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135 lines
3.9 KiB
C
135 lines
3.9 KiB
C
/****************************************************************/
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/* This file tests gx_utility_4444argb_roate and */
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/* _gx_display_driver_16bpp_pixelmap_rotate */
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/* */
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/****************************************************************/
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#include <stdio.h>
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#include "gx_api.h"
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#include "all_widgets_synergy_8bpp_resources.h"
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#include "all_widgets_synergy_8bpp_specifications.h"
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extern VOID dynamic_memory_free(VOID *mem);
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extern GX_WINDOW *pRotateScreen;
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extern GX_WINDOW *pRotateWin;
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INT angle = 90;
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GX_BOOL direct = GX_FALSE;
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INT rotate_pixelmap_id = GX_PIXELMAP_ID_ROTATE_FOOT;
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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 rotate_angle[10];
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gx_widget_find(pRotateScreen, ID_ANGLE_DISPLAY, 0, &pp);
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if (pp)
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{
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gx_utility_ltoa(angle, rotate_angle, 10);
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gx_prompt_text_set(pp, rotate_angle);
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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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angle = myevent->gx_event_payload.gx_event_longdata;
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update_angle_prompt();
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gx_system_dirty_mark(pRotateScreen);
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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(pRotateScreen);
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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(pRotateScreen);
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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(pRotateScreen);
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break;
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case GX_SIGNAL(ID_DIRECT_ROTATE, GX_EVENT_TOGGLE_ON):
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direct = GX_TRUE;
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gx_system_dirty_mark(pRotateScreen);
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break;
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case GX_SIGNAL(ID_DIRECT_ROTATE, GX_EVENT_TOGGLE_OFF):
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direct = GX_FALSE;
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gx_system_dirty_mark(pRotateScreen);
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break;
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default:
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return next_button_handler(window, myevent);
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break;
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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 = pRotateWin->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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gx_context_brush_define(GX_COLOR_ID_GRAY, GX_COLOR_ID_GRAY, 0);
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if (direct)
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{
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gx_canvas_pixelmap_rotate(xpos, ypos, pixelmap, 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, 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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dynamic_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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dynamic_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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