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Code Issues Releases Wiki Activity

Release 6.1.4

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This commit is contained in:
Yuxin Zhou 2021-02-02 00:52:44 +00:00
parent 6381fa5859
commit 09b3b1509f
66 changed files with 92705 additions and 79611 deletions
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35
common/CMakeLists.txt
View File

@ -162,11 +162,18 @@ target_sources(${PROJECT_NAME}
${CMAKE_CURRENT_LIST_DIR}/src/gx_display_driver_24xrgb_pixelmap_blend.c
${CMAKE_CURRENT_LIST_DIR}/src/gx_display_driver_24xrgb_png_draw.c
${CMAKE_CURRENT_LIST_DIR}/src/gx_display_driver_24xrgb_setup.c
${CMAKE_CURRENT_LIST_DIR}/src/gx_display_driver_24xrgb_rotated_canvas_blend.c
${CMAKE_CURRENT_LIST_DIR}/src/gx_display_driver_24xrgb_rotated_jpeg_draw.c
${CMAKE_CURRENT_LIST_DIR}/src/gx_display_driver_24xrgb_rotated_pixel_blend.c
${CMAKE_CURRENT_LIST_DIR}/src/gx_display_driver_24xrgb_rotated_png_draw.c
${CMAKE_CURRENT_LIST_DIR}/src/gx_display_driver_24xrgb_rotated_setup.c
${CMAKE_CURRENT_LIST_DIR}/src/gx_display_driver_32argb_native_color_get.c
${CMAKE_CURRENT_LIST_DIR}/src/gx_display_driver_32argb_pixel_blend.c
${CMAKE_CURRENT_LIST_DIR}/src/gx_display_driver_32argb_pixelmap_blend.c
${CMAKE_CURRENT_LIST_DIR}/src/gx_display_driver_32argb_pixelmap_draw.c
${CMAKE_CURRENT_LIST_DIR}/src/gx_display_driver_32argb_setup.c
${CMAKE_CURRENT_LIST_DIR}/src/gx_display_driver_32argb_rotated_pixel_blend.c
${CMAKE_CURRENT_LIST_DIR}/src/gx_display_driver_32argb_rotated_setup.c
${CMAKE_CURRENT_LIST_DIR}/src/gx_display_driver_32bpp_block_move.c
${CMAKE_CURRENT_LIST_DIR}/src/gx_display_driver_32bpp_canvas_copy.c
${CMAKE_CURRENT_LIST_DIR}/src/gx_display_driver_32bpp_glyph_1bit_draw.c
@ -180,6 +187,19 @@ target_sources(${PROJECT_NAME}
${CMAKE_CURRENT_LIST_DIR}/src/gx_display_driver_32bpp_simple_line_draw.c
${CMAKE_CURRENT_LIST_DIR}/src/gx_display_driver_32bpp_vertical_line_draw.c
${CMAKE_CURRENT_LIST_DIR}/src/gx_display_driver_32bpp_vertical_pattern_line_draw.c
${CMAKE_CURRENT_LIST_DIR}/src/gx_display_driver_32bpp_rotated_block_move.c
${CMAKE_CURRENT_LIST_DIR}/src/gx_display_driver_32bpp_rotated_canvas_copy.c
${CMAKE_CURRENT_LIST_DIR}/src/gx_display_driver_32bpp_rotated_glyph_1bit_draw.c
${CMAKE_CURRENT_LIST_DIR}/src/gx_display_driver_32bpp_rotated_horizontal_line_draw.c
${CMAKE_CURRENT_LIST_DIR}/src/gx_display_driver_32bpp_rotated_horizontal_pattern_line_draw.c
${CMAKE_CURRENT_LIST_DIR}/src/gx_display_driver_32bpp_rotated_horizontal_pixelmap_line_draw.c
${CMAKE_CURRENT_LIST_DIR}/src/gx_display_driver_32bpp_rotated_pixel_write.c
${CMAKE_CURRENT_LIST_DIR}/src/gx_display_driver_32bpp_rotated_pixelmap_blend.c
${CMAKE_CURRENT_LIST_DIR}/src/gx_display_driver_32bpp_rotated_pixelmap_draw.c
${CMAKE_CURRENT_LIST_DIR}/src/gx_display_driver_32bpp_rotated_pixelmap_rotate.c
${CMAKE_CURRENT_LIST_DIR}/src/gx_display_driver_32bpp_rotated_simple_line_draw.c
${CMAKE_CURRENT_LIST_DIR}/src/gx_display_driver_32bpp_rotated_vertical_line_draw.c
${CMAKE_CURRENT_LIST_DIR}/src/gx_display_driver_32bpp_rotated_vertical_pattern_line_draw.c
${CMAKE_CURRENT_LIST_DIR}/src/gx_display_driver_332rgb_native_color_get.c
${CMAKE_CURRENT_LIST_DIR}/src/gx_display_driver_332rgb_pixel_blend.c
${CMAKE_CURRENT_LIST_DIR}/src/gx_display_driver_332rgb_pixelmap_draw.c
@ -226,6 +246,7 @@ target_sources(${PROJECT_NAME}
${CMAKE_CURRENT_LIST_DIR}/src/gx_display_driver_565rgb_rotated_png_draw.c
${CMAKE_CURRENT_LIST_DIR}/src/gx_display_driver_565rgb_rotated_setup.c
${CMAKE_CURRENT_LIST_DIR}/src/gx_display_driver_8bit_palette_native_color_get.c
${CMAKE_CURRENT_LIST_DIR}/src/gx_display_driver_8bit_palette_rotated_setup.c
${CMAKE_CURRENT_LIST_DIR}/src/gx_display_driver_8bit_palette_setup.c
${CMAKE_CURRENT_LIST_DIR}/src/gx_display_driver_8bpp_block_move.c
${CMAKE_CURRENT_LIST_DIR}/src/gx_display_driver_8bpp_canvas_copy.c
@ -245,6 +266,20 @@ target_sources(${PROJECT_NAME}
${CMAKE_CURRENT_LIST_DIR}/src/gx_display_driver_8bpp_simple_line_draw.c
${CMAKE_CURRENT_LIST_DIR}/src/gx_display_driver_8bpp_vertical_line_draw.c
${CMAKE_CURRENT_LIST_DIR}/src/gx_display_driver_8bpp_vertical_pattern_line_draw.c
${CMAKE_CURRENT_LIST_DIR}/src/gx_display_driver_8bpp_rotated_block_move.c
${CMAKE_CURRENT_LIST_DIR}/src/gx_display_driver_8bpp_rotated_canvas_copy.c
${CMAKE_CURRENT_LIST_DIR}/src/gx_display_driver_8bpp_rotated_glyph_1bit_draw.c
${CMAKE_CURRENT_LIST_DIR}/src/gx_display_driver_8bpp_rotated_glyph_3bit_draw.c
${CMAKE_CURRENT_LIST_DIR}/src/gx_display_driver_8bpp_rotated_glyph_4bit_draw.c
${CMAKE_CURRENT_LIST_DIR}/src/gx_display_driver_8bpp_rotated_horizontal_line_draw.c
${CMAKE_CURRENT_LIST_DIR}/src/gx_display_driver_8bpp_rotated_horizontal_pattern_line_draw.c
${CMAKE_CURRENT_LIST_DIR}/src/gx_display_driver_8bpp_rotated_horizontal_pixelmap_line_draw.c
${CMAKE_CURRENT_LIST_DIR}/src/gx_display_driver_8bpp_rotated_pixel_write.c
${CMAKE_CURRENT_LIST_DIR}/src/gx_display_driver_8bpp_rotated_pixelmap_draw.c
${CMAKE_CURRENT_LIST_DIR}/src/gx_display_driver_8bpp_rotated_pixelmap_rotate.c
${CMAKE_CURRENT_LIST_DIR}/src/gx_display_driver_8bpp_rotated_simple_line_draw.c
${CMAKE_CURRENT_LIST_DIR}/src/gx_display_driver_8bpp_rotated_vertical_line_draw.c
${CMAKE_CURRENT_LIST_DIR}/src/gx_display_driver_8bpp_rotated_vertical_pattern_line_draw.c
${CMAKE_CURRENT_LIST_DIR}/src/gx_display_driver_arc_clipping_get.c
${CMAKE_CURRENT_LIST_DIR}/src/gx_display_driver_generic_aliased_arc_draw.c
${CMAKE_CURRENT_LIST_DIR}/src/gx_display_driver_generic_aliased_circle_draw.c

17
common/inc/gx_api.h
View File

@ -24,7 +24,7 @@
/* APPLICATION INTERFACE DEFINITION RELEASE */
/* */
/* gx_api.h PORTABLE C */
/* 6.1.3 */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
@ -53,6 +53,13 @@
/* declare new APIs, */
/* defined new status, */
/* resulting in version 6.1.3 */
/* 02-02-2021 Kenneth Maxwell Modified comment(s), */
/* change scroll_wheel style */
/* flag to status flag, */
/* renamed */
/* GX_STATUS_TRACKING_START to */
/* GX_STATUS_TRACKING_PEN, */
/* resulting in version 6.1.4 */
/* */
/**************************************************************************/
@ -76,7 +83,7 @@ extern "C" {
#define AZURE_RTOS_GUIX
#define GUIX_MAJOR_VERSION 6
#define GUIX_MINOR_VERSION 1
#define GUIX_PATCH_VERSION 3
#define GUIX_PATCH_VERSION 4
/* The following symbols are defined for backward compatibility reasons.*/
#define __PRODUCT_GUIX__
@ -690,7 +697,7 @@ typedef struct GX_STRING_STRUCT
/* Define radial slider status flags */
#define GX_STATUS_ANIMATION_NONE 0x00010000UL
#define GX_STATUS_TRACKING_START 0x00020000UL
#define GX_STATUS_TRACKING_PEN 0x00020000UL
#define GX_STATUS_MODAL 0x00100000UL
@ -813,10 +820,6 @@ typedef struct GX_STRING_STRUCT
#define GX_SCROLLBAR_VERTICAL 0x01000000UL
#define GX_SCROLLBAR_HORIZONTAL 0x02000000UL
/* Define Animation Styles. */
/* Define generic scroll wheel styles*/
#define GX_STYLE_SCROLL_WHEEL_DRAG 0x00000200UL
/* Define text scroll wheel styles*/
#define GX_STYLE_TEXT_SCROLL_WHEEL_ROUND 0x00000100UL

119
common/inc/gx_display.h
View File

@ -26,7 +26,7 @@
/* COMPONENT DEFINITION RELEASE */
/* */
/* gx_display.h PORTABLE C */
/* 6.1.3 */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
@ -48,6 +48,10 @@
/* added rotated display */
/* driver declarations, */
/* resulting in version 6.1.3 */
/* 02-02-2021 Kenneth Maxwell Modified comment(s), */
/* added 8bpp/32bpp rotated */
/* display driver declarations,*/
/* resulting in version 6.1.4 */
/* */
/**************************************************************************/
@ -208,6 +212,21 @@ VOID _gx_display_driver_8bpp_glyph_1bit_draw(GX_DRAW_CONTEXT *context, GX_RE
VOID _gx_display_driver_8bpp_glyph_3bit_draw(GX_DRAW_CONTEXT *context, GX_RECTANGLE *draw_area, GX_POINT *map_offset, GX_CONST GX_GLYPH *glyph);
VOID _gx_display_driver_8bpp_glyph_4bit_draw(GX_DRAW_CONTEXT *context, GX_RECTANGLE *draw_area, GX_POINT *map_offset, GX_CONST GX_GLYPH *glyph);
VOID _gx_display_driver_8bpp_rotated_block_move(GX_DRAW_CONTEXT *context, GX_RECTANGLE *src, INT xshift, INT yshift);
VOID _gx_display_driver_8bpp_rotated_canvas_copy(GX_CANVAS *source, GX_CANVAS *dest);
VOID _gx_display_driver_8bpp_rotated_glyph_1bit_draw(GX_DRAW_CONTEXT *context, GX_RECTANGLE *draw_area, GX_POINT *map_offset, GX_CONST GX_GLYPH *glyph);
VOID _gx_display_driver_8bpp_rotated_glyph_3bit_draw(GX_DRAW_CONTEXT *context, GX_RECTANGLE *draw_area, GX_POINT *map_offset, GX_CONST GX_GLYPH *glyph);
VOID _gx_display_driver_8bpp_rotated_glyph_4bit_draw(GX_DRAW_CONTEXT *context, GX_RECTANGLE *draw_area, GX_POINT *map_offset, GX_CONST GX_GLYPH *glyph);
VOID _gx_display_driver_8bpp_rotated_horizontal_line_draw(GX_DRAW_CONTEXT *context, INT xstart, INT xend, INT ypos, INT width, GX_COLOR color);
VOID _gx_display_driver_8bpp_rotated_horizontal_pattern_line_draw(GX_DRAW_CONTEXT *context, INT xstart, INT xend, INT ypos);
VOID _gx_display_driver_8bpp_rotated_horizontal_pixelmap_line_draw(GX_DRAW_CONTEXT *context, INT xstart, INT xend, INT ypos, GX_FILL_PIXELMAP_INFO *info);
VOID _gx_display_driver_8bpp_rotated_pixel_write(GX_DRAW_CONTEXT *context, INT xcoord, INT ycoord, GX_COLOR color);
VOID _gx_display_driver_8bpp_rotated_pixelmap_draw(GX_DRAW_CONTEXT *context, INT xstart, INT ystart, GX_PIXELMAP *pmp);
VOID _gx_display_driver_8bpp_rotated_pixelmap_rotate(GX_DRAW_CONTEXT *context, INT xpos, INT ypos, GX_PIXELMAP *pixelmap, INT angle, INT cx, INT cy);
VOID _gx_display_driver_8bpp_rotated_simple_line_draw(GX_DRAW_CONTEXT *context, INT xstart, INT ystart, INT xend, INT yend);
VOID _gx_display_driver_8bpp_rotated_vertical_line_draw(GX_DRAW_CONTEXT *context, INT ystart, INT yend, INT xpos, INT width, GX_COLOR color);
VOID _gx_display_driver_8bpp_rotated_vertical_pattern_line_draw(GX_DRAW_CONTEXT *context, INT ystart, INT yend, INT xpos);
VOID _gx_display_driver_565rgb_canvas_blend(GX_CANVAS *source, GX_CANVAS *dest);
VOID _gx_display_driver_16bpp_canvas_copy(GX_CANVAS *source, GX_CANVAS *dest);
VOID _gx_display_driver_16bpp_horizontal_line_draw(GX_DRAW_CONTEXT *context, INT xstart, INT xend, INT ypos, INT width, GX_COLOR color);
@ -263,9 +282,16 @@ VOID _gx_display_driver_24xrgb_pixel_blend(GX_DRAW_CONTEXT *context, INT xco
VOID _gx_display_driver_24xrgb_pixelmap_blend(GX_DRAW_CONTEXT *context, INT xstart, INT ystart, GX_PIXELMAP *pmp, GX_UBYTE alpha);
VOID _gx_display_driver_24xrgb_pixelmap_draw(GX_DRAW_CONTEXT *context, INT xstart, INT ystart, GX_PIXELMAP *pmp);
VOID _gx_display_driver_24xrgb_rotated_canvas_blend(GX_CANVAS *source, GX_CANVAS *dest);
VOID _gx_display_driver_24xrgb_rotated_pixel_blend(GX_DRAW_CONTEXT *context, INT xcoord, INT ycoord, GX_COLOR fcolor, GX_UBYTE alpha);
#if defined(GX_SOFTWARE_DECODER_SUPPORT)
UINT _gx_display_driver_24xrgb_YCbCr2RGB(INT y, INT cb, INT cr);
VOID _gx_display_driver_24xrgb_jpeg_draw(GX_DRAW_CONTEXT *context, INT xpos, INT ypos, GX_PIXELMAP *pixelmap);
VOID _gx_display_driver_24xrgb_png_draw(GX_DRAW_CONTEXT *context, INT xpos, INT ypos, GX_PIXELMAP *pixelmap);
VOID _gx_display_driver_24xrgb_rotated_jpeg_draw(GX_DRAW_CONTEXT *context, INT xpos, INT ypos, GX_PIXELMAP *pixelmap);
VOID _gx_display_driver_24xrgb_rotated_png_draw(GX_DRAW_CONTEXT *context, INT xpos, INT ypos, GX_PIXELMAP *pixelmap);
#endif
GX_COLOR _gx_display_driver_24xrgb_native_color_get(GX_DISPLAY *, GX_COLOR rawcolor);
@ -279,13 +305,30 @@ VOID _gx_display_driver_32bpp_vertical_pattern_line_draw(GX_DRAW_CONTEXT *co
VOID _gx_display_driver_32bpp_block_move(GX_DRAW_CONTEXT *context, GX_RECTANGLE *src, INT xshift, INT yshift);
USHORT _gx_display_driver_32bpp_row_pitch_get(USHORT width);
VOID _gx_display_driver_32bpp_simple_line_draw(GX_DRAW_CONTEXT *context, INT xstart, INT ystart, INT xend, INT yend);
VOID _gx_display_driver_32bpp_pixelmap_rotate(GX_DRAW_CONTEXT *context, INT xpos, INT ypos, GX_PIXELMAP *pixelmap,
INT angle, INT rot_cx, INT rot_cy);
VOID _gx_display_driver_32bpp_rotated_canvas_copy(GX_CANVAS *source, GX_CANVAS *dest);
VOID _gx_display_driver_32bpp_rotated_glyph_1bit_draw(GX_DRAW_CONTEXT *context, GX_RECTANGLE *draw_area, GX_POINT *map_offset, GX_CONST GX_GLYPH *glyph);
VOID _gx_display_driver_32bpp_rotated_horizontal_line_draw(GX_DRAW_CONTEXT *context, INT xstart, INT xend, INT ypos, INT width, GX_COLOR color);
VOID _gx_display_driver_32bpp_rotated_horizontal_pattern_line_draw(GX_DRAW_CONTEXT *context, INT xstart, INT xend, INT ypos);
VOID _gx_display_driver_32bpp_rotated_horizontal_pixelmap_line_draw(GX_DRAW_CONTEXT *context, INT xstart, INT xend, INT ypos, GX_FILL_PIXELMAP_INFO *info);
VOID _gx_display_driver_32bpp_rotated_pixel_write(GX_DRAW_CONTEXT *context, INT xcoord, INT ycoord, GX_COLOR color);
VOID _gx_display_driver_32bpp_rotated_pixelmap_blend(GX_DRAW_CONTEXT *context, INT xstart, INT ystart, GX_PIXELMAP *pmp, GX_UBYTE alpha);
VOID _gx_display_driver_32bpp_rotated_pixelmap_draw(GX_DRAW_CONTEXT *context, INT xstart, INT ystart, GX_PIXELMAP *pmp);
VOID _gx_display_driver_32bpp_rotated_pixelmap_rotate(GX_DRAW_CONTEXT *context, INT xpos, INT ypos, GX_PIXELMAP *pixelmap, INT angle, INT rot_cx, INT rot_cy);
VOID _gx_display_driver_32bpp_rotated_vertical_line_draw(GX_DRAW_CONTEXT *context, INT ystart, INT yend, INT xpos, INT width, GX_COLOR color);
VOID _gx_display_driver_32bpp_rotated_vertical_pattern_line_draw(GX_DRAW_CONTEXT *context, INT ystart, INT yend, INT xpos);
VOID _gx_display_driver_32bpp_rotated_block_move(GX_DRAW_CONTEXT *context, GX_RECTANGLE *src, INT xshift, INT yshift);
VOID _gx_display_driver_32bpp_rotated_simple_line_draw(GX_DRAW_CONTEXT *context, INT xstart, INT ystart, INT xend, INT yend);
VOID _gx_display_driver_32argb_pixel_blend(GX_DRAW_CONTEXT *context, INT xcoord, INT ycoord, GX_COLOR fcolor, GX_UBYTE alpha);
VOID _gx_display_driver_32argb_pixelmap_blend(GX_DRAW_CONTEXT *context, INT xstart, INT ystart, GX_PIXELMAP *pmp, GX_UBYTE alpha);
VOID _gx_display_driver_32argb_pixelmap_draw(GX_DRAW_CONTEXT *context, INT xstart, INT ystart, GX_PIXELMAP *pmp);
GX_COLOR _gx_display_driver_32argb_native_color_get(GX_DISPLAY *, GX_COLOR rawcolor);
VOID _gx_display_driver_32bpp_pixelmap_rotate(GX_DRAW_CONTEXT *context, INT xpos, INT ypos, GX_PIXELMAP *pixelmap,
INT angle, INT rot_cx, INT rot_cy);
VOID _gx_display_driver_32argb_rotated_pixel_blend(GX_DRAW_CONTEXT *context, INT xcoord, INT ycoord, GX_COLOR fcolor, GX_UBYTE alpha);
VOID _gx_display_driver_4444argb_canvas_blend(GX_CANVAS *canvas, GX_CANVAS *composite);
VOID _gx_display_driver_4444argb_pixel_blend(GX_DRAW_CONTEXT *context, INT x, INT y, GX_COLOR fcolor, GX_UBYTE alpha);
VOID _gx_display_driver_4444argb_horizontal_pixelmap_line_draw(GX_DRAW_CONTEXT *context, INT xstart, INT xend, INT ypos, GX_FILL_PIXELMAP_INFO *info);
@ -361,9 +404,18 @@ VOID _gx_display_driver_32argb_setup(GX_DISPLAY *display, VOID *aux_data,
VOID (*toggle_function)(struct GX_CANVAS_STRUCT *canvas,
GX_RECTANGLE *dirty_area));
VOID _gx_display_driver_32argb_rotated_setup(GX_DISPLAY *display, VOID *aux_data,
VOID (*toggle_function)(struct GX_CANVAS_STRUCT *canvas,
GX_RECTANGLE *dirty_area));
VOID _gx_display_driver_24xrgb_setup(GX_DISPLAY *display, VOID *aux_data,
VOID (*toggle_function)(struct GX_CANVAS_STRUCT *canvas,
GX_RECTANGLE *dirty_area));
VOID _gx_display_driver_24xrgb_rotated_setup(GX_DISPLAY *display, VOID *aux_data,
VOID (*toggle_function)(struct GX_CANVAS_STRUCT *canvas,
GX_RECTANGLE *dirty_area));
VOID _gx_display_driver_4444argb_setup(GX_DISPLAY *display, VOID *aux_data,
VOID (*toggle_function)(struct GX_CANVAS_STRUCT *canvas,
GX_RECTANGLE *dirty_area));
@ -380,6 +432,10 @@ VOID _gx_display_driver_8bit_palette_setup(GX_DISPLAY *display, VOID *aux_data,
VOID (*toggle_function)(struct GX_CANVAS_STRUCT *canvas,
GX_RECTANGLE *dirty_area));
VOID _gx_display_driver_8bit_palette_rotated_setup(GX_DISPLAY *display, VOID *aux_data,
VOID (*toggle_function)(struct GX_CANVAS_STRUCT *canvas,
GX_RECTANGLE *dirty_area));
VOID _gx_display_driver_332rgb_setup(GX_DISPLAY *display, VOID *aux_data,
VOID (*toggle_function)(struct GX_CANVAS_STRUCT *canvas,
GX_RECTANGLE *dirty_area));
@ -398,10 +454,9 @@ VOID _gx_display_driver_1555xrgb_canvas_blend(GX_CANVAS *canvas, GX_CANVAS *comp
VOID *_win32_canvas_memory_prepare(GX_CANVAS *canvas, GX_RECTANGLE *dirty);
#endif
#define REDVAL_16BPP(_c) (GX_UBYTE)(((_c) >> 11) & 0x1f)
#define GREENVAL_16BPP(_c) (GX_UBYTE)(((_c) >> 5) & 0x3f)
#define BLUEVAL_16BPP(_c) (GX_UBYTE)(((_c)) & 0x1f)
#define REDVAL_16BPP(_c) (GX_UBYTE)(((_c) >> 11) & 0x1f)
#define GREENVAL_16BPP(_c) (GX_UBYTE)(((_c) >> 5) & 0x3f)
#define BLUEVAL_16BPP(_c) (GX_UBYTE)(((_c)) & 0x1f)
/* Define macros for assembling a 16-bit r:g:b value from 3 components. */
@ -411,9 +466,9 @@ VOID *_win32_canvas_memory_prepare(GX_CANVAS *canvas, GX_RECTANGLE *dirty);
(((_b) & 0x1f)))
#define REDVAL_24BPP(_c) (GX_UBYTE)((_c) >> 16)
#define GREENVAL_24BPP(_c) (GX_UBYTE)((_c) >> 8)
#define BLUEVAL_24BPP(_c) (GX_UBYTE)(_c)
#define REDVAL_24BPP(_c) (GX_UBYTE)((_c) >> 16)
#define GREENVAL_24BPP(_c) (GX_UBYTE)((_c) >> 8)
#define BLUEVAL_24BPP(_c) (GX_UBYTE)(_c)
/* Define macros for assembling a 24-bit r:g:b value from 3 components. */
#define ASSEMBLECOLOR_24BPP(_r, _g, _b) \
@ -422,10 +477,10 @@ VOID *_win32_canvas_memory_prepare(GX_CANVAS *canvas, GX_RECTANGLE *dirty);
(_b))
#define REDVAL_32BPP(_c) (GX_UBYTE)((_c) >> 16)
#define GREENVAL_32BPP(_c) (GX_UBYTE)((_c) >> 8)
#define BLUEVAL_32BPP(_c) (GX_UBYTE)(_c)
#define ALPHAVAL_32BPP(_c) (GX_UBYTE)((_c) >> 24)
#define REDVAL_32BPP(_c) (GX_UBYTE)((_c) >> 16)
#define GREENVAL_32BPP(_c) (GX_UBYTE)((_c) >> 8)
#define BLUEVAL_32BPP(_c) (GX_UBYTE)(_c)
/* Define macros for assembling a 32-bit r:g:b value from 3 components. */
@ -433,16 +488,30 @@ VOID *_win32_canvas_memory_prepare(GX_CANVAS *canvas, GX_RECTANGLE *dirty);
(((_r) << 16) | \
((_g) << 8) | \
(_b))
#define ASSEMBLECOLOR_32ARGB(_a, _r, _g, _b) \
(((_a) << 24) | \
((_r) << 16) | \
((_g) << 8) | \
(_b))
#define GX_SET_BLEND_FUNCTION(blend_func, color_format) \
switch (color_format) \
{ \
case GX_COLOR_FORMAT_565RGB: \
blend_func = _gx_display_driver_565rgb_pixel_blend; \
break; \
case GX_COLOR_FORMAT_24XRGB: \
blend_func = _gx_display_driver_24xrgb_pixel_blend; \
break; \
case GX_COLOR_FORMAT_32ARGB: \
blend_func = _gx_display_driver_32argb_pixel_blend; \
break; \
default: \
/* Not supported. */ \
return; \
}
#endif
#define GX_SET_BLEND_FUNCTION(blend_func, color_format) \
switch (color_format) \
{ \
case GX_COLOR_FORMAT_565RGB: \
blend_func = _gx_display_driver_565rgb_pixel_blend; \
break; \
default: \
/* Not supported. */ \
return; \
}

7
common/src/gx_display_driver_24xrgb_jpeg_draw.c
View File

@ -35,7 +35,7 @@
/* FUNCTION RELEASE */
/* */
/* _gx_display_driver_24xrgb_YCbCr2RGB PORTABLE C */
/* 6.1 */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
@ -69,10 +69,13 @@
/* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */
/* 09-30-2020 Kenneth Maxwell Modified comment(s), */
/* resulting in version 6.1 */
/* 02-02-2021 Kenneth Maxwell Modified comment(s), */
/* made function public, */
/* resulting in version 6.1.4 */
/* */
/**************************************************************************/
#if defined(GX_SOFTWARE_DECODER_SUPPORT)
static UINT _gx_display_driver_24xrgb_YCbCr2RGB(INT y, INT cb, INT cr)
UINT _gx_display_driver_24xrgb_YCbCr2RGB(INT y, INT cb, INT cr)
{
INT red;
INT green;

167
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/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** GUIX Component */
/** */
/** Display Management (Display) */
/** */
/**************************************************************************/
#define GX_SOURCE_CODE
/* Include necessary system files. */
#include "gx_api.h"
#include "gx_display.h"
#include "gx_utility.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _gx_display_driver_24xrgb_rotated_canvas_blend PORTABLE C */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* Rotated canvas blend function for 24xrgb color format. */
/* */
/* INPUT */
/* */
/* canvas The canvas to blend to */
/* composite The canvas to blend from */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* _gx_utility_rectangle_shift Adjust the rectangle */
/* _gx_utility_recttangle_overlap_detect Detect whether two areas */
/* overlap */
/* REDVAL_24BPP Extrace Red from canvas */
/* GREENVAL_24BPP Extrace Green from canvas */
/* BLUEVAL_24BPP Extrace Blue from canvas */
/* ASSEMBLECOLOR_24BPP Compose the RGB color */
/* */
/* CALLED BY */
/* */
/* GUIX Internal Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */
/* */
/**************************************************************************/
VOID _gx_display_driver_24xrgb_rotated_canvas_blend(GX_CANVAS *canvas, GX_CANVAS *composite)
{
GX_RECTANGLE dirty;
GX_RECTANGLE overlap;
ULONG *read;
ULONG *read_start;
ULONG *write;
ULONG *write_start;
ULONG fcolor;
GX_UBYTE fred, fgreen, fblue;
GX_UBYTE bred, bgreen, bblue;
GX_UBYTE alpha, balpha;
ULONG bcolor;
INT row;
INT col;
dirty.gx_rectangle_left = dirty.gx_rectangle_top = 0;
dirty.gx_rectangle_right = (GX_VALUE)(canvas -> gx_canvas_x_resolution - 1);
dirty.gx_rectangle_bottom = (GX_VALUE)(canvas -> gx_canvas_y_resolution - 1);
_gx_utility_rectangle_shift(&dirty, canvas -> gx_canvas_display_offset_x, canvas -> gx_canvas_display_offset_y);
if (_gx_utility_rectangle_overlap_detect(&dirty, &composite -> gx_canvas_dirty_area, &overlap))
{
alpha = canvas -> gx_canvas_alpha;
balpha = (GX_UBYTE)(256 - alpha);
read_start = (ULONG *)canvas -> gx_canvas_memory;
write_start = (ULONG *)composite -> gx_canvas_memory;
if (canvas -> gx_canvas_display -> gx_display_rotation_angle == GX_SCREEN_ROTATION_CW)
{
/* Index into starting row. */
read_start += (dirty.gx_rectangle_right - overlap.gx_rectangle_right) * canvas -> gx_canvas_y_resolution;
/* Index into pixel. */
read_start += overlap.gx_rectangle_top - dirty.gx_rectangle_top;
/* Calculate the write pointer. */
write_start += (composite -> gx_canvas_x_resolution - overlap.gx_rectangle_right - 1) * composite -> gx_canvas_y_resolution;
write_start += overlap.gx_rectangle_top;
}
else
{
/* Index into starting row. */
read_start += (overlap.gx_rectangle_left - dirty.gx_rectangle_left) * canvas -> gx_canvas_y_resolution;
/* Index into pixel. */
read_start += dirty.gx_rectangle_bottom - overlap.gx_rectangle_bottom;
/* Calculate the write pointer. */
write_start += overlap.gx_rectangle_left * composite -> gx_canvas_y_resolution;
write_start += (composite -> gx_canvas_y_resolution - overlap.gx_rectangle_bottom - 1);
}
for (row = overlap.gx_rectangle_left; row <= overlap.gx_rectangle_right; row++)
{
read = read_start;
write = write_start;
for (col = overlap.gx_rectangle_top; col <= overlap.gx_rectangle_bottom; col++)
{
/* Read the foreground color. */
fcolor = *read++;
/* Split foreground into red, green, and blue components. */
fred = REDVAL_24BPP(fcolor);
fgreen = GREENVAL_24BPP(fcolor);
fblue = BLUEVAL_24BPP(fcolor);
/* Read background color. */
bcolor = *write;
/* Split background color into red, green, and blue components. */
bred = REDVAL_24BPP(bcolor);
bgreen = GREENVAL_24BPP(bcolor);
bblue = BLUEVAL_24BPP(bcolor);
/* Blend foreground and background, each color channel. */
fred = (GX_UBYTE)(((bred * balpha) + (fred * alpha)) >> 8);
fgreen = (GX_UBYTE)(((bgreen * balpha) + (fgreen * alpha)) >> 8);
fblue = (GX_UBYTE)(((bblue * balpha) + (fblue * alpha)) >> 8);
/* Re-assemble into 16-bit color and write it out. */
*write++ = ASSEMBLECOLOR_32ARGB((ULONG)0xff, (ULONG)fred, (ULONG)fgreen, (ULONG)fblue);
}
write_start += composite -> gx_canvas_y_resolution;
read_start += canvas -> gx_canvas_y_resolution;
}
}
}

191
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/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** GUIX Component */
/** */
/** Display Management (Display) */
/** */
/**************************************************************************/
#define GX_SOURCE_CODE
/* Include necessary system files. */
#include "gx_api.h"
#include "gx_context.h"
#include "gx_system.h"
#include "gx_image_reader.h"
#include "gx_display.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _gx_display_driver_24xrgb_rotated_mcu_draw PORTABLE C */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* Internal helper function to draw one MCU of decoded JPEG data to */
/* rotated canvas. */
/* */
/* INPUT */
/* */
/* context GUIX draw context */
/* xpos X position to draw */
/* ypos y position to draw */
/* jpeg_info JPEG control block */
/* */
/* OUTPUT */
/* */
/* Status Code */
/* */
/* CALLS */
/* */
/* _gx_display_driver_24xrgb_YCbCr2RGB */
/* */
/* CALLED BY */
/* */
/* _gx_display_driver_24xrgb_rotated_jpeg_decode */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */
/* */
/**************************************************************************/
#if defined(GX_SOFTWARE_DECODER_SUPPORT)
static UINT _gx_display_driver_24xrgb_rotated_mcu_draw(GX_JPEG_INFO *jpeg_info, INT xpos, INT ypos)
{
GX_COLOR *put;
INT x;
INT y;
INT w;
INT h;
INT coff;
INT Y;
INT Cb;
INT Cr;
GX_DRAW_CONTEXT *context = jpeg_info -> gx_jpeg_draw_context;
GX_RECTANGLE *clip = context -> gx_draw_context_clip;
INT rotated_xpos;
INT rotated_ypos;
INT sign;
h = (jpeg_info -> gx_jpeg_sample_factor[0] >> 4);
w = (jpeg_info -> gx_jpeg_sample_factor[0] & 0x0f);
if (context -> gx_draw_context_display -> gx_display_rotation_angle == GX_SCREEN_ROTATION_CW)
{
rotated_xpos = ypos;
rotated_ypos = context -> gx_draw_context_canvas -> gx_canvas_x_resolution - xpos - 1;
sign = 1;
}
else
{
rotated_xpos = context -> gx_draw_context_canvas -> gx_canvas_y_resolution - ypos - 1;
rotated_ypos = xpos;
sign = -1;
}
put = context -> gx_draw_context_memory;
put += rotated_ypos * context -> gx_draw_context_pitch;
put += rotated_xpos;
for (x = 0; x < 8 * w; x++)
{
for (y = 0; y < 8 * h; y++)
{
if ((xpos + x >= clip -> gx_rectangle_left) && (xpos + x <= clip -> gx_rectangle_right) &&
(ypos + y >= clip -> gx_rectangle_top) && (ypos + y <= clip -> gx_rectangle_bottom))
{
coff = x / w + ((y / h) << 3);
Y = jpeg_info -> gx_jpeg_Y_block[x + y * w * 8];
Cb = jpeg_info -> gx_jpeg_Cb_block[coff];
Cr = jpeg_info -> gx_jpeg_Cr_block[coff];
*(put + y * sign) = (_gx_display_driver_24xrgb_YCbCr2RGB(Y, Cb, Cr) | 0xff000000);
}
}
put -= context -> gx_draw_context_pitch * sign;
}
return GX_SUCCESS;
}
#endif
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _gx_dislay_driver_24xrgb_rotated_jpeg_draw PORTABLE C */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* 24xrgb rotated screen driver JPEG image draw routine. */
/* */
/* INPUT */
/* */
/* context Drawing context */
/* xpos x-coord of top-left draw point*/
/* ypos y-coord of top-left draw point*/
/* pixelmap Pointer to GX_PIXELMAP struct */
/* */
/* OUTPUT */
/* */
/* status Completion status */
/* */
/* CALLS */
/* */
/* _gx_image_reader_jpeg_mcu_decode */
/* [_gx_display_driver_24xrgb_rotated_mcu_draw] */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* GUIX Internal Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */
/* */
/**************************************************************************/
#if defined(GX_SOFTWARE_DECODER_SUPPORT)
VOID _gx_display_driver_24xrgb_rotated_jpeg_draw(GX_DRAW_CONTEXT *context, INT xpos, INT ypos, GX_PIXELMAP *pixelmap)
{
_gx_image_reader_jpeg_mcu_decode(pixelmap -> gx_pixelmap_data,
pixelmap -> gx_pixelmap_data_size,
context, xpos, ypos,
_gx_display_driver_24xrgb_rotated_mcu_draw);
}
#endif

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/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** GUIX Component */
/** */
/** Display Management (Display) */
/** */
/**************************************************************************/
#define GX_SOURCE_CODE
/* Include necessary system files. */
#include "gx_api.h"
#include "gx_display.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _gx_display_driver_24xrgb_rotated_pixel_blend PORTABLE C */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* Rotated pixel blend function for 24xrgb color format. */
/* */
/* INPUT */
/* */
/* context Drawing context */
/* x X coordinate */
/* y Y coordinate */
/* color Color of line to write */
/* alpha Alpha value */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* REDVAL_24BPP Extract the red component */
/* GREENVAL_24BPP Extract the green component */
/* BLUEVAL_24BPP Extract the blue component */
/* ASSEMBLECOLOR_24BPP Assemble color components */
/* */
/* CALLED BY */
/* */
/* GUIX Internal Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */
/* */
/**************************************************************************/
VOID _gx_display_driver_24xrgb_rotated_pixel_blend(GX_DRAW_CONTEXT *context, INT x, INT y, GX_COLOR fcolor, GX_UBYTE alpha)
{
GX_UBYTE fred, fgreen, fblue;
GX_UBYTE bred, bgreen, bblue;
GX_UBYTE balpha;
ULONG bcolor;
ULONG *put;
/* Is the pixel non-transparent? */
if (alpha > 0)
{
/* Calculate address of pixel. */
put = (ULONG *)context -> gx_draw_context_memory;
if (context -> gx_draw_context_display -> gx_display_rotation_angle == GX_SCREEN_ROTATION_CW)
{
put += context -> gx_draw_context_pitch * (context -> gx_draw_context_canvas -> gx_canvas_x_resolution - x - 1);
put += y;
}
else
{
put += context -> gx_draw_context_pitch * x;
put += (context -> gx_draw_context_canvas -> gx_canvas_y_resolution - y - 1);
}
/* No need to blend if alpha value is 255. */
if (alpha == 255)
{
*put = (ULONG)(fcolor | 0xff000000);
return;
}
/* Split foreground into red, green, and blue components. */
fred = REDVAL_24BPP(fcolor);
fgreen = GREENVAL_24BPP(fcolor);
fblue = BLUEVAL_24BPP(fcolor);
/* Read background color. */
bcolor = *put;
/* Split background color into red, green, and blue components. */
bred = REDVAL_24BPP(bcolor);
bgreen = GREENVAL_24BPP(bcolor);
bblue = BLUEVAL_24BPP(bcolor);
/* Background alpha is inverse of foreground alpha. */
balpha = (GX_UBYTE)(256 - alpha);
/* Blend foreground and background, each color channel. */
fred = (GX_UBYTE)(((bred * balpha) + (fred * alpha)) >> 8);
fgreen = (GX_UBYTE)(((bgreen * balpha) + (fgreen * alpha)) >> 8);
fblue = (GX_UBYTE)(((bblue * balpha) + (fblue * alpha)) >> 8);
/* Re-assemble into 32-bit color and write it out. */
*put = (ULONG)(ASSEMBLECOLOR_32ARGB(0xff, fred, fgreen, fblue));
}
}

107
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/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** GUIX Component */
/** */
/** Display Management (Display) */
/** */
/**************************************************************************/
#define GX_SOURCE_CODE
/* Include necessary system files. */
#include "gx_api.h"
#include "gx_context.h"
#include "gx_system.h"
#include "gx_display.h"
#include "gx_image_reader.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _gx_display_driver_24xrgb_rotated_png_draw PORTABLE C */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* Rotated 24xrgb format screen driver PNG drawing function. */
/* */
/* INPUT */
/* */
/* context Drawing context */
/* xpos x-coord of top-left draw point*/
/* ypos y-coord of top-left draw point*/
/* pixelmap Pointer to GX_PIXELMAP struct */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* _gx_image_reader_create */
/* _gx_image_reader_start */
/* _gx_display_driver_24xrgb_rotated_pixelmap_draw */
/* _gx_system_memory_free */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* GUIX Internal Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */
/* */
/**************************************************************************/
#if defined(GX_SOFTWARE_DECODER_SUPPORT)
VOID _gx_display_driver_24xrgb_rotated_png_draw(GX_DRAW_CONTEXT *context, INT xpos, INT ypos, GX_PIXELMAP *pixelmap)
{
GX_IMAGE_READER image_reader;
GX_PIXELMAP pic_outmap;
GX_UBYTE mode = GX_IMAGE_READER_MODE_ALPHA;
if (context -> gx_draw_context_display -> gx_display_rotation_angle == GX_SCREEN_ROTATION_CW)
{
mode |= GX_IMAGE_READER_MODE_ROTATE_CW;
}
else
{
mode |= GX_IMAGE_READER_MODE_ROTATE_CCW;
}
_gx_image_reader_create(&image_reader,
pixelmap -> gx_pixelmap_data,
(INT)pixelmap -> gx_pixelmap_data_size,
GX_COLOR_FORMAT_24XRGB, mode);
if (_gx_image_reader_start(&image_reader, &pic_outmap) == GX_SUCCESS)
{
_gx_display_driver_32bpp_rotated_pixelmap_draw(context, xpos, ypos, &pic_outmap);
_gx_system_memory_free((VOID *)pic_outmap.gx_pixelmap_data);
}
}
#endif

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/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** GUIX Component */
/** */
/** Display Management (Display) */
/** */
/**************************************************************************/
#define GX_SOURCE_CODE
#include "gx_api.h"
#include "gx_display.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _gx_display_driver_24xrgb_rotated_setup PORTABLE C */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* Generic rotated 32-bit XRGB color format display driver setup */
/* routine. */
/* */
/* INPUT */
/* */
/* display The display control block */
/* aux_data Driver-defined auxiliary data */
/* toggle_function Driver-defined screen toggle */
/* function */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* GUIX Internal Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */
/* */
/**************************************************************************/
VOID _gx_display_driver_24xrgb_rotated_setup(GX_DISPLAY *display, VOID *aux_data,
VOID (*toggle_function)(struct GX_CANVAS_STRUCT *canvas,
GX_RECTANGLE *dirty_area))
{
_gx_display_driver_24xrgb_setup(display, aux_data, toggle_function);
#if defined(GX_MOUSE_SUPPORT)
display -> gx_display_mouse_capture = GX_NULL;
display -> gx_display_mouse_restore = GX_NULL;
display -> gx_display_mouse_capture = GX_NULL;
display -> gx_display_mouse_restore = GX_NULL;
display -> gx_display_mouse_draw = GX_NULL;
display -> gx_display_driver_drawing_initiate = GX_NULL;
display -> gx_display_driver_drawing_complete = GX_NULL;
display -> gx_display_mouse_position_set = GX_NULL;
display -> gx_display_mouse_enable = GX_NULL;
#endif
display -> gx_display_rotation_angle = GX_SCREEN_ROTATION_CW;
display -> gx_display_driver_canvas_copy = _gx_display_driver_32bpp_rotated_canvas_copy;
display -> gx_display_driver_simple_line_draw = _gx_display_driver_32bpp_rotated_simple_line_draw;
display -> gx_display_driver_horizontal_line_draw = _gx_display_driver_32bpp_rotated_horizontal_line_draw;
display -> gx_display_driver_vertical_line_draw = _gx_display_driver_32bpp_rotated_vertical_line_draw;
display -> gx_display_driver_horizontal_pattern_line_draw = _gx_display_driver_32bpp_rotated_horizontal_pattern_line_draw;
display -> gx_display_driver_vertical_pattern_line_draw = _gx_display_driver_32bpp_rotated_vertical_pattern_line_draw;
display -> gx_display_driver_horizontal_pixelmap_line_draw = _gx_display_driver_32bpp_rotated_horizontal_pixelmap_line_draw;
display -> gx_display_driver_pixel_write = _gx_display_driver_32bpp_rotated_pixel_write;
display -> gx_display_driver_block_move = _gx_display_driver_32bpp_rotated_block_move;
display -> gx_display_driver_pixelmap_draw = _gx_display_driver_32bpp_rotated_pixelmap_draw;
display -> gx_display_driver_pixelmap_rotate = _gx_display_driver_32bpp_rotated_pixelmap_rotate;
display -> gx_display_driver_alphamap_draw = _gx_display_driver_generic_rotated_alphamap_draw;
display -> gx_display_driver_polygon_fill = _gx_display_driver_generic_rotated_polygon_fill;
#if defined(GX_ARC_DRAWING_SUPPORT)
display -> gx_display_driver_circle_fill = _gx_display_driver_generic_rotated_circle_fill;
display -> gx_display_driver_pie_fill = _gx_display_driver_generic_rotated_pie_fill;
display -> gx_display_driver_arc_fill = _gx_display_driver_generic_rotated_arc_fill;
display -> gx_display_driver_ellipse_fill = _gx_display_driver_generic_rotated_ellipse_fill;
#endif
display -> gx_display_driver_palette_set = GX_NULL;
display -> gx_display_driver_buffer_toggle = toggle_function;
display -> gx_display_driver_canvas_blend = _gx_display_driver_24xrgb_rotated_canvas_blend;
display -> gx_display_driver_pixel_blend = _gx_display_driver_24xrgb_rotated_pixel_blend;
display -> gx_display_driver_pixelmap_blend = _gx_display_driver_32bpp_rotated_pixelmap_blend;
display -> gx_display_driver_8bit_glyph_draw = _gx_display_driver_generic_rotated_glyph_8bit_draw;
display -> gx_display_driver_4bit_glyph_draw = _gx_display_driver_generic_rotated_glyph_4bit_draw;
display -> gx_display_driver_1bit_glyph_draw = _gx_display_driver_32bpp_rotated_glyph_1bit_draw;
display -> gx_display_driver_8bit_compressed_glyph_draw = GX_NULL;
display -> gx_display_driver_4bit_compressed_glyph_draw = GX_NULL;
display -> gx_display_driver_1bit_compressed_glyph_draw = GX_NULL;
#if defined(GX_SOFTWARE_DECODER_SUPPORT)
display -> gx_display_driver_jpeg_draw = _gx_display_driver_24xrgb_rotated_jpeg_draw;
display -> gx_display_driver_png_draw = _gx_display_driver_24xrgb_rotated_png_draw;
#endif
}

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/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** GUIX Component */
/** */
/** Display Management (Display) */
/** */
/**************************************************************************/
#define GX_SOURCE_CODE
#include "gx_api.h"
#include "gx_display.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _gx_display_driver_32argb_rotated_pixel_blend PORTABLE C */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* Rotated Pixel blend function for 32argb color format. */
/* */
/* INPUT */
/* */
/* context Drawing context */
/* x X coordinate */
/* y Y coordinate */
/* color Color of line to write */
/* alpha blending value 0 to 255 */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* GUIX Internal Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */
/* */
/**************************************************************************/
VOID _gx_display_driver_32argb_rotated_pixel_blend(GX_DRAW_CONTEXT *context, INT x, INT y, GX_COLOR fcolor, GX_UBYTE alpha)
{
GX_UBYTE falpha, fred, fgreen, fblue;
GX_UBYTE balpha, bred, bgreen, bblue;
GX_UBYTE oalpha;
ULONG bcolor;
ULONG *put;
INT combined_alpha;
falpha = ALPHAVAL_32BPP(fcolor);
falpha = (GX_UBYTE)((falpha * alpha) / 255);
/* Is the pixel non-transparent? */
if (falpha > 0)
{
/* Calculate address of pixel. */
put = (ULONG *)context -> gx_draw_context_memory;
GX_SWAP_VALS(x, y);
if (context -> gx_draw_context_display -> gx_display_rotation_angle == GX_SCREEN_ROTATION_CW)
{
y = context -> gx_draw_context_canvas -> gx_canvas_x_resolution - y - 1;
}
else
{
x = context -> gx_draw_context_canvas -> gx_canvas_y_resolution - x - 1;
}
put += context -> gx_draw_context_pitch * y;
put += x;
/* No need to blend if alpha value is 255. */
if (falpha == 255)
{
*put = (ULONG)fcolor;
return;
}
/* Split foreground into alpha, red, green, and blue components. */
fred = REDVAL_32BPP(fcolor);
fgreen = GREENVAL_32BPP(fcolor);
fblue = BLUEVAL_32BPP(fcolor);
/* Read background color. */
bcolor = *put;
/* Split background color into red, green, and blue components. */
balpha = ALPHAVAL_32BPP(bcolor);
bred = REDVAL_32BPP(bcolor);
bgreen = GREENVAL_32BPP(bcolor);
bblue = BLUEVAL_32BPP(bcolor);
/* Background alpha is inverse of foreground alpha. */
combined_alpha = (falpha * balpha) / 0xff;
/* Blend foreground and background, each color channel. */
oalpha = (GX_UBYTE)(falpha + balpha - combined_alpha);
fred = (GX_UBYTE)((fred * falpha + bred * balpha - bred * combined_alpha) / oalpha);
fgreen = (GX_UBYTE)((fgreen * falpha + bgreen * balpha - bgreen * combined_alpha) / oalpha);
fblue = (GX_UBYTE)((fblue * falpha + bblue * balpha - bblue * combined_alpha) / oalpha);
/* Re-assemble into 16-bit color and write it out. */
*put = (ULONG)ASSEMBLECOLOR_32ARGB(oalpha, fred, fgreen, fblue);
}
}

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/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** GUIX Component */
/** */
/** Display Management (Display) */
/** */
/**************************************************************************/
#define GX_SOURCE_CODE
#include "gx_api.h"
#include "gx_display.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _gx_display_driver_32argb_rotated_setup PORTABLE C */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* Generic rotated 32-bit ARGB color format display driver setup */
/* routine. */
/* */
/* INPUT */
/* */
/* display The display control block */
/* aux_data Driver-defined auxiliary data */
/* toggle_function Driver-defined screen toggle */
/* function */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* GUIX Internal Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */
/* */
/**************************************************************************/
VOID _gx_display_driver_32argb_rotated_setup(GX_DISPLAY *display, VOID *aux_data,
VOID (*toggle_function)(struct GX_CANVAS_STRUCT *canvas,
GX_RECTANGLE *dirty_area))
{
_gx_display_driver_32argb_setup(display, aux_data, toggle_function);
#if defined(GX_MOUSE_SUPPORT)
display -> gx_display_mouse_capture = GX_NULL;
display -> gx_display_mouse_restore = GX_NULL;
display -> gx_display_mouse_capture = GX_NULL;
display -> gx_display_mouse_restore = GX_NULL;
display -> gx_display_mouse_draw = GX_NULL;
display -> gx_display_driver_drawing_initiate = GX_NULL;
display -> gx_display_driver_drawing_complete = GX_NULL;
display -> gx_display_mouse_position_set = GX_NULL;
display -> gx_display_mouse_enable = GX_NULL;
#endif
display -> gx_display_rotation_angle = GX_SCREEN_ROTATION_CW;
display -> gx_display_driver_canvas_copy = _gx_display_driver_32bpp_rotated_canvas_copy;
display -> gx_display_driver_simple_line_draw = _gx_display_driver_32bpp_rotated_simple_line_draw;
display -> gx_display_driver_horizontal_line_draw = _gx_display_driver_32bpp_rotated_horizontal_line_draw;
display -> gx_display_driver_vertical_line_draw = _gx_display_driver_32bpp_rotated_vertical_line_draw;
display -> gx_display_driver_horizontal_pattern_line_draw = _gx_display_driver_32bpp_rotated_horizontal_pattern_line_draw;
display -> gx_display_driver_vertical_pattern_line_draw = _gx_display_driver_32bpp_rotated_vertical_pattern_line_draw;
display -> gx_display_driver_horizontal_pixelmap_line_draw = _gx_display_driver_32bpp_rotated_horizontal_pixelmap_line_draw;
display -> gx_display_driver_pixel_write = _gx_display_driver_32bpp_rotated_pixel_write;
display -> gx_display_driver_block_move = _gx_display_driver_32bpp_rotated_block_move;
display -> gx_display_driver_pixelmap_draw = _gx_display_driver_32bpp_rotated_pixelmap_draw;
display -> gx_display_driver_alphamap_draw = _gx_display_driver_generic_rotated_alphamap_draw;
display -> gx_display_driver_polygon_fill = _gx_display_driver_generic_rotated_polygon_fill;
#if defined(GX_ARC_DRAWING_SUPPORT)
display -> gx_display_driver_circle_fill = _gx_display_driver_generic_rotated_circle_fill;
display -> gx_display_driver_pie_fill = _gx_display_driver_generic_rotated_pie_fill;
display -> gx_display_driver_arc_fill = _gx_display_driver_generic_rotated_arc_fill;
display -> gx_display_driver_ellipse_fill = _gx_display_driver_generic_rotated_ellipse_fill;
display -> gx_display_driver_anti_aliased_wide_ellipse_draw = _gx_display_driver_generic_aliased_wide_ellipse_draw;
#endif
display -> gx_display_driver_canvas_blend = _gx_display_driver_24xrgb_rotated_canvas_blend;
display -> gx_display_driver_pixel_blend = _gx_display_driver_32argb_rotated_pixel_blend;
display -> gx_display_driver_pixelmap_blend = _gx_display_driver_32bpp_rotated_pixelmap_blend;
display -> gx_display_driver_pixelmap_rotate = _gx_display_driver_32bpp_rotated_pixelmap_rotate;
display -> gx_display_driver_8bit_glyph_draw = _gx_display_driver_generic_rotated_glyph_8bit_draw;
display -> gx_display_driver_4bit_glyph_draw = _gx_display_driver_generic_rotated_glyph_4bit_draw;
display -> gx_display_driver_1bit_glyph_draw = _gx_display_driver_32bpp_rotated_glyph_1bit_draw;
#if defined(GX_SOFTWARE_DECODER_SUPPORT)
display -> gx_display_driver_jpeg_draw = _gx_display_driver_24xrgb_rotated_jpeg_draw;
display -> gx_display_driver_png_draw = _gx_display_driver_24xrgb_rotated_png_draw;
#endif
}

210
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/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** GUIX Component */
/** */
/** Display Management (Display) */
/** */
/**************************************************************************/
#define GX_SOURCE_CODE
/* Include necessary system files. */
#include "gx_api.h"
#include "gx_display.h"
#include "gx_system.h"
#include "gx_utility.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _gx_display_driver_32bpp_rotated_block_move PORTABLE C */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* Generic rotated 32bpp color format display driver block moving */
/* function. */
/* */
/* INPUT */
/* */
/* context Draw context */
/* block The rectangle to be moved */
/* xshift Amount to move on X-axis */
/* yshift Amount to move on Y-axis */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* memmove Move memory content */
/* */
/* CALLED BY */
/* */
/* GUIX Internal Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */
/* */
/**************************************************************************/
VOID _gx_display_driver_32bpp_rotated_block_move(GX_DRAW_CONTEXT *context,
GX_RECTANGLE *block, INT xshift, INT yshift)
{
GX_COLOR *pGet;
GX_COLOR *pPut;
int width;
int width_in_bytes;
int y;
int height;
GX_RECTANGLE rotated_block;
GX_SWAP_VALS(xshift, yshift);
if (context -> gx_draw_context_display -> gx_display_rotation_angle == GX_SCREEN_ROTATION_CW)
{
rotated_block.gx_rectangle_left = block -> gx_rectangle_top;
rotated_block.gx_rectangle_right = block -> gx_rectangle_bottom;
rotated_block.gx_rectangle_top = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - block -> gx_rectangle_right - 1);
rotated_block.gx_rectangle_bottom = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - block -> gx_rectangle_left - 1);
yshift = -yshift;
}
else
{
rotated_block.gx_rectangle_left = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - block -> gx_rectangle_bottom - 1);
rotated_block.gx_rectangle_right = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - block -> gx_rectangle_top - 1);
rotated_block.gx_rectangle_top = block -> gx_rectangle_left;
rotated_block.gx_rectangle_bottom = block -> gx_rectangle_right;
xshift = -xshift;
}
if (xshift)
{
if (xshift > 0)
{
/* Have to copy from left to right. */
pPut = context -> gx_draw_context_memory;
pPut += rotated_block.gx_rectangle_top * context -> gx_draw_context_pitch;
pPut += rotated_block.gx_rectangle_left + xshift;
pGet = context -> gx_draw_context_memory;
pGet += rotated_block.gx_rectangle_top * context -> gx_draw_context_pitch;
pGet += rotated_block.gx_rectangle_left;
width = rotated_block.gx_rectangle_right - rotated_block.gx_rectangle_left + 1 - xshift;
width_in_bytes = width * (int)sizeof(GX_COLOR);
if (width_in_bytes <= 0)
{
return;
}
for (y = rotated_block.gx_rectangle_top; y <= rotated_block.gx_rectangle_bottom; y++)
{
memmove(pPut, pGet, (size_t)width_in_bytes);
pPut += context -> gx_draw_context_pitch;
pGet += context -> gx_draw_context_pitch;
}
}
else
{
/* Have to copy from right to left. */
pPut = context -> gx_draw_context_memory;
pPut += rotated_block.gx_rectangle_top * context -> gx_draw_context_pitch;
pPut += rotated_block.gx_rectangle_left;
pGet = context -> gx_draw_context_memory;
pGet += rotated_block.gx_rectangle_top * context -> gx_draw_context_pitch;
pGet += rotated_block.gx_rectangle_left - xshift;
width = rotated_block.gx_rectangle_right - rotated_block.gx_rectangle_left + 1 + xshift;
width_in_bytes = width * (int)sizeof(GX_COLOR);
if (width_in_bytes <= 0)
{
return;
}
for (y = rotated_block.gx_rectangle_top; y <= rotated_block.gx_rectangle_bottom; y++)
{
memmove(pPut, pGet, (size_t)width_in_bytes);
pPut += context -> gx_draw_context_pitch;
pGet += context -> gx_draw_context_pitch;
}
}
}
else
{
width = rotated_block.gx_rectangle_right - rotated_block.gx_rectangle_left + 1;
width_in_bytes = width * (int)sizeof(GX_COLOR);
if (yshift > 0)
{
/* Have to copy from top to bottom. */
pPut = context -> gx_draw_context_memory;
pPut += rotated_block.gx_rectangle_bottom * context -> gx_draw_context_pitch;
pPut += rotated_block.gx_rectangle_left;
pGet = context -> gx_draw_context_memory;
pGet += (rotated_block.gx_rectangle_bottom - yshift) * context -> gx_draw_context_pitch;
pGet += rotated_block.gx_rectangle_left;
height = rotated_block.gx_rectangle_bottom - rotated_block.gx_rectangle_top + 1 - yshift;
for (y = 0; y < height; y++)
{
memmove(pPut, pGet, (size_t)width_in_bytes);
pPut -= context -> gx_draw_context_pitch;
pGet -= context -> gx_draw_context_pitch;
}
}
else
{
/* Have to copy from bottom to top. */
pPut = context -> gx_draw_context_memory;
pPut += rotated_block.gx_rectangle_top * context -> gx_draw_context_pitch;
pPut += rotated_block.gx_rectangle_left;
pGet = context -> gx_draw_context_memory;
pGet += (rotated_block.gx_rectangle_top - yshift) * context -> gx_draw_context_pitch;
pGet += rotated_block.gx_rectangle_left;
height = rotated_block.gx_rectangle_bottom - rotated_block.gx_rectangle_top + 1 + yshift;
for (y = 0; y < height; y++)
{
memmove(pPut, pGet, (size_t)width_in_bytes);
pPut += context -> gx_draw_context_pitch;
pGet += context -> gx_draw_context_pitch;
}
}
}
}

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/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** GUIX Component */
/** */
/** Display Management (Display) */
/** */
/**************************************************************************/
#define GX_SOURCE_CODE
/* Include necessary system files. */
#include "gx_api.h"
#include "gx_display.h"
#include "gx_utility.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _gx_display_driver_32bpp_rotated_canvas_copy PORTABLE C */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* Generic rotated 32bpp canvas copy function. */
/* */
/* INPUT */
/* */
/* canvas The canvas to copy from */
/* composite The canvas to copy to */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* _gx_utility_rectangle_shift Move the rectangle */
/* _gx_utility_rectangle_overlap_detect Detect two rectangles being */
/* overlap to each other */
/* memcpy Move canvas data */
/* */
/* CALLED BY */
/* */
/* GUIX Internal Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */
/* */
/**************************************************************************/
VOID _gx_display_driver_32bpp_rotated_canvas_copy(GX_CANVAS *canvas, GX_CANVAS *composite)
{
GX_RECTANGLE dirty;
GX_RECTANGLE overlap;
ULONG *read;
ULONG *write;
INT width;
INT row;
dirty.gx_rectangle_left = dirty.gx_rectangle_top = 0;
dirty.gx_rectangle_right = (GX_VALUE)(canvas -> gx_canvas_x_resolution - 1);
dirty.gx_rectangle_bottom = (GX_VALUE)(canvas -> gx_canvas_y_resolution - 1);
_gx_utility_rectangle_shift(&dirty, canvas -> gx_canvas_display_offset_x, canvas -> gx_canvas_display_offset_y);
if (_gx_utility_rectangle_overlap_detect(&dirty, &composite -> gx_canvas_dirty_area, &overlap))
{
width = overlap.gx_rectangle_bottom - overlap.gx_rectangle_top + 1;
read = (ULONG *)canvas -> gx_canvas_memory;
write = (ULONG *)composite -> gx_canvas_memory;
if (canvas -> gx_canvas_display -> gx_display_rotation_angle == GX_SCREEN_ROTATION_CW)
{
/* Index into starting row. */
read += (dirty.gx_rectangle_right - overlap.gx_rectangle_right) * canvas -> gx_canvas_y_resolution;
/* Index into pixel. */
read += overlap.gx_rectangle_top - dirty.gx_rectangle_top;
/* Calculate the write pointer. */
write += (composite -> gx_canvas_x_resolution - overlap.gx_rectangle_right - 1) * composite -> gx_canvas_y_resolution;
write += overlap.gx_rectangle_top;
}
else
{
/* Index into starting row. */
read += (overlap.gx_rectangle_left - dirty.gx_rectangle_left) * canvas -> gx_canvas_y_resolution;
/* Index into pixel. */
read += dirty.gx_rectangle_bottom - overlap.gx_rectangle_bottom;
/* Calculate the write pointer. */
write += overlap.gx_rectangle_left * composite -> gx_canvas_y_resolution;
write += (composite -> gx_canvas_y_resolution - overlap.gx_rectangle_bottom - 1);
}
for (row = overlap.gx_rectangle_left; row <= overlap.gx_rectangle_right; row++)
{
memcpy(write, read, (size_t)width * 4); /* Use case of memcpy is verified. */
write += composite -> gx_canvas_y_resolution;
read += canvas -> gx_canvas_y_resolution;
}
}
}

313
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/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** GUIX Component */
/** */
/** Display Management (Display) */
/** */
/**************************************************************************/
#define GX_SOURCE_CODE
/* Include necessary system files. */
#include "gx_api.h"
#include "gx_system.h"
#include "gx_utility.h"
#include "gx_display.h"
#define DRAW_PIXEL if (alpha & mask) \
{ \
*put = text_color; \
} \
put++; \
mask = mask >> 1;
#if defined(GX_BRUSH_ALPHA_SUPPORT)
#define BLEND_PIXEL if (alpha & mask) \
{ \
_gx_display_driver_24xrgb_pixel_blend(context, xval, yval, text_color, brush_alpha); \
} \
xval++; \
mask = mask >> 1;
#endif
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _gx_display_driver_32bpp_rotated_glyph_1bit_draw PORTABLE C */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This functions draw monochrome font on 32bpp rotated canvas, */
/* clipped to one viewport. */
/* */
/* INPUT */
/* */
/* context Draw context */
/* draw_area The region bound by the */
/* rectangle where the glyph */
/* is drawn */
/* map_offset X,Y offset into the glyph map */
/* glyph Pointer to the glyph */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* _gx_display_driver_24xrgb_pixel_blend */
/* */
/* CALLED BY */
/* */
/* GUIX Internal code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */
/* */
/**************************************************************************/
VOID _gx_display_driver_32bpp_rotated_glyph_1bit_draw(GX_DRAW_CONTEXT *context, GX_RECTANGLE *draw_area, GX_POINT *map_offset, GX_CONST GX_GLYPH *glyph)
{
GX_UBYTE *glyph_row;
GX_UBYTE *glyph_data;
UINT row;
UINT pixel_per_row;
UINT pixel_in_first_byte;
UINT pixel_in_last_byte = 0;
GX_COLOR text_color;
UINT y_height;
GX_UBYTE alpha;
UINT glyph_width;
UINT *put;
UINT num_bytes;
UINT num_bits;
UINT *line_start;
GX_UBYTE mask, init_mask;
UINT i;
GX_VALUE rotated_map_offset_x;
GX_VALUE rotated_map_offset_y;
GX_VALUE rotated_draw_left;
GX_VALUE rotated_draw_top;
#if defined(GX_BRUSH_ALPHA_SUPPORT)
GX_UBYTE brush_alpha;
INT xval, yval;
VOID (*blend_func)(GX_DRAW_CONTEXT * context, INT x, INT y, GX_COLOR fcolor, GX_UBYTE alpha);
brush_alpha = context -> gx_draw_context_brush.gx_brush_alpha;
if (brush_alpha == 0)
{
return;
}
GX_SET_BLEND_FUNCTION(blend_func, context->gx_draw_context_display->gx_display_color_format);
#endif
text_color = context -> gx_draw_context_brush.gx_brush_line_color;
pixel_per_row = (UINT)(draw_area -> gx_rectangle_bottom - draw_area -> gx_rectangle_top + 1);
y_height = (UINT)(draw_area -> gx_rectangle_right - draw_area -> gx_rectangle_left + 1);
/* Find the width of the glyph, in terms of bytes. */
glyph_width = glyph -> gx_glyph_height;
/* Make it byte-aligned. */
glyph_width = (glyph_width + 7) >> 3;
if (context -> gx_draw_context_display -> gx_display_rotation_angle == GX_SCREEN_ROTATION_CW)
{
rotated_draw_left = draw_area -> gx_rectangle_top;
rotated_draw_top = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - draw_area -> gx_rectangle_right - 1);
rotated_map_offset_x = map_offset -> gx_point_y;
rotated_map_offset_y = (GX_VALUE)(glyph -> gx_glyph_width - map_offset -> gx_point_x - (GX_VALUE)y_height);
}
else
{
rotated_draw_left = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_display_offset_y - draw_area -> gx_rectangle_bottom - 1);
rotated_draw_top = draw_area -> gx_rectangle_left;
rotated_map_offset_x = (GX_VALUE)(glyph -> gx_glyph_height - map_offset -> gx_point_y - (GX_VALUE)pixel_per_row);
rotated_map_offset_y = map_offset -> gx_point_x;
}
/* Compute the number of useful bytes from the glyph this routine is going to use.
Because of map_offset, the first byte may contain pixel bits we don't need to draw;
And the width of the draw_area may produce part of the last byte in the row to be ignored. */
num_bytes = (UINT)(((UINT)rotated_map_offset_x + pixel_per_row + 7) >> 3);
/* Take into account if map_offset specifies the number of bytes to ignore from the beginning of the row. */
num_bytes = num_bytes - (((UINT)rotated_map_offset_x) >> 3);
/* Compute the number of pixels to draw from the first byte of the glyph data. */
pixel_in_first_byte = 8 - (UINT)(rotated_map_offset_x & 0x7);
init_mask = (GX_UBYTE)(1 << (pixel_in_first_byte - 1));
/* Compute the number of pixels to draw from the last byte, if there are more than one byte in a row. */
if (num_bytes != 1)
{
pixel_in_last_byte = (((UINT)rotated_map_offset_x + pixel_per_row) & 0x7);
if (pixel_in_last_byte == 0)
{
pixel_in_last_byte = 8;
}
}
else
{
pixel_in_first_byte = pixel_per_row;
}
glyph_row = (GX_UBYTE *)glyph -> gx_glyph_map;
if (rotated_map_offset_y)
{
glyph_row = glyph_row + ((INT)glyph_width * (INT)rotated_map_offset_y);
}
glyph_row += (rotated_map_offset_x >> 3);
#if defined(GX_BRUSH_ALPHA_SUPPORT)
if (brush_alpha != 0xff)
{
yval = rotated_draw_top;
for (row = 0; row < y_height; row++)
{
xval = rotated_draw_left;
glyph_data = glyph_row;
alpha = *(glyph_data);
mask = init_mask;
num_bits = pixel_in_first_byte;
for (i = 0; i < num_bytes; i++)
{
if ((i == (num_bytes - 1)) && (num_bytes > 1))
{
num_bits = pixel_in_last_byte;
}
switch (num_bits)
{
case 8:
BLEND_PIXEL;
/* fallthrough */
case 7:
BLEND_PIXEL;
/* fallthrough */
case 6:
BLEND_PIXEL;
/* fallthrough */
case 5:
BLEND_PIXEL;
/* fallthrough */
case 4:
BLEND_PIXEL;
/* fallthrough */
case 3:
BLEND_PIXEL;
/* fallthrough */
case 2:
BLEND_PIXEL;
/* fallthrough */
default:
if (alpha & mask)
{
blend_func(context, xval, yval, text_color, brush_alpha);
}
xval++;
break;
}
glyph_data++;
alpha = *(glyph_data);
num_bits = 8;
mask = 0x80;
}
glyph_row += glyph_width;
yval++;
}
}
else
{
#endif
line_start = (UINT *)context -> gx_draw_context_memory;
line_start += context -> gx_draw_context_pitch * (rotated_draw_top);
line_start += rotated_draw_left;
for (row = 0; row < y_height; row++)
{
glyph_data = glyph_row;
alpha = *(glyph_data);
mask = init_mask;
num_bits = pixel_in_first_byte;
put = line_start;
for (i = 0; i < num_bytes; i++)
{
if ((i == (num_bytes - 1)) && (num_bytes > 1))
{
num_bits = pixel_in_last_byte;
}
switch (num_bits)
{
case 8:
DRAW_PIXEL;
/* fallthrough */
case 7:
DRAW_PIXEL;
/* fallthrough */
case 6:
DRAW_PIXEL;
/* fallthrough */
case 5:
DRAW_PIXEL;
/* fallthrough */
case 4:
DRAW_PIXEL;
/* fallthrough */
case 3:
DRAW_PIXEL;
/* fallthrough */
case 2:
DRAW_PIXEL;
/* fallthrough */
default:
if (alpha & mask)
{
*put = text_color;
}
put++;
break;
}
glyph_data++;
alpha = *(glyph_data);
num_bits = 8;
mask = 0x80;
}
glyph_row += glyph_width;
line_start += context -> gx_draw_context_pitch;
}
#if defined(GX_BRUSH_ALPHA_SUPPORT)
}
#endif
return;
}

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/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** GUIX Component */
/** */
/** Display Management (Display) */
/** */
/**************************************************************************/
#define GX_SOURCE_CODE
/* Include necessary system files. */
#include "gx_api.h"
#include "gx_display.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _gx_display_driver_32bpp_rotated_horizontal_line_draw */
/* PORTABLE C */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* Generic 32bpp color format horizontal line draw function. */
/* */
/* INPUT */
/* */
/* context Drawing context */
/* xstart x-coord of left endpoint */
/* xend x-coord of right endpoint */
/* ypos y-coord of line top */
/* width Width (height) of the line */
/* color Color of line to write */
/* */
/* OUTPUT */
/* */
/* NOne */
/* */
/* CALLS */
/* */
/* _gx_display_driver_horizontal_line_alpha_draw */
/* Basic horizontal line alpha */
/* draw function */
/* */
/* CALLED BY */
/* */
/* GUIX Internal Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */
/* */
/**************************************************************************/
VOID _gx_display_driver_32bpp_rotated_horizontal_line_draw(GX_DRAW_CONTEXT *context, INT xstart, INT xend, INT ypos, INT width, GX_COLOR color)
{
INT row;
INT column;
ULONG *put;
ULONG *rowstart;
INT len = xend - xstart + 1;
#if defined GX_BRUSH_ALPHA_SUPPORT
GX_UBYTE alpha;
alpha = context -> gx_draw_context_brush.gx_brush_alpha;
if (alpha == 0)
{
/* Nothing to drawn. Just return. */
return;
}
if (alpha != 0xff)
{
_gx_display_driver_horizontal_line_alpha_draw(context, xstart, xend, ypos, width, color, alpha);
return;
}
#endif
/* Pick up start address of canvas memory. */
rowstart = (ULONG *)context -> gx_draw_context_memory;
/* Calculate start of row address. */
if (context -> gx_draw_context_display -> gx_display_rotation_angle == GX_SCREEN_ROTATION_CW)
{
rowstart += (context -> gx_draw_context_canvas -> gx_canvas_x_resolution - xstart - 1) * context -> gx_draw_context_pitch;
rowstart += ypos;
}
else
{
rowstart += xend * context -> gx_draw_context_pitch;
rowstart += (context -> gx_draw_context_canvas -> gx_canvas_y_resolution - ypos - width);
}
/* Draw one line, left to right. */
for (column = 0; column < len; column++)
{
put = rowstart;
/* Draw 1-pixel vertical lines to fill width. */
for (row = 0; row < width; row++)
{
*put++ = (ULONG)color;
}
rowstart -= context -> gx_draw_context_pitch;
}
}

132
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/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** GUIX Component */
/** */
/** Display Management (Display) */
/** */
/**************************************************************************/
#define GX_SOURCE_CODE
/* Include necessary system files. */
#include "gx_api.h"
#include "gx_display.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _gx_display_driver_32bpp_roizontal_horizontal_pattern_line_draw */
/* */
/* PORTABLE C */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* Generic 32bpp color format horizontal pattern line draw function. */
/* */
/* INPUT */
/* */
/* context Drawing context */
/* xstart x-coord of left endpoint */
/* xend x-coord of right endpoint */
/* ypos y-coord of line top */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* GUIX Internal Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */
/* */
/**************************************************************************/
VOID _gx_display_driver_32bpp_rotated_horizontal_pattern_line_draw(GX_DRAW_CONTEXT *context, INT xstart, INT xend, INT ypos)
{
INT column;
ULONG *put;
ULONG *rowstart;
ULONG pattern;
ULONG mask;
ULONG on_color;
ULONG off_color;
INT len = xend - xstart + 1;
/* Pick up start address of canvas memory. */
rowstart = (ULONG *)context -> gx_draw_context_memory;
if (context -> gx_draw_context_display -> gx_display_rotation_angle == GX_SCREEN_ROTATION_CW)
{
/* Calculate start of row address. */
rowstart += (context -> gx_draw_context_canvas -> gx_canvas_x_resolution - xstart - 1) * context -> gx_draw_context_pitch;
/* Calculate pixel address. */
rowstart += ypos;
}
else
{
/* Calculate start of row address. */
rowstart += xend * context -> gx_draw_context_pitch;
/* Calculate pixel address. */
rowstart += (context -> gx_draw_context_canvas -> gx_canvas_y_resolution - ypos - 1);
}
/* Pick up the requested pattern and mask. */
pattern = context -> gx_draw_context_brush.gx_brush_line_pattern;
mask = context -> gx_draw_context_brush.gx_brush_pattern_mask;
on_color = (ULONG)context -> gx_draw_context_brush.gx_brush_line_color;
off_color = (ULONG)context -> gx_draw_context_brush.gx_brush_fill_color;
put = rowstart;
/* Draw one line, left to right. */
for (column = 0; column < len; column++)
{
if (pattern & mask)
{
*put = on_color;
}
else
{
*put = off_color;
}
put -= context -> gx_draw_context_pitch;
mask >>= 1;
if (!mask)
{
mask = 0x80000000;
}
}
/* Save current masks value back to brush. */
context -> gx_draw_context_brush.gx_brush_pattern_mask = mask;
}

1119
common/src/gx_display_driver_32bpp_rotated_horizontal_pixelmap_line_draw.c Normal file
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93
common/src/gx_display_driver_32bpp_rotated_pixel_write.c Normal file
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/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** GUIX Component */
/** */
/** Display Management (Display) */
/** */
/**************************************************************************/
#define GX_SOURCE_CODE
/* Include necessary system files. */
#include "gx_api.h"
#include "gx_display.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _gx_display_driver_32bpp_rotated_pixel_write PORTABLE C */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* Generic rotated 32bpp color format pixel write function. */
/* */
/* INPUT */
/* */
/* context Drawing context */
/* x X coordinate */
/* y Y coordinate */
/* color Color of pixel to write */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* GUIX Internal Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */
/* */
/**************************************************************************/
VOID _gx_display_driver_32bpp_rotated_pixel_write(GX_DRAW_CONTEXT *context, INT x, INT y, GX_COLOR color)
{
ULONG *put = (ULONG *)context -> gx_draw_context_memory;
/* Calculate address of scan line. */
if (context -> gx_draw_context_display -> gx_display_rotation_angle == GX_SCREEN_ROTATION_CW)
{
put += context -> gx_draw_context_pitch * (context -> gx_draw_context_canvas -> gx_canvas_x_resolution - x - 1);
/* Step in by y coordinate. */
put += y;
}
else
{
put += context -> gx_draw_context_pitch * x;
/* Step in by y coordinate. */
put += (context -> gx_draw_context_canvas -> gx_canvas_y_resolution - y - 1);
}
/* Write the pixel value. */
*put = (ULONG)color;
}

863
common/src/gx_display_driver_32bpp_rotated_pixelmap_blend.c Normal file
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/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** GUIX Component */
/** */
/** Display Management (Display) */
/** */
/**************************************************************************/
#define GX_SOURCE_CODE
/* Include necessary system files. */
#include "gx_api.h"
#include "gx_display.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _gx_display_driver_32bpp_rotated_pixelmap_raw_blend */
/* PORTABLE C */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* Internal helper function that handles blending of rotated */
/* uncompressed pixlemap data without alpha channel. */
/* */
/* INPUT */
/* */
/* context Drawing context */
/* xpos x-coord of top-left draw point*/
/* ypos y-coord of top-left draw point*/
/* pixelmap Pointer to GX_PIXELMAP struct */
/* alpha blending value 0 to 255 */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* _gx_display_driver_24xrgb_pixel_blend */
/* _gx_display_driver_32argb_pixel_blend */
/* */
/* CALLED BY */
/* */
/* _gx_display_driver_32bpp_rotated_pixelmap_blend */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */
/* */
/**************************************************************************/
static VOID _gx_display_driver_32bpp_rotated_pixelmap_raw_blend(GX_DRAW_CONTEXT *context, INT xpos, INT ypos, GX_PIXELMAP *pixelmap, GX_UBYTE alpha)
{
INT yval;
INT xval;
ULONG *get;
ULONG *getrow;
GX_RECTANGLE *clip = context -> gx_draw_context_clip;
GX_RECTANGLE rotated_clip;
VOID (*blend_func)(GX_DRAW_CONTEXT *context, INT x, INT y, GX_COLOR fcolor, GX_UBYTE alpha);
GX_SET_BLEND_FUNCTION(blend_func, context -> gx_draw_context_display -> gx_display_color_format);
GX_SWAP_VALS(xpos, ypos);
if (context -> gx_draw_context_display -> gx_display_rotation_angle == GX_SCREEN_ROTATION_CW)
{
rotated_clip.gx_rectangle_left = clip -> gx_rectangle_top;
rotated_clip.gx_rectangle_right = clip -> gx_rectangle_bottom;
rotated_clip.gx_rectangle_top = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - clip -> gx_rectangle_right - 1);
rotated_clip.gx_rectangle_bottom = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - clip -> gx_rectangle_left - 1);
ypos = (context -> gx_draw_context_canvas -> gx_canvas_x_resolution - ypos - pixelmap -> gx_pixelmap_width);
}
else
{
rotated_clip.gx_rectangle_left = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - clip -> gx_rectangle_bottom - 1);
rotated_clip.gx_rectangle_right = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - clip -> gx_rectangle_top - 1);
rotated_clip.gx_rectangle_top = clip -> gx_rectangle_left;
rotated_clip.gx_rectangle_bottom = clip -> gx_rectangle_right;
xpos = (context -> gx_draw_context_canvas -> gx_canvas_y_resolution - xpos - pixelmap -> gx_pixelmap_height);
}
getrow = (GX_COLOR *)pixelmap -> gx_pixelmap_data;
getrow += pixelmap -> gx_pixelmap_height * (rotated_clip.gx_rectangle_top - ypos);
getrow += (rotated_clip.gx_rectangle_left - xpos);
for (yval = rotated_clip.gx_rectangle_top; yval <= rotated_clip.gx_rectangle_bottom; yval++)
{
get = getrow;
for (xval = rotated_clip.gx_rectangle_left; xval <= rotated_clip.gx_rectangle_right; xval++)
{
blend_func(context, xval, yval, (*get++), alpha);
}
getrow += pixelmap -> gx_pixelmap_height;
}
}
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _gx_display_driver_32bpp_rotated_pixelmap_alpha_blend */
/* PORTABLE C */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* Internal helper function that handles blending of rotated */
/* uncompressed pixlemap data with alpha channel. */
/* */
/* INPUT */
/* */
/* context Drawing context */
/* xpos x-coord of top-left draw point*/
/* ypos y-coord of top-left draw point*/
/* pixelmap Pointer to GX_PIXELMAP struct */
/* alpha blending value 0 to 255 */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* _gx_display_driver_24xrgb_pixel_blend */
/* _gx_display_driver_32argb_pixel_blend */
/* */
/* CALLED BY */
/* */
/* _gx_display_driver_32bpp_rotated_pixelmap_blend */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */
/* */
/**************************************************************************/
static VOID _gx_display_driver_32bpp_rotated_pixelmap_alpha_blend(GX_DRAW_CONTEXT *context,
INT xpos, INT ypos, GX_PIXELMAP *pixelmap, GX_UBYTE alpha)
{
int xval;
int yval;
ULONG *get;
ULONG *getrow;
UCHAR alpha_value;
ULONG combined_alpha;
ULONG color;
GX_RECTANGLE *clip = context -> gx_draw_context_clip;
GX_RECTANGLE rotated_clip;
VOID (*blend_func)(GX_DRAW_CONTEXT *context, INT x, INT y, GX_COLOR fcolor, GX_UBYTE alpha);
GX_SET_BLEND_FUNCTION(blend_func, context -> gx_draw_context_display -> gx_display_color_format);
GX_SWAP_VALS(xpos, ypos);
if (context -> gx_draw_context_display -> gx_display_rotation_angle == GX_SCREEN_ROTATION_CW)
{
rotated_clip.gx_rectangle_left = clip -> gx_rectangle_top;
rotated_clip.gx_rectangle_right = clip -> gx_rectangle_bottom;
rotated_clip.gx_rectangle_top = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - clip -> gx_rectangle_right - 1);
rotated_clip.gx_rectangle_bottom = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - clip -> gx_rectangle_left - 1);
ypos = (context -> gx_draw_context_canvas -> gx_canvas_x_resolution - ypos - pixelmap -> gx_pixelmap_width);
}
else
{
rotated_clip.gx_rectangle_left = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - clip -> gx_rectangle_bottom - 1);
rotated_clip.gx_rectangle_right = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - clip -> gx_rectangle_top - 1);
rotated_clip.gx_rectangle_top = clip -> gx_rectangle_left;
rotated_clip.gx_rectangle_bottom = clip -> gx_rectangle_right;
xpos = (context -> gx_draw_context_canvas -> gx_canvas_y_resolution - xpos - pixelmap -> gx_pixelmap_height);
}
xval = clip -> gx_rectangle_left;
yval = clip -> gx_rectangle_top;
getrow = (GX_COLOR *)(pixelmap -> gx_pixelmap_data);
getrow += (pixelmap -> gx_pixelmap_height * (rotated_clip.gx_rectangle_top - ypos));
getrow += (rotated_clip.gx_rectangle_left - xpos);
for (yval = rotated_clip.gx_rectangle_top; yval <= rotated_clip.gx_rectangle_bottom; yval++)
{
get = getrow;
for (xval = rotated_clip.gx_rectangle_left; xval <= rotated_clip.gx_rectangle_right; xval++)
{
color = (*get);
alpha_value = ALPHAVAL_32BPP(color);
if (alpha_value)
{
combined_alpha = alpha_value;
combined_alpha *= alpha;
combined_alpha /= 255;
if (combined_alpha)
{
color |= 0xff000000;
blend_func(context, xval, yval, color, (GX_UBYTE)combined_alpha);
}
}
get++;
}
getrow += pixelmap -> gx_pixelmap_height;
}
}
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _gx_display_driver_32bpp_rotated_palette_pixelmap_blend */
/* PORTABLE C */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* Internal helper function that handles writing of rotated */
/* uncompressed palette pixlemap data without transparent. */
/* */
/* INPUT */
/* */
/* context Drawing context */
/* xpos x-coord of top-left draw point*/
/* ypos y-coord of top-left draw point*/
/* pixelmap Pointer to GX_PIXELMAP struct */
/* alpha blending value 0 to 255 */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* _gx_display_driver_24xrgb_pixel_blend */
/* _gx_display_driver_32argb_pixel_blend */
/* */
/* CALLED BY */
/* */
/* _gx_display_driver_32bpp_rotated_pixelmap_blend */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */
/* */
/**************************************************************************/
static VOID _gx_display_driver_32bpp_rotated_palette_pixelmap_blend(GX_DRAW_CONTEXT *context,
INT xpos, INT ypos, GX_PIXELMAP *pixelmap, GX_UBYTE alpha)
{
INT xval;
INT yval;
GX_UBYTE *getrow;
GX_UBYTE *get;
GX_COLOR *palette;
GX_RECTANGLE *clip = context -> gx_draw_context_clip;
GX_RECTANGLE rotated_clip;
VOID (*blend_func)(GX_DRAW_CONTEXT *context, INT x, INT y, GX_COLOR fcolor, GX_UBYTE alpha);
GX_SET_BLEND_FUNCTION(blend_func, context -> gx_draw_context_display -> gx_display_color_format);
GX_SWAP_VALS(xpos, ypos);
if (context -> gx_draw_context_display -> gx_display_rotation_angle == GX_SCREEN_ROTATION_CW)
{
rotated_clip.gx_rectangle_left = clip -> gx_rectangle_top;
rotated_clip.gx_rectangle_right = clip -> gx_rectangle_bottom;
rotated_clip.gx_rectangle_top = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - clip -> gx_rectangle_right - 1);
rotated_clip.gx_rectangle_bottom = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - clip -> gx_rectangle_left - 1);
ypos = (context -> gx_draw_context_canvas -> gx_canvas_x_resolution - ypos - pixelmap -> gx_pixelmap_width);
}
else
{
rotated_clip.gx_rectangle_left = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - clip -> gx_rectangle_bottom - 1);
rotated_clip.gx_rectangle_right = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - clip -> gx_rectangle_top - 1);
rotated_clip.gx_rectangle_top = clip -> gx_rectangle_left;
rotated_clip.gx_rectangle_bottom = clip -> gx_rectangle_right;
xpos = (context -> gx_draw_context_canvas -> gx_canvas_y_resolution - xpos - pixelmap -> gx_pixelmap_height);
}
getrow = (GX_UBYTE *)(pixelmap -> gx_pixelmap_data);
getrow += pixelmap -> gx_pixelmap_height * (rotated_clip.gx_rectangle_top - ypos);
getrow += (rotated_clip.gx_rectangle_left - xpos);
palette = (GX_COLOR *)pixelmap -> gx_pixelmap_aux_data;
for (yval = rotated_clip.gx_rectangle_top; yval <= rotated_clip.gx_rectangle_bottom; yval++)
{
get = getrow;
for (xval = rotated_clip.gx_rectangle_left; xval <= rotated_clip.gx_rectangle_right; xval++)
{
blend_func(context, xval, yval, palette[*get++], alpha);
}
getrow += pixelmap -> gx_pixelmap_height;
}
}
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _gx_display_driver_32bpp_rotated_palette_pixelmap_transparent_blend */
/* */
/* PORTABLE C */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* Internal helper function that handles writing of rotated */
/* uncompressed palette pixlemap data with transparent. */
/* */
/* INPUT */
/* */
/* context Drawing context */
/* xpos x-coord of top-left draw point*/
/* ypos y-coord of top-left draw point*/
/* pixelmap Pointer to GX_PIXELMAP struct */
/* alpha blending value 0 to 255 */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* _gx_display_driver_24xrgb_pixel_blend */
/* _gx_display_driver_32argb_pixel_blend */
/* */
/* CALLED BY */
/* */
/* GUIX Internal Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */
/* */
/**************************************************************************/
static VOID _gx_display_driver_32bpp_rotated_palette_pixelmap_transparent_blend(GX_DRAW_CONTEXT *context,
INT xpos, INT ypos, GX_PIXELMAP *pixelmap, GX_UBYTE alpha)
{
INT xval;
INT yval;
GX_UBYTE *getrow;
GX_UBYTE *get;
GX_COLOR *palette;
GX_RECTANGLE *clip = context -> gx_draw_context_clip;
GX_RECTANGLE rotated_clip;
VOID (*blend_func)(GX_DRAW_CONTEXT *context, INT x, INT y, GX_COLOR fcolor, GX_UBYTE alpha);
GX_SET_BLEND_FUNCTION(blend_func, context -> gx_draw_context_display -> gx_display_color_format);
GX_SWAP_VALS(xpos, ypos);
if (context -> gx_draw_context_display -> gx_display_rotation_angle == GX_SCREEN_ROTATION_CW)
{
rotated_clip.gx_rectangle_left = clip -> gx_rectangle_top;
rotated_clip.gx_rectangle_right = clip -> gx_rectangle_bottom;
rotated_clip.gx_rectangle_top = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - clip -> gx_rectangle_right - 1);
rotated_clip.gx_rectangle_bottom = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - clip -> gx_rectangle_left - 1);
ypos = (context -> gx_draw_context_canvas -> gx_canvas_x_resolution - ypos - pixelmap -> gx_pixelmap_width);
}
else
{
rotated_clip.gx_rectangle_left = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - clip -> gx_rectangle_bottom - 1);
rotated_clip.gx_rectangle_right = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - clip -> gx_rectangle_top - 1);
rotated_clip.gx_rectangle_top = clip -> gx_rectangle_left;
rotated_clip.gx_rectangle_bottom = clip -> gx_rectangle_right;
xpos = (context -> gx_draw_context_canvas -> gx_canvas_y_resolution - xpos - pixelmap -> gx_pixelmap_height);
}
getrow = (GX_UBYTE *)(pixelmap -> gx_pixelmap_data);
getrow += pixelmap -> gx_pixelmap_height * (rotated_clip.gx_rectangle_top - ypos);
getrow += (rotated_clip.gx_rectangle_left - xpos);
palette = (GX_COLOR *)pixelmap -> gx_pixelmap_aux_data;
for (yval = rotated_clip.gx_rectangle_top; yval <= rotated_clip.gx_rectangle_bottom; yval++)
{
get = getrow;
for (xval = rotated_clip.gx_rectangle_left; xval <= rotated_clip.gx_rectangle_right; xval++)
{
if ((*get) != pixelmap -> gx_pixelmap_transparent_color)
{
blend_func(context, xval, yval, palette[*get], alpha);
}
get++;
}
getrow += pixelmap -> gx_pixelmap_height;
}
}
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _gx_display_driver_32bpp_rotated_4444argb_pixelmap_alpha_blend */
/* */
/* PORTABLE C */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* Internal helper function that handles writing of rotated */
/* uncompressed 4444argb format pixlemap data with alpha channel. */
/* */
/* INPUT */
/* */
/* context Drawing context */
/* xpos x-coord of top-left draw point*/
/* ypos y-coord of top-left draw point*/
/* pixelmap Pointer to GX_PIXELMAP struct */
/* alpha blending value 0 to 255 */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* _gx_display_driver_24xrgb_pixel_blend */
/* */
/* CALLED BY */
/* */
/* _gx_display_driver_32bpp_rotated_pixelmap_blend */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */
/* */
/**************************************************************************/
static VOID _gx_display_driver_32bpp_rotated_4444argb_pixelmap_alpha_blend(GX_DRAW_CONTEXT *context, INT xpos, INT ypos, GX_PIXELMAP *pixelmap, GX_UBYTE alpha)
{
INT xval;
INT yval;
USHORT *getrow;
GX_CONST USHORT *get;
UCHAR falpha;
GX_UBYTE combined_alpha;
ULONG pixel;
GX_RECTANGLE *clip = context -> gx_draw_context_clip;
GX_RECTANGLE rotated_clip;
VOID (*blend_func)(GX_DRAW_CONTEXT *context, INT x, INT y, GX_COLOR fcolor, GX_UBYTE alpha);
GX_SET_BLEND_FUNCTION(blend_func, context -> gx_draw_context_display -> gx_display_color_format);
GX_SWAP_VALS(xpos, ypos);
if (context -> gx_draw_context_display -> gx_display_rotation_angle == GX_SCREEN_ROTATION_CW)
{
rotated_clip.gx_rectangle_left = clip -> gx_rectangle_top;
rotated_clip.gx_rectangle_right = clip -> gx_rectangle_bottom;
rotated_clip.gx_rectangle_top = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - clip -> gx_rectangle_right - 1);
rotated_clip.gx_rectangle_bottom = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - clip -> gx_rectangle_left - 1);
ypos = (context -> gx_draw_context_canvas -> gx_canvas_x_resolution - ypos - pixelmap -> gx_pixelmap_width);
}
else
{
rotated_clip.gx_rectangle_left = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - clip -> gx_rectangle_bottom - 1);
rotated_clip.gx_rectangle_right = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - clip -> gx_rectangle_top - 1);
rotated_clip.gx_rectangle_top = clip -> gx_rectangle_left;
rotated_clip.gx_rectangle_bottom = clip -> gx_rectangle_right;
xpos = (context -> gx_draw_context_canvas -> gx_canvas_y_resolution - xpos - pixelmap -> gx_pixelmap_height);
}
/* Calculate how many pixels to skip. */
getrow = (USHORT *)(pixelmap -> gx_pixelmap_data);
getrow += pixelmap -> gx_pixelmap_height * (rotated_clip.gx_rectangle_top - ypos);
getrow += (rotated_clip.gx_rectangle_left - xpos);
for (yval = rotated_clip.gx_rectangle_top; yval <= rotated_clip.gx_rectangle_bottom; yval++)
{
get = getrow;
for (xval = rotated_clip.gx_rectangle_left; xval <= rotated_clip.gx_rectangle_right; xval++)
{
/* Pick alpha value from 4444argb color. */
falpha = (UCHAR)(((*get) & 0xf000) >> 8);
if (falpha)
{
/* Extend alpha value to improve accuracy. */
falpha = (GX_UBYTE)(falpha | (falpha >> 4));
/* Convert 4444argb color to 24xrgb color. */
pixel = (GX_COLOR)((((*get) & 0x0f00) << 12) | (((*get) & 0x00f0) << 8) | (((*get) & 0x000f) << 4));
pixel |= 0xff000000;
/* Calulate combined alpha. */
combined_alpha = (GX_UBYTE)(falpha * alpha / 255);
/* Blend color to background. */
blend_func(context, xval, yval, pixel, combined_alpha);
}
get++;
}
getrow += pixelmap -> gx_pixelmap_height;
}
}
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _gx_display_driver_32bpp_rotated_565rgb_pixelmap_alpha_blend */
/* */
/* PORTABLE C */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* Internal helper function that handles writing of rotated */
/* uncompressed 565rgb format pixelmap data with alpha channel. */
/* */
/* INPUT */
/* */
/* context Drawing context */
/* xpos x-coord of top-left draw point*/
/* ypos y-coord of top-left draw point*/
/* pixelmap Pointer to GX_PIXELMAP struct */
/* alpha blending value 0 to 255 */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* _gx_display_driver_24xrgb_pixel_blend */
/* _gx_display_driver_32argb_pixel_blend */
/* */
/* CALLED BY */
/* */
/* _gx_display_driver_32bpp_rotated_pixelmap_blend */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */
/* */
/**************************************************************************/
static VOID _gx_display_driver_32bpp_rotated_565rgb_pixelmap_alpha_blend(GX_DRAW_CONTEXT *context,
INT xpos, INT ypos, GX_PIXELMAP *pixelmap, GX_UBYTE alpha)
{
INT skipcount;
INT xval;
INT yval;
GX_CONST GX_UBYTE *getalpha;
GX_CONST USHORT *get;
USHORT *getrow;
GX_UBYTE *getrowalpha;
GX_COLOR pixel;
GX_UBYTE falpha;
GX_UBYTE combined_alpha;
GX_RECTANGLE *clip = context -> gx_draw_context_clip;
GX_RECTANGLE rotated_clip;
VOID (*blend_func)(GX_DRAW_CONTEXT *context, INT x, INT y, GX_COLOR fcolor, GX_UBYTE alpha);
GX_SET_BLEND_FUNCTION(blend_func, context -> gx_draw_context_display -> gx_display_color_format);
GX_SWAP_VALS(xpos, ypos);
if (context -> gx_draw_context_display -> gx_display_rotation_angle == GX_SCREEN_ROTATION_CW)
{
rotated_clip.gx_rectangle_left = clip -> gx_rectangle_top;
rotated_clip.gx_rectangle_right = clip -> gx_rectangle_bottom;
rotated_clip.gx_rectangle_top = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - clip -> gx_rectangle_right - 1);
rotated_clip.gx_rectangle_bottom = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - clip -> gx_rectangle_left - 1);
ypos = (context -> gx_draw_context_canvas -> gx_canvas_x_resolution - ypos - pixelmap -> gx_pixelmap_width);
}
else
{
rotated_clip.gx_rectangle_left = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - clip -> gx_rectangle_bottom - 1);
rotated_clip.gx_rectangle_right = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - clip -> gx_rectangle_top - 1);
rotated_clip.gx_rectangle_top = clip -> gx_rectangle_left;
rotated_clip.gx_rectangle_bottom = clip -> gx_rectangle_right;
xpos = (context -> gx_draw_context_canvas -> gx_canvas_y_resolution - xpos - pixelmap -> gx_pixelmap_height);
}
skipcount = (pixelmap -> gx_pixelmap_height) * (rotated_clip.gx_rectangle_top - ypos);
skipcount += (rotated_clip.gx_rectangle_left - xpos);
getrow = (USHORT *)(pixelmap -> gx_pixelmap_data);
getrow += skipcount;
getrowalpha = (GX_UBYTE *)(pixelmap -> gx_pixelmap_aux_data);
getrowalpha += skipcount;
for (yval = rotated_clip.gx_rectangle_top; yval <= rotated_clip.gx_rectangle_bottom; yval++)
{
get = getrow;
getalpha = getrowalpha;
for (xval = rotated_clip.gx_rectangle_left; xval <= rotated_clip.gx_rectangle_right; xval++)
{
falpha = *getalpha++;
if (falpha)
{
combined_alpha = (GX_UBYTE)(falpha * alpha / 255);
pixel = *get;
/* Convert 565rgb color to 24xrgb color. */
pixel = (GX_COLOR)ASSEMBLECOLOR_32ARGB(0xff,
REDVAL_16BPP(*get) << 3,
GREENVAL_16BPP(*get) << 2,
BLUEVAL_16BPP(*get) << 3);
/* Blend 24xrgb color to background. */
blend_func(context, xval, yval, pixel, combined_alpha);
}
get++;
}
getrow += pixelmap -> gx_pixelmap_height;
getrowalpha += pixelmap -> gx_pixelmap_height;
}
}
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _gx_display_driver_32bpp_rotated_565rgb_pixelmap_raw_blend */
/* PORTABLE C */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* Internal helper function that handles writing of rotated */
/* uncompressed 565rgb format pixlemap data without alpha channel. */
/* */
/* INPUT */
/* */
/* context Drawing context */
/* xpos x-coord of top-left draw point*/
/* ypos y-coord of top-left draw point*/
/* pixelmap Pointer to GX_PIXELMAP struct */
/* alpha blending value 0 to 255 */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* _gx_display_driver_24xrgb_pixel_blend */
/* _gx_display_driver_32argb_pixel_blend */
/* */
/* CALLED BY */
/* */
/* _gx_display_driver_32bpp_rotated_pixelmap_blend */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */
/* */
/**************************************************************************/
static VOID _gx_display_driver_32bpp_rotated_565rgb_pixelmap_raw_blend(GX_DRAW_CONTEXT *context, INT xpos, INT ypos, GX_PIXELMAP *pixelmap, GX_UBYTE alpha)
{
INT xval;
INT yval;
USHORT *getrow;
GX_CONST USHORT *get;
GX_COLOR pixel;
GX_RECTANGLE *clip = context -> gx_draw_context_clip;
GX_RECTANGLE rotated_clip;
VOID (*blend_func)(GX_DRAW_CONTEXT *context, INT x, INT y, GX_COLOR fcolor, GX_UBYTE alpha);
GX_SET_BLEND_FUNCTION(blend_func, context -> gx_draw_context_display -> gx_display_color_format);
GX_SWAP_VALS(xpos, ypos);
if (context -> gx_draw_context_display -> gx_display_rotation_angle == GX_SCREEN_ROTATION_CW)
{
rotated_clip.gx_rectangle_left = clip -> gx_rectangle_top;
rotated_clip.gx_rectangle_right = clip -> gx_rectangle_bottom;
rotated_clip.gx_rectangle_top = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - clip -> gx_rectangle_right - 1);
rotated_clip.gx_rectangle_bottom = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - clip -> gx_rectangle_left - 1);
ypos = (context -> gx_draw_context_canvas -> gx_canvas_x_resolution - ypos - pixelmap -> gx_pixelmap_width);
}
else
{
rotated_clip.gx_rectangle_left = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - clip -> gx_rectangle_bottom - 1);
rotated_clip.gx_rectangle_right = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - clip -> gx_rectangle_top - 1);
rotated_clip.gx_rectangle_top = clip -> gx_rectangle_left;
rotated_clip.gx_rectangle_bottom = clip -> gx_rectangle_right;
xpos = (context -> gx_draw_context_canvas -> gx_canvas_y_resolution - xpos - pixelmap -> gx_pixelmap_height);
}
getrow = (USHORT *)(pixelmap -> gx_pixelmap_data);
getrow += pixelmap -> gx_pixelmap_height * (rotated_clip.gx_rectangle_top - ypos);
getrow += (rotated_clip.gx_rectangle_left - xpos);
for (yval = rotated_clip.gx_rectangle_top; yval <= rotated_clip.gx_rectangle_bottom; yval++)
{
get = getrow;
for (xval = rotated_clip.gx_rectangle_left; xval <= rotated_clip.gx_rectangle_right; xval++)
{
/* Convert 565rgb color to 24xrgb color. */
pixel = (GX_COLOR)ASSEMBLECOLOR_32ARGB(0xff,
REDVAL_16BPP(*get) << 3,
GREENVAL_16BPP(*get) << 2,
BLUEVAL_16BPP(*get) << 3);
blend_func(context, xval, yval, pixel, alpha);
get++;
}
getrow += pixelmap -> gx_pixelmap_height;
}
}
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _gx_display_driver_32bpp_rotated_pixelmap_blend PORTABLE C */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* 24xrgb format screen driver pixelmap blending function that */
/* handles uncompressed pixelmap blend, with or without alpha channel. */
/* */
/* INPUT */
/* */
/* context Drawing context */
/* xpos x-coord of top-left draw point*/
/* ypos y-coord of top-left draw point*/
/* pixelmap Pointer to GX_PIXELMAP struct */
/* alpha blending value 0 to 255 */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* _gx_display_driver_32bpp_rotated_palette_pixelmap_transparent_blend */
/* _gx_display_driver_32bpp_rotated_palette_pixelmap_blend */
/* _gx_display_driver_32bpp_rotated_4444argb_pixelmap_alpha_blend */
/* _gx_display_driver_32bpp_rotated_565rgb_pixelmap_alpha_blend */
/* _gx_display_driver_32bpp_rotated_565rgb_pixelmap_raw_blend */
/* _gx_display_driver_32bpp_rotated_pixelmap_alpha_blend */
/* _gx_display_driver_32bpp_rotated_pixelmap_raw_blend */
/* */
/* CALLED BY */
/* */
/* GUIX Internal Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */
/* */
/**************************************************************************/
VOID _gx_display_driver_32bpp_rotated_pixelmap_blend(GX_DRAW_CONTEXT *context,
INT xpos, INT ypos, GX_PIXELMAP *pixelmap, GX_UBYTE alpha)
{
if (pixelmap -> gx_pixelmap_flags & GX_PIXELMAP_COMPRESSED)
{
return;
}
switch (pixelmap -> gx_pixelmap_format)
{
case GX_COLOR_FORMAT_8BIT_PALETTE:
if (pixelmap -> gx_pixelmap_flags & GX_PIXELMAP_TRANSPARENT)
{
_gx_display_driver_32bpp_rotated_palette_pixelmap_transparent_blend(context, xpos, ypos, pixelmap, alpha);
}
else
{
_gx_display_driver_32bpp_rotated_palette_pixelmap_blend(context, xpos, ypos, pixelmap, alpha);
}
break;
case GX_COLOR_FORMAT_4444ARGB:
_gx_display_driver_32bpp_rotated_4444argb_pixelmap_alpha_blend(context, xpos, ypos, pixelmap, alpha);
break;
case GX_COLOR_FORMAT_565RGB:
if (pixelmap -> gx_pixelmap_flags & GX_PIXELMAP_ALPHA)
{
_gx_display_driver_32bpp_rotated_565rgb_pixelmap_alpha_blend(context, xpos, ypos, pixelmap, alpha);
}
else
{
_gx_display_driver_32bpp_rotated_565rgb_pixelmap_raw_blend(context, xpos, ypos, pixelmap, alpha);
}
break;
case GX_COLOR_FORMAT_24XRGB:
case GX_COLOR_FORMAT_32ARGB:
if (pixelmap -> gx_pixelmap_flags & GX_PIXELMAP_ALPHA)
{
_gx_display_driver_32bpp_rotated_pixelmap_alpha_blend(context, xpos, ypos, pixelmap, alpha);
}
else
{
_gx_display_driver_32bpp_rotated_pixelmap_raw_blend(context, xpos, ypos, pixelmap, alpha);
}
break;
}
return;
}

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common/src/gx_display_driver_32bpp_rotated_pixelmap_draw.c Normal file
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common/src/gx_display_driver_32bpp_rotated_pixelmap_rotate.c Normal file
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/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** GUIX Component */
/** */
/** Display Management (Display) */
/** */
/**************************************************************************/
#define BYTE_RANGE(_c) _c > 255 ? 255 : _c
#define GX_SOURCE_CODE
/* Include necessary system files. */
#include "gx_api.h"
#include "gx_display.h"
#include "gx_context.h"
#include "gx_utility.h"
#include "gx_system.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _gx_display_driver_32bpp_rotated_pixelmap_raw_rotate */
/* */
/* PORTABLE C */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* Internal helper function that rotate an rotated uncompressed */
/* pixelmap without alpha. */
/* */
/* INPUT */
/* */
/* context Drawing context */
/* xpos x-coord of top-left draw point*/
/* ypos y-coord of top-left draw point*/
/* pixelmap Pointer to GX_PIXELMAP struct */
/* angle The angle to rotate */
/* cx x-coord of rotate center */
/* cy y-coord of rotate center */
/* */
/* OUTPUT */
/* */
/* status Completion status */
/* */
/* CALLS */
/* */
/* _gx_utility_math_cos Compute the cosine value */
/* _gx_utility_math_sin Compute the sine value */
/* [gx_display_driver_pixel_blend] Basic display driver pixel */
/* blend function */
/* */
/* CALLED BY */
/* */
/* _gx_display_driver_32bpp_rotated_pixelmap_rotate */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */
/* */
/**************************************************************************/
static VOID _gx_display_driver_32bpp_rotated_pixelmap_raw_rotate(GX_DRAW_CONTEXT *context, INT xpos, INT ypos, GX_PIXELMAP *pixelmap,
INT angle, INT cx, INT cy)
{
GX_COLOR *get;
INT srcxres;
INT srcyres;
INT cosv;
INT sinv;
INT alpha;
GX_COLOR red;
GX_COLOR green;
GX_COLOR blue;
INT idxminx;
INT idxmaxx;
INT idxmaxy;
INT *mx;
INT *my;
INT xres;
INT yres;
INT x;
INT y;
INT xx;
INT yy;
GX_COLOR a;
GX_COLOR b;
GX_COLOR c;
GX_COLOR d;
INT xdiff;
INT ydiff;
INT newxpos;
INT newypos;
GX_RECTANGLE *clip;
GX_RECTANGLE rotated_clip;
VOID (*blend_func)(GX_DRAW_CONTEXT *context, INT x, INT y, GX_COLOR fcolor, GX_UBYTE alpha);
GX_SET_BLEND_FUNCTION(blend_func, context -> gx_draw_context_display -> gx_display_color_format);
clip = context -> gx_draw_context_clip;
if (!blend_func)
{
return;
}
mx = _gx_system_scratchpad;
my = mx + 4;
mx[0] = mx[3] = -1;
mx[1] = mx[2] = 1;
my[0] = my[1] = 1;
my[2] = my[3] = -1;
idxminx = (angle / 90) & 0x3;
idxmaxx = (idxminx + 2) & 0x3;
idxmaxy = (idxminx + 1) & 0x3;
/* Calculate the source x and y center. */
srcxres = pixelmap -> gx_pixelmap_height >> 1;
srcyres = pixelmap -> gx_pixelmap_width >> 1;
GX_SWAP_VALS(xpos, ypos);
GX_SWAP_VALS(cx, cy);
if (context -> gx_draw_context_display -> gx_display_rotation_angle == GX_SCREEN_ROTATION_CW)
{
srcyres = pixelmap -> gx_pixelmap_width - 1 - srcyres;
ypos = context -> gx_draw_context_canvas -> gx_canvas_x_resolution - ypos - pixelmap -> gx_pixelmap_width;
cy = pixelmap -> gx_pixelmap_width - cy - 1;
rotated_clip.gx_rectangle_left = clip -> gx_rectangle_top;
rotated_clip.gx_rectangle_right = clip -> gx_rectangle_bottom;
rotated_clip.gx_rectangle_top = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - 1 - clip -> gx_rectangle_right);
rotated_clip.gx_rectangle_bottom = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - 1 - clip -> gx_rectangle_left);
}
else
{
srcxres = pixelmap -> gx_pixelmap_height - 1 - srcxres;
xpos = context -> gx_draw_context_canvas -> gx_canvas_y_resolution - xpos - pixelmap -> gx_pixelmap_height;
cx = pixelmap -> gx_pixelmap_height - cx - 1;
rotated_clip.gx_rectangle_left = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - 1 - clip -> gx_rectangle_bottom);
rotated_clip.gx_rectangle_right = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - 1 - clip -> gx_rectangle_top);
rotated_clip.gx_rectangle_top = clip -> gx_rectangle_left;
rotated_clip.gx_rectangle_bottom = clip -> gx_rectangle_right;
}
cosv = _gx_utility_math_cos(GX_FIXED_VAL_MAKE(angle));
sinv = _gx_utility_math_sin(GX_FIXED_VAL_MAKE(angle));
xres = mx[idxmaxx] * (srcxres + 2) * cosv - my[idxmaxx] * (srcyres + 2) * sinv;
yres = my[idxmaxy] * (srcyres + 2) * cosv + mx[idxmaxy] * (srcxres + 2) * sinv;
xres = GX_FIXED_VAL_TO_INT(xres);
yres = GX_FIXED_VAL_TO_INT(yres);
/* Calculate the new rotation axis. */
x = (cx - srcxres) * cosv - (cy - srcyres) * sinv;
y = (cy - srcyres) * cosv + (cx - srcxres) * sinv;
x = GX_FIXED_VAL_TO_INT(x) + xres;
y = GX_FIXED_VAL_TO_INT(y) + yres;
newxpos = xpos + cx - x;
newypos = ypos + cy - y;
/* Loop through the destination's pixels. */
for (y = rotated_clip.gx_rectangle_top - newypos; y <= rotated_clip.gx_rectangle_bottom - newypos; y++)
{
for (x = rotated_clip.gx_rectangle_left - newxpos; x <= rotated_clip.gx_rectangle_right - newxpos; x++)
{
xx = (x - xres) * cosv + (y - yres) * sinv;
yy = (y - yres) * cosv - (x - xres) * sinv;
xdiff = GX_FIXED_VAL_TO_INT(xx << 8) & 0xff;
ydiff = GX_FIXED_VAL_TO_INT(yy << 8) & 0xff;
xx = GX_FIXED_VAL_TO_INT(xx) + srcxres;
yy = GX_FIXED_VAL_TO_INT(yy) + srcyres;
if ((xx >= -1) && (xx < pixelmap -> gx_pixelmap_height) &&
(yy >= -1) && (yy < pixelmap -> gx_pixelmap_width))
{
if ((xx >= 0) && (xx < pixelmap -> gx_pixelmap_height - 1) &&
(yy >= 0) && (yy < pixelmap -> gx_pixelmap_width - 1))
{
get = (GX_COLOR *)pixelmap -> gx_pixelmap_data;
get += yy * pixelmap -> gx_pixelmap_height;
get += xx;
a = *get;
b = *(get + 1);
c = *(get + pixelmap -> gx_pixelmap_height);
d = *(get + pixelmap -> gx_pixelmap_height + 1);
alpha = 0xff;
}
else
{
get = (GX_COLOR *)pixelmap -> gx_pixelmap_data;
a = 0;
b = 0;
c = 0;
d = 0;
alpha = 0;
if (xx == -1)
{
/* Handle left edge. */
if (yy >= 0)
{
b = *(get + yy * pixelmap -> gx_pixelmap_height);
}
if (yy < pixelmap -> gx_pixelmap_width - 1)
{
d = *(get + (yy + 1) * pixelmap -> gx_pixelmap_height);
}
}
else if (yy == -1)
{
/* Handle top edge. */
c = *(get + xx);
if (xx < pixelmap -> gx_pixelmap_height - 1)
{
d = *(get + xx + 1);
}
}
else if (xx == pixelmap -> gx_pixelmap_height - 1)
{
/* Handle right edget. */
a = *(get + yy * pixelmap -> gx_pixelmap_height + xx);
if (yy < pixelmap -> gx_pixelmap_width - 1)
{
c = *(get + (yy + 1) * pixelmap -> gx_pixelmap_height + xx);
}
}
else
{
/* Handle bottom edge. */
a = *(get + yy * pixelmap -> gx_pixelmap_height + xx);
b = *(get + yy * pixelmap -> gx_pixelmap_height + xx + 1);
}
if (a)
{
alpha += (256 - xdiff) * (256 - ydiff);
}
if (b)
{
alpha += xdiff * (256 - ydiff);
}
if (c)
{
alpha += ydiff * (256 - xdiff);
}
if (d)
{
alpha += xdiff * ydiff;
}
alpha >>= 8;
}
red = (GX_COLOR)(REDVAL_24BPP(a) * (256 - (GX_COLOR)xdiff) * (256 - (GX_COLOR)ydiff) + \
REDVAL_24BPP(b) * (GX_COLOR)xdiff * (256 - (GX_COLOR)ydiff) + \
REDVAL_24BPP(c) * (GX_COLOR)ydiff * (256 - (GX_COLOR)xdiff) + \
REDVAL_24BPP(d) * (GX_COLOR)xdiff * (GX_COLOR)ydiff) >> 16;
green = (GX_COLOR)(GREENVAL_24BPP(a) * (256 - (GX_COLOR)xdiff) * (256 - (GX_COLOR)ydiff) + \
GREENVAL_24BPP(b) * (GX_COLOR)xdiff * (256 - (GX_COLOR)ydiff) + \
GREENVAL_24BPP(c) * (GX_COLOR)ydiff * (256 - (GX_COLOR)xdiff) + \
GREENVAL_24BPP(d) * (GX_COLOR)xdiff * (GX_COLOR)ydiff) >> 16;
blue = (GX_COLOR)(BLUEVAL_24BPP(a) * (256 - (GX_COLOR)xdiff) * (256 - (GX_COLOR)ydiff) + \
BLUEVAL_24BPP(b) * (GX_COLOR)xdiff * (256 - (GX_COLOR)ydiff) + \
BLUEVAL_24BPP(c) * (GX_COLOR)ydiff * (256 - (GX_COLOR)xdiff) + \
BLUEVAL_24BPP(d) * (GX_COLOR)xdiff * (GX_COLOR)ydiff) >> 16;
if ((alpha > 0) && (alpha < 0xff))
{
red = (red << 8) / (GX_COLOR)alpha;
green = (green << 8) / (GX_COLOR)alpha;
blue = (blue << 8) / (GX_COLOR)alpha;
}
red = BYTE_RANGE(red);
green = BYTE_RANGE(green);
blue = BYTE_RANGE(blue);
alpha = BYTE_RANGE(alpha);
blend_func(context, x + newxpos, y + newypos, ASSEMBLECOLOR_32ARGB((ULONG)0xff, red, green, blue), (GX_UBYTE)alpha);
}
}
}
}
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _gx_utility_32bppted_pixelmap_alpha_rotate PORTABLE C */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* Internal helper function that rotate an rotated uncompressed */
/* pixelmap with alpha. */
/* */
/* INPUT */
/* */
/* context Drawing context */
/* xpos x-coord of top-left draw point*/
/* ypos y-coord of top-left draw point*/
/* pixelmap Pointer to GX_PIXELMAP struct */
/* angle The angle to rotate */
/* cx x-coord of rotate center */
/* cy y-coord of rotate center */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* _gx_utility_math_cos Compute the cosine value */
/* _gx_utility_math_sin Compute the sine value */
/* [gx_display_driver_pixel_blend] Basic display driver pixel */
/* blend function */
/* */
/* CALLED BY */
/* */
/* _gx_display_driver_32bpp_rotated_pixelmap_rotate */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */
/* */
/**************************************************************************/
static VOID _gx_display_driver_32bpp_rotated_pixelmap_alpha_rotate(GX_DRAW_CONTEXT *context, INT xpos, INT ypos, GX_PIXELMAP *pixelmap,
INT angle, INT cx, INT cy)
{
GX_COLOR *get;
INT srcxres;
INT srcyres;
INT cosv;
INT sinv;
INT alpha;
GX_COLOR red;
GX_COLOR green;
GX_COLOR blue;
INT idxminx;
INT idxmaxx;
INT idxmaxy;
INT *mx;
INT *my;
INT xres;
INT yres;
INT x;
INT y;
INT xx;
INT yy;
GX_COLOR a;
GX_COLOR b;
GX_COLOR c;
GX_COLOR d;
INT xdiff;
INT ydiff;
INT newxpos;
INT newypos;
GX_RECTANGLE *clip;
GX_RECTANGLE rotated_clip;
VOID (*blend_func)(GX_DRAW_CONTEXT *context, INT x, INT y, GX_COLOR fcolor, GX_UBYTE alpha);
GX_SET_BLEND_FUNCTION(blend_func, context -> gx_draw_context_display -> gx_display_color_format);
clip = context -> gx_draw_context_clip;
if (!blend_func)
{
return;
}
mx = _gx_system_scratchpad;
my = mx + 4;
mx[0] = mx[3] = -1;
mx[1] = mx[2] = 1;
my[0] = my[1] = 1;
my[2] = my[3] = -1;
idxminx = (angle / 90) & 0x3;
idxmaxx = (idxminx + 2) & 0x3;
idxmaxy = (idxminx + 1) & 0x3;
/* Calculate the source x and y center. */
srcxres = pixelmap -> gx_pixelmap_height >> 1;
srcyres = pixelmap -> gx_pixelmap_width >> 1;
GX_SWAP_VALS(xpos, ypos);
GX_SWAP_VALS(cx, cy);
if (context -> gx_draw_context_display -> gx_display_rotation_angle == GX_SCREEN_ROTATION_CW)
{
srcyres = pixelmap -> gx_pixelmap_width - 1 - srcyres;
ypos = context -> gx_draw_context_canvas -> gx_canvas_x_resolution - ypos - pixelmap -> gx_pixelmap_width;
cy = pixelmap -> gx_pixelmap_width - cy - 1;
rotated_clip.gx_rectangle_left = clip -> gx_rectangle_top;
rotated_clip.gx_rectangle_right = clip -> gx_rectangle_bottom;
rotated_clip.gx_rectangle_top = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - 1 - clip -> gx_rectangle_right);
rotated_clip.gx_rectangle_bottom = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - 1 - clip -> gx_rectangle_left);
}
else
{
srcxres = pixelmap -> gx_pixelmap_height - 1 - srcxres;
xpos = context -> gx_draw_context_canvas -> gx_canvas_y_resolution - xpos - pixelmap -> gx_pixelmap_height;
cx = pixelmap -> gx_pixelmap_height - cx - 1;
rotated_clip.gx_rectangle_left = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - 1 - clip -> gx_rectangle_bottom);
rotated_clip.gx_rectangle_right = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - 1 - clip -> gx_rectangle_top);
rotated_clip.gx_rectangle_top = clip -> gx_rectangle_left;
rotated_clip.gx_rectangle_bottom = clip -> gx_rectangle_right;
}
cosv = _gx_utility_math_cos(GX_FIXED_VAL_MAKE(angle));
sinv = _gx_utility_math_sin(GX_FIXED_VAL_MAKE(angle));
xres = mx[idxmaxx] * (srcxres + 2) * cosv - my[idxmaxx] * (srcyres + 2) * sinv;
yres = my[idxmaxy] * (srcyres + 2) * cosv + mx[idxmaxy] * (srcxres + 2) * sinv;
xres = GX_FIXED_VAL_TO_INT(xres);
yres = GX_FIXED_VAL_TO_INT(yres);
x = GX_FIXED_VAL_TO_INT(xres) + xres;
y = GX_FIXED_VAL_TO_INT(yres) + yres;
newxpos = xpos + cx - x;
newypos = ypos + cy - y;
/* Loop through the source's pixels. */
for (y = rotated_clip.gx_rectangle_top - newypos; y <= rotated_clip.gx_rectangle_bottom - newypos; y++)
{
for (x = rotated_clip.gx_rectangle_left - newxpos; x <= rotated_clip.gx_rectangle_right - newxpos; x++)
{
xx = (x - xres) * cosv + (y - yres) * sinv;
yy = (y - yres) * cosv - (x - xres) * sinv;
xdiff = GX_FIXED_VAL_TO_INT(xx << 8) & 0xff;
ydiff = GX_FIXED_VAL_TO_INT(yy << 8) & 0xff;
xx = GX_FIXED_VAL_TO_INT(xx);
yy = GX_FIXED_VAL_TO_INT(yy);
xx += srcxres;
yy += srcyres;
if ((xx >= -1) && (xx < pixelmap -> gx_pixelmap_height) &&
(yy >= -1) && (yy < pixelmap -> gx_pixelmap_width))
{
if ((xx >= 0) && (xx < pixelmap -> gx_pixelmap_height - 1) && \
(yy >= 0) && (yy < pixelmap -> gx_pixelmap_width - 1))
{
get = (GX_COLOR *)pixelmap -> gx_pixelmap_data;
get += yy * pixelmap -> gx_pixelmap_height;
get += xx;
a = *get;
b = *(get + 1);
c = *(get + pixelmap -> gx_pixelmap_height);
d = *(get + pixelmap -> gx_pixelmap_height + 1);
}
else
{
get = (GX_COLOR *)pixelmap -> gx_pixelmap_data;
a = 0;
b = a;
c = a;
d = a;
if (xx == -1)
{
/* Handle left edge. */
if (yy >= 0)
{
b = *(get + yy * pixelmap -> gx_pixelmap_height);
}
if (yy < pixelmap -> gx_pixelmap_width - 1)
{
d = *(get + (yy + 1) * pixelmap -> gx_pixelmap_height);
}
}
else if (yy == -1)
{
/* Handle top edge. */
c = *(get + xx);
if (xx < pixelmap -> gx_pixelmap_height - 1)
{
d = *(get + xx + 1);
}
}
else if (xx == pixelmap -> gx_pixelmap_height - 1)
{
/* Handle right edget. */
a = *(get + yy * pixelmap -> gx_pixelmap_height + xx);
if (yy < pixelmap -> gx_pixelmap_width - 1)
{
c = *(get + (yy + 1) * pixelmap -> gx_pixelmap_height + xx);
}
}
else
{
/* Handle bottom edge. */
a = *(get + yy * pixelmap -> gx_pixelmap_height + xx);
b = *(get + yy * pixelmap -> gx_pixelmap_height + xx + 1);
}
}
red = (REDVAL_24BPP(a) * (a >> 24) * (256 - (GX_COLOR)xdiff) * (256 - (GX_COLOR)ydiff) + \
REDVAL_24BPP(b) * (b >> 24) * (GX_COLOR)xdiff * (256 - (GX_COLOR)ydiff) + \
REDVAL_24BPP(c) * (c >> 24) * (GX_COLOR)ydiff * (256 - (GX_COLOR)xdiff) + \
REDVAL_24BPP(d) * (d >> 24) * (GX_COLOR)xdiff * (GX_COLOR)ydiff) >> 16;
green = (GREENVAL_24BPP(a) * (a >> 24) * (256 - (GX_COLOR)xdiff) * (256 - (GX_COLOR)ydiff) + \
GREENVAL_24BPP(b) * (b >> 24) * (GX_COLOR)xdiff * (256 - (GX_COLOR)ydiff) + \
GREENVAL_24BPP(c) * (c >> 24) * (GX_COLOR)ydiff * (256 - (GX_COLOR)xdiff) + \
GREENVAL_24BPP(d) * (d >> 24) * (GX_COLOR)xdiff * (GX_COLOR)ydiff) >> 16;
blue = (BLUEVAL_24BPP(a) * (a >> 24) * (256 - (GX_COLOR)xdiff) * (256 - (GX_COLOR)ydiff) + \
BLUEVAL_24BPP(b) * (b >> 24) * (GX_COLOR)xdiff * (256 - (GX_COLOR)ydiff) + \
BLUEVAL_24BPP(c) * (c >> 24) * (GX_COLOR)ydiff * (256 - (GX_COLOR)xdiff) + \
BLUEVAL_24BPP(d) * (d >> 24) * (GX_COLOR)xdiff * (GX_COLOR)ydiff) >> 16;
alpha = (INT)(((a >> 24) * (256 - (GX_COLOR)xdiff) * (256 - (GX_COLOR)ydiff) + \
(b >> 24) * (GX_COLOR)xdiff * (256 - (GX_COLOR)ydiff) + \
(c >> 24) * (GX_COLOR)ydiff * (256 - (GX_COLOR)xdiff) + \
(d >> 24) * (GX_COLOR)xdiff * (GX_COLOR)ydiff) >> 16);
if (alpha)
{
red /= (UINT)alpha;
green /= (UINT)alpha;
blue /= (UINT)alpha;
}
red = BYTE_RANGE(red);
green = BYTE_RANGE(green);
blue = BYTE_RANGE(blue);
alpha = BYTE_RANGE(alpha);
blend_func(context, x + newxpos, y + newypos, (GX_COLOR)ASSEMBLECOLOR_32ARGB((ULONG)0xff, red, green, blue), (GX_UBYTE)alpha);
}
}
}
}
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _gx_display_driver_32bpp_rotated_pixelmap_simple_rotate */
/* */
/* PORTABLE C */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* Internal help function that hangles 90, 180 and 270 degree rotated */
/* pixelmap rotation. */
/* */
/* INPUT */
/* */
/* context Drawing context */
/* xpos x-coord of top-left draw point*/
/* ypos y-coord of top-left draw point*/
/* pixelmap Pointer to GX_PIXELMAP struct */
/* angle The angle to rotate */
/* cx x-coord of rotate center */
/* cy y-coord of rotate center */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* [gx_display_driver_pixel_blend] Basic display driver pixel */
/* blend function */
/* */
/* CALLED BY */
/* */
/* GUIX Internal Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */
/* */
/**************************************************************************/
static VOID _gx_display_driver_32bpp_rotated_pixelmap_simple_rotate(GX_DRAW_CONTEXT *context, INT xpos, INT ypos, GX_PIXELMAP *pixelmap,
INT angle, INT cx, INT cy)
{
GX_COLOR *putrow;
GX_COLOR *put;
GX_COLOR *get;
INT width;
INT height;
INT x;
INT y;
GX_RECTANGLE *clip;
GX_RECTANGLE rotated_clip;
INT newxpos;
INT newypos;
VOID (*blend_func)(GX_DRAW_CONTEXT *context, INT x, INT y, GX_COLOR fcolor, GX_UBYTE alpha);
GX_SET_BLEND_FUNCTION(blend_func, context -> gx_draw_context_display -> gx_display_color_format);
clip = context -> gx_draw_context_clip;
GX_SWAP_VALS(xpos, ypos);
GX_SWAP_VALS(cx, cy);
if (context -> gx_draw_context_display -> gx_display_rotation_angle == GX_SCREEN_ROTATION_CW)
{
ypos = context -> gx_draw_context_canvas -> gx_canvas_x_resolution - ypos - pixelmap -> gx_pixelmap_width;
cy = pixelmap -> gx_pixelmap_width - cy - 1;
rotated_clip.gx_rectangle_left = clip -> gx_rectangle_top;
rotated_clip.gx_rectangle_right = clip -> gx_rectangle_bottom;
rotated_clip.gx_rectangle_top = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - 1 - clip -> gx_rectangle_right);
rotated_clip.gx_rectangle_bottom = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - 1 - clip -> gx_rectangle_left);
}
else
{
xpos = context -> gx_draw_context_canvas -> gx_canvas_y_resolution - xpos - pixelmap -> gx_pixelmap_height;
cx = pixelmap -> gx_pixelmap_height - cx - 1;
rotated_clip.gx_rectangle_left = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - 1 - clip -> gx_rectangle_bottom);
rotated_clip.gx_rectangle_right = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - 1 - clip -> gx_rectangle_top);
rotated_clip.gx_rectangle_top = clip -> gx_rectangle_left;
rotated_clip.gx_rectangle_bottom = clip -> gx_rectangle_right;
}
if (angle == 90)
{
width = pixelmap -> gx_pixelmap_width;
height = pixelmap -> gx_pixelmap_height;
newxpos = xpos + cx - (width - 1 - cy);
newypos = ypos + cy - cx;
putrow = context -> gx_draw_context_memory;
putrow += rotated_clip.gx_rectangle_top * context -> gx_draw_context_pitch;
putrow += rotated_clip.gx_rectangle_left;
for (y = rotated_clip.gx_rectangle_top - newypos; y <= rotated_clip.gx_rectangle_bottom - newypos; y++)
{
put = putrow;
for (x = rotated_clip.gx_rectangle_left - newxpos; x <= rotated_clip.gx_rectangle_right - newxpos; x++)
{
get = (GX_COLOR *)pixelmap -> gx_pixelmap_data;
get += (width - 1 - x) * height;
get += y;
if (pixelmap -> gx_pixelmap_flags & GX_PIXELMAP_ALPHA)
{
blend_func(context, rotated_clip.gx_rectangle_left + x, rotated_clip.gx_rectangle_top + y, (*get) | 0xff000000, (GX_UBYTE)((*get) >> 24));
}
else
{
*put++ = *get;
}
}
putrow += context -> gx_draw_context_pitch;
}
}
else if (angle == 180)
{
width = pixelmap -> gx_pixelmap_height;
height = pixelmap -> gx_pixelmap_width;
newxpos = xpos + cx - (width - 1 - cx);
newypos = ypos + cy - (height - 1 - cy);
putrow = context -> gx_draw_context_memory;
putrow += rotated_clip.gx_rectangle_top * context -> gx_draw_context_pitch;
putrow += rotated_clip.gx_rectangle_left;
for (y = rotated_clip.gx_rectangle_top - newypos; y <= rotated_clip.gx_rectangle_bottom - newypos; y++)
{
put = putrow;
for (x = rotated_clip.gx_rectangle_left - newxpos; x <= rotated_clip.gx_rectangle_right - newxpos; x++)
{
get = (GX_COLOR *)pixelmap -> gx_pixelmap_data;
get += (height - 1 - y) * width;
get += width - 1 - x;
if (pixelmap -> gx_pixelmap_flags & GX_PIXELMAP_ALPHA)
{
blend_func(context, rotated_clip.gx_rectangle_left + x, rotated_clip.gx_rectangle_top + y, (*get) | 0xff000000, (GX_UBYTE)((*get) >> 24));
}
else
{
*put++ = *get;
}
}
putrow += context -> gx_draw_context_pitch;
}
}
else
{
width = pixelmap -> gx_pixelmap_width;
height = pixelmap -> gx_pixelmap_height;
newxpos = xpos + cx - cy;
newypos = ypos + cx - (height - 1 - cy);
putrow = context -> gx_draw_context_memory;
putrow += rotated_clip.gx_rectangle_top * context -> gx_draw_context_pitch;
putrow += rotated_clip.gx_rectangle_left;
for (y = rotated_clip.gx_rectangle_top - newypos; y <= rotated_clip.gx_rectangle_bottom - newypos; y++)
{
put = putrow;
for (x = rotated_clip.gx_rectangle_left - newxpos; x <= rotated_clip.gx_rectangle_right - newxpos; x++)
{
get = (GX_COLOR *)pixelmap -> gx_pixelmap_data;
get += x * height;
get += height - 1 - y;
if (pixelmap -> gx_pixelmap_flags & GX_PIXELMAP_ALPHA)
{
blend_func(context, rotated_clip.gx_rectangle_left + x, rotated_clip.gx_rectangle_top + y, (*get) | 0xff000000, (GX_UBYTE)((*get) >> 24));
}
else
{
*put++ = *get;
}
}
putrow += context -> gx_draw_context_pitch;
}
}
}
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _gx_display_driver_32bpp_rotated_pixelmap_rotate PORTABLE C */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This service rotate a rotated pixelmap directly to canvas memory. */
/* */
/* INPUT */
/* */
/* context Drawing context */
/* xpos x-coord of top-left draw point*/
/* ypos y-coord of top-left draw point*/
/* pixelmap Pointer to GX_PIXELMAP struct */
/* angle The angle to rotate */
/* rot_cx x-coord of rotating center. */
/* rot_cy y-coord of rotationg center. */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* _gx_display_driver_32bpp_rotated_pixelmap_simple_rotate */
/* _gx_display_driver_32bpp_rotated_pixelmap_alpha_rotate */
/* _gx_display_driver_32bpp_rotated_pixelmap_rotate */
/* */
/* CALLED BY */
/* */
/* GUIX Internal Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */
/* */
/**************************************************************************/
VOID _gx_display_driver_32bpp_rotated_pixelmap_rotate(GX_DRAW_CONTEXT *context, INT xpos, INT ypos, GX_PIXELMAP *pixelmap,
INT angle, INT rot_cx, INT rot_cy)
{
switch (pixelmap -> gx_pixelmap_format)
{
case GX_COLOR_FORMAT_24XRGB:
case GX_COLOR_FORMAT_32ARGB:
if (angle % 90 == 0)
{
/* Simple angle rotate: 90 degree, 180 degree and 270 degree. */
_gx_display_driver_32bpp_rotated_pixelmap_simple_rotate(context, xpos, ypos, pixelmap, angle, rot_cx, rot_cy);
}
else
{
if (pixelmap -> gx_pixelmap_flags & GX_PIXELMAP_ALPHA)
{
/* With alpha. */
_gx_display_driver_32bpp_rotated_pixelmap_alpha_rotate(context, xpos, ypos, pixelmap, angle, rot_cx, rot_cy);
}
else
{
/* Without alpha. */
_gx_display_driver_32bpp_rotated_pixelmap_raw_rotate(context, xpos, ypos, pixelmap, angle, rot_cx, rot_cy);
}
}
break;
}
return;
}

490
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/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** GUIX Component */
/** */
/** Display Management (Display) */
/** */
/**************************************************************************/
#define PIXEL_WRITE(loc, val) (*(loc) = (val))
#define GX_SOURCE_CODE
/* Include necessary system files. */
#include "gx_api.h"
#include "gx_utility.h"
#include "gx_display.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _gx_display_driver_32bpp_rotated_simple_line_draw PORTABLE C */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* Generic rotated 32bpp color format line draw function. */
/* */
/* INPUT */
/* */
/* context Drawing context */
/* xstart x-coord of endpoint */
/* ystart y-coord of endpoint */
/* xend x-coord of endpoint */
/* yend y-coord of endpoint */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* _gx_display_driver_simple_line_alpha_draw */
/* Basic display driver line */
/* alpha draw function */
/* */
/* CALLED BY */
/* */
/* GUIX Internal Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */
/* */
/**************************************************************************/
VOID _gx_display_driver_32bpp_rotated_simple_line_draw(GX_DRAW_CONTEXT *context, INT xstart, INT ystart, INT xend, INT yend)
{
INT curx;
INT cury;
INT x_sign;
INT y_sign;
INT decision;
INT nextx;
INT nexty;
INT y_increment;
GX_POINT end_point;
GX_POINT mid_point;
GX_RECTANGLE half_rectangle;
GX_RECTANGLE half_over;
INT sign;
INT steps;
ULONG *put;
ULONG *next_put;
GX_BOOL clipped = GX_TRUE;
INT dx;
INT dy;
GX_RECTANGLE *clip;
GX_RECTANGLE rotated_clip;
GX_COLOR linecolor = context -> gx_draw_context_brush.gx_brush_line_color;
#if defined GX_BRUSH_ALPHA_SUPPORT
GX_UBYTE alpha;
alpha = context -> gx_draw_context_brush.gx_brush_alpha;
if (alpha == 0)
{
/* Nothing to drawn. Just return. */
return;
}
if (alpha != 0xff)
{
_gx_display_driver_simple_line_alpha_draw(context, xstart, ystart, xend, yend, alpha);
return;
}
#endif
GX_SWAP_VALS(xstart, ystart);
GX_SWAP_VALS(xend, yend);
clip = context -> gx_draw_context_clip;
if (context -> gx_draw_context_display -> gx_display_rotation_angle == GX_SCREEN_ROTATION_CW)
{
ystart = context -> gx_draw_context_canvas -> gx_canvas_x_resolution - ystart - 1;
yend = context -> gx_draw_context_canvas -> gx_canvas_x_resolution - yend - 1;
rotated_clip.gx_rectangle_left = clip -> gx_rectangle_top;
rotated_clip.gx_rectangle_right = clip -> gx_rectangle_bottom;
rotated_clip.gx_rectangle_top = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - clip -> gx_rectangle_right - 1);
rotated_clip.gx_rectangle_bottom = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - clip -> gx_rectangle_left - 1);
}
else
{
xstart = context -> gx_draw_context_canvas -> gx_canvas_y_resolution - xstart - 1;
xend = context -> gx_draw_context_canvas -> gx_canvas_y_resolution - xend - 1;
rotated_clip.gx_rectangle_left = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - clip -> gx_rectangle_bottom - 1);
rotated_clip.gx_rectangle_right = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - clip -> gx_rectangle_top - 1);
rotated_clip.gx_rectangle_top = clip -> gx_rectangle_left;
rotated_clip.gx_rectangle_bottom = clip -> gx_rectangle_right;
}
dx = GX_ABS(xend - xstart);
dy = GX_ABS(yend - ystart);
if (((dx >= dy && (xstart > xend)) || ((dy > dx) && ystart > yend)))
{
GX_SWAP_VALS(xend, xstart);
GX_SWAP_VALS(yend, ystart);
}
x_sign = (xend - xstart) / dx;
y_sign = (yend - ystart) / dy;
if (y_sign > 0)
{
y_increment = context -> gx_draw_context_pitch;
}
else
{
y_increment = 0 - context -> gx_draw_context_pitch;
}
put = (ULONG *)(context -> gx_draw_context_memory) + ystart * context -> gx_draw_context_pitch + xstart;
next_put = (ULONG *)(context -> gx_draw_context_memory) + yend * context -> gx_draw_context_pitch + xend;
end_point.gx_point_x = (GX_VALUE)xstart;
end_point.gx_point_y = (GX_VALUE)ystart;
if (_gx_utility_rectangle_point_detect(&rotated_clip, end_point))
{
end_point.gx_point_x = (GX_VALUE)xend;
end_point.gx_point_y = (GX_VALUE)yend;
if (_gx_utility_rectangle_point_detect(&rotated_clip, end_point))
{
clipped = GX_FALSE;
}
}
if (clipped)
{
/* Here if we must do clipping in the inner loop, because one
or both of the end points are outside clipping rectangle. */
/* Calculate the middle point of the line. */
mid_point.gx_point_x = (GX_VALUE)(xend + xstart) >> 1;
mid_point.gx_point_y = (GX_VALUE)(yend + ystart) >> 1;
/* Judge the clip in which side. */
if (_gx_utility_rectangle_point_detect(&rotated_clip, mid_point))
{
/* The clip in two sides. */
if (dx >= dy)
{
/* Walk out the clipping point. */
for (curx = xstart, cury = ystart, decision = (dx >> 1); curx < mid_point.gx_point_x;
curx++, decision += dy)
{
if (decision >= dx)
{
decision -= dx;
cury += y_sign;
put += y_increment;
}
if (curx >= rotated_clip.gx_rectangle_left &&
cury >= rotated_clip.gx_rectangle_top &&
cury <= rotated_clip.gx_rectangle_bottom)
{
break;
}
put++;
}
for (; curx <= mid_point.gx_point_x;
curx++, decision += dy)
{
if (decision >= dx)
{
decision -= dx;
cury += y_sign;
put += y_increment;
}
PIXEL_WRITE(put, linecolor);
put++;
}
for (nextx = xend, nexty = yend, decision = (dx >> 1); nextx > mid_point.gx_point_x;
nextx--, decision += dy)
{
if (decision >= dx)
{
decision -= dx;
nexty -= y_sign;
next_put -= y_increment;
}
if (nextx <= rotated_clip.gx_rectangle_right &&
nexty >= rotated_clip.gx_rectangle_top &&
nexty <= rotated_clip.gx_rectangle_bottom)
{
break;
}
next_put--;
}
for (; nextx > mid_point.gx_point_x;
nextx--, decision += dy)
{
if (decision >= dx)
{
decision -= dx;
nexty -= y_sign;
next_put -= y_increment;
}
PIXEL_WRITE(next_put, linecolor);
next_put--;
}
}
else
{
for (nextx = xend, nexty = yend, decision = (dy >> 1); nexty > mid_point.gx_point_y;
nexty--, decision += dx)
{
if (decision >= dy)
{
decision -= dy;
nextx -= x_sign;
next_put -= x_sign;
}
if (nextx >= rotated_clip.gx_rectangle_left &&
nextx <= rotated_clip.gx_rectangle_right &&
nexty <= rotated_clip.gx_rectangle_bottom)
{
break;
}
next_put -= context -> gx_draw_context_pitch;
}
for (; nexty > mid_point.gx_point_y;
nexty--, decision += dx)
{
if (decision >= dy)
{
decision -= dy;
nextx -= x_sign;
next_put -= x_sign;
}
PIXEL_WRITE(next_put, linecolor);
next_put -= context -> gx_draw_context_pitch;
}
/* Walk out the clipping point. */
for (curx = xstart, cury = ystart, decision = (dy >> 1); cury < mid_point.gx_point_y;
cury++, decision += dx)
{
if (decision >= dy)
{
decision -= dy;
curx += x_sign;
put += x_sign;
}
if (curx >= rotated_clip.gx_rectangle_left &&
curx <= rotated_clip.gx_rectangle_right &&
cury >= rotated_clip.gx_rectangle_top)
{
break;
}
put += context -> gx_draw_context_pitch;
}
for (; cury <= mid_point.gx_point_y;
cury++, decision += dx)
{
if (decision >= dy)
{
decision -= dy;
curx += x_sign;
put += x_sign;
}
PIXEL_WRITE(put, linecolor);
put += context -> gx_draw_context_pitch;
}
}
}
else
{
/* The clip stay at one side. */
if (dx >= dy)
{
half_rectangle.gx_rectangle_left = (GX_VALUE)xstart;
half_rectangle.gx_rectangle_right = mid_point.gx_point_x;
if (y_sign == 1)
{
half_rectangle.gx_rectangle_top = (GX_VALUE)ystart;
half_rectangle.gx_rectangle_bottom = mid_point.gx_point_y;
}
else
{
half_rectangle.gx_rectangle_top = mid_point.gx_point_y;
half_rectangle.gx_rectangle_bottom = (GX_VALUE)ystart;
}
if (_gx_utility_rectangle_overlap_detect(&rotated_clip, &half_rectangle, &half_over))
{
curx = xstart;
cury = ystart;
steps = mid_point.gx_point_x - curx + 1;
sign = 1;
}
else
{
curx = xend;
cury = yend;
steps = xend - mid_point.gx_point_x;
sign = -1;
y_increment = 0 - y_increment;
y_sign = 0 - y_sign;
put = next_put;
}
for (decision = (dx >> 1); steps > 0; curx += sign, decision += dy, steps--)
{
if (decision >= dx)
{
decision -= dx;
cury += y_sign;
put += y_increment;
}
if (curx >= rotated_clip.gx_rectangle_left &&
curx <= rotated_clip.gx_rectangle_right &&
cury >= rotated_clip.gx_rectangle_top &&
cury <= rotated_clip.gx_rectangle_bottom)
{
PIXEL_WRITE(put, linecolor);
}
put += sign;
}
}
else
{
half_rectangle.gx_rectangle_top = (GX_VALUE)ystart;
half_rectangle.gx_rectangle_bottom = mid_point.gx_point_y;
if (x_sign == 1)
{
half_rectangle.gx_rectangle_right = mid_point.gx_point_x;
half_rectangle.gx_rectangle_left = (GX_VALUE)xstart;
}
else
{
half_rectangle.gx_rectangle_right = (GX_VALUE)xstart;
half_rectangle.gx_rectangle_left = mid_point.gx_point_x;
}
if (_gx_utility_rectangle_overlap_detect(&rotated_clip, &half_rectangle, &half_over))
{
curx = xstart;
cury = ystart;
steps = mid_point.gx_point_y - cury + 1;
y_increment = context -> gx_draw_context_pitch;
sign = 1;
}
else
{
curx = xend;
cury = yend;
steps = yend - mid_point.gx_point_y;
sign = -1;
y_increment = 0 - context -> gx_draw_context_pitch;
x_sign = 0 - x_sign;
put = next_put;
}
for (decision = (dy >> 1); steps > 0; cury += sign, decision += dx, steps--)
{
if (decision >= dy)
{
decision -= dy;
curx += x_sign;
put += x_sign;
}
if (curx >= rotated_clip.gx_rectangle_left &&
curx <= rotated_clip.gx_rectangle_right &&
cury >= rotated_clip.gx_rectangle_top &&
cury <= rotated_clip.gx_rectangle_bottom)
{
PIXEL_WRITE(put, linecolor);
}
put += y_increment;
}
}
}
}
else
{
/* Here if both line ends lie within clipping rectangle, we can
run a faster inner loop. */
if (dx >= dy)
{
put = (ULONG *)(context -> gx_draw_context_memory) + ystart * context -> gx_draw_context_pitch + xstart;
next_put = (ULONG *)(context -> gx_draw_context_memory) + yend * context -> gx_draw_context_pitch + xend;
for (curx = xstart, cury = ystart, nextx = xend, nexty = yend,
decision = (dx >> 1); curx <= nextx; curx++, nextx--,
decision += dy)
{
if (decision >= dx)
{
decision -= dx;
cury += y_sign;
nexty -= y_sign;
put += y_increment;
next_put -= y_increment;
}
PIXEL_WRITE(put, linecolor);
PIXEL_WRITE(next_put, linecolor);
put++;
next_put--;
}
}
else
{
for (curx = xstart, cury = ystart, nextx = xend, nexty = yend,
decision = (dy >> 1); cury <= nexty; cury++, nexty--,
decision += dx)
{
if (decision >= dy)
{
decision -= dy;
curx += x_sign;
nextx -= x_sign;
put += x_sign;
next_put -= x_sign;
}
PIXEL_WRITE(put, linecolor);
PIXEL_WRITE(next_put, linecolor);
put += context -> gx_draw_context_pitch;
next_put -= context -> gx_draw_context_pitch;
}
}
}
}

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/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** GUIX Component */
/** */
/** Display Management (Display) */
/** */
/**************************************************************************/
#define GX_SOURCE_CODE
/* Include necessary system files. */
#include "gx_api.h"
#include "gx_display.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _gx_display_driver_32bpp_rotated_vertical_line_draw PORTABLE C */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* Generic rotated vertical line draw function for 16bpp canvas. */
/* */
/* INPUT */
/* */
/* context Drawing context */
/* ystart y-coord of top endpoint */
/* yend y-coord of bottom endpoint */
/* xpos x-coord of left edge */
/* width width of the line */
/* color Color of line to write */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* _gx_display_driver_vertical_line_alpha_draw */
/* Basic display driver vertical */
/* line alpha draw function */
/* */
/* CALLED BY */
/* */
/* GUIX Internal Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */
/* */
/**************************************************************************/
VOID _gx_display_driver_32bpp_rotated_vertical_line_draw(GX_DRAW_CONTEXT *context, INT ystart, INT yend, INT xpos, INT width, GX_COLOR color)
{
INT row;
INT column;
ULONG *put;
ULONG *rowstart;
INT len = yend - ystart + 1;
#if defined GX_BRUSH_ALPHA_SUPPORT
GX_UBYTE alpha;
alpha = context -> gx_draw_context_brush.gx_brush_alpha;
if (alpha == 0)
{
/* Nothing to drawn. Just return. */
return;
}
if (alpha != 0xff)
{
_gx_display_driver_vertical_line_alpha_draw(context, ystart, yend, xpos, width, color, alpha);
return;
}
#endif
/* Pick up starting address of canvas memory. */
rowstart = (ULONG *)context -> gx_draw_context_memory;
if (context -> gx_draw_context_display -> gx_display_rotation_angle == GX_SCREEN_ROTATION_CW)
{
/* Calculate start of scanline. */
rowstart += (context -> gx_draw_context_canvas -> gx_canvas_x_resolution - xpos - 1) * context -> gx_draw_context_pitch;
/* Offset into starting pixel. */
rowstart += ystart;
}
else
{
rowstart += (xpos + width - 1) * context -> gx_draw_context_pitch;
rowstart += (context -> gx_draw_context_canvas -> gx_canvas_y_resolution - yend - 1);
}
/* Draw line width from left to right. */
for (column = 0; column < width; column++)
{
put = rowstart;
/* Draw line from top to bottom. */
for (row = 0; row < len; row++)
{
*put++ = (ULONG)color;
}
/* Advance to the next scaneline. */
rowstart -= context -> gx_draw_context_pitch;
}
}

135
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/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** GUIX Component */
/** */
/** Display Management (Display) */
/** */
/**************************************************************************/
#define GX_SOURCE_CODE
/* Include necessary system files. */
#include "gx_api.h"
#include "gx_display.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _gx_display_driver_32bpp_rotated_vertical_pattern_line_draw */
/* */
/* PORTABLE C */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* Generic rotated 32bpp color format vertical pattern line draw */
/* function. */
/* */
/* INPUT */
/* */
/* context Drawing context */
/* ystart y-coord of top endpoint */
/* yend y-coord of bottom endpoint */
/* xpos x-coord of left edge */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* GUIX Internal Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */
/* */
/**************************************************************************/
VOID _gx_display_driver_32bpp_rotated_vertical_pattern_line_draw(GX_DRAW_CONTEXT *context, INT ystart, INT yend, INT xpos)
{
INT row;
ULONG *put;
ULONG *rowstart;
ULONG pattern;
ULONG mask;
ULONG on_color;
ULONG off_color;
INT len = yend - ystart + 1;
/* Pick up starting address of canvas memory. */
rowstart = (ULONG *)context -> gx_draw_context_memory;
if (context -> gx_draw_context_display -> gx_display_rotation_angle == GX_SCREEN_ROTATION_CW)
{
/* Calculate start of scanline. */
rowstart += (context -> gx_draw_context_canvas -> gx_canvas_x_resolution - xpos - 1) * context -> gx_draw_context_pitch;
/* Offset into starting pixel. */
rowstart += ystart;
}
else
{
/* Calculate start of scanline. */
rowstart += xpos * context -> gx_draw_context_pitch;
/* Offset into starting pixel. */
rowstart += (context -> gx_draw_context_canvas -> gx_canvas_y_resolution - yend - 1);
}
/* Pick up the requested pattern and mask. */
pattern = context -> gx_draw_context_brush.gx_brush_line_pattern;
mask = context -> gx_draw_context_brush.gx_brush_pattern_mask;
on_color = (ULONG)context -> gx_draw_context_brush.gx_brush_line_color;
off_color = (ULONG)context -> gx_draw_context_brush.gx_brush_fill_color;
put = rowstart;
/* Draw line from top to bottom. */
for (row = 0; row < len; row++)
{
if (pattern & mask)
{
*put = on_color;
}
else
{
*put = off_color;
}
mask >>= 1;
if (!mask)
{
mask = 0x80000000;
}
/* Advance to the next scaneline. */
put++;
}
/* Save current masks value back to brush. */
context -> gx_draw_context_brush.gx_brush_pattern_mask = mask;
}

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/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** GUIX Component */
/** */
/** Display Management (Display) */
/** */
/**************************************************************************/
#define GX_SOURCE_CODE
/* Include necessary system files. */
#include "gx_api.h"
#include "gx_display.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _gx_display_driver_8bit_palette_rotated_setup PORTABLE C */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* 8-bit palettte color format display driver rotated setup routine. */
/* */
/* INPUT */
/* */
/* display The display control block */
/* aux_data Driver-defined auxiliary data */
/* toggle_function Driver-defined screen toggle */
/* function */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* GUIX Internal Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */
/* */
/**************************************************************************/
VOID _gx_display_driver_8bit_palette_rotated_setup(GX_DISPLAY *display, VOID *aux_data,
VOID (*toggle_function)(struct GX_CANVAS_STRUCT *canvas,
GX_RECTANGLE *dirty_area))
{
_gx_display_driver_8bit_palette_setup(display, aux_data, toggle_function);
#if defined(GX_MOUSE_SUPPORT)
display -> gx_display_mouse_capture = GX_NULL;
display -> gx_display_mouse_restore = GX_NULL;
display -> gx_display_mouse_capture = GX_NULL;
display -> gx_display_mouse_restore = GX_NULL;
display -> gx_display_mouse_draw = GX_NULL;
display -> gx_display_driver_drawing_initiate = GX_NULL;
display -> gx_display_driver_drawing_complete = GX_NULL;
display -> gx_display_mouse_position_set = GX_NULL;
display -> gx_display_mouse_enable = GX_NULL;
#endif
display -> gx_display_rotation_angle = GX_SCREEN_ROTATION_CW;
display -> gx_display_driver_canvas_copy = _gx_display_driver_8bpp_rotated_canvas_copy;
display -> gx_display_driver_simple_line_draw = _gx_display_driver_8bpp_rotated_simple_line_draw;
display -> gx_display_driver_horizontal_line_draw = _gx_display_driver_8bpp_rotated_horizontal_line_draw;
display -> gx_display_driver_vertical_line_draw = _gx_display_driver_8bpp_rotated_vertical_line_draw;
display -> gx_display_driver_horizontal_pattern_line_draw = _gx_display_driver_8bpp_rotated_horizontal_pattern_line_draw;
display -> gx_display_driver_horizontal_pixelmap_line_draw = _gx_display_driver_8bpp_rotated_horizontal_pixelmap_line_draw;
display -> gx_display_driver_vertical_pattern_line_draw = _gx_display_driver_8bpp_rotated_vertical_pattern_line_draw;
display -> gx_display_driver_pixel_write = _gx_display_driver_8bpp_rotated_pixel_write;
display -> gx_display_driver_block_move = _gx_display_driver_8bpp_rotated_block_move;
display -> gx_display_driver_pixelmap_draw = _gx_display_driver_8bpp_rotated_pixelmap_draw;
display -> gx_display_driver_pixelmap_rotate = _gx_display_driver_8bpp_rotated_pixelmap_rotate;
display -> gx_display_driver_polygon_fill = _gx_display_driver_generic_rotated_polygon_fill;
#if defined(GX_ARC_DRAWING_SUPPORT)
display -> gx_display_driver_circle_fill = _gx_display_driver_generic_rotated_circle_fill;
display -> gx_display_driver_pie_fill = _gx_display_driver_generic_rotated_pie_fill;
display -> gx_display_driver_arc_fill = _gx_display_driver_generic_rotated_arc_fill;
display -> gx_display_driver_ellipse_fill = _gx_display_driver_generic_rotated_ellipse_fill;
#endif
#if (GX_PALETTE_MODE_AA_TEXT_COLORS == 8)
display -> gx_display_driver_4bit_glyph_draw = _gx_display_driver_8bpp_rotated_glyph_3bit_draw;
#else
display -> gx_display_driver_4bit_glyph_draw = _gx_display_driver_8bpp_rotated_glyph_4bit_draw;
#endif
display -> gx_display_driver_1bit_glyph_draw = _gx_display_driver_8bpp_rotated_glyph_1bit_draw;
}

193
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/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** GUIX Component */
/** */
/** Display Management (Display) */
/** */
/**************************************************************************/
#define GX_SOURCE_CODE
/* Include necessary system files. */
#include "gx_api.h"
#include "gx_display.h"
#include "gx_system.h"
#include "gx_utility.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _gx_display_driver_8bpp_rotated_block_move PORTABLE C */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* 8-bit color format display driver rotated block moving function. */
/* */
/* INPUT */
/* */
/* context Draw context */
/* block The rectangle to be moved */
/* xshift Amount to move on X-axis */
/* yshift Amount to move on Y-axis */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* memmove Move a block of data */
/* */
/* CALLED BY */
/* */
/* GUIX Internal Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */
/* */
/**************************************************************************/
VOID _gx_display_driver_8bpp_rotated_block_move(GX_DRAW_CONTEXT *context,
GX_RECTANGLE *block, INT xshift, INT yshift)
{
GX_UBYTE *pGet;
GX_UBYTE *pPut;
int width;
int y;
int height;
GX_RECTANGLE rotated_block;
GX_SWAP_VALS(xshift, yshift);
if (context -> gx_draw_context_display -> gx_display_rotation_angle == GX_SCREEN_ROTATION_CW)
{
rotated_block.gx_rectangle_left = block -> gx_rectangle_top;
rotated_block.gx_rectangle_right = block -> gx_rectangle_bottom;
rotated_block.gx_rectangle_top = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - block -> gx_rectangle_right - 1);
rotated_block.gx_rectangle_bottom = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - block -> gx_rectangle_left - 1);
yshift = -yshift;
}
else
{
rotated_block.gx_rectangle_left = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - block -> gx_rectangle_bottom - 1);
rotated_block.gx_rectangle_right = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - block -> gx_rectangle_top - 1);
rotated_block.gx_rectangle_top = block -> gx_rectangle_left;
rotated_block.gx_rectangle_bottom = block -> gx_rectangle_right;
xshift = -xshift;
}
if (xshift)
{
if (xshift > 0)
{
pPut = (GX_UBYTE *)context -> gx_draw_context_memory;
pPut += rotated_block.gx_rectangle_top * context -> gx_draw_context_pitch;
pPut += rotated_block.gx_rectangle_left + xshift;
pGet = (GX_UBYTE *)context -> gx_draw_context_memory;
pGet += rotated_block.gx_rectangle_top * context -> gx_draw_context_pitch;
pGet += rotated_block.gx_rectangle_left;
width = rotated_block.gx_rectangle_right - rotated_block.gx_rectangle_left + 1 - xshift;
}
else
{
/* Have to copy from right to left. */
pPut = (GX_UBYTE *)context -> gx_draw_context_memory;
pPut += rotated_block.gx_rectangle_top * context -> gx_draw_context_pitch;
pPut += rotated_block.gx_rectangle_left;
pGet = (GX_UBYTE *)context -> gx_draw_context_memory;
pGet += rotated_block.gx_rectangle_top * context -> gx_draw_context_pitch;
pGet += rotated_block.gx_rectangle_left - xshift;
width = rotated_block.gx_rectangle_right - rotated_block.gx_rectangle_left + 1 + xshift;
}
if (width <= 0)
{
return;
}
for (y = rotated_block.gx_rectangle_top; y <= rotated_block.gx_rectangle_bottom; y++)
{
memmove(pPut, pGet, (size_t)width);
pPut += context -> gx_draw_context_pitch;
pGet += context -> gx_draw_context_pitch;
}
}
else
{
width = rotated_block.gx_rectangle_right - rotated_block.gx_rectangle_left + 1;
if (yshift > 0)
{
/* Have to copy from top to bottom. */
pPut = (GX_UBYTE *)context -> gx_draw_context_memory;
pPut += rotated_block.gx_rectangle_bottom * context -> gx_draw_context_pitch;
pPut += rotated_block.gx_rectangle_left;
pGet = (GX_UBYTE *)context -> gx_draw_context_memory;
pGet += (rotated_block.gx_rectangle_bottom - yshift) * context -> gx_draw_context_pitch;
pGet += rotated_block.gx_rectangle_left;
height = rotated_block.gx_rectangle_bottom - rotated_block.gx_rectangle_top + 1 - yshift;
for (y = 0; y < height; y++)
{
memmove(pPut, pGet, (size_t)width);
pPut -= context -> gx_draw_context_pitch;
pGet -= context -> gx_draw_context_pitch;
}
}
else
{
/* Have to copy from bottom to top. */
pPut = (GX_UBYTE *)context -> gx_draw_context_memory;
pPut += rotated_block.gx_rectangle_top * context -> gx_draw_context_pitch;
pPut += rotated_block.gx_rectangle_left;
pGet = (GX_UBYTE *)context -> gx_draw_context_memory;
pGet += (rotated_block.gx_rectangle_top - yshift) * context -> gx_draw_context_pitch;
pGet += rotated_block.gx_rectangle_left;
height = rotated_block.gx_rectangle_bottom - rotated_block.gx_rectangle_top + 1 + yshift;
for (y = 0; y < height; y++)
{
memmove(pPut, pGet, (size_t)width);
pPut += context -> gx_draw_context_pitch;
pGet += context -> gx_draw_context_pitch;
}
}
}
}

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/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** GUIX Component */
/** */
/** Display Management (Display) */
/** */
/**************************************************************************/
#define GX_SOURCE_CODE
/* Include necessary system files. */
#include "gx_api.h"
#include "gx_display.h"
#include "gx_utility.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _gx_display_driver_8bpp_rotated_canvas_copy PORTABLE C */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* Generic 8bpp rotated canvas copy function. */
/* */
/* INPUT */
/* */
/* canvas The canvas to copy from */
/* composite The canvas to copy to */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* _gx_utility_rectangle_shift Move the rectangle */
/* _gx_utility_rectangle_overlap_detect Detect two rectangles being */
/* overlap to each other */
/* memcpy Move canvas data */
/* */
/* CALLED BY */
/* */
/* GUIX Internal Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */
/* */
/**************************************************************************/
VOID _gx_display_driver_8bpp_rotated_canvas_copy(GX_CANVAS *canvas, GX_CANVAS *composite)
{
GX_RECTANGLE dirty;
GX_RECTANGLE overlap;
GX_UBYTE *read;
GX_UBYTE *write;
INT width;
INT row;
dirty.gx_rectangle_left = dirty.gx_rectangle_top = 0;
dirty.gx_rectangle_right = (GX_VALUE)(canvas -> gx_canvas_x_resolution - 1);
dirty.gx_rectangle_bottom = (GX_VALUE)(canvas -> gx_canvas_y_resolution - 1);
_gx_utility_rectangle_shift(&dirty, canvas -> gx_canvas_display_offset_x, canvas -> gx_canvas_display_offset_y);
if (_gx_utility_rectangle_overlap_detect(&dirty, &composite -> gx_canvas_dirty_area, &overlap))
{
width = overlap.gx_rectangle_bottom - overlap.gx_rectangle_top + 1;
read = (GX_UBYTE *)canvas -> gx_canvas_memory;
write = (GX_UBYTE *)composite -> gx_canvas_memory;
if (canvas -> gx_canvas_display -> gx_display_rotation_angle == GX_SCREEN_ROTATION_CW)
{
/* Index into starting row. */
read += (dirty.gx_rectangle_right - overlap.gx_rectangle_right) * canvas -> gx_canvas_y_resolution;
/* Index into pixel. */
read += overlap.gx_rectangle_top - dirty.gx_rectangle_top;
/* Calculate the write pointer. */
write += (composite -> gx_canvas_x_resolution - overlap.gx_rectangle_right - 1) * composite -> gx_canvas_y_resolution;
write += overlap.gx_rectangle_top;
}
else
{
/* Index into starting row. */
read += (overlap.gx_rectangle_left - dirty.gx_rectangle_left) * canvas -> gx_canvas_y_resolution;
/* Index into pixel. */
read += dirty.gx_rectangle_bottom - overlap.gx_rectangle_bottom;
/* Calculate the write pointer. */
write += overlap.gx_rectangle_left * composite -> gx_canvas_y_resolution;
write += (composite -> gx_canvas_y_resolution - overlap.gx_rectangle_bottom - 1);
}
for (row = overlap.gx_rectangle_left; row <= overlap.gx_rectangle_right; row++)
{
memcpy(write, read, (size_t)width); /* Use case of memcpy is verified. */
write += composite -> gx_canvas_y_resolution;
read += canvas -> gx_canvas_y_resolution;
}
}
}

241
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/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** GUIX Component */
/** */
/** Display Management (Display) */
/** */
/**************************************************************************/
#define GX_SOURCE_CODE
/* Include necessary system files. */
#include "gx_api.h"
#include "gx_system.h"
#include "gx_utility.h"
#include "gx_display.h"
#define DRAW_PIXEL if (alpha & mask) \
{ \
*put = text_color; \
} \
put++; \
mask = mask >> 1;
#if defined(GX_BRUSH_ALPHA_SUPPORT)
#define BLEND_PIXEL if (alpha & mask) \
{ \
blend_func(context, xval, yval, text_color, brush_alpha); \
} \
xval++; \
mask = mask >> 1;
#endif
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _gx_display_driver_8bpp_rotated_glyph_1bit_draw PORTABLE C */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function draws monochrome font to the 8bpp canvas, clipped */
/* to one viweport. */
/* */
/* INPUT */
/* */
/* context Draw context */
/* draw_area The region bound by the */
/* rectangle where the glyph */
/* is drawn */
/* map_offset X,Y offset into the glyph map */
/* glyph Pointer to the glyph */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* [gx_display_driver_pixel_blend] Basic display driver pixel */
/* blend function */
/* */
/* CALLED BY */
/* */
/* GUIX internal code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */
/* */
/**************************************************************************/
VOID _gx_display_driver_8bpp_rotated_glyph_1bit_draw(GX_DRAW_CONTEXT *context, GX_RECTANGLE *draw_area, GX_POINT *map_offset, GX_CONST GX_GLYPH *glyph)
{
GX_UBYTE *glyph_row;
GX_UBYTE *glyph_data;
UINT row;
UINT pixel_per_row;
UINT pixel_in_first_byte;
UINT pixel_in_last_byte = 0;
GX_UBYTE text_color;
UINT y_height;
GX_UBYTE alpha;
UINT glyph_width;
GX_UBYTE *put;
UINT num_bytes;
UINT num_bits;
GX_UBYTE *line_start;
GX_UBYTE mask, init_mask;
UINT i;
GX_VALUE rotated_map_offset_x;
GX_VALUE rotated_map_offset_y;
GX_VALUE rotated_draw_left;
GX_VALUE rotated_draw_top;
text_color = (GX_UBYTE)context -> gx_draw_context_brush.gx_brush_line_color;
pixel_per_row = (UINT)draw_area -> gx_rectangle_bottom - (UINT)draw_area -> gx_rectangle_top + (UINT)1;
y_height = (UINT)(draw_area -> gx_rectangle_right - draw_area -> gx_rectangle_left + 1);
/* Find the width of the glyph, in terms of bytes */
glyph_width = glyph -> gx_glyph_height;
/* Make it byte-aligned. */
glyph_width = (glyph_width + 7) >> 3;
if (context -> gx_draw_context_display -> gx_display_rotation_angle == GX_SCREEN_ROTATION_CW)
{
rotated_draw_left = draw_area -> gx_rectangle_top;
rotated_draw_top = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - draw_area -> gx_rectangle_right - 1);
rotated_map_offset_x = map_offset -> gx_point_y;
rotated_map_offset_y = (GX_VALUE)(glyph -> gx_glyph_width - map_offset -> gx_point_x - (GX_VALUE)y_height);
}
else
{
rotated_draw_left = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_display_offset_y - draw_area -> gx_rectangle_bottom - 1);
rotated_draw_top = draw_area -> gx_rectangle_left;
rotated_map_offset_x = (GX_VALUE)(glyph -> gx_glyph_height - map_offset -> gx_point_y - (GX_VALUE)pixel_per_row);
rotated_map_offset_y = map_offset -> gx_point_x;
}
/* Compute the number of useful bytes from the glyph this routine is going to use.
Because of map_offset, the first byte may contain pixel bits we don't need to draw;
And the width of the draw_area may produce part of the last byte in the row to be ignored. */
num_bytes = ((UINT)rotated_map_offset_x + pixel_per_row + 7) >> 3;
/* Take into account if map_offset specifies the number of bytes to ignore from the beginning of the row. */
num_bytes -= (UINT)(rotated_map_offset_x) >> 3;
/* Compute the number of pixels to draw from the first byte of the glyph data. */
pixel_in_first_byte = (UINT)(8 - (rotated_map_offset_x & 0x7));
init_mask = (GX_UBYTE)(1 << (pixel_in_first_byte - 1));
/* Compute the number of pixels to draw from the last byte, if there are more than one byte in a row. */
if (num_bytes != 1)
{
pixel_in_last_byte = (rotated_map_offset_x + (INT)pixel_per_row) & 0x7;
if (pixel_in_last_byte == 0)
{
pixel_in_last_byte = 8;
}
}
else
{
pixel_in_first_byte = pixel_per_row;
}
glyph_row = (GX_UBYTE *)glyph -> gx_glyph_map;
if (rotated_map_offset_y)
{
glyph_row = glyph_row + ((INT)glyph_width * rotated_map_offset_y);
}
glyph_row += (rotated_map_offset_x >> 3);
line_start = (GX_UBYTE *)context -> gx_draw_context_memory;
line_start += context -> gx_draw_context_pitch * rotated_draw_top;
line_start += rotated_draw_left;
for (row = 0; row < y_height; row++)
{
glyph_data = glyph_row;
alpha = *(glyph_data);
mask = init_mask;
num_bits = pixel_in_first_byte;
put = line_start;
for (i = 0; i < num_bytes; i++)
{
if ((i == (num_bytes - 1)) && (num_bytes > 1))
{
num_bits = pixel_in_last_byte;
}
switch (num_bits)
{
case 8:
DRAW_PIXEL;
/* fallthrough */
case 7:
DRAW_PIXEL;
/* fallthrough */
case 6:
DRAW_PIXEL;
/* fallthrough */
case 5:
DRAW_PIXEL;
/* fallthrough */
case 4:
DRAW_PIXEL;
/* fallthrough */
case 3:
DRAW_PIXEL;
/* fallthrough */
case 2:
DRAW_PIXEL;
/* fallthrough */
default:
if (alpha & mask)
{
*put = text_color;
}
put++;
break;
}
glyph_data++;
alpha = *(glyph_data);
num_bits = 8;
mask = 0x80;
}
glyph_row += glyph_width;
line_start += context -> gx_draw_context_pitch;
}
return;
}

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/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** GUIX Component */
/** */
/** Display Management (Display) */
/** */
/**************************************************************************/
#define GX_SOURCE_CODE
/* Include necessary system files. */
#include "gx_api.h"
#include "gx_system.h"
#include "gx_utility.h"
#include "gx_display.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _gx_display_driver_8bpp_rotated_glyph_3bit_draw PORTABLE C */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This draws the specified 3bit glyph using the current context, */
/* clipped to one viewport */
/* */
/* INPUT */
/* */
/* context Draw context */
/* draw_position The X and Y coordinate where */
/* the glyph is drawn to */
/* string String to draw */
/* count Count of string characters */
/* view view to clip drawing within */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* _gx_canvas_text_draw */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */
/* */
/**************************************************************************/
VOID _gx_display_driver_8bpp_rotated_glyph_3bit_draw(GX_DRAW_CONTEXT *context, GX_RECTANGLE *draw_area, GX_POINT *map_offset, GX_CONST GX_GLYPH *glyph)
{
GX_UBYTE *glyph_row;
GX_UBYTE *glyph_data;
UINT row;
UINT pixel_width = 0;
UINT leading_pixel;
UINT trailing_pixel;
GX_UBYTE text_color;
UINT y_height;
GX_UBYTE alpha;
UINT pitch;
UINT index;
GX_UBYTE *put;
GX_UBYTE *draw_start;
GX_VALUE rotated_map_offset_x;
GX_VALUE rotated_map_offset_y;
GX_VALUE rotated_left;
GX_VALUE rotated_top;
text_color = (GX_UBYTE)(context -> gx_draw_context_brush.gx_brush_line_color + 7);
pixel_width = (UINT)(draw_area -> gx_rectangle_bottom - draw_area -> gx_rectangle_top + 1);
y_height = (UINT)(draw_area -> gx_rectangle_right - draw_area -> gx_rectangle_left + 1);
if (context -> gx_draw_context_display -> gx_display_rotation_angle == GX_SCREEN_ROTATION_CW)
{
rotated_left = draw_area -> gx_rectangle_top;
rotated_top = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - draw_area -> gx_rectangle_right - 1);
rotated_map_offset_x = map_offset -> gx_point_y;
rotated_map_offset_y = (GX_VALUE)(glyph -> gx_glyph_width - map_offset -> gx_point_x - (GX_VALUE)y_height);
}
else
{
rotated_left = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_display_offset_y - draw_area -> gx_rectangle_bottom - 1);
rotated_top = draw_area -> gx_rectangle_left;
rotated_map_offset_x = (GX_VALUE)(glyph -> gx_glyph_height - map_offset -> gx_point_y - (GX_VALUE)pixel_width);
rotated_map_offset_y = map_offset -> gx_point_x;
}
leading_pixel = (rotated_map_offset_x & 1);
pixel_width -= leading_pixel;
trailing_pixel = pixel_width & 1;
pixel_width = pixel_width >> 1;
/* Find the width of the glyph. */
pitch = glyph -> gx_glyph_height;
/* Make it byte-aligned. */
pitch = (pitch + 1) >> 1;
glyph_row = (GX_UBYTE *)glyph -> gx_glyph_map;
if (rotated_map_offset_y)
{
glyph_row = glyph_row + ((INT)pitch * rotated_map_offset_y);
}
glyph_row += (rotated_map_offset_x >> 1);
draw_start = (GX_UBYTE *)context -> gx_draw_context_memory;
draw_start += context -> gx_draw_context_pitch * rotated_top;
draw_start += rotated_left;
for (row = 0; row < y_height; row++)
{
glyph_data = glyph_row;
put = draw_start;
if (leading_pixel)
{
alpha = (*glyph_data) & 0x0f;
/* use 3bit color gradient instead of 4 bit */
alpha >>= 1;
*put = (GX_UBYTE)(text_color - alpha);
put++;
glyph_data++;
}
for (index = 0; index < pixel_width; index++)
{
alpha = (*glyph_data) & 0xf0;
/* use 3bit color gradient instead of 4 bit */
alpha >>= 1;
*put = (GX_UBYTE)(text_color - (alpha >> 4));
put++;
alpha = (*glyph_data) & 0x0f;
/* use 3bit color gradient instead of 4 bit */
alpha >>= 1;
*put = (GX_UBYTE)(text_color - alpha);
put++;
glyph_data++;
}
if (trailing_pixel)
{
alpha = (*glyph_data) & 0xf0;
/* use 3bit color gradient instead of 4 bit */
alpha >>= 1;
*put = (GX_UBYTE)(text_color - (alpha >> 4));
put++;
}
glyph_row += pitch;
draw_start += context -> gx_draw_context_pitch;
}
}

184
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/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** GUIX Component */
/** */
/** Display Management (Display) */
/** */
/**************************************************************************/
#define GX_SOURCE_CODE
/* Include necessary system files. */
#include "gx_api.h"
#include "gx_system.h"
#include "gx_utility.h"
#include "gx_display.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _gx_display_driver_8bpp_rotated_glyph_4bit_draw PORTABLE C */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This draws the specified text using the current context, */
/* clipped to one viewport */
/* */
/* INPUT */
/* */
/* context Draw context */
/* draw_position The X and Y coordinate where */
/* the glyph is drawn to */
/* string String to draw */
/* count Count of string characters */
/* view view to clip drawing within */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* _gx_canvas_text_draw */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */
/* */
/**************************************************************************/
VOID _gx_display_driver_8bpp_rotated_glyph_4bit_draw(GX_DRAW_CONTEXT *context, GX_RECTANGLE *draw_area, GX_POINT *map_offset, GX_CONST GX_GLYPH *glyph)
{
GX_UBYTE *glyph_row;
GX_UBYTE *glyph_data;
UINT row;
UINT pixel_width = 0;
UINT leading_pixel;
UINT trailing_pixel;
GX_UBYTE text_color;
UINT y_height;
GX_UBYTE alpha;
UINT pitch;
UINT index;
GX_UBYTE *put;
GX_UBYTE *draw_start;
GX_VALUE rotated_map_offset_x;
GX_VALUE rotated_map_offset_y;
GX_VALUE rotated_left;
GX_VALUE rotated_top;
text_color = (GX_UBYTE)(context -> gx_draw_context_brush.gx_brush_line_color + 15);
pixel_width = (UINT)(draw_area -> gx_rectangle_bottom - draw_area -> gx_rectangle_top + 1);
y_height = (UINT)(draw_area -> gx_rectangle_right - draw_area -> gx_rectangle_left + 1);
if (context -> gx_draw_context_display -> gx_display_rotation_angle == GX_SCREEN_ROTATION_CW)
{
rotated_left = draw_area -> gx_rectangle_top;
rotated_top = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - draw_area -> gx_rectangle_right - 1);
rotated_map_offset_x = map_offset -> gx_point_y;
rotated_map_offset_y = (GX_VALUE)(glyph -> gx_glyph_width - map_offset -> gx_point_x - (GX_VALUE)y_height);
}
else
{
rotated_left = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_display_offset_y - draw_area -> gx_rectangle_bottom - 1);
rotated_top = draw_area -> gx_rectangle_left;
rotated_map_offset_x = (GX_VALUE)(glyph -> gx_glyph_height - map_offset -> gx_point_y - (GX_VALUE)pixel_width);
rotated_map_offset_y = map_offset -> gx_point_x;
}
leading_pixel = (rotated_map_offset_x & 1);
pixel_width -= leading_pixel;
trailing_pixel = pixel_width & 1;
pixel_width = pixel_width >> 1;
/* Find the width of the glyph. */
pitch = glyph -> gx_glyph_height;
/* Make it byte-aligned. */
pitch = (pitch + 1) >> 1;
glyph_row = (GX_UBYTE *)glyph -> gx_glyph_map;
if (rotated_map_offset_y)
{
glyph_row = glyph_row + ((INT)pitch * rotated_map_offset_y);
}
glyph_row += (rotated_map_offset_x >> 1);
draw_start = (GX_UBYTE *)context -> gx_draw_context_memory;
draw_start += context -> gx_draw_context_pitch * rotated_top;
draw_start += rotated_left;
for (row = 0; row < y_height; row++)
{
glyph_data = glyph_row;
put = draw_start;
if (leading_pixel)
{
alpha = (*glyph_data) & 0x0f;
*put = (GX_UBYTE)(text_color - alpha);
put++;
glyph_data++;
}
for (index = 0; index < pixel_width; index++)
{
alpha = (*glyph_data) & 0xf0;
*put = (GX_UBYTE)(text_color - (alpha >> 4));
put++;
alpha = (*glyph_data) & 0x0f;
*put = (GX_UBYTE)(text_color - alpha);
put++;
glyph_data++;
}
if (trailing_pixel)
{
alpha = (*glyph_data) & 0xf0;
*put = (GX_UBYTE)(text_color - (alpha >> 4));
put++;
}
glyph_row += pitch;
draw_start += context -> gx_draw_context_pitch;
}
}

106
common/src/gx_display_driver_8bpp_rotated_horizontal_line_draw.c Normal file
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/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** GUIX Component */
/** */
/** Display Management (Display) */
/** */
/**************************************************************************/
#define GX_SOURCE_CODE
/* Include necessary system files. */
#include "gx_api.h"
#include "gx_display.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _gx_display_driver_8bpp_rotated_horizontal_line_draw */
/* PORTABLE C */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* Generic 8bpp color format rotated horizontal line draw function. */
/* */
/* INPUT */
/* */
/* context Drawing context */
/* xstart x-coord of left endpoint */
/* xend x-coord of right endpoint */
/* ypos y-coord of line top */
/* width Width (height) of the line */
/* color Color of line to write */
/* */
/* OUTPUT */
/* */
/* NOne */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* GUIX Internal Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */
/* */
/**************************************************************************/
VOID _gx_display_driver_8bpp_rotated_horizontal_line_draw(GX_DRAW_CONTEXT *context, INT xstart, INT xend, INT ypos, INT width, GX_COLOR color)
{
INT row;
INT column;
GX_UBYTE *put;
GX_UBYTE *rowstart;
INT len = xend - xstart + 1;
/* Pick up start address of canvas memory. */
rowstart = (GX_UBYTE *)context -> gx_draw_context_memory;
/* Calculate start of row address. */
if (context -> gx_draw_context_display -> gx_display_rotation_angle == GX_SCREEN_ROTATION_CW)
{
rowstart += (context -> gx_draw_context_canvas -> gx_canvas_x_resolution - xstart - 1) * context -> gx_draw_context_pitch;
rowstart += ypos;
}
else
{
rowstart += xend * context -> gx_draw_context_pitch;
rowstart += (context -> gx_draw_context_canvas -> gx_canvas_y_resolution - ypos - width);
}
/* Draw one line, left to right. */
for (column = 0; column < len; column++)
{
put = rowstart;
/* Draw pixel to fill width. */
for (row = 0; row < width; row++)
{
*put++ = (GX_UBYTE)color;
}
rowstart -= context -> gx_draw_context_pitch;
}
}

131
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/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** GUIX Component */
/** */
/** Display Management (Display) */
/** */
/**************************************************************************/
#define GX_SOURCE_CODE
/* Include necessary system files. */
#include "gx_api.h"
#include "gx_display.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _gx_display_driver_8bpp_rotated_horizontal_pattern_line_draw */
/* PORTABLE C */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* Generic 8bpp color format rotated horizontal pattern line draw */
/* function. */
/* */
/* INPUT */
/* */
/* context Drawing context */
/* xstart x-coord of left endpoint */
/* xend x-coord of right endpoint */
/* ypos y-coord of line top */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* GUIX Internal Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */
/* */
/**************************************************************************/
VOID _gx_display_driver_8bpp_rotated_horizontal_pattern_line_draw(GX_DRAW_CONTEXT *context, INT xstart, INT xend, INT ypos)
{
INT column;
GX_UBYTE *put;
GX_UBYTE *rowstart;
ULONG pattern;
ULONG mask;
GX_UBYTE on_color;
GX_UBYTE off_color;
INT len = xend - xstart + 1;
/* Pick up start address of canvas memory. */
rowstart = (GX_UBYTE *)context -> gx_draw_context_memory;
/* Calculate start of row address. */
if (context -> gx_draw_context_display -> gx_display_rotation_angle == GX_SCREEN_ROTATION_CW)
{
rowstart += (context -> gx_draw_context_canvas -> gx_canvas_x_resolution - xstart - 1) * context -> gx_draw_context_pitch;
rowstart += ypos;
}
else
{
rowstart += xend * context -> gx_draw_context_pitch;
rowstart += (context -> gx_draw_context_canvas -> gx_canvas_y_resolution - ypos - 1);
}
/* Pick up the requested pattern and mask. */
pattern = context -> gx_draw_context_brush.gx_brush_line_pattern;
mask = context -> gx_draw_context_brush.gx_brush_pattern_mask;
on_color = (GX_UBYTE)context -> gx_draw_context_brush.gx_brush_line_color;
off_color = (GX_UBYTE)context -> gx_draw_context_brush.gx_brush_fill_color;
put = rowstart;
/* Draw one line, left to right. */
for (column = 0; column < len; column++)
{
if (pattern & mask)
{
*put = on_color;
}
else
{
*put = off_color;
}
put -= context -> gx_draw_context_pitch;
mask >>= 1;
if (!mask)
{
mask = 0x80000000;
}
}
/* Save current masks value back to brush. */
context -> gx_draw_context_brush.gx_brush_pattern_mask = mask;
}

602
common/src/gx_display_driver_8bpp_rotated_horizontal_pixelmap_line_draw.c Normal file
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/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** GUIX Component */
/** */
/** Display Management (Display) */
/** */
/**************************************************************************/
#define GX_SOURCE_CODE
/* Include necessary system files. */
#include "gx_api.h"
#include "gx_display.h"
#include "gx_context.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _gx_display_driver_8bpp_rotated_horizontal_pixelmap_line_raw_write */
/* PORTABLE C */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* Internal helper function that handles writing of uncompressed */
/* pixlemap file without alpha channel. */
/* */
/* INPUT */
/* */
/* context Drawing context */
/* xstart x-coord of line left */
/* xend x-coord of line right */
/* y y-coord of line top */
/* info GX_FILL_PIXELMAP_INFO struct */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* _gx_display_driver_8bpp_horizontal_pixelmap_line_draw */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */
/* */
/**************************************************************************/
static VOID _gx_display_driver_8bpp_rotated_horizontal_pixelmap_line_raw_write(GX_DRAW_CONTEXT *context,
INT xstart, INT xend, INT y, GX_FILL_PIXELMAP_INFO *info)
{
INT xval;
INT offset;
INT pic_width;
GX_CONST GX_UBYTE *get;
GX_UBYTE *put;
GX_PIXELMAP *pixelmap;
pixelmap = info -> pixelmap;
pic_width = pixelmap -> gx_pixelmap_height;
if ((info -> draw) && (xstart <= xend))
{
get = info -> current_pixel_ptr;
put = (GX_UBYTE *)context -> gx_draw_context_memory;
put += y * context -> gx_draw_context_pitch + xstart;
/* Calculate the map offset in x-axis. */
offset = (info -> x_offset % pic_width);
for (xval = xstart; xval <= xend; xval++)
{
/* get points to the start postion of this row. So we need to calculate its position. */
*put++ = *(get + offset);
offset++;
if (offset >= pic_width)
{
offset -= pic_width;
}
}
}
/* This line is drawn. Update the pointer position for next row. */
info -> current_pixel_ptr += (UINT)pic_width * sizeof(GX_UBYTE);
}
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _gx_display_driver_8bpp_rotated_horizontal_pixelmap_line_ */
/* compressed_write */
/* */
/* PORTABLE C */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* Internal helper function that handles writing of compressed */
/* pixlemap file. */
/* */
/* INPUT */
/* */
/* context Drawing context */
/* xstart x-coord of line left */
/* xend x-coord of line right */
/* y y-coord of line top */
/* info GX_FILL_PIXELMAP_INFO struct */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* _gx_display_driver_8bpp_horizontal_pixelmap_line_draw */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */
/* */
/**************************************************************************/
static VOID _gx_display_driver_8bpp_rotated_horizontal_pixelmap_line_compressed_write(GX_DRAW_CONTEXT *context,
INT xstart, INT xend, INT y, GX_FILL_PIXELMAP_INFO *info)
{
INT start_pos;
INT xval;
GX_UBYTE count;
GX_CONST GX_UBYTE *get = GX_NULL;
GX_UBYTE pixel;
GX_UBYTE *put;
GX_PIXELMAP *pixelmap;
pixelmap = info -> pixelmap;
if ((info -> draw) && (xstart <= xend))
{
/* Calculate draw start position. */
start_pos = xstart - (info -> x_offset % pixelmap -> gx_pixelmap_height);
put = (GX_UBYTE *)context -> gx_draw_context_memory;
put += y * context -> gx_draw_context_pitch + start_pos;
/*Repeat the draw operation to fill the whole dirty area.*/
while (start_pos <= xend)
{
xval = start_pos;
/*Start from where we need to repeat.*/
get = (GX_CONST GX_UBYTE *)info -> current_pixel_ptr;
while (xval < start_pos + pixelmap -> gx_pixelmap_width)
{
count = *get++;
if (count & 0x80)
{
count = (GX_UBYTE)((count & 0x7f) + 1);
pixel = *get++;
while (count--)
{
if (xval >= xstart && xval <= xend)
{
*put = pixel;
}
xval++;
put++;
}
}
else
{
count++;
while (count--)
{
pixel = *get++;
if (xval >= xstart && xval <= xend)
{
*put = pixel;
}
xval++;
put++;
}
}
}
start_pos += pixelmap -> gx_pixelmap_height;
}
}
else
{
xval = 0;
get = (GX_CONST GX_UBYTE *)info -> current_pixel_ptr;
while (xval < pixelmap -> gx_pixelmap_height)
{
count = *get++;
if (count & 0x80)
{
count = (GX_UBYTE)((count & 0x7f) + 1);
get++;
}
else
{
count++;
get += count;
}
xval += count;
}
}
/*This line is drawn. cache the pointer for next line draw.*/
info -> current_pixel_ptr = (GX_UBYTE *)get;
}
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _gx_display_driver_8bpp_rotated_horizontal_line_pixelmap_ */
/* transparent_write */
/* */
/* PORTABLE C */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* Internal helper function that handles writing of uncompressed */
/* pixlemap file with alpha channel. */
/* */
/* INPUT */
/* */
/* context Drawing context */
/* xstart x-coord of line left */
/* xend x-coord of line right */
/* y y-coord of line top */
/* info GX_FILL_PIXELMAP_INFO struct */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* _gx_display_driver_8bpp_horizontal_pixelmap_line_draw */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */
/* */
/**************************************************************************/
static VOID _gx_display_driver_8bpp_rotated_horizontal_pixelmap_line_transparent_write(GX_DRAW_CONTEXT *context,
INT xstart, INT xend, INT y, GX_FILL_PIXELMAP_INFO *info)
{
INT xval;
INT offset;
INT pic_width;
GX_CONST GX_UBYTE *get;
GX_UBYTE *put;
GX_PIXELMAP *pixelmap;
GX_UBYTE pixel;
pixelmap = info -> pixelmap;
pic_width = pixelmap -> gx_pixelmap_height;
if ((info -> draw) && (xstart <= xend))
{
get = info -> current_pixel_ptr;
put = (GX_UBYTE *)context -> gx_draw_context_memory;
put += y * context -> gx_draw_context_pitch + xstart;
/* Calculate the map offset in x-axis. */
offset = (info -> x_offset % pic_width);
for (xval = xstart; xval <= xend; xval++)
{
/* get points to the start postion of this row. So we need to calculate its position. */
pixel = *(get + offset);
offset++;
if (offset >= pic_width)
{
offset -= pic_width;
}
if (pixel != pixelmap -> gx_pixelmap_transparent_color)
{
*put = pixel;
}
put++;
}
}
/* This line is drawn. Update the pointer position for next row. */
info -> current_pixel_ptr += (UINT)pic_width * sizeof(GX_UBYTE);
}
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _gx_display_driver_8bpp_rotated_horizontal_pixelmap_line_ */
/* compressed_transparent_write */
/* */
/* PORTABLE C */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* Internal helper function that handles writing of compressed */
/* pixlemap file with alpha channel. */
/* */
/* INPUT */
/* */
/* context Drawing context */
/* xstart x-coord of line left */
/* xend x-coord of line right */
/* y y-coord of line top */
/* info GX_FILL_PIXELMAP_INFO struct */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* _gx_display_driver_8bpp_horizontal_pixelmap_line_draw */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */
/* */
/**************************************************************************/
static VOID _gx_display_driver_8bpp_rotated_horizontal_pixelmap_line_compressed_transparent_write(GX_DRAW_CONTEXT *context,
INT xstart, INT xend, INT y, GX_FILL_PIXELMAP_INFO *info)
{
INT start_pos;
INT xval;
GX_UBYTE count;
GX_CONST GX_UBYTE *get = GX_NULL;
GX_UBYTE pixel;
GX_UBYTE *put;
GX_PIXELMAP *pixelmap;
pixelmap = info -> pixelmap;
if ((info -> draw) && (xstart <= xend))
{
/* Calcualte draw start position. */
start_pos = xstart - (info -> x_offset % pixelmap -> gx_pixelmap_height);
put = (GX_UBYTE *)context -> gx_draw_context_memory;
put += y * context -> gx_draw_context_pitch + start_pos;
/*Repeat the draw operation to fill the whole dirty area.*/
while (start_pos <= xend)
{
xval = start_pos;
/*Start from where we need to repeat.*/
get = (GX_CONST GX_UBYTE *)info -> current_pixel_ptr;
while (xval < start_pos + pixelmap -> gx_pixelmap_height)
{
count = *get++;
if (count & 0x80)
{
count = (GX_UBYTE)((count & 0x7f) + 1);
pixel = *get++;
if (pixel != pixelmap -> gx_pixelmap_transparent_color)
{
while (count--)
{
if (xval >= xstart && xval <= xend)
{
*put = pixel;
}
xval++;
put++;
}
}
else
{
xval += count;
put += count;
}
}
else
{
count++;
while (count--)
{
pixel = *get++;
if (xval >= xstart && xval <= xend)
{
if (pixel != pixelmap -> gx_pixelmap_transparent_color)
{
*put = pixel;
}
}
xval++;
put++;
}
}
}
start_pos += pixelmap -> gx_pixelmap_height;
}
}
else
{
xval = 0;
get = (GX_CONST GX_UBYTE *)info -> current_pixel_ptr;
while (xval < pixelmap -> gx_pixelmap_height)
{
count = *get++;
if (count & 0x80)
{
count = (GX_UBYTE)((count & 0x7f) + 1);
get++;
}
else
{
count++;
get += count;
}
xval += count;
}
}
/* This line is drawn. cache the pointer for next line draw.*/
info -> current_pixel_ptr = (GX_UBYTE *)get;
}
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _gx_display_driver_8bpp_rotated_pixelmap_draw PORTABLE C */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* 8bit screen driver pixelmap drawing function that handles */
/* compressed or uncompress, with or without alpha channel. */
/* */
/* INPUT */
/* */
/* context Drawing context */
/* xstart x-coord of line left */
/* xend x-coord of line end */
/* y y-coord of line top */
/* info GX_FILL_PIXELMAP_INFO struct */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* _gx_display_driver_8bit_rotated_horizontal_pixelmap_line_raw_write */
/* _gx_display_driver_8bpp_rotated_horizontal_pixelmap_line_ */
/* compressed_write */
/* _gx_display_driver_8bpp_rotated_horizontal_pixelmap_line_ */
/* transparent_write */
/* _gx_display_driver_8bpp_rotated_horizontal_pixelmap_line_ */
/* compressed_transparent_write */
/* */
/* CALLED BY */
/* */
/* GUIX Internal Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */
/* */
/**************************************************************************/
VOID _gx_display_driver_8bpp_rotated_horizontal_pixelmap_line_draw(GX_DRAW_CONTEXT *context,
INT ystart, INT yend, INT x, GX_FILL_PIXELMAP_INFO *info)
{
INT xstart;
INT xend;
INT y;
if (info -> pixelmap == GX_NULL)
{
/* Nothing to drawn. Just return. */
return;
}
if (context -> gx_draw_context_display -> gx_display_rotation_angle == GX_SCREEN_ROTATION_CW)
{
xstart = ystart;
xend = yend;
y = context -> gx_draw_context_canvas -> gx_canvas_x_resolution - x - 1;
}
else
{
xstart = context -> gx_draw_context_canvas -> gx_canvas_y_resolution - yend - 1;
xend = context -> gx_draw_context_canvas -> gx_canvas_y_resolution - ystart - 1;
y = x;
info -> x_offset = (yend - ystart + 1 + info -> x_offset) % info -> pixelmap -> gx_pixelmap_height;
if (info -> x_offset)
{
info -> x_offset = info -> pixelmap -> gx_pixelmap_height - info -> x_offset;
}
}
if (info -> pixelmap == GX_NULL)
{
return;
}
if (info -> pixelmap -> gx_pixelmap_flags & GX_PIXELMAP_TRANSPARENT)
{
if (info -> pixelmap -> gx_pixelmap_flags & GX_PIXELMAP_COMPRESSED)
{
/* has both compression and transparent */
_gx_display_driver_8bpp_rotated_horizontal_pixelmap_line_compressed_transparent_write(context, xstart, xend, y, info);
}
else
{
/* transparent, no compression */
_gx_display_driver_8bpp_rotated_horizontal_pixelmap_line_transparent_write(context, xstart, xend, y, info);
}
}
else
{
if (info -> pixelmap -> gx_pixelmap_flags & GX_PIXELMAP_COMPRESSED)
{
/* compressed with no transparency */
_gx_display_driver_8bpp_rotated_horizontal_pixelmap_line_compressed_write(context, xstart, xend, y, info);
}
else
{
/* no compression or transaprency */
_gx_display_driver_8bpp_rotated_horizontal_pixelmap_line_raw_write(context, xstart, xend, y, info);
}
}
/*Current pixelmap has gone over, so the offset pointer should be reset.*/
if (info -> current_pixel_ptr >= info -> pixelmap -> gx_pixelmap_data + info -> pixelmap -> gx_pixelmap_data_size)
{
info -> current_pixel_ptr = (GX_UBYTE *)info -> pixelmap -> gx_pixelmap_data;
info -> current_aux_ptr = (GX_UBYTE *)info -> pixelmap -> gx_pixelmap_aux_data;
}
return;
}

92
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@ -0,0 +1,92 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** GUIX Component */
/** */
/** Display Management (Display) */
/** */
/**************************************************************************/
#define GX_SOURCE_CODE
/* Include necessary system files. */
#include "gx_api.h"
#include "gx_display.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _gx_display_driver_8bpp_rotated_pixel_write PORTABLE C */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* Generic 8bpp color format rotated pixel write function. */
/* */
/* INPUT */
/* */
/* context Drawing context */
/* x X coordinate */
/* y Y coordinate */
/* color Color of pixel to write */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* GUIX Internal Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */
/* */
/**************************************************************************/
VOID _gx_display_driver_8bpp_rotated_pixel_write(GX_DRAW_CONTEXT *context, INT x, INT y, GX_COLOR color)
{
GX_UBYTE *put = (GX_UBYTE *)context -> gx_draw_context_memory;
/* Calculate address of scan line. */
if (context -> gx_draw_context_display -> gx_display_rotation_angle == GX_SCREEN_ROTATION_CW)
{
put += context -> gx_draw_context_pitch * (context -> gx_draw_context_canvas -> gx_canvas_x_resolution - x - 1);
/* Step in by y coordinate. */
put += y;
}
else
{
put += context -> gx_draw_context_pitch * x;
/* Step in by y coordinate. */
put += (context -> gx_draw_context_canvas -> gx_canvas_y_resolution - y - 1);
}
/* write the pixel value */
*put = (GX_UBYTE)color;
}

646
common/src/gx_display_driver_8bpp_rotated_pixelmap_draw.c Normal file
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@ -0,0 +1,646 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** GUIX Component */
/** */
/** Display Management (Display) */
/** */
/**************************************************************************/
#define GX_SOURCE_CODE
/* Include necessary system files. */
#include "gx_api.h"
#include "gx_display.h"
#include "gx_context.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _gx_display_driver_8bpp_rotated_pixelmap_raw_write PORTABLE C */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* Internal helper function that handles writing of uncompressed */
/* pixlemap file without alpha channel. */
/* */
/* INPUT */
/* */
/* context Drawing context */
/* xpos x-coord of top-left draw point*/
/* ypos y-coord of top-left draw point*/
/* pixelmap Pointer to GX_PIXELMAP struct */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* GUIX Internal Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */
/* */
/**************************************************************************/
static VOID _gx_display_driver_8bpp_rotated_pixelmap_raw_write(GX_DRAW_CONTEXT *context,
INT xpos, INT ypos, GX_PIXELMAP *pixelmap)
{
INT xval;
INT yval;
GX_UBYTE *putrow;
GX_UBYTE *getrow;
GX_UBYTE *put;
GX_CONST GX_UBYTE *get;
GX_RECTANGLE *clip = context -> gx_draw_context_clip;
GX_RECTANGLE rotated_clip;
GX_SWAP_VALS(xpos, ypos);
if (context -> gx_draw_context_display -> gx_display_rotation_angle == GX_SCREEN_ROTATION_CW)
{
rotated_clip.gx_rectangle_left = clip -> gx_rectangle_top;
rotated_clip.gx_rectangle_right = clip -> gx_rectangle_bottom;
rotated_clip.gx_rectangle_top = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - clip -> gx_rectangle_right - 1);
rotated_clip.gx_rectangle_bottom = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - clip -> gx_rectangle_left - 1);
ypos = (context -> gx_draw_context_canvas -> gx_canvas_x_resolution - ypos - pixelmap -> gx_pixelmap_width);
}
else
{
rotated_clip.gx_rectangle_left = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - clip -> gx_rectangle_bottom - 1);
rotated_clip.gx_rectangle_right = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - clip -> gx_rectangle_top - 1);
rotated_clip.gx_rectangle_top = clip -> gx_rectangle_left;
rotated_clip.gx_rectangle_bottom = clip -> gx_rectangle_right;
xpos = (context -> gx_draw_context_canvas -> gx_canvas_y_resolution - xpos - pixelmap -> gx_pixelmap_height);
}
putrow = (GX_UBYTE *)context -> gx_draw_context_memory;
putrow += rotated_clip.gx_rectangle_top * context -> gx_draw_context_pitch;
putrow += rotated_clip.gx_rectangle_left;
getrow = (GX_UBYTE *)(pixelmap -> gx_pixelmap_data);
getrow += pixelmap -> gx_pixelmap_height * (rotated_clip.gx_rectangle_top - ypos);
getrow += (rotated_clip.gx_rectangle_left - xpos);
for (yval = rotated_clip.gx_rectangle_top; yval <= rotated_clip.gx_rectangle_bottom; yval++)
{
put = putrow;
get = getrow;
for (xval = rotated_clip.gx_rectangle_left; xval <= rotated_clip.gx_rectangle_right; xval++)
{
*put++ = *get++;
}
putrow += context -> gx_draw_context_pitch;
getrow += pixelmap -> gx_pixelmap_height;
}
}
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _gx_display_driver_8bpp_rotated_pixelmap_compressed_write */
/* PORTABLE C */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* Internal helper function that handles writing of compressed */
/* pixlemap file. */
/* */
/* INPUT */
/* */
/* context Drawing context */
/* xpos x-coord of top-left draw point*/
/* ypos y-coord of top-left draw point*/
/* pixelmap Pointer to GX_PIXELMAP struct */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* GUIX Internal Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */
/* */
/**************************************************************************/
static VOID _gx_display_driver_8bpp_rotated_pixelmap_compressed_write(GX_DRAW_CONTEXT *context,
INT xpos, INT ypos, GX_PIXELMAP *pixelmap)
{
INT yval;
INT xval;
GX_CONST GX_UBYTE *get;
GX_UBYTE *put;
GX_UBYTE *putrow;
GX_UBYTE count;
GX_UBYTE pixel = 0;
GX_RECTANGLE *clip = context -> gx_draw_context_clip;
GX_RECTANGLE rotated_clip;
GX_SWAP_VALS(xpos, ypos);
if (context -> gx_draw_context_display -> gx_display_rotation_angle == GX_SCREEN_ROTATION_CW)
{
rotated_clip.gx_rectangle_left = clip -> gx_rectangle_top;
rotated_clip.gx_rectangle_right = clip -> gx_rectangle_bottom;
rotated_clip.gx_rectangle_top = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - clip -> gx_rectangle_right - 1);
rotated_clip.gx_rectangle_bottom = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - clip -> gx_rectangle_left - 1);
ypos = (context -> gx_draw_context_canvas -> gx_canvas_x_resolution - ypos - pixelmap -> gx_pixelmap_width);
}
else
{
rotated_clip.gx_rectangle_left = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - clip -> gx_rectangle_bottom - 1);
rotated_clip.gx_rectangle_right = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - clip -> gx_rectangle_top - 1);
rotated_clip.gx_rectangle_top = clip -> gx_rectangle_left;
rotated_clip.gx_rectangle_bottom = clip -> gx_rectangle_right;
xpos = (context -> gx_draw_context_canvas -> gx_canvas_y_resolution - xpos - pixelmap -> gx_pixelmap_height);
}
get = (GX_CONST GX_UBYTE *)pixelmap -> gx_pixelmap_data;
/* First, skip to the starting row. */
for (yval = ypos; yval < rotated_clip.gx_rectangle_top; yval++)
{
xval = 0;
while (xval < pixelmap -> gx_pixelmap_height)
{
count = *get++;
if (count & 0x80)
{
count = (GX_UBYTE)((count & 0x7f) + 1);
/* Skip repeated pixel value. */
get++;
}
else
{
count++;
/* Skip raw pixel values. */
get += count;
}
xval += count;
}
}
/* Now we are on the first visible row, copy pixels until we get
to the end of the last visible row. */
putrow = (GX_UBYTE *)context -> gx_draw_context_memory;
putrow += yval * context -> gx_draw_context_pitch;
putrow += xpos;
while (yval <= rotated_clip.gx_rectangle_bottom)
{
put = putrow;
xval = xpos;
while (xval < (xpos + pixelmap -> gx_pixelmap_height))
{
count = *get++;
if (count & 0x80)
{
/* Repeated value. */
count = (GX_UBYTE)((count & 0x7f) + 1);
pixel = *get++;
while (count--)
{
if (xval >= rotated_clip.gx_rectangle_left &&
xval <= rotated_clip.gx_rectangle_right)
{
*put = pixel;
}
put++;
xval++;
}
}
else
{
/* String of non-repeated values. */
count++;
while (count--)
{
if (xval >= rotated_clip.gx_rectangle_left &&
xval <= rotated_clip.gx_rectangle_right)
{
*put = *get;
}
put++;
get++;
xval++;
}
}
}
putrow += context -> gx_draw_context_pitch;
yval++;
}
}
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _gx_display_driver_8bpp_rotated_pixelmap_transparent_write */
/* PORTABLE C */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* Internal helper function that handles writing of uncompressed */
/* pixlemap file with alpha channel. */
/* */
/* INPUT */
/* */
/* context Drawing context */
/* xpos x-coord of top-left draw point*/
/* ypos y-coord of top-left draw point*/
/* pixelmap Pointer to GX_PIXELMAP struct */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* GUIX Internal Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */
/* */
/**************************************************************************/
static VOID _gx_display_driver_8bpp_rotated_pixelmap_transparent_write(GX_DRAW_CONTEXT *context,
INT xpos, INT ypos, GX_PIXELMAP *pixelmap)
{
INT xval;
INT yval;
GX_UBYTE *putrow;
GX_UBYTE *getrow;
GX_UBYTE *put;
GX_UBYTE inval;
GX_CONST GX_UBYTE *get;
GX_RECTANGLE *clip = context -> gx_draw_context_clip;
GX_RECTANGLE rotated_clip;
GX_SWAP_VALS(xpos, ypos);
if (context -> gx_draw_context_display -> gx_display_rotation_angle == GX_SCREEN_ROTATION_CW)
{
rotated_clip.gx_rectangle_left = clip -> gx_rectangle_top;
rotated_clip.gx_rectangle_right = clip -> gx_rectangle_bottom;
rotated_clip.gx_rectangle_top = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - clip -> gx_rectangle_right - 1);
rotated_clip.gx_rectangle_bottom = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - clip -> gx_rectangle_left - 1);
ypos = (context -> gx_draw_context_canvas -> gx_canvas_x_resolution - ypos - pixelmap -> gx_pixelmap_width);
}
else
{
rotated_clip.gx_rectangle_left = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - clip -> gx_rectangle_bottom - 1);
rotated_clip.gx_rectangle_right = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - clip -> gx_rectangle_top - 1);
rotated_clip.gx_rectangle_top = clip -> gx_rectangle_left;
rotated_clip.gx_rectangle_bottom = clip -> gx_rectangle_right;
xpos = (context -> gx_draw_context_canvas -> gx_canvas_y_resolution - xpos - pixelmap -> gx_pixelmap_height);
}
putrow = (GX_UBYTE *)context -> gx_draw_context_memory;
putrow += rotated_clip.gx_rectangle_top * context -> gx_draw_context_pitch;
putrow += rotated_clip.gx_rectangle_left;
getrow = (GX_UBYTE *)(pixelmap -> gx_pixelmap_data);
getrow += pixelmap -> gx_pixelmap_height * (rotated_clip.gx_rectangle_top - ypos);
getrow += (rotated_clip.gx_rectangle_left - xpos);
for (yval = rotated_clip.gx_rectangle_top; yval <= rotated_clip.gx_rectangle_bottom; yval++)
{
put = putrow;
get = getrow;
for (xval = rotated_clip.gx_rectangle_left; xval <= rotated_clip.gx_rectangle_right; xval++)
{
inval = *get++;
if (inval == pixelmap -> gx_pixelmap_transparent_color)
{
put++;
}
else
{
*put++ = inval;
}
}
putrow += context -> gx_draw_context_pitch;
getrow += pixelmap -> gx_pixelmap_height;
}
}
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _gx_display_driver_8bpp_rotated_pixelmap_compressed_transparent_ */
/* write */
/* PORTABLE C */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* Internal helper function that handles writing of compressed */
/* pixlemap file with alpha channel. */
/* */
/* INPUT */
/* */
/* context Drawing context */
/* xpos x-coord of top-left draw point*/
/* ypos y-coord of top-left draw point*/
/* pixelmap Pointer to GX_PIXELMAP struct */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* GUIX Internal Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */
/* */
/**************************************************************************/
static VOID _gx_display_driver_8bpp_rotated_pixelmap_compressed_transparent_write(GX_DRAW_CONTEXT *context,
INT xpos, INT ypos, GX_PIXELMAP *pixelmap)
{
INT yval;
INT xval;
GX_CONST GX_UBYTE *get;
GX_UBYTE *put;
GX_UBYTE *putrow;
GX_UBYTE count;
GX_UBYTE pixel = 0;
GX_RECTANGLE *clip = context -> gx_draw_context_clip;
GX_RECTANGLE rotated_clip;
GX_SWAP_VALS(xpos, ypos);
if (context -> gx_draw_context_display -> gx_display_rotation_angle == GX_SCREEN_ROTATION_CW)
{
rotated_clip.gx_rectangle_left = clip -> gx_rectangle_top;
rotated_clip.gx_rectangle_right = clip -> gx_rectangle_bottom;
rotated_clip.gx_rectangle_top = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - clip -> gx_rectangle_right - 1);
rotated_clip.gx_rectangle_bottom = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - clip -> gx_rectangle_left - 1);
ypos = (context -> gx_draw_context_canvas -> gx_canvas_x_resolution - ypos - pixelmap -> gx_pixelmap_width);
}
else
{
rotated_clip.gx_rectangle_left = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - clip -> gx_rectangle_bottom - 1);
rotated_clip.gx_rectangle_right = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - clip -> gx_rectangle_top - 1);
rotated_clip.gx_rectangle_top = clip -> gx_rectangle_left;
rotated_clip.gx_rectangle_bottom = clip -> gx_rectangle_right;
xpos = (context -> gx_draw_context_canvas -> gx_canvas_y_resolution - xpos - pixelmap -> gx_pixelmap_height);
}
get = (GX_CONST GX_UBYTE *)pixelmap -> gx_pixelmap_data;
/* First, skip to the starting row. */
for (yval = ypos; yval < rotated_clip.gx_rectangle_top; yval++)
{
xval = 0;
while (xval < pixelmap -> gx_pixelmap_height)
{
count = *get++;
if (count & 0x80)
{
count = (GX_UBYTE)((count & 0x7f) + 1);
/* Skip repeated pixel value. */
get++;
}
else
{
count++;
/* Skip raw pixel values. */
get += count;
}
xval += count;
}
}
/* Now we are on the first visible row, copy pixels until we get
to the end of the last visible row. */
putrow = (GX_UBYTE *)context -> gx_draw_context_memory;
putrow += yval * context -> gx_draw_context_pitch;
putrow += xpos;
while (yval <= rotated_clip.gx_rectangle_bottom)
{
put = putrow;
xval = xpos;
while (xval < (xpos + pixelmap -> gx_pixelmap_height))
{
count = *get++;
if (count & 0x80)
{
/* Repeated value. */
count = (GX_UBYTE)((count & 0x7f) + 1);
pixel = *get++;
if (pixel == pixelmap -> gx_pixelmap_transparent_color)
{
put += count;
xval += count;
}
else
{
while (count--)
{
if (xval >= rotated_clip.gx_rectangle_left &&
xval <= rotated_clip.gx_rectangle_right)
{
*put = pixel;
}
put++;
xval++;
}
}
}
else
{
/* String of non-repeated values. */
count++;
while (count--)
{
pixel = *get++;
if (xval >= rotated_clip.gx_rectangle_left &&
xval <= rotated_clip.gx_rectangle_right &&
pixel != pixelmap -> gx_pixelmap_transparent_color)
{
*put = pixel;
}
put++;
xval++;
}
}
}
putrow += context -> gx_draw_context_pitch;
yval++;
}
}
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _gx_display_driver_8bpp_rotated_pixelmap_draw PORTABLE C */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* 8bit screen driver pixelmap drawing function that handles */
/* compressed or uncompress, with or without alpha channel. */
/* */
/* INPUT */
/* */
/* context Drawing context */
/* xpos x-coord of top-left draw point*/
/* ypos y-coord of top-left draw point*/
/* pixelmap Pointer to GX_PIXELMAP struct */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* _gx_display_driver_8bit_rotated_pixelmap_compressed_write */
/* _gx_display_driver_8bit_rotated_pixelmap_compressed_transparent_ */
/* write */
/* _gx_display_driver_8bit_rotated_pixelmap_transparent_write */
/* _gx_display_driver_8bit_rotated_pixelmap_raw_write */
/* */
/* CALLED BY */
/* */
/* GUIX Internal Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */
/* */
/**************************************************************************/
VOID _gx_display_driver_8bpp_rotated_pixelmap_draw(GX_DRAW_CONTEXT *context,
INT xpos, INT ypos, GX_PIXELMAP *pixelmap)
{
if (pixelmap -> gx_pixelmap_format != GX_COLOR_FORMAT_8BIT_PALETTE ||
(pixelmap -> gx_pixelmap_flags & GX_PIXELMAP_ALPHA))
{
/* Wrong color format for this driver. */
return;
}
if (pixelmap -> gx_pixelmap_flags & GX_PIXELMAP_TRANSPARENT)
{
if (pixelmap -> gx_pixelmap_flags & GX_PIXELMAP_COMPRESSED)
{
/* Has both compression and transparent. */
_gx_display_driver_8bpp_rotated_pixelmap_compressed_transparent_write(context, xpos, ypos, pixelmap);
}
else
{
/* Transparent, no compression. */
_gx_display_driver_8bpp_rotated_pixelmap_transparent_write(context, xpos, ypos, pixelmap);
}
}
else
{
if (pixelmap -> gx_pixelmap_flags & GX_PIXELMAP_COMPRESSED)
{
/* Compressed with no transparency. */
_gx_display_driver_8bpp_rotated_pixelmap_compressed_write(context, xpos, ypos, pixelmap);
}
else
{
/* No compression or transaprency. */
_gx_display_driver_8bpp_rotated_pixelmap_raw_write(context, xpos, ypos, pixelmap);
}
}
}

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@ -0,0 +1,789 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** GUIX Component */
/** */
/** Display Management (Display) */
/** */
/**************************************************************************/
#define GX_SOURCE_CODE
/* Include necessary system files. */
#include "gx_api.h"
#include "gx_display.h"
#include "gx_context.h"
#include "gx_utility.h"
#include "gx_system.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _gx_display_driver_8bpp_rotated_pixelmap_raw_rotate PORTABLE C */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* Internal helper function that rotate an uncompressed pixelmap */
/* without alpha. */
/* */
/* INPUT */
/* */
/* context Drawing context */
/* xpos x-coord of top-left draw point*/
/* ypos y-coord of top-left draw point*/
/* pixelmap Pointer to GX_PIXELMAP struct */
/* angle The angle to rotate */
/* cx x-coord of rotate center */
/* cy y-coord of rotate center */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* _gx_utility_math_cos Compute the cosine value */
/* _gx_utility_math_sin Compute the sine value */
/* */
/* CALLED BY */
/* */
/* _gx_display_driver_8bpp_pixelmap_rotate */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */
/* */
/**************************************************************************/
static VOID _gx_display_driver_8bpp_rotated_pixelmap_raw_rotate(GX_DRAW_CONTEXT *context, INT xpos, INT ypos, GX_PIXELMAP *pixelmap,
INT angle, INT cx, INT cy)
{
GX_UBYTE *putrow;
GX_UBYTE *put;
GX_UBYTE *get;
INT srcxres;
INT srcyres;
INT cosv;
INT sinv;
INT idxminx;
INT idxmaxx;
INT idxmaxy;
INT mx[] = {-1, 1, 1, -1};
INT my[] = {1, 1, -1, -1};
INT xres;
INT yres;
INT x;
INT y;
INT xx;
INT yy;
GX_RECTANGLE *clip;
GX_RECTANGLE rotated_clip;
INT newxpos;
INT newypos;
clip = context -> gx_draw_context_clip;
/* Set transparent color. */
idxminx = (angle / 90) & 0x3;
idxmaxx = (idxminx + 2) & 0x3;
idxmaxy = (idxminx + 1) & 0x3;
/* Calculate the source x and y center. */
srcxres = pixelmap -> gx_pixelmap_height >> 1;
srcyres = pixelmap -> gx_pixelmap_width >> 1;
GX_SWAP_VALS(xpos, ypos);
GX_SWAP_VALS(cx, cy);
if (context->gx_draw_context_display->gx_display_rotation_angle == GX_SCREEN_ROTATION_CW)
{
srcyres = pixelmap->gx_pixelmap_width - 1 - srcyres;
ypos = context->gx_draw_context_canvas->gx_canvas_x_resolution - ypos - pixelmap->gx_pixelmap_width;
cy = pixelmap->gx_pixelmap_width - cy - 1;
rotated_clip.gx_rectangle_left = clip->gx_rectangle_top;
rotated_clip.gx_rectangle_right = clip->gx_rectangle_bottom;
rotated_clip.gx_rectangle_top = (GX_VALUE)(context->gx_draw_context_canvas->gx_canvas_x_resolution - 1 - clip->gx_rectangle_right);
rotated_clip.gx_rectangle_bottom = (GX_VALUE)(context->gx_draw_context_canvas->gx_canvas_x_resolution - 1 - clip->gx_rectangle_left);
}
else
{
srcxres = pixelmap->gx_pixelmap_height - 1 - srcxres;
xpos = context->gx_draw_context_canvas->gx_canvas_y_resolution - xpos - pixelmap->gx_pixelmap_height;
cx = pixelmap->gx_pixelmap_height - cx - 1;
rotated_clip.gx_rectangle_left = (GX_VALUE)(context->gx_draw_context_canvas->gx_canvas_y_resolution - 1 - clip->gx_rectangle_bottom);
rotated_clip.gx_rectangle_right = (GX_VALUE)(context->gx_draw_context_canvas->gx_canvas_y_resolution - 1 - clip->gx_rectangle_top);
rotated_clip.gx_rectangle_top = clip->gx_rectangle_left;
rotated_clip.gx_rectangle_bottom = clip->gx_rectangle_right;
}
cosv = _gx_utility_math_cos(GX_FIXED_VAL_MAKE(angle));
sinv = _gx_utility_math_sin(GX_FIXED_VAL_MAKE(angle));
xres = GX_FIXED_VAL_TO_INT((mx[idxmaxx] * (srcxres + 2) * cosv - my[idxmaxx] * (srcyres + 2) * sinv));
yres = GX_FIXED_VAL_TO_INT((my[idxmaxy] * (srcyres + 2) * cosv + mx[idxmaxy] * (srcxres + 2) * sinv));
putrow = (GX_UBYTE *)context -> gx_draw_context_memory;
putrow += rotated_clip.gx_rectangle_top * context -> gx_draw_context_pitch;
putrow += rotated_clip.gx_rectangle_left;
/* Calculate the new rotation axis. */
x = GX_FIXED_VAL_TO_INT((cx - srcxres) * cosv - (cy - srcyres) * sinv);
y = GX_FIXED_VAL_TO_INT((cy - srcyres) * cosv + (cx - srcxres) * sinv);
x += xres;
y += yres;
newxpos = xpos + cx - x;
newypos = ypos + cy - y;
/* For every pixel in destination bitmap, find its position in source bitmap,
and set the pixel with the value in source bitmap. */
for (y = rotated_clip.gx_rectangle_top - newypos; y <= rotated_clip.gx_rectangle_bottom - newypos; y++)
{
put = putrow;
for (x = rotated_clip.gx_rectangle_left - newxpos; x <= rotated_clip.gx_rectangle_right - newxpos; x++)
{
xx = GX_FIXED_VAL_TO_INT((x - xres) * cosv + (y - yres) * sinv);
yy = GX_FIXED_VAL_TO_INT((y - yres) * cosv - (x - xres) * sinv);
xx += srcxres;
yy += srcyres;
if ((xx >= 0) && (xx < pixelmap -> gx_pixelmap_height) &&
(yy >= 0) && (yy < pixelmap -> gx_pixelmap_width))
{
get = (GX_UBYTE *)pixelmap -> gx_pixelmap_data;
get += yy * pixelmap -> gx_pixelmap_height;
get += xx;
*put = *get;
}
put++;
}
putrow += context -> gx_draw_context_pitch;
}
}
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _gx_display_driver_8bpp_rotated_pixelmap_transparent_rotate */
/* PORTABLE C */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* Internal helper function that rotate an uncompressed pixelmap */
/* without alpha. */
/* */
/* INPUT */
/* */
/* context Drawing context */
/* xpos x-coord of top-left draw point*/
/* ypos y-coord of top-left draw point*/
/* pixelmap Pointer to GX_PIXELMAP struct */
/* angle The angle to rotate */
/* cx x-coord of rotate center */
/* cy y-coord of rotate center */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* _gx_utility_math_cos Compute the cosine value */
/* _gx_utility_math_sin Compute the sine value */
/* */
/* CALLED BY */
/* */
/* GUIX Internal Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */
/* */
/**************************************************************************/
static VOID _gx_display_driver_8bpp_rotated_pixelmap_transparent_rotate(GX_DRAW_CONTEXT *context, INT xpos, INT ypos, GX_PIXELMAP *pixelmap,
INT angle, INT cx, INT cy)
{
GX_UBYTE *putrow;
GX_UBYTE *put;
GX_UBYTE *get;
INT srcxres;
INT srcyres;
INT cosv;
INT sinv;
INT idxminx;
INT idxmaxx;
INT idxmaxy;
INT mx[] = {-1, 1, 1, -1};
INT my[] = {1, 1, -1, -1};
INT xres;
INT yres;
INT x;
INT y;
INT xx;
INT yy;
GX_RECTANGLE *clip;
GX_RECTANGLE rotated_clip;
INT newxpos;
INT newypos;
clip = context -> gx_draw_context_clip;
/* Set transparent color. */
idxminx = (angle / 90) & 0x3;
idxmaxx = (idxminx + 2) & 0x3;
idxmaxy = (idxminx + 1) & 0x3;
/* Calculate the source x and y center. */
srcxres = pixelmap -> gx_pixelmap_height >> 1;
srcyres = pixelmap -> gx_pixelmap_width >> 1;
GX_SWAP_VALS(xpos, ypos);
GX_SWAP_VALS(cx, cy);
if (context->gx_draw_context_display->gx_display_rotation_angle == GX_SCREEN_ROTATION_CW)
{
srcyres = pixelmap->gx_pixelmap_width - 1 - srcyres;
ypos = context->gx_draw_context_canvas->gx_canvas_x_resolution - ypos - pixelmap->gx_pixelmap_width;
cy = pixelmap->gx_pixelmap_width - cy - 1;
rotated_clip.gx_rectangle_left = clip->gx_rectangle_top;
rotated_clip.gx_rectangle_right = clip->gx_rectangle_bottom;
rotated_clip.gx_rectangle_top = (GX_VALUE)(context->gx_draw_context_canvas->gx_canvas_x_resolution - 1 - clip->gx_rectangle_right);
rotated_clip.gx_rectangle_bottom = (GX_VALUE)(context->gx_draw_context_canvas->gx_canvas_x_resolution - 1 - clip->gx_rectangle_left);
}
else
{
srcxres = pixelmap->gx_pixelmap_height - 1 - srcxres;
xpos = context->gx_draw_context_canvas->gx_canvas_y_resolution - xpos - pixelmap->gx_pixelmap_height;
cx = pixelmap->gx_pixelmap_height - cx - 1;
rotated_clip.gx_rectangle_left = (GX_VALUE)(context->gx_draw_context_canvas->gx_canvas_y_resolution - 1 - clip->gx_rectangle_bottom);
rotated_clip.gx_rectangle_right = (GX_VALUE)(context->gx_draw_context_canvas->gx_canvas_y_resolution - 1 - clip->gx_rectangle_top);
rotated_clip.gx_rectangle_top = clip->gx_rectangle_left;
rotated_clip.gx_rectangle_bottom = clip->gx_rectangle_right;
}
cosv = _gx_utility_math_cos(GX_FIXED_VAL_MAKE(angle));
sinv = _gx_utility_math_sin(GX_FIXED_VAL_MAKE(angle));
xres = GX_FIXED_VAL_TO_INT((mx[idxmaxx] * (srcxres + 2) * cosv - my[idxmaxx] * (srcyres + 2) * sinv));
yres = GX_FIXED_VAL_TO_INT((my[idxmaxy] * (srcyres + 2) * cosv + mx[idxmaxy] * (srcxres + 2) * sinv));
putrow = (GX_UBYTE *)context -> gx_draw_context_memory;
putrow += rotated_clip.gx_rectangle_top * context -> gx_draw_context_pitch;
putrow += rotated_clip.gx_rectangle_left;
/* Calculate the new rotation axis. */
x = (cx - srcxres) * cosv - (cy - srcyres) * sinv;
y = (cy - srcyres) * cosv + (cx - srcxres) * sinv;
x = GX_FIXED_VAL_TO_INT(x) + xres;
y = GX_FIXED_VAL_TO_INT(y) + yres;
newxpos = xpos + cx - x;
newypos = ypos + cy - y;
/* For every pixel in destination bitmap, find its position in source bitmap,
and set the pixel with the value in source bitmap. */
for (y = rotated_clip.gx_rectangle_top - newypos; y <= rotated_clip.gx_rectangle_bottom - newypos; y++)
{
put = putrow;
for (x = rotated_clip.gx_rectangle_left - newxpos; x <= rotated_clip.gx_rectangle_right - newxpos; x++)
{
xx = GX_FIXED_VAL_TO_INT((x - xres) * cosv + (y - yres) * sinv);
yy = GX_FIXED_VAL_TO_INT((y - yres) * cosv - (x - xres) * sinv);
xx += srcxres;
yy += srcyres;
if ((xx >= 0) && (xx < pixelmap -> gx_pixelmap_height) &&
(yy >= 0) && (yy < pixelmap -> gx_pixelmap_width))
{
get = (GX_UBYTE *)pixelmap -> gx_pixelmap_data;
get += yy * pixelmap -> gx_pixelmap_height;
get += xx;
if ((*get) != pixelmap -> gx_pixelmap_transparent_color)
{
*put = *get;
}
}
put++;
}
putrow += context -> gx_draw_context_pitch;
}
}
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _gx_display_driver_8bpp_rotated_pixelmap_simple_rotate */
/* PORTABLE C */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* Internal help function that hangles 90, 180 and 270 degree pixelmap */
/* rotation. */
/* */
/* INPUT */
/* */
/* context Drawing context */
/* xpos x-coord of top-left draw point*/
/* ypos y-coord of top-left draw point*/
/* pixelmap Pointer to GX_PIXELMAP struct */
/* angle The angle to rotate */
/* cx x-coord of rotate center */
/* cy y-coord of rotate center */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* _gx_display_driver_8bpp_pixelmap_rotate */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */
/* */
/**************************************************************************/
static VOID _gx_display_driver_8bpp_rotated_pixelmap_simple_rotate(GX_DRAW_CONTEXT *context, INT xpos, INT ypos, GX_PIXELMAP *pixelmap,
INT angle, INT cx, INT cy)
{
GX_UBYTE *putrow;
GX_UBYTE *put;
GX_UBYTE *get;
INT width;
INT height;
INT x;
INT y;
GX_RECTANGLE *clip;
GX_RECTANGLE rotated_clip;
INT newxpos;
INT newypos;
clip = context->gx_draw_context_clip;
GX_SWAP_VALS(xpos, ypos);
GX_SWAP_VALS(cx, cy);
if (context->gx_draw_context_display->gx_display_rotation_angle == GX_SCREEN_ROTATION_CW)
{
ypos = context->gx_draw_context_canvas->gx_canvas_x_resolution - ypos - pixelmap->gx_pixelmap_width;
cy = pixelmap->gx_pixelmap_width - cy - 1;
rotated_clip.gx_rectangle_left = clip->gx_rectangle_top;
rotated_clip.gx_rectangle_right = clip->gx_rectangle_bottom;
rotated_clip.gx_rectangle_top = (GX_VALUE)(context->gx_draw_context_canvas->gx_canvas_x_resolution - 1 - clip->gx_rectangle_right);
rotated_clip.gx_rectangle_bottom = (GX_VALUE)(context->gx_draw_context_canvas->gx_canvas_x_resolution - 1 - clip->gx_rectangle_left);
}
else
{
xpos = context->gx_draw_context_canvas->gx_canvas_y_resolution - xpos - pixelmap->gx_pixelmap_height;
cx = pixelmap->gx_pixelmap_height - cx - 1;
rotated_clip.gx_rectangle_left = (GX_VALUE)(context->gx_draw_context_canvas->gx_canvas_y_resolution - 1 - clip->gx_rectangle_bottom);
rotated_clip.gx_rectangle_right = (GX_VALUE)(context->gx_draw_context_canvas->gx_canvas_y_resolution - 1 - clip->gx_rectangle_top);
rotated_clip.gx_rectangle_top = clip->gx_rectangle_left;
rotated_clip.gx_rectangle_bottom = clip->gx_rectangle_right;
}
if (angle == 90)
{
width = pixelmap -> gx_pixelmap_width;
height = pixelmap -> gx_pixelmap_height;
newxpos = xpos + cx - (width - 1 - cy);
newypos = ypos + cy - cx;
putrow = (GX_UBYTE *)context -> gx_draw_context_memory;
putrow += rotated_clip.gx_rectangle_top * context -> gx_draw_context_pitch;
putrow += rotated_clip.gx_rectangle_left;
for (y = rotated_clip.gx_rectangle_top - newypos; y <= rotated_clip.gx_rectangle_bottom - newypos; y++)
{
put = putrow;
for (x = rotated_clip.gx_rectangle_left - newxpos; x <= rotated_clip.gx_rectangle_right - newxpos; x++)
{
get = (GX_UBYTE *)pixelmap -> gx_pixelmap_data;
get += (width - 1 - x) * height;
get += y;
*put++ = *get;
}
putrow += context -> gx_draw_context_pitch;
}
}
else if (angle == 180)
{
width = pixelmap -> gx_pixelmap_height;
height = pixelmap -> gx_pixelmap_width;
newxpos = xpos + cx - (width - 1 - cx);
newypos = ypos + cy - (height - 1 - cy);
putrow = (GX_UBYTE *)context -> gx_draw_context_memory;
putrow += rotated_clip.gx_rectangle_top * context -> gx_draw_context_pitch;
putrow += rotated_clip.gx_rectangle_left;
for (y = rotated_clip.gx_rectangle_top - newypos; y <= rotated_clip.gx_rectangle_bottom - newypos; y++)
{
put = putrow;
for (x = rotated_clip.gx_rectangle_left - newxpos; x <= rotated_clip.gx_rectangle_right - newxpos; x++)
{
get = (GX_UBYTE *)pixelmap -> gx_pixelmap_data;
get += (height - 1 - y) * width;
get += width - 1 - x;
*put++ = *get;
}
putrow += context -> gx_draw_context_pitch;
}
}
else
{
width = pixelmap -> gx_pixelmap_width;
height = pixelmap -> gx_pixelmap_height;
newxpos = xpos + cx - cy;
newypos = ypos + cx - (height - 1 - cy);
putrow = (GX_UBYTE *)context -> gx_draw_context_memory;
putrow += rotated_clip.gx_rectangle_top * context -> gx_draw_context_pitch;
putrow += rotated_clip.gx_rectangle_left;
for (y = rotated_clip.gx_rectangle_top - newypos; y <= rotated_clip.gx_rectangle_bottom - newypos; y++)
{
put = putrow;
for (x = rotated_clip.gx_rectangle_left - newxpos; x <= rotated_clip.gx_rectangle_right - newxpos; x++)
{
get = (GX_UBYTE *)pixelmap -> gx_pixelmap_data;
get += x * height;
get += height - 1 - y;
*put++ = *get;
}
putrow += context -> gx_draw_context_pitch;
}
}
}
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _gx_display_driver_8bpp_rotated_pixelmap_simple_transparent_rotate */
/* PORTABLE C */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* Internal help function that hangles 90, 180 and 270 degree pixelmap */
/* rotation. */
/* */
/* INPUT */
/* */
/* context Drawing context */
/* xpos x-coord of top-left draw point*/
/* ypos y-coord of top-left draw point*/
/* pixelmap Pointer to GX_PIXELMAP struct */
/* angle The angle to rotate */
/* cx x-coord of rotate center */
/* cy y-coord of rotate center */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* _gx_display_driver_8bpp_pixelmap_rotate */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */
/* */
/**************************************************************************/
static VOID _gx_display_driver_8bpp_rotated_pixelmap_simple_transparent_rotate(GX_DRAW_CONTEXT *context, INT xpos, INT ypos, GX_PIXELMAP *pixelmap,
INT angle, INT cx, INT cy)
{
GX_UBYTE *putrow;
GX_UBYTE *put;
GX_UBYTE *get;
INT width;
INT height;
INT x;
INT y;
GX_RECTANGLE *clip;
GX_RECTANGLE rotated_clip;
INT newxpos;
INT newypos;
clip = context -> gx_draw_context_clip;
GX_SWAP_VALS(xpos, ypos);
GX_SWAP_VALS(cx, cy);
if (context->gx_draw_context_display->gx_display_rotation_angle == GX_SCREEN_ROTATION_CW)
{
ypos = context->gx_draw_context_canvas->gx_canvas_x_resolution - ypos - pixelmap->gx_pixelmap_width;
cy = pixelmap->gx_pixelmap_width - cy - 1;
rotated_clip.gx_rectangle_left = clip->gx_rectangle_top;
rotated_clip.gx_rectangle_right = clip->gx_rectangle_bottom;
rotated_clip.gx_rectangle_top = (GX_VALUE)(context->gx_draw_context_canvas->gx_canvas_x_resolution - 1 - clip->gx_rectangle_right);
rotated_clip.gx_rectangle_bottom = (GX_VALUE)(context->gx_draw_context_canvas->gx_canvas_x_resolution - 1 - clip->gx_rectangle_left);
}
else
{
xpos = context->gx_draw_context_canvas->gx_canvas_y_resolution - xpos - pixelmap->gx_pixelmap_height;
cx = pixelmap->gx_pixelmap_height - cx - 1;
rotated_clip.gx_rectangle_left = (GX_VALUE)(context->gx_draw_context_canvas->gx_canvas_y_resolution - 1 - clip->gx_rectangle_bottom);
rotated_clip.gx_rectangle_right = (GX_VALUE)(context->gx_draw_context_canvas->gx_canvas_y_resolution - 1 - clip->gx_rectangle_top);
rotated_clip.gx_rectangle_top = clip->gx_rectangle_left;
rotated_clip.gx_rectangle_bottom = clip->gx_rectangle_right;
}
if (angle == 90)
{
width = pixelmap -> gx_pixelmap_width;
height = pixelmap -> gx_pixelmap_height;
newxpos = xpos + cx - (width - 1 - cy);
newypos = ypos + cy - cx;
putrow = (GX_UBYTE *)context -> gx_draw_context_memory;
putrow += rotated_clip.gx_rectangle_top * context -> gx_draw_context_pitch;
putrow += rotated_clip.gx_rectangle_left;
for (y = rotated_clip.gx_rectangle_top - newypos; y <= rotated_clip.gx_rectangle_bottom - newypos; y++)
{
put = putrow;
for (x = rotated_clip.gx_rectangle_left - newxpos; x <= rotated_clip.gx_rectangle_right - newxpos; x++)
{
get = (GX_UBYTE *)pixelmap -> gx_pixelmap_data;
get += (width - 1 - x) * height;
get += y;
if ((*get) != pixelmap -> gx_pixelmap_transparent_color)
{
*put = *get;
}
put++;
}
putrow += context -> gx_draw_context_pitch;
}
}
else if (angle == 180)
{
width = pixelmap -> gx_pixelmap_height;
height = pixelmap -> gx_pixelmap_width;
newxpos = xpos + cx - (width - 1 - cx);
newypos = ypos + cy - (height - 1 - cy);
putrow = (GX_UBYTE *)context -> gx_draw_context_memory;
putrow += rotated_clip.gx_rectangle_top * context -> gx_draw_context_pitch;
putrow += rotated_clip.gx_rectangle_left;
for (y = rotated_clip.gx_rectangle_top - newypos; y <= rotated_clip.gx_rectangle_bottom - newypos; y++)
{
put = putrow;
for (x = rotated_clip.gx_rectangle_left - newxpos; x <= rotated_clip.gx_rectangle_right - newxpos; x++)
{
get = (GX_UBYTE *)pixelmap -> gx_pixelmap_data;
get += (height - 1 - y) * width;
get += width - 1 - x;
if ((*get) != pixelmap -> gx_pixelmap_transparent_color)
{
*put = *get;
}
put++;
}
putrow += context -> gx_draw_context_pitch;
}
}
else
{
width = pixelmap -> gx_pixelmap_width;
height = pixelmap -> gx_pixelmap_height;
newxpos = xpos + cx - cy;
newypos = ypos + cx - (height - 1 - cy);
putrow = (GX_UBYTE *)context -> gx_draw_context_memory;
putrow += rotated_clip.gx_rectangle_top * context -> gx_draw_context_pitch;
putrow += rotated_clip.gx_rectangle_left;
for (y = rotated_clip.gx_rectangle_top - newypos; y <= rotated_clip.gx_rectangle_bottom - newypos; y++)
{
put = putrow;
for (x = rotated_clip.gx_rectangle_left - newxpos; x <= rotated_clip.gx_rectangle_right - newxpos; x++)
{
get = (GX_UBYTE *)pixelmap -> gx_pixelmap_data;
get += x * height;
get += height - 1 - y;
if ((*get) != pixelmap -> gx_pixelmap_transparent_color)
{
*put = *get;
}
put++;
}
putrow += context -> gx_draw_context_pitch;
}
}
}
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _gx_display_driver_8bpp_rotated_pixelmap_rotate PORTABLE C */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This service rotate a pixelmap directly to canvas memory. */
/* */
/* INPUT */
/* */
/* context Drawing context */
/* xpos x-coord of top-left draw point*/
/* ypos y-coord of top-left draw point*/
/* pixelmap Pointer to GX_PIXELMAP struct */
/* angle The angle to rotate */
/* rot_cx x-coord of rotating center. */
/* rot_cy y-coord of rotationg center. */
/* */
/* OUTPUT */
/* */
/* status Completion status */
/* */
/* CALLS */
/* */
/* _gx_display_driver_8bpp_rotated_pixelmap_simple_transparent_rotate */
/* _gx_display_driver_8bpp_rotated_pixelmap_simple_rotate */
/* _gx_display_driver_8bpp_rotated_pixelmap_transparent_rotate */
/* _gx_display_driver_8bpp_rotated_pixelmap_raw_rotate */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* GUIX Internal Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */
/* */
/**************************************************************************/
VOID _gx_display_driver_8bpp_rotated_pixelmap_rotate(GX_DRAW_CONTEXT *context, INT xpos, INT ypos, GX_PIXELMAP *pixelmap,
INT angle, INT rot_cx, INT rot_cy)
{
if (angle % 90 == 0)
{
/* Simple angle rotate: 90 degree, 180 degree and 270 degree. */
if (pixelmap -> gx_pixelmap_flags & GX_PIXELMAP_TRANSPARENT)
{
_gx_display_driver_8bpp_rotated_pixelmap_simple_transparent_rotate(context, xpos, ypos, pixelmap, angle, rot_cx, rot_cy);
}
else
{
_gx_display_driver_8bpp_rotated_pixelmap_simple_rotate(context, xpos, ypos, pixelmap, angle, rot_cx, rot_cy);
}
}
else
{
if (pixelmap -> gx_pixelmap_flags & GX_PIXELMAP_TRANSPARENT)
{
/* no compression or alpha */
_gx_display_driver_8bpp_rotated_pixelmap_transparent_rotate(context, xpos, ypos, pixelmap, angle, rot_cx, rot_cy);
}
else
{
/* no compression or alpha */
_gx_display_driver_8bpp_rotated_pixelmap_raw_rotate(context, xpos, ypos, pixelmap, angle, rot_cx, rot_cy);
}
}
return;
}

476
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/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** GUIX Component */
/** */
/** Display Management (Display) */
/** */
/**************************************************************************/
#define PIXEL_WRITE(loc, val) (*(loc) = ((GX_UBYTE)val))
#define GX_SOURCE_CODE
/* Include necessary system files. */
#include "gx_api.h"
#include "gx_utility.h"
#include "gx_display.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _gx_display_driver_8bpp_rotated_simple_line_draw PORTABLE C */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* Generic 8bpp color format rotated line draw function. */
/* */
/* INPUT */
/* */
/* context Drawing context */
/* xstart x-coord of endpoint */
/* ystart y-coord of endpoint */
/* xend x-coord of endpoint */
/* yend y-coord of endpoint */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* GX_ABS Compute the absolute value */
/* GX_SWAP_VALUE Swap two values */
/* [PIXEL_WRITE] Driver level pixel write */
/* routine */
/* */
/* CALLED BY */
/* */
/* GUIX Internal Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */
/* */
/**************************************************************************/
VOID _gx_display_driver_8bpp_rotated_simple_line_draw(GX_DRAW_CONTEXT *context, INT xstart, INT ystart, INT xend, INT yend)
{
INT curx;
INT cury;
INT x_sign;
INT y_sign;
INT decision;
INT nextx;
INT nexty;
INT y_increment;
GX_POINT end_point;
GX_POINT mid_point;
GX_RECTANGLE half_rectangle;
GX_RECTANGLE half_over;
INT sign;
INT steps;
GX_UBYTE *put;
GX_UBYTE *next_put;
GX_BOOL clipped = GX_TRUE;
INT dx;
INT dy;
GX_RECTANGLE *clip = context -> gx_draw_context_clip;
GX_COLOR linecolor = context -> gx_draw_context_brush.gx_brush_line_color;
GX_RECTANGLE rotated_clip;
GX_SWAP_VALS(xstart, ystart);
GX_SWAP_VALS(xend, yend);
clip = context -> gx_draw_context_clip;
if (context -> gx_draw_context_display -> gx_display_rotation_angle == GX_SCREEN_ROTATION_CW)
{
ystart = context -> gx_draw_context_canvas -> gx_canvas_x_resolution - ystart - 1;
yend = context -> gx_draw_context_canvas -> gx_canvas_x_resolution - yend - 1;
rotated_clip.gx_rectangle_left = clip -> gx_rectangle_top;
rotated_clip.gx_rectangle_right = clip -> gx_rectangle_bottom;
rotated_clip.gx_rectangle_top = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - clip -> gx_rectangle_right - 1);
rotated_clip.gx_rectangle_bottom = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_x_resolution - clip -> gx_rectangle_left - 1);
}
else
{
xstart = context -> gx_draw_context_canvas -> gx_canvas_y_resolution - xstart - 1;
xend = context -> gx_draw_context_canvas -> gx_canvas_y_resolution - xend - 1;
rotated_clip.gx_rectangle_left = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - clip -> gx_rectangle_bottom - 1);
rotated_clip.gx_rectangle_right = (GX_VALUE)(context -> gx_draw_context_canvas -> gx_canvas_y_resolution - clip -> gx_rectangle_top - 1);
rotated_clip.gx_rectangle_top = clip -> gx_rectangle_left;
rotated_clip.gx_rectangle_bottom = clip -> gx_rectangle_right;
}
dx = GX_ABS(xend - xstart);
dy = GX_ABS(yend - ystart);
if (((dx >= dy && (xstart > xend)) || ((dy > dx) && ystart > yend)))
{
GX_SWAP_VALS(xend, xstart);
GX_SWAP_VALS(yend, ystart);
}
x_sign = (xend - xstart) / dx;
y_sign = (yend - ystart) / dy;
if (y_sign > 0)
{
y_increment = context -> gx_draw_context_pitch;
}
else
{
y_increment = 0 - context -> gx_draw_context_pitch;
}
put = (GX_UBYTE *)(context -> gx_draw_context_memory) + ystart * context -> gx_draw_context_pitch + xstart;
next_put = (GX_UBYTE *)(context -> gx_draw_context_memory) + yend * context -> gx_draw_context_pitch + xend;
end_point.gx_point_x = (GX_VALUE)xstart;
end_point.gx_point_y = (GX_VALUE)ystart;
if (_gx_utility_rectangle_point_detect(&rotated_clip, end_point))
{
end_point.gx_point_x = (GX_VALUE)xend;
end_point.gx_point_y = (GX_VALUE)yend;
if (_gx_utility_rectangle_point_detect(&rotated_clip, end_point))
{
clipped = GX_FALSE;
}
}
if (clipped)
{
/* here if we must do clipping in the inner loop, because one
or both of the end points are outside clipping rectangle */
/* Calculate the middle point of the line. */
mid_point.gx_point_x = (GX_VALUE)(xend + xstart) >> 1;
mid_point.gx_point_y = (GX_VALUE)(yend + ystart) >> 1;
/* Judge the &rotated_clip in which side. */
if (_gx_utility_rectangle_point_detect(&rotated_clip, mid_point))
{
/* the &rotated_clip in two sides. */
if (dx >= dy)
{
/* walk out the clipping point. */
for (curx = xstart, cury = ystart, decision = (dx >> 1); curx < mid_point.gx_point_x;
curx++, decision += dy)
{
if (decision >= dx)
{
decision -= dx;
cury += y_sign;
put += y_increment;
}
if (curx >= rotated_clip.gx_rectangle_left &&
cury >= rotated_clip.gx_rectangle_top &&
cury <= rotated_clip.gx_rectangle_bottom)
{
break;
}
put++;
}
for (; curx <= mid_point.gx_point_x;
curx++, decision += dy)
{
if (decision >= dx)
{
decision -= dx;
cury += y_sign;
put += y_increment;
}
PIXEL_WRITE(put, linecolor);
put++;
}
for (nextx = xend, nexty = yend, decision = (dx >> 1); nextx > mid_point.gx_point_x;
nextx--, decision += dy)
{
if (decision >= dx)
{
decision -= dx;
nexty -= y_sign;
next_put -= y_increment;
}
if (nextx <= rotated_clip.gx_rectangle_right &&
nexty >= rotated_clip.gx_rectangle_top &&
nexty <= rotated_clip.gx_rectangle_bottom)
{
break;
}
next_put--;
}
for (; nextx > mid_point.gx_point_x;
nextx--, decision += dy)
{
if (decision >= dx)
{
decision -= dx;
nexty -= y_sign;
next_put -= y_increment;
}
PIXEL_WRITE(next_put, linecolor);
next_put--;
}
}
else
{
for (nextx = xend, nexty = yend, decision = (dy >> 1); nexty > mid_point.gx_point_y;
nexty--, decision += dx)
{
if (decision >= dy)
{
decision -= dy;
nextx -= x_sign;
next_put -= x_sign;
}
if (nextx >= rotated_clip.gx_rectangle_left &&
nextx <= rotated_clip.gx_rectangle_right &&
nexty <= rotated_clip.gx_rectangle_bottom)
{
break;
}
next_put -= context -> gx_draw_context_pitch;
}
for (; nexty > mid_point.gx_point_y;
nexty--, decision += dx)
{
if (decision >= dy)
{
decision -= dy;
nextx -= x_sign;
next_put -= x_sign;
}
PIXEL_WRITE(next_put, linecolor);
next_put -= context -> gx_draw_context_pitch;
}
/* walk out the clipping point. */
for (curx = xstart, cury = ystart, decision = (dy >> 1); cury < mid_point.gx_point_y;
cury++, decision += dx)
{
if (decision >= dy)
{
decision -= dy;
curx += x_sign;
put += x_sign;
}
if (curx >= rotated_clip.gx_rectangle_left &&
curx <= rotated_clip.gx_rectangle_right &&
cury >= rotated_clip.gx_rectangle_top)
{
break;
}
put += context -> gx_draw_context_pitch;
}
for (; cury <= mid_point.gx_point_y;
cury++, decision += dx)
{
if (decision >= dy)
{
decision -= dy;
curx += x_sign;
put += x_sign;
}
PIXEL_WRITE(put, linecolor);
put += context -> gx_draw_context_pitch;
}
}
}
else
{
/* The &rotated_clip stay at one side. */
if (dx >= dy)
{
half_rectangle.gx_rectangle_left = (GX_VALUE)xstart;
half_rectangle.gx_rectangle_right = mid_point.gx_point_x;
if (y_sign == 1)
{
half_rectangle.gx_rectangle_top = (GX_VALUE)ystart;
half_rectangle.gx_rectangle_bottom = mid_point.gx_point_y;
}
else
{
half_rectangle.gx_rectangle_top = mid_point.gx_point_y;
half_rectangle.gx_rectangle_bottom = (GX_VALUE)ystart;
}
if (_gx_utility_rectangle_overlap_detect(&rotated_clip, &half_rectangle, &half_over))
{
curx = xstart;
cury = ystart;
steps = mid_point.gx_point_x - curx + 1;
sign = 1;
}
else
{
curx = xend;
cury = yend;
steps = xend - mid_point.gx_point_x;
sign = -1;
y_increment = 0 - y_increment;
y_sign = 0 - y_sign;
put = next_put;
}
for (decision = (dx >> 1); steps > 0; curx += sign, decision += dy, steps--)
{
if (decision >= dx)
{
decision -= dx;
cury += y_sign;
put += y_increment;
}
if (curx >= rotated_clip.gx_rectangle_left &&
curx <= rotated_clip.gx_rectangle_right &&
cury >= rotated_clip.gx_rectangle_top &&
cury <= rotated_clip.gx_rectangle_bottom)
{
PIXEL_WRITE(put, linecolor);
}
put += sign;
}
}
else
{
half_rectangle.gx_rectangle_top = (GX_VALUE)ystart;
half_rectangle.gx_rectangle_bottom = mid_point.gx_point_y;
if (x_sign == 1)
{
half_rectangle.gx_rectangle_right = mid_point.gx_point_x;
half_rectangle.gx_rectangle_left = (GX_VALUE)xstart;
}
else
{
half_rectangle.gx_rectangle_right = (GX_VALUE)xstart;
half_rectangle.gx_rectangle_left = mid_point.gx_point_x;
}
if (_gx_utility_rectangle_overlap_detect(&rotated_clip, &half_rectangle, &half_over))
{
curx = xstart;
cury = ystart;
steps = mid_point.gx_point_y - cury + 1;
y_increment = context -> gx_draw_context_pitch;
sign = 1;
}
else
{
curx = xend;
cury = yend;
steps = yend - mid_point.gx_point_y;
sign = -1;
y_increment = 0 - context -> gx_draw_context_pitch;
x_sign = 0 - x_sign;
put = next_put;
}
for (decision = (dy >> 1); steps > 0; cury += sign, decision += dx, steps--)
{
if (decision >= dy)
{
decision -= dy;
curx += x_sign;
put += x_sign;
}
if (curx >= rotated_clip.gx_rectangle_left &&
curx <= rotated_clip.gx_rectangle_right &&
cury >= rotated_clip.gx_rectangle_top &&
cury <= rotated_clip.gx_rectangle_bottom)
{
PIXEL_WRITE(put, linecolor);
}
put += y_increment;
}
}
}
}
else
{
/* here if both line ends lie within clipping rectangle, we can
run a faster inner loop */
if (dx >= dy)
{
put = (GX_UBYTE *)(context -> gx_draw_context_memory) + ystart * context -> gx_draw_context_pitch + xstart;
next_put = (GX_UBYTE *)(context -> gx_draw_context_memory) + yend * context -> gx_draw_context_pitch + xend;
for (curx = xstart, cury = ystart, nextx = xend, nexty = yend,
decision = (dx >> 1); curx <= nextx; curx++, nextx--,
decision += dy)
{
if (decision >= dx)
{
decision -= dx;
cury += y_sign;
nexty -= y_sign;
put += y_increment;
next_put -= y_increment;
}
PIXEL_WRITE(put, linecolor);
PIXEL_WRITE(next_put, linecolor);
put++;
next_put--;
}
}
else
{
for (curx = xstart, cury = ystart, nextx = xend, nexty = yend,
decision = (dy >> 1); cury <= nexty; cury++, nexty--,
decision += dx)
{
if (decision >= dy)
{
decision -= dy;
curx += x_sign;
nextx -= x_sign;
put += x_sign;
next_put -= x_sign;
}
PIXEL_WRITE(put, linecolor);
PIXEL_WRITE(next_put, linecolor);
put += context -> gx_draw_context_pitch;
next_put -= context -> gx_draw_context_pitch;
}
}
}
}

110
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/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** GUIX Component */
/** */
/** Display Management (Display) */
/** */
/**************************************************************************/
#define GX_SOURCE_CODE
/* Include necessary system files. */
#include "gx_api.h"
#include "gx_display.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _gx_display_driver_8bpp_rotated_vertical_line_draw PORTABLE C */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* Generic 8bpp color format rotated vertical line draw function. */
/* */
/* INPUT */
/* */
/* context Drawing context */
/* ystart y-coord of top endpoint */
/* yend y-coord of bottom endpoint */
/* xpos x-coord of left edge */
/* width width of the line */
/* color Color of line to draw */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* GUIX Internal Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */
/* */
/**************************************************************************/
VOID _gx_display_driver_8bpp_rotated_vertical_line_draw(GX_DRAW_CONTEXT *context, INT ystart, INT yend, INT xpos, INT width, GX_COLOR color)
{
INT row;
INT column;
GX_UBYTE *put;
GX_UBYTE *rowstart;
INT len = yend - ystart + 1;
/* Pick up starting address of canvas memory. */
rowstart = (GX_UBYTE *)context -> gx_draw_context_memory;
if (context -> gx_draw_context_display -> gx_display_rotation_angle == GX_SCREEN_ROTATION_CW)
{
/* Calculate start of scanline. */
rowstart += (context -> gx_draw_context_canvas -> gx_canvas_x_resolution - xpos - 1) * context -> gx_draw_context_pitch;
/* Offset into starting pixel. */
rowstart += ystart;
}
else
{
rowstart += (xpos + width - 1) * context -> gx_draw_context_pitch;
rowstart += (context -> gx_draw_context_canvas -> gx_canvas_y_resolution - yend - 1);
}
/* Draw line width from left to right. */
for (column = 0; column < width; column++)
{
put = rowstart;
/* Draw line from top to bottom. */
for (row = 0; row < len; row++)
{
*put++ = (GX_UBYTE)color;
}
/* Ddvance to the next scaneline. */
rowstart -= context -> gx_draw_context_pitch;
}
}

135
common/src/gx_display_driver_8bpp_rotated_vertical_pattern_line_draw.c Normal file
View File

@ -0,0 +1,135 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** GUIX Component */
/** */
/** Display Management (Display) */
/** */
/**************************************************************************/
#define GX_SOURCE_CODE
/* Include necessary system files. */
#include "gx_api.h"
#include "gx_display.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _gx_display_driver_8bpp_rotated_vertical_pattern_line_draw */
/* PORTABLE C */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* Generic 8bpp color format rotated vertical line draw function. */
/* */
/* INPUT */
/* */
/* context Drawing context */
/* ystart y-coord of top endpoint */
/* yend y-coord of bottom endpoint */
/* xpos x-coord of left edge */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* GUIX Internal Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */
/* */
/**************************************************************************/
VOID _gx_display_driver_8bpp_rotated_vertical_pattern_line_draw(GX_DRAW_CONTEXT *context, INT ystart, INT yend, INT xpos)
{
INT row;
GX_UBYTE *put;
GX_UBYTE *rowstart;
ULONG pattern;
ULONG mask;
GX_UBYTE on_color;
GX_UBYTE off_color;
INT len = yend - ystart + 1;
/* Pick up starting address of canvas memory. */
rowstart = (GX_UBYTE *)context -> gx_draw_context_memory;
if (context -> gx_draw_context_display -> gx_display_rotation_angle == GX_SCREEN_ROTATION_CW)
{
/* Calculate start of scanline. */
rowstart += (context -> gx_draw_context_canvas -> gx_canvas_x_resolution - xpos - 1) * context -> gx_draw_context_pitch;
/* Offset into starting pixel. */
rowstart += ystart;
}
else
{
/* Calculate start of scanline. */
rowstart += xpos * context -> gx_draw_context_pitch;
/* Offset into starting pixel. */
rowstart += (context -> gx_draw_context_canvas -> gx_canvas_y_resolution - yend - 1);
}
/* Pick up the requested pattern and mask. */
pattern = context -> gx_draw_context_brush.gx_brush_line_pattern;
mask = context -> gx_draw_context_brush.gx_brush_pattern_mask;
on_color = (GX_UBYTE)context -> gx_draw_context_brush.gx_brush_line_color;
off_color = (GX_UBYTE)context -> gx_draw_context_brush.gx_brush_fill_color;
/* Draw line from top to bottom. */
for (row = 0; row < len; row++)
{
put = rowstart;
if (pattern & mask)
{
*put = on_color;
}
else
{
*put = off_color;
}
mask >>= 1;
if (!mask)
{
mask = 0x80000000;
}
/* advance to the next scaneline */
rowstart++;
}
/* save current masks value back to brush */
context -> gx_draw_context_brush.gx_brush_pattern_mask = mask;
}

2
common/src/gx_display_driver_generic_rotated_polygon_fill.c
View File

@ -778,7 +778,7 @@ GX_POLYGON_EDGE temp;
/* FUNCTION RELEASE */
/* */
/* _gx_display_driver_generic_rotated_polygon_fill PORTABLE C */
/* x.x */
/* 6.1.3 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */

100
common/src/gx_image_reader_pixel_write_callback_set.c
View File

@ -215,6 +215,71 @@ GX_COLOR *pLine;
return GX_SUCCESS;
}
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _gx_image_reader_24xrgb_rotated_pixel_write PORTABLE C */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function writes a pixel to output rotated pixelmap data */
/* structure. */
/* */
/* INPUT */
/* */
/* image_reader Image reader control block. */
/* pixel Pixel to write. */
/* */
/* OUTPUT */
/* */
/* Completion Status */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* _gx_image_reader_pixel_write_callback_set */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */
/* */
/**************************************************************************/
static UINT _gx_image_reader_24xrgb_rotated_pixel_write(GX_IMAGE_READER *image_reader, GX_PIXEL *pixel)
{
GX_COLOR *pLine;
if (!image_reader -> gx_image_reader_size_testing)
{
pLine = (GX_COLOR *)image_reader -> gx_image_reader_putdata;
(*pLine) = (GX_COLOR)((pixel -> gx_pixel_red << 16));
(*pLine) = (GX_COLOR)((*pLine) | ((ULONG)(pixel -> gx_pixel_green) << 8));
(*pLine) = (GX_COLOR)((*pLine) | pixel -> gx_pixel_blue);
(*pLine) = (GX_COLOR)((*pLine) | ((ULONG)(pixel -> gx_pixel_alpha) << 24));
}
if (image_reader -> gx_image_reader_mode & GX_IMAGE_READER_MODE_ROTATE_CW)
{
image_reader -> gx_image_reader_putdata -= (image_reader -> gx_image_reader_image_height << 2);
}
else
{
image_reader -> gx_image_reader_putdata += (image_reader -> gx_image_reader_image_height << 2);
}
return GX_SUCCESS;
}
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
@ -1207,7 +1272,7 @@ GX_UBYTE color;
/* FUNCTION RELEASE */
/* */
/* _gx_image_reader_pixel_rotated_write_callback_set PORTABLE C */
/* 6.1.3 */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
@ -1229,8 +1294,11 @@ GX_UBYTE color;
/* CALLS */
/* */
/* _gx_image_reader_565rgb_rotated_pixel_write */
/* Write 565 rgb format pixel */
/* in rotation mode */
/* Write 565rgb format pixel in */
/* rotation mode */
/* _gx_image_reader_24xrgb_rotated_pixel_write */
/* Write 24xrgn format pixel in */
/* rotation mode */
/* */
/* CALLED BY */
/* */
@ -1241,6 +1309,9 @@ GX_UBYTE color;
/* DATE NAME DESCRIPTION */
/* */
/* 12-31-2020 Kenneth Maxwell Initial Version 6.1.3 */
/* 02-02-2021 Kenneth Maxwell Modified comment(s), */
/* added 24xrgb format support,*/
/* resulting in version 6.1.4 */
/* */
/**************************************************************************/
static UINT _gx_image_reader_pixel_rotated_write_callback_set(GX_IMAGE_READER *image_reader, GX_PIXELMAP *outmap)
@ -1284,6 +1355,29 @@ static UINT _gx_image_reader_pixel_rotated_write_callback_set(GX_IMAGE_READER *i
}
break;
case GX_COLOR_FORMAT_24XRGB:
image_reader -> gx_image_reader_pixel_write = _gx_image_reader_24xrgb_rotated_pixel_write;
if (image_reader -> gx_image_reader_mode & GX_IMAGE_READER_MODE_ROTATE_CW)
{
outmap -> gx_pixelmap_flags |= GX_PIXELMAP_ROTATED_90;
image_reader -> gx_image_reader_putdatarow = (GX_UBYTE *)outmap -> gx_pixelmap_data;
image_reader -> gx_image_reader_putdatarow += (outmap -> gx_pixelmap_width - 1) * (outmap -> gx_pixelmap_height << 2);
image_reader -> gx_image_reader_putdatarow_stride = 4;
}
else
{
outmap -> gx_pixelmap_flags |= GX_PIXELMAP_ROTATED_270;
image_reader -> gx_image_reader_putdatarow = (GX_UBYTE *)outmap -> gx_pixelmap_data;
image_reader -> gx_image_reader_putdatarow += ((outmap -> gx_pixelmap_height - 1) << 2);
image_reader -> gx_image_reader_putdatarow_stride = -4;
}
break;
default:
return GX_NOT_SUPPORTED;
break;

31
common/src/gx_radial_slider_event_process.c
View File

@ -35,7 +35,7 @@
/* FUNCTION RELEASE */
/* */
/* _gx_radial_slider_pen_down_event_process PORTABLE C */
/* 6.1 */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
@ -75,6 +75,11 @@
/* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */
/* 09-30-2020 Kenneth Maxwell Modified comment(s), */
/* resulting in version 6.1 */
/* 02-02-2021 Kenneth Maxwell Modified comment(s), */
/* renamed */
/* GX_STATUS_TRACKING_START to */
/* GX_STATUS_TRACKING_PEN, */
/* resulting in version 6.1.4 */
/* */
/**************************************************************************/
static UINT _gx_radial_slider_pen_down_event_process(GX_RADIAL_SLIDER *slider, GX_EVENT *event_ptr)
@ -100,7 +105,7 @@ GX_RECTANGLE rectangle;
/* Check if click point is inside needle area. */
if (_gx_utility_rectangle_point_detect(&rectangle, *point))
{
slider -> gx_widget_status |= GX_STATUS_TRACKING_START;
slider -> gx_widget_status |= GX_STATUS_TRACKING_PEN;
_gx_system_input_capture((GX_WIDGET *)slider);
}
@ -136,7 +141,7 @@ GX_RECTANGLE rectangle;
/* FUNCTION RELEASE */
/* */
/* _gx_radial_slider_pen_drag_event_process PORTABLE C */
/* 6.1 */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
@ -171,6 +176,11 @@ GX_RECTANGLE rectangle;
/* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */
/* 09-30-2020 Kenneth Maxwell Modified comment(s), */
/* resulting in version 6.1 */
/* 02-02-2021 Kenneth Maxwell Modified comment(s), */
/* renamed */
/* GX_STATUS_TRACKING_START to */
/* GX_STATUS_TRACKING_PEN, */
/* resulting in version 6.1.4 */
/* */
/**************************************************************************/
static UINT _gx_radial_slider_pen_drag_event_process(GX_RADIAL_SLIDER *slider, GX_EVENT *event_ptr)
@ -181,7 +191,7 @@ GX_RADIAL_SLIDER_INFO *info = &slider -> gx_radial_slider_info;
GX_BOOL update = GX_FALSE;
/* move my needle */
if (slider -> gx_widget_status & GX_STATUS_TRACKING_START)
if (slider -> gx_widget_status & GX_STATUS_TRACKING_PEN)
{
/* Calcualte new slider value. */
_gx_radial_slider_angle_calculate(slider, event_ptr -> gx_event_payload.gx_event_pointdata, &new_value);
@ -231,7 +241,7 @@ GX_BOOL update = GX_FALSE;
/* FUNCTION RELEASE */
/* */
/* _gx_radial_slider_pen_up_event_process PORTABLE C */
/* 6.1 */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
@ -271,6 +281,11 @@ GX_BOOL update = GX_FALSE;
/* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */
/* 09-30-2020 Kenneth Maxwell Modified comment(s), */
/* resulting in version 6.1 */
/* 02-02-2021 Kenneth Maxwell Modified comment(s), */
/* renamed */
/* GX_STATUS_TRACKING_START to */
/* GX_STATUS_TRACKING_PEN, */
/* resulting in version 6.1.4 */
/* */
/**************************************************************************/
static UINT _gx_radial_slider_pen_up_event_process(GX_RADIAL_SLIDER *slider, GX_EVENT *event_ptr)
@ -285,11 +300,11 @@ GX_POINT *point;
point = &event_ptr -> gx_event_payload.gx_event_pointdata;
if (slider -> gx_widget_status & GX_STATUS_TRACKING_START ||
if (slider -> gx_widget_status & GX_STATUS_TRACKING_PEN ||
((GX_ABS(point -> gx_point_x - slider -> gx_radial_slider_pendown_point.gx_point_x) < 5) &&
(GX_ABS(point -> gx_point_y - slider -> gx_radial_slider_pendown_point.gx_point_y) < 5)))
{
if (slider -> gx_widget_status & GX_STATUS_TRACKING_START)
if (slider -> gx_widget_status & GX_STATUS_TRACKING_PEN)
{
new_value = info -> gx_radial_slider_info_current_angle;
}
@ -304,7 +319,7 @@ GX_POINT *point;
}
slider -> gx_widget_status |= GX_STATUS_ANIMATION_NONE;
slider -> gx_widget_status &= ~GX_STATUS_TRACKING_START;
slider -> gx_widget_status &= ~GX_STATUS_TRACKING_PEN;
}
else
{

18
common/src/gx_scroll_wheel_event_process.c
View File

@ -335,7 +335,7 @@ INT speed;
/* FUNCTION RELEASE */
/* */
/* _gx_scroll_wheel_pen_up_event_handler PORTABLE C */
/* 6.1 */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
@ -372,13 +372,18 @@ INT speed;
/* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */
/* 09-30-2020 Kenneth Maxwell Modified comment(s), */
/* resulting in version 6.1 */
/* 02-02-2021 Kenneth Maxwell Modified comment(s), */
/* renamed */
/* GX_STYLE_SCROLL_WHEEL_DRAG */
/* to GX_STATUS_TRACKING_PEN, */
/* resulting in version 6.1.4 */
/* */
/**************************************************************************/
static UINT _gx_scroll_wheel_pen_up_event_handler(GX_SCROLL_WHEEL *wheel)
{
GX_RECTANGLE dirty;
wheel -> gx_widget_style &= (ULONG)(~GX_STYLE_SCROLL_WHEEL_DRAG);
wheel -> gx_widget_status &= (ULONG)(~GX_STATUS_TRACKING_PEN);
if (wheel -> gx_scroll_wheel_selected_yshift)
{
@ -409,7 +414,7 @@ GX_RECTANGLE dirty;
/* FUNCTION RELEASE */
/* */
/* _gx_scroll_wheel_event_process PORTABLE C */
/* 6.1 */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
@ -454,6 +459,11 @@ GX_RECTANGLE dirty;
/* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */
/* 09-30-2020 Kenneth Maxwell Modified comment(s), */
/* resulting in version 6.1 */
/* 02-02-2021 Kenneth Maxwell Modified comment(s), */
/* renamed */
/* GX_STYLE_SCROLL_WHEEL_DRAG */
/* to GX_STATUS_TRACKING_PEN, */
/* resulting in version 6.1.4 */
/* */
/**************************************************************************/
UINT _gx_scroll_wheel_event_process(GX_SCROLL_WHEEL *wheel, GX_EVENT *event_ptr)
@ -474,7 +484,7 @@ GX_VALUE shift;
case GX_EVENT_PEN_DRAG:
if (wheel -> gx_widget_status & GX_STATUS_OWNS_INPUT)
{
wheel -> gx_widget_style |= GX_STYLE_SCROLL_WHEEL_DRAG;
wheel -> gx_widget_status |= GX_STATUS_TRACKING_PEN;
shift = (GX_VALUE)(event_ptr -> gx_event_payload.gx_event_pointdata.gx_point_y - wheel -> gx_window_move_start.gx_point_y);
if (shift)
{

9
common/src/gx_text_scroll_wheel_draw.c
View File

@ -273,7 +273,7 @@ GX_BRUSH *brush;
/* FUNCTION RELEASE */
/* */
/* _gx_text_scroll_wheel_row_draw PORTABLE C */
/* 6.1 */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
@ -312,6 +312,11 @@ GX_BRUSH *brush;
/* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */
/* 09-30-2020 Kenneth Maxwell Modified comment(s), */
/* resulting in version 6.1 */
/* 02-02-2021 Kenneth Maxwell Modified comment(s), */
/* renamed */
/* GX_STYLE_SCROLL_WHEEL_DRAG */
/* to GX_STATUS_TRACKING_PEN, */
/* resulting in version 6.1.4 */
/* */
/**************************************************************************/
static UINT _gx_text_scroll_wheel_row_draw(GX_TEXT_SCROLL_WHEEL *wheel, GX_RECTANGLE *selected_area, GX_RECTANGLE *draw_area, GX_CONST GX_STRING *string)
@ -342,7 +347,7 @@ UINT (*text_draw)(GX_TEXT_SCROLL_WHEEL *wheel, GX_RESOURCE_ID tColor,
text_draw = _gx_text_scroll_wheel_flat_text_draw;
}
if ((wheel -> gx_widget_style & GX_STYLE_SCROLL_WHEEL_DRAG) ||
if ((wheel -> gx_widget_status & GX_STATUS_TRACKING_PEN) ||
(wheel -> gx_scroll_wheel_animation_steps != 0) ||
(!_gx_utility_rectangle_compare(selected_area, draw_area)))
{

154
ports/generic/inc/gx_port.h Normal file
View File

@ -0,0 +1,154 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** GUIX Component */
/** */
/** Port Specific */
/** */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/* */
/* APPLICATION INTERFACE DEFINITION RELEASE */
/* */
/* gx_api.h Generic */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This file contains data type definitions and constants that work */
/* generically on most compiler and processor architectures. */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */
/* */
/**************************************************************************/
#ifndef GX_PORT_H
#define GX_PORT_H
/* Determine if the optional GUIX user define file should be used. */
#ifdef GX_INCLUDE_USER_DEFINE_FILE
/* Include the user defines in gx_user.h. The defines in this file may
alternately be defined on the command line. */
#include "gx_user.h"
#endif
typedef INT GX_BOOL;
typedef SHORT GX_VALUE;
#define GX_VALUE_MAX 0x7FFF
/* Define the basic system parameters. */
#ifndef GX_THREAD_STACK_SIZE
#define GX_THREAD_STACK_SIZE 4096
#endif
#ifndef GX_TICKS_SECOND
#define GX_TICKS_SECOND 20
#endif
#define GX_CONST const
#define GX_INCLUDE_DEFAULT_COLORS
#define GX_MAX_ACTIVE_TIMERS 32
#define GX_SYSTEM_TIMER_TICKS 2 /* 20 ms */
#define GX_MAX_VIEWS 32
#define GX_MAX_DISPLAY_HEIGHT 800
/* Define several macros for the error checking shell in GUIX. */
#ifdef GX_DISABLE_THREADX_BINDING
/* Here if not running with ThreadX RTOS */
#define GX_CALLER_CHECKING_EXTERNS
#define GX_THREADS_ONLY_CALLER_CHECKING
#define GX_INIT_AND_THREADS_CALLER_CHECKING
#define GX_NOT_ISR_CALLER_CHECKING
#define GX_THREAD_WAIT_CALLER_CHECKING
#else
#ifdef TX_TIMER_PROCESS_IN_ISR
#define GX_CALLER_CHECKING_EXTERNS extern TX_THREAD *_tx_thread_current_ptr; \
extern volatile ULONG _tx_thread_system_state;
#define GX_THREADS_ONLY_CALLER_CHECKING if ((TX_THREAD_GET_SYSTEM_STATE()) || \
(_tx_thread_current_ptr == TX_NULL)) \
return(GX_CALLER_ERROR);
#define GX_INIT_AND_THREADS_CALLER_CHECKING if (((TX_THREAD_GET_SYSTEM_STATE()) && ((TX_THREAD_GET_SYSTEM_STATE()) < ((ULONG) 0xF0F0F0F0)))) \
return(GX_CALLER_ERROR);
#define GX_NOT_ISR_CALLER_CHECKING if ((TX_THREAD_GET_SYSTEM_STATE()) && ((TX_THREAD_GET_SYSTEM_STATE()) < ((ULONG) 0xF0F0F0F0))) \
return(GX_CALLER_ERROR);
#define GX_THREAD_WAIT_CALLER_CHECKING if ((wait_option) && \
((_tx_thread_current_ptr == NX_NULL) || (TX_THREAD_GET_SYSTEM_STATE()))) \
return(GX_CALLER_ERROR);
#else
#define GX_CALLER_CHECKING_EXTERNS extern TX_THREAD *_tx_thread_current_ptr; \
extern TX_THREAD _tx_timer_thread; \
extern volatile ULONG _tx_thread_system_state;
#define GX_THREADS_ONLY_CALLER_CHECKING if ((TX_THREAD_GET_SYSTEM_STATE()) || \
(_tx_thread_current_ptr == TX_NULL) || \
(_tx_thread_current_ptr == &_tx_timer_thread)) \
return(GX_CALLER_ERROR);
#define GX_INIT_AND_THREADS_CALLER_CHECKING if (((TX_THREAD_GET_SYSTEM_STATE()) && ((TX_THREAD_GET_SYSTEM_STATE()) < ((ULONG) 0xF0F0F0F0))) || \
(_tx_thread_current_ptr == &_tx_timer_thread)) \
return(GX_CALLER_ERROR);
#define GX_NOT_ISR_CALLER_CHECKING if ((TX_THREAD_GET_SYSTEM_STATE()) && ((TX_THREAD_GET_SYSTEM_STATE()) < ((ULONG) 0xF0F0F0F0))) \
return(GX_CALLER_ERROR);
#define GX_THREAD_WAIT_CALLER_CHECKING if ((wait_option) && \
((_tx_thread_current_ptr == NX_NULL) || (TX_THREAD_GET_SYSTEM_STATE()) || (_tx_thread_current_ptr == &_tx_timer_thread))) \
return(GX_CALLER_ERROR);
#endif
#endif
/* Define the version ID of GUIX. This may be utilized by the application. */
#ifdef GX_SYSTEM_INIT
CHAR _gx_version_id[] =
"Copyright (c) Microsoft Corporation. All rights reserved. * GUIX Version 6.x *";
#else
extern CHAR _gx_version_id[];
#endif
#endif

3336
ports/win32/build/vs_2019/guix.vcxproj
View File

File diff suppressed because it is too large Load Diff

16
ports/win32/inc/gx_win32_display_driver.h
View File

@ -26,7 +26,7 @@
/* COMPONENT DEFINITION RELEASE */
/* */
/* gx_win32_driver.h PORTABLE C */
/* 6.1.3 */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
@ -40,6 +40,10 @@
/* DATE NAME DESCRIPTION */
/* */
/* 12-31-2020 Kenneth Maxwell Initial Version 6.1.3 */
/* 02-02-2021 Kenneth Maxwell Modified comment(s), */
/* added 8bpp/24bpp rotated */
/* display driver declarations,*/
/* resulting in version 6.1.4 */
/* */
/**************************************************************************/
@ -85,20 +89,22 @@ typedef struct GX_WIN32_DISPLAY_DRIVER_STRUCT
UINT win32_graphics_driver_setup_monochrome(GX_DISPLAY *display);
UINT win32_graphics_driver_setup_4bpp_grayscale(GX_DISPLAY *display);
UINT win32_graphics_driver_setup_8bit_palette(GX_DISPLAY *display);
UINT win32_graphics_driver_setup_8bit_palette_rotated(GX_DISPLAY* display);
UINT win32_graphics_driver_setup_565rgb(GX_DISPLAY *display);
UINT win32_graphics_driver_setup_565rgb_rotated(GX_DISPLAY *display);
UINT win32_graphics_driver_setup_565bgr(GX_DISPLAY *display);
UINT win32_graphics_driver_setup_1555xrgb(GX_DISPLAY *display);
UINT win32_graphics_driver_setup_4444argb(GX_DISPLAY *display);
UINT win32_graphics_driver_setup_24xrgb(GX_DISPLAY *display);
UINT win32_graphics_driver_setup_24xrgb_rotated(GX_DISPLAY *display);
UINT win32_graphics_driver_setup_32argb(GX_DISPLAY *display);
UINT win32_graphics_driver_setup_32argb_rotated(GX_DISPLAY *display);
UINT win32_chromeart_graphics_driver_setup_565rgb(GX_DISPLAY *display);
UINT win32_synergy_graphics_driver_setup_8bit_palette(GX_DISPLAY *display);
UINT win32_synergy_graphics_driver_setup_24xrgb(GX_DISPLAY *display);
UINT win32_synergy_graphics_driver_setup_565rgb(GX_DISPLAY *display);
UINT win32_synergy_graphics_driver_setup_565rgb_rotated(GX_DISPLAY *display);
VOID win32_32bpp_bitmap_header_create(GX_DISPLAY *display);
VOID win32_display_driver_8bit_palette_set(GX_DISPLAY *display, GX_COLOR *palette, INT count);
VOID win32_8bit_palette_bitmap_header_create(GX_DISPLAY *display);
void gx_win32_display_buffer_toggle(GX_CANVAS *canvas, GX_RECTANGLE *dirty);
void gx_win32_driver_thread_entry(ULONG thread_input);
HWND gx_win32_window_create(GX_WIN32_DISPLAY_DRIVER_DATA *gx_driver_ptr, WNDPROC gx_win32_event_process, INT xpos, INT ypos);

216
ports/win32/src/gx_win32_display_driver.c
View File

@ -615,6 +615,95 @@ int index;
return(0);
}
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* gx_win32_rotate_canvas_to_bmp_32bpp PORTABLE C */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function prepare canvas memory at which do draw operation. */
/* */
/* INPUT */
/* */
/* winHandle Win32 handle */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* win32_canvas_memory_prepare */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */
/* */
/**************************************************************************/
static void gx_win32_rotate_canvas_to_bmp_32bpp(GX_CANVAS *canvas)
{
/* First pass, just copy the entire canvas, ignoring the dirty
rectangle. Come back and apply dirty rectangle to improve
efficiency. */
ULONG *pReadStart;
ULONG *pWriteStart;
ULONG *pRead;
ULONG *pWrite;
INT copy_width;
INT copy_height;
INT row;
INT column;
INT write_sign;
/* Copy left-to-right from source canvas
and top-to-bottom in destination bitmap (90 degree rotation)
and bottom-to-top in destination bitmap (270 degree rotation). */
pReadStart = (ULONG *)canvas -> gx_canvas_memory;
pWriteStart = (ULONG *)canvas -> gx_canvas_padded_memory;
copy_width = canvas -> gx_canvas_y_resolution;
copy_height = canvas -> gx_canvas_x_resolution;
if (canvas -> gx_canvas_display -> gx_display_rotation_angle == GX_SCREEN_ROTATION_CW)
{
pWriteStart += copy_height - 1;
write_sign = -1;
}
else
{
/* Here for 270 degree rotation. */
pWriteStart += (copy_width - 1) * copy_height;
write_sign = 1;
}
for (row = 0; row < copy_height; row++)
{
pRead = pReadStart;
pWrite = pWriteStart;
for (column = 0; column < copy_width; column++)
{
*pWrite = *pRead++;
pWrite -= copy_height * write_sign;
}
pReadStart += copy_width;
pWriteStart += write_sign;
}
}
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
@ -649,7 +738,8 @@ int index;
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 12-31-2020 Kenneth Maxwell Initial version x.x */
/* 12-31-2020 Kenneth Maxwell Initial version 6.1.3 */
/* */
/**************************************************************************/
static void gx_win32_rotate_canvas_to_bmp_16bpp(GX_CANVAS *canvas)
{
@ -708,12 +798,107 @@ INT write_stride;
}
}
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* gx_win32_rotate_canvas_to_bmp_8bpp PORTABLE C */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function prepare canvas memory at which do draw operation. */
/* */
/* INPUT */
/* */
/* winHandle Win32 handle */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* win32_canvas_memory_prepare */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */
/* */
/**************************************************************************/
static void gx_win32_rotate_canvas_to_bmp_8bpp(GX_CANVAS *canvas)
{
/* first pass, just copy the entire canvas, ignoring the dirty
rectangle. Come back and apply dirty rectangle to improve
efficiency.
*/
GX_UBYTE *pReadStart;
GX_UBYTE *pWriteStart;
GX_UBYTE *pRead;
GX_UBYTE *pWrite;
INT copy_width;
INT copy_height;
INT row;
INT column;
INT write_sign;
INT write_stride;
/* copy left-to-right from source canvas
and top-to-bottom in destination bitmap (90 degree rotation)
and bottom-to-top in destination bitmap (270 degree rotation)
*/
pReadStart = (GX_UBYTE *)canvas -> gx_canvas_memory;
pWriteStart = (GX_UBYTE *)canvas -> gx_canvas_padded_memory;
copy_width = canvas -> gx_canvas_y_resolution;
copy_height = canvas -> gx_canvas_x_resolution;
write_stride = (copy_height + 1) & 0xfffc;
if (canvas -> gx_canvas_display -> gx_display_rotation_angle == GX_SCREEN_ROTATION_CW)
{
pWriteStart += copy_height - 1;
write_sign = -1;
}
else
{
/* Here for 270 degree rotation. */
pWriteStart += (copy_width - 1) * write_stride;
write_sign = 1;
}
for (row = 0; row < copy_height; row++)
{
pRead = pReadStart;
pWrite = pWriteStart;
for (column = 0; column < copy_width; column++)
{
*pWrite = *pRead++;
pWrite -= write_stride * write_sign;
}
pReadStart += copy_width;
pWriteStart += write_sign;
}
}
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _win32_canvas_memory_prepare PORTABLE C */
/* 6.1.3 */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
@ -743,6 +928,10 @@ INT write_stride;
/* DATE NAME DESCRIPTION */
/* */
/* 12-31-2020 Kenneth Maxwell Initial Version 6.1.3 */
/* 02-02-2021 Kenneth Maxwell Modified comment(s), */
/* added 8bpp and 32bpp canvas */
/* rotate logic, */
/* resulting in version 6.1.4 */
/* */
/**************************************************************************/
VOID *_win32_canvas_memory_prepare(GX_CANVAS *canvas, GX_RECTANGLE *dirty)
@ -797,11 +986,22 @@ INT row;
{
switch (display -> gx_display_color_format)
{
case GX_COLOR_FORMAT_24XRGB:
case GX_COLOR_FORMAT_32ARGB:
gx_win32_rotate_canvas_to_bmp_32bpp(canvas);
memptr = canvas -> gx_canvas_padded_memory;
break;
case GX_COLOR_FORMAT_565RGB:
gx_win32_rotate_canvas_to_bmp_16bpp(canvas);
memptr = canvas -> gx_canvas_padded_memory;
break;
case GX_COLOR_FORMAT_8BIT_PALETTE:
gx_win32_rotate_canvas_to_bmp_8bpp(canvas);
memptr = canvas -> gx_canvas_padded_memory;
break;
default:
return canvas -> gx_canvas_memory;
}
@ -815,7 +1015,7 @@ INT row;
/* FUNCTION RELEASE */
/* */
/* gx_win32_display_buffer_toggle PORTABLE C */
/* 6.1.3 */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
@ -851,6 +1051,9 @@ INT row;
/* DATE NAME DESCRIPTION */
/* */
/* 12-31-2020 Kenneth Maxwell Initial Version 6.1.3 */
/* 02-02-2021 Kenneth Maxwell Modified comment(s), */
/* fixed logic, */
/* resulting in version 6.1.4 */
/* */
/**************************************************************************/
VOID gx_win32_display_buffer_toggle(GX_CANVAS *canvas, GX_RECTANGLE *dirty)
@ -894,6 +1097,9 @@ VOID *memptr;
{
memptr = _win32_canvas_memory_prepare(canvas, &Copy);
INT xsrc = Copy.gx_rectangle_left;
INT ysrc = Copy.gx_rectangle_top;
gx_utility_rectangle_shift(&Copy, canvas -> gx_canvas_display_offset_x, canvas -> gx_canvas_display_offset_y);
win_device = GetDC(driver_instance -> win32_driver_winhandle);
@ -908,8 +1114,8 @@ VOID *memptr;
Height = Copy.gx_rectangle_bottom - Copy.gx_rectangle_top + 1;
StretchDIBits(win_device, Left, Top, Width, Height,
Copy.gx_rectangle_left,
Copy.gx_rectangle_top + Height + 1,
xsrc,
ysrc + Height + 1,
Width, -Height, memptr,
(BITMAPINFO *)&(driver_instance -> win32_driver_bmpinfo),
DIB_RGB_COLORS,

14
ports/win32/src/gx_win32_display_driver_24xrgb.c
View File

@ -31,7 +31,7 @@
/* FUNCTION RELEASE */
/* */
/* win32_24xrgb_bitmap_header_create PORTABLE C */
/* 6.1.3 */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
@ -61,9 +61,12 @@
/* DATE NAME DESCRIPTION */
/* */
/* 12-31-2020 Kenneth Maxwell Initial Version 6.1.3 */
/* 02-02-2021 Kenneth Maxwell Modified comment(s), */
/* Renamed function, */
/* resulting in version 6.1.4 */
/* */
/**************************************************************************/
static void win32_24xrgb_bitmap_header_create(GX_DISPLAY *display)
VOID win32_32bpp_bitmap_header_create(GX_DISPLAY *display)
{
GX_WIN32_DISPLAY_DRIVER_DATA *instance;
DWORD *putmask;
@ -93,7 +96,7 @@ DWORD *putmask;
/* FUNCTION RELEASE */
/* */
/* win32_graphics_driver_setup_24xrgb PORTABLE C */
/* 6.1.3 */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
@ -126,6 +129,9 @@ DWORD *putmask;
/* DATE NAME DESCRIPTION */
/* */
/* 12-31-2020 Kenneth Maxwell Initial Version 6.1.3 */
/* 02-02-2021 Kenneth Maxwell Modified comment(s), */
/* Updated function name, */
/* resulting in version 6.1.4 */
/* */
/**************************************************************************/
UINT win32_graphics_driver_setup_24xrgb(GX_DISPLAY *display)
@ -156,7 +162,7 @@ GX_WIN32_DISPLAY_DRIVER_DATA *data;
GX_WIN32_EVENT_THREAD_CREATE(data, "GUI-WIN32-24xrgb");
/* Create bitmap header for 24xrgb display driver. */
win32_24xrgb_bitmap_header_create(display);
win32_32bpp_bitmap_header_create(display);
return(GX_SUCCESS);
}

103
ports/win32/src/gx_win32_display_driver_24xrgb_rotated.c Normal file
View File

@ -0,0 +1,103 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** GUIX Component */
/** */
/** Win32 Display Management (Display) */
/** */
/**************************************************************************/
#ifdef WIN32
#include "tx_api.h"
#include "gx_api.h"
#include "gx_system.h"
#include "gx_display.h"
#include "windows.h"
#include "gx_win32_display_driver.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* win32_graphics_driver_setup_24xrgb_rotated PORTABLE C */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function creates a Windows specific 24xrgb rotated display */
/* driver. */
/* */
/* INPUT */
/* */
/* display Pointer to GX_DISPLAY */
/* */
/* OUTPUT */
/* */
/* status Completion status */
/* */
/* CALLS */
/* */
/* _gx_display_driver_24xrgb_setup guix display setup funciton. */
/* win32_24xrgb_bitmap_header_create Create bitmap header info */
/* gx_win32_get_free_data_instance Get display data instance */
/* GX_WIN32_EVENT_THREAD_CREATE Create event thread */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */
/* */
/**************************************************************************/
UINT win32_graphics_driver_setup_24xrgb_rotated(GX_DISPLAY* display)
{
GX_WIN32_DISPLAY_DRIVER_DATA* data;
/* Initialize the low-level drawing function pointers.
For windows, these are always just the generic funcions,
but for some hardware, these will be customized,
optimized functions specific to that hardware. */
data = gx_win32_get_free_data_instance();
if (!data)
{
/* We don't have any free display data instance. */
return(GX_FAILURE);
}
/* Save off the format of display driver. */
data->win32_driver_type = GX_COLOR_FORMAT_24XRGB;
_gx_display_driver_24xrgb_rotated_setup(display, data, gx_win32_display_buffer_toggle);
/* Create the GUIX / Windows event thread
This thread is a substitute for a touch screen
or keyboard driver thread that would be running
on embedded hardware. */
GX_WIN32_EVENT_THREAD_CREATE(data, "GUI-WIN32-24xrgb");
/* Create bitmap header for 24xrgb display driver. */
win32_32bpp_bitmap_header_create(display);
return(GX_SUCCESS);
}
#endif /* WIN32 */

121
ports/win32/src/gx_win32_display_driver_32argb.c
View File

@ -26,74 +26,12 @@
#include "gx_display.h"
#include "gx_win32_display_driver.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* win32_32argb_bitmap_header_create PORTABLE C */
/* 6.1.3 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function creates bitmap header for 32argb driver. */
/* */
/* INPUT */
/* */
/* display Pointer to GX_DISPLAY */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* win32_graphics_driver_setup_32argb */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 12-31-2020 Kenneth Maxwell Initial Version 6.1.3 */
/* */
/**************************************************************************/
static void win32_32argb_bitmap_header_create(GX_DISPLAY *display)
{
GX_WIN32_DISPLAY_DRIVER_DATA *instance;
DWORD *putmask;
instance = (GX_WIN32_DISPLAY_DRIVER_DATA *)display -> gx_display_driver_data;
instance -> win32_driver_bmpinfo.gx_bmp_header.biSize = sizeof(BITMAPINFOHEADER);
instance -> win32_driver_bmpinfo.gx_bmp_header.biWidth = display -> gx_display_width;
instance -> win32_driver_bmpinfo.gx_bmp_header.biHeight = display -> gx_display_height;
instance -> win32_driver_bmpinfo.gx_bmp_header.biPlanes = 1;
instance -> win32_driver_bmpinfo.gx_bmp_header.biBitCount = 32;
instance -> win32_driver_bmpinfo.gx_bmp_header.biSizeImage = display -> gx_display_width * display -> gx_display_height * 4;
instance -> win32_driver_bmpinfo.gx_bmp_header.biClrUsed = 16777215;
instance -> win32_driver_bmpinfo.gx_bmp_header.biClrImportant = 16777215;
instance -> win32_driver_bmpinfo.gx_bmp_header.biCompression = BI_BITFIELDS;
putmask = (DWORD *)&(instance -> win32_driver_bmpinfo.gx_bmp_colors[0]);
*putmask++ = 0x00ff0000;
*putmask++ = 0x0000ff00;
*putmask = 0x000000ff;
}
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* win32_graphics_driver_setup_32argb PORTABLE C */
/* 6.1.3 */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
@ -113,7 +51,7 @@ DWORD *putmask;
/* CALLS */
/* */
/* _gx_display_driver_32argb_setup guix display setup funciton. */
/* win32_32argb_bitmap_header_create Create bitmap header info */
/* win32_32bpp_bitmap_header_create Create bitmap header info */
/* gx_win32_get_free_data_instance Get display data instance */
/* GX_WIN32_EVENT_THREAD_CREATE Create event thread */
/* */
@ -126,6 +64,10 @@ DWORD *putmask;
/* DATE NAME DESCRIPTION */
/* */
/* 12-31-2020 Kenneth Maxwell Initial Version 6.1.3 */
/* 02-02-2021 Kenneth Maxwell Modified comment(s), */
/* Updated bitmap header */
/* create function call, */
/* resulting in version 6.1.4 */
/* */
/**************************************************************************/
UINT win32_graphics_driver_setup_32argb(GX_DISPLAY *display)
@ -156,57 +98,8 @@ GX_WIN32_DISPLAY_DRIVER_DATA *data;
GX_WIN32_EVENT_THREAD_CREATE(data, "GUI-WIN32-32argb");
/* Create bitmap header for 32argb display driver. */
win32_32argb_bitmap_header_create(display);
win32_32bpp_bitmap_header_create(display);
return(GX_SUCCESS);
}
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* win32_graphics_driver_cleanup_32argb PORTABLE C */
/* 6.1.3 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function do cleanup operation for specific 32argb display */
/* driver. */
/* */
/* INPUT */
/* */
/* display Pointer to GX_DISPLAY */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* guix_studio_delete_display */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 12-31-2020 Kenneth Maxwell Initial Version 6.1.3 */
/* */
/**************************************************************************/
VOID win32_graphics_driver_cleanup_32argb(GX_DISPLAY *display)
{
GX_WIN32_DISPLAY_DRIVER_DATA *instance;
instance = (GX_WIN32_DISPLAY_DRIVER_DATA *)display -> gx_display_driver_data;
/* mark this instance as not used: */
instance -> win32_driver_type = 0;
}
#endif /* WIN32 */

103
ports/win32/src/gx_win32_display_driver_32argb_rotated.c Normal file
View File

@ -0,0 +1,103 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** GUIX Component */
/** */
/** Win32 Display Management (Display) */
/** */
/**************************************************************************/
#ifdef WIN32
#include "windows.h"
#include "tx_api.h"
#include "gx_api.h"
#include "gx_system.h"
#include "gx_display.h"
#include "gx_win32_display_driver.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* win32_graphics_driver_setup_32argb_rotated PORTABLE C */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function creates a Windows specific 32argb display driver. */
/* */
/* INPUT */
/* */
/* display Pointer to GX_DISPLAY */
/* */
/* OUTPUT */
/* */
/* status Completion status */
/* */
/* CALLS */
/* */
/* _gx_display_driver_32argb_rotated_setup */
/* guix display setup funciton. */
/* win32_32bpp_bitmap_header_create Create bitmap header info */
/* gx_win32_get_free_data_instance Get display data instance */
/* GX_WIN32_EVENT_THREAD_CREATE Create event thread */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */
/* */
/**************************************************************************/
UINT win32_graphics_driver_setup_32argb_rotated(GX_DISPLAY *display)
{
GX_WIN32_DISPLAY_DRIVER_DATA *data;
/* Initialize the low-level drawing function pointers.
For windows, these are always just the generic funcions,
but for some hardware, these will be customized,
optimized functions specific to that hardware. */
data = gx_win32_get_free_data_instance();
if (!data)
{
/* We don't have any free display data instance. */
return(GX_FAILURE);
}
/* Save off the format of display driver*/
data -> win32_driver_type = GX_COLOR_FORMAT_32ARGB;
_gx_display_driver_32argb_rotated_setup(display, data, gx_win32_display_buffer_toggle);
/* Create the GUIX / Windows event thread
This thread is a substitute for a touch screen
or keyboard driver thread that would be running
on embedded hardware. */
GX_WIN32_EVENT_THREAD_CREATE(data, "GUI-WIN32-32argb");
/* Create bitmap header for 32argb display driver. */
win32_32bpp_bitmap_header_create(display);
return(GX_SUCCESS);
}
#endif /* WIN32 */

7
ports/win32/src/gx_win32_display_driver_8bit_palette.c
View File

@ -31,7 +31,7 @@
/* FUNCTION RELEASE */
/* */
/* win32_display_driver_8bit_palette_set PORTABLE C */
/* 6.1.3 */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
@ -63,9 +63,12 @@
/* DATE NAME DESCRIPTION */
/* */
/* 12-31-2020 Kenneth Maxwell Initial Version 6.1.3 */
/* 02-02-2021 Kenneth Maxwell Modified comment(s), */
/* made the function public, */
/* resulting in version 6.1.4 */
/* */
/**************************************************************************/
static VOID win32_display_driver_8bit_palette_set(GX_DISPLAY *display, GX_COLOR *palette, INT count)
VOID win32_display_driver_8bit_palette_set(GX_DISPLAY *display, GX_COLOR *palette, INT count)
{
GX_COLOR color;
int loop;

107
ports/win32/src/gx_win32_display_driver_8bit_palette_rotated.c Normal file
View File

@ -0,0 +1,107 @@
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** GUIX Component */
/** */
/** Win32 Display Management (Display) */
/** */
/**************************************************************************/
#ifdef WIN32
#include "tx_api.h"
#include "gx_api.h"
#include "gx_system.h"
#include "gx_display.h"
#include "windows.h"
#include "gx_win32_display_driver.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* win32_graphics_driver_setup_8bit_palette_rotated PORTABLE C */
/* 6.1.4 */
/* AUTHOR */
/* */
/* Kenneth Maxwell, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function creates a Windows specific 8bpp display driver. */
/* */
/* INPUT */
/* */
/* display Pointer to GX_DISPLAY */
/* */
/* OUTPUT */
/* */
/* status Completion status */
/* */
/* CALLS */
/* */
/* _gx_display_driver_8bit_palette_setup guix display setup funciton. */
/* win32_8bit_palette_bitmap_header_create */
/* Create bitmap header info */
/* gx_win32_get_free_data_instance Get display data instance */
/* [gx_display_driver_palette_set] Set palette table for 8bpp */
/* GX_WIN32_EVENT_THREAD_CREATE Create event thread */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */
/* */
/**************************************************************************/
UINT win32_graphics_driver_setup_8bit_palette_rotated(GX_DISPLAY* display)
{
GX_WIN32_DISPLAY_DRIVER_DATA* data;
/* Initialize the low-level drawing function pointers.
For windows, these are always just the generic funcions,
but for some hardware, these will be customized,
optimized functions specific to that hardware. */
data = gx_win32_get_free_data_instance();
if (!data)
{
/* We don't have any free display data instance. */
return(GX_FAILURE);
}
/* Save off the format of display driver. */
data->win32_driver_type = GX_COLOR_FORMAT_8BIT_PALETTE;
_gx_display_driver_8bit_palette_rotated_setup(display, data, gx_win32_display_buffer_toggle);
display->gx_display_driver_palette_set = win32_display_driver_8bit_palette_set;
/* Create the GUIX / Windows event thread
This thread is a substitute for a touch display
or keyboard driver thread that would be running
on embedded hardware. */
GX_WIN32_EVENT_THREAD_CREATE(data, "GUI-WIN32-8bit-palette");
/* Create bitmap header for 8bit palette driver. */
win32_8bit_palette_bitmap_header_create(display);
return(GX_SUCCESS);
}
#endif /* WIN32 */

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samples/demo_guix_calculator/build/vs_2019/demo_guix_calculator.vcxproj
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samples/demo_guix_widget_types/demo_guix_widget_types.c
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@ -33,8 +33,6 @@ extern GX_SCROLLBAR_APPEARANCE Window_Screen_Vertical_Scroll_properties;
void ToggleScreen(GX_WINDOW *new_win, GX_WINDOW *old_win);
UINT string_length_get(GX_CONST GX_CHAR* input_string, UINT max_string_length);
TX_THREAD demo_thread;
UCHAR demo_thread_stack[4096];
TX_BYTE_POOL rotate_pool;
GX_WINDOW_ROOT *root;
GX_SCROLLBAR list_scroll;