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https://github.com/azure-rtos/guix.git
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129 lines
3.8 KiB
C
129 lines
3.8 KiB
C
#include <stdio.h>
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#include "gx_api.h"
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#include "all_widgets_8bpp_resources.h"
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#include "all_widgets_8bpp_specifications.h"
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extern VOID memory_free(VOID *mem);
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INT rotate_angle = 270;
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INT rotate_pixelmap_id = GX_PIXELMAP_ID_ROTATE_FOOT;
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GX_BOOL canvas_rotate = GX_FALSE;
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VOID update_angle_prompt()
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{
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GX_PROMPT *pp;
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static GX_CHAR text[10];
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GX_STRING string;
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gx_widget_find((GX_WIDGET *)&rotate_screen, ID_ANGLE_DISPLAY, 0, &pp);
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if (pp)
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{
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gx_utility_ltoa(rotate_angle, text, 10);
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string.gx_string_ptr = text;
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string.gx_string_length = strnlen(text, sizeof(text));
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gx_prompt_text_set_ext(pp, &string);
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}
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}
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UINT rotate_event_handler(GX_WINDOW *window, GX_EVENT *myevent)
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{
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UINT status = 0;
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switch (myevent->gx_event_type)
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{
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case GX_SIGNAL(ID_SLIDER_ANGLE, GX_EVENT_SLIDER_VALUE):
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rotate_angle = myevent->gx_event_payload.gx_event_longdata;
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update_angle_prompt();
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gx_system_dirty_mark((GX_WIDGET *)&rotate_screen.rotate_screen_pixelmap_window);
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break;
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case GX_SIGNAL(ID_RADIO_FOOT, GX_EVENT_RADIO_SELECT):
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rotate_pixelmap_id = GX_PIXELMAP_ID_ROTATE_FOOT;
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gx_system_dirty_mark((GX_WIDGET *)&rotate_screen.rotate_screen_pixelmap_window);
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break;
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case GX_SIGNAL(ID_RADIO_APPLE, GX_EVENT_RADIO_SELECT):
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rotate_pixelmap_id = GX_PIXELMAP_ID_ROTATE_APPLE;
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gx_system_dirty_mark((GX_WIDGET *)&rotate_screen.rotate_screen_pixelmap_window);
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break;
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case GX_SIGNAL(ID_RADIO_FISH, GX_EVENT_RADIO_SELECT):
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rotate_pixelmap_id = GX_PIXELMAP_ID_ROTATE_FISH;
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gx_system_dirty_mark((GX_WIDGET *)&rotate_screen.rotate_screen_pixelmap_window);
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break;
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case GX_SIGNAL(ID_DIRECT_ROTATE, GX_EVENT_TOGGLE_ON):
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canvas_rotate = GX_TRUE;
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gx_system_dirty_mark((GX_WIDGET *)&rotate_screen.rotate_screen_pixelmap_window);
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break;
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case GX_SIGNAL(ID_DIRECT_ROTATE, GX_EVENT_TOGGLE_OFF):
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canvas_rotate = GX_FALSE;
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gx_system_dirty_mark((GX_WIDGET *)&rotate_screen.rotate_screen_pixelmap_window);
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break;
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default:
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return next_button_handler(window, myevent);
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}
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return status;
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}
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VOID pixelmap_draw(GX_WINDOW *window)
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{
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INT xpos;
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INT ypos;
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GX_PIXELMAP *pixelmap;
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GX_RECTANGLE win_size;
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GX_PIXELMAP destination;
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INT x_axis_old;
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INT y_axis_old;
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INT x_axis;
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INT y_axis;
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gx_window_draw((GX_WINDOW*)window);
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gx_context_pixelmap_get(rotate_pixelmap_id, &pixelmap);
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win_size = rotate_screen.rotate_screen_pixelmap_window.gx_widget_size;
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xpos = (win_size.gx_rectangle_right + win_size.gx_rectangle_left - pixelmap->gx_pixelmap_width) >> 1;
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ypos = (win_size.gx_rectangle_top + win_size.gx_rectangle_bottom - pixelmap->gx_pixelmap_height) >> 1;
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if (canvas_rotate)
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{
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gx_canvas_pixelmap_rotate(xpos, ypos, pixelmap, rotate_angle, -1, -1);
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}
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else
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{
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x_axis_old = (pixelmap->gx_pixelmap_width >> 1);
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y_axis_old = (pixelmap->gx_pixelmap_height >> 1);
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x_axis = x_axis_old;
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y_axis = y_axis_old;
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if (gx_utility_pixelmap_rotate(pixelmap, rotate_angle, &destination, &x_axis, &y_axis) == GX_SUCCESS)
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{
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xpos += x_axis_old - x_axis;
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ypos += y_axis_old - y_axis;
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/* Draw rotated pixelmap. */
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gx_canvas_pixelmap_draw(xpos, ypos, &destination);
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/* free memory of the rotated pixelmap */
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if (destination.gx_pixelmap_data)
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{
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memory_free((VOID *)destination.gx_pixelmap_data);
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}
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if (destination.gx_pixelmap_aux_data)
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{
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memory_free((VOID *)destination.gx_pixelmap_aux_data);
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}
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}
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else
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{
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gx_canvas_pixelmap_draw(xpos, ypos, pixelmap);
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}
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}
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}
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