1 /****************************************************************/
2 /* This file tests gx_utility_4444argb_roate and */
3 /* _gx_display_driver_16bpp_pixelmap_rotate */
4 /* */
5 /****************************************************************/
6 #include <stdio.h>
7 #include "gx_api.h"
8 #include "all_widgets_16bpp_rotated_cw_binary_resources.h"
9 #include "all_widgets_16bpp_rotated_cw_binary_specifications.h"
10
11 extern VOID dynamic_memory_free(VOID *mem);
12
13 INT angle = 90;
14 GX_BOOL direct = GX_FALSE;
15 INT rotate_pixelmap_id = GX_PIXELMAP_ID_ROTATE_FOOT;
16
rotate_event_handler(GX_WINDOW * window,GX_EVENT * myevent)17 UINT rotate_event_handler(GX_WINDOW *window, GX_EVENT *myevent)
18 {
19 switch (myevent->gx_event_type)
20 {
21 case GX_SIGNAL(ID_SLIDER_ANGLE, GX_EVENT_SLIDER_VALUE):
22 angle = myevent->gx_event_payload.gx_event_longdata;
23 gx_numeric_prompt_value_set(&rotate_screen.rotate_screen_angle_value, angle);
24 gx_system_dirty_mark(window);
25 break;
26
27 case GX_SIGNAL(ID_RADIO_FOOT, GX_EVENT_RADIO_SELECT):
28 rotate_pixelmap_id = GX_PIXELMAP_ID_ROTATE_FOOT;
29 gx_system_dirty_mark(window);
30 break;
31
32 case GX_SIGNAL(ID_RADIO_APPLE, GX_EVENT_RADIO_SELECT):
33 rotate_pixelmap_id = GX_PIXELMAP_ID_ROTATE_APPLE;
34 gx_system_dirty_mark(window);
35 break;
36
37 case GX_SIGNAL(ID_RADIO_FISH, GX_EVENT_RADIO_SELECT):
38 rotate_pixelmap_id = GX_PIXELMAP_ID_ROTATE_FISH;
39 gx_system_dirty_mark(window);
40 break;
41
42 case GX_SIGNAL(ID_DIRECT_ROTATE, GX_EVENT_TOGGLE_ON):
43 direct = GX_TRUE;
44 gx_system_dirty_mark(window);
45 break;
46
47 case GX_SIGNAL(ID_DIRECT_ROTATE, GX_EVENT_TOGGLE_OFF):
48 direct = GX_FALSE;
49 gx_system_dirty_mark(window);
50 break;
51
52 default:
53 return next_button_handler(window, myevent);
54 break;
55 }
56
57 return 0;
58 }
59
pixelmap_draw(GX_WINDOW * window)60 VOID pixelmap_draw(GX_WINDOW *window)
61 {
62 INT xpos;
63 INT ypos;
64 GX_PIXELMAP *pixelmap;
65 GX_RECTANGLE win_size;
66 GX_PIXELMAP destination;
67 INT x_axis_old;
68 INT y_axis_old;
69 INT x_axis;
70 INT y_axis;
71
72 gx_window_draw((GX_WINDOW*)window);
73
74 gx_context_pixelmap_get(rotate_pixelmap_id, &pixelmap);
75 win_size = window->gx_widget_size;
76
77 xpos = (win_size.gx_rectangle_right + win_size.gx_rectangle_left - pixelmap->gx_pixelmap_width) >> 1;
78 ypos = (win_size.gx_rectangle_top + win_size.gx_rectangle_bottom - pixelmap->gx_pixelmap_height) >> 1;
79
80 gx_context_brush_define(GX_COLOR_ID_GRAY, GX_COLOR_ID_GRAY, 0);
81
82 if (direct)
83 {
84 gx_canvas_pixelmap_rotate(xpos, ypos, pixelmap, angle, -1, -1);
85 }
86 else
87 {
88 x_axis_old = (pixelmap->gx_pixelmap_width >> 1);
89 y_axis_old = (pixelmap->gx_pixelmap_height >> 1);
90
91 x_axis = x_axis_old;
92 y_axis = y_axis_old;
93
94 if (gx_utility_pixelmap_rotate(pixelmap, angle, &destination, &x_axis, &y_axis) == GX_SUCCESS)
95 {
96 xpos += x_axis_old - x_axis;
97 ypos += y_axis_old - y_axis;
98
99 /* Draw rotated pixelmap. */
100 gx_canvas_pixelmap_draw(xpos, ypos, &destination);
101
102 /* free memory of the rotated pixelmap */
103 if (destination.gx_pixelmap_data)
104 {
105 dynamic_memory_free((VOID *)destination.gx_pixelmap_data);
106 }
107 if (destination.gx_pixelmap_aux_data)
108 {
109 dynamic_memory_free((VOID *)destination.gx_pixelmap_aux_data);
110 }
111 }
112 else
113 {
114 gx_canvas_pixelmap_draw(xpos, ypos, pixelmap);
115 }
116 }
117 }
118
