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 "all_widgets_4bpp_resources.h"
8 #include "all_widgets_4bpp_specifications.h"
9
10 extern VOID memory_free(VOID *mem);
11
12 extern GX_WINDOW *pRotateScreen;
13 extern GX_WINDOW *pRotateWin;
14 INT angle = 90;
15 GX_RESOURCE_ID rotate_pixelmap_id = GX_PIXELMAP_ID_ICON_FOOT;
16 GX_BOOL direct = GX_FALSE;
17
update_angle_prompt()18 VOID update_angle_prompt()
19 {
20 GX_PROMPT *pp;
21 static GX_CHAR rotate_angle[10];
22 GX_STRING string;
23
24 gx_widget_find(pRotateScreen, ID_ANGLE_DISPLAY, 0, &pp);
25
26 if (pp)
27 {
28 gx_utility_ltoa(angle, rotate_angle, 10);
29 string.gx_string_ptr = rotate_angle;
30 string.gx_string_length = strnlen(rotate_angle, sizeof(rotate_angle));
31 gx_prompt_text_set_ext(pp, &string);
32 }
33 }
34
rotate_event_handler(GX_WINDOW * window,GX_EVENT * myevent)35 UINT rotate_event_handler(GX_WINDOW *window, GX_EVENT *myevent)
36 {
37 UINT status = 0;
38
39 switch (myevent->gx_event_type)
40 {
41 case GX_SIGNAL(ID_SLIDER_ANGLE, GX_EVENT_SLIDER_VALUE):
42 angle = myevent->gx_event_payload.gx_event_longdata;
43 update_angle_prompt();
44 gx_system_dirty_mark(pRotateScreen);
45 break;
46
47 case GX_SIGNAL(ID_RADIO_FOOT, GX_EVENT_RADIO_SELECT):
48 rotate_pixelmap_id = GX_PIXELMAP_ID_ICON_FOOT;
49 gx_system_dirty_mark(pRotateScreen);
50 break;
51
52 case GX_SIGNAL(ID_RADIO_APPLE, GX_EVENT_RADIO_SELECT):
53 rotate_pixelmap_id = GX_PIXELMAP_ID_RED_APPLE;
54 gx_system_dirty_mark(pRotateScreen);
55 break;
56
57 case GX_SIGNAL(ID_RADIO_FISH, GX_EVENT_RADIO_SELECT):
58 rotate_pixelmap_id = GX_PIXELMAP_ID_ROTATE_FISH;
59 gx_system_dirty_mark(pRotateScreen);
60 break;
61
62 case GX_SIGNAL(ID_DIRECT_ROTATE, GX_EVENT_TOGGLE_ON):
63 direct = GX_TRUE;
64 gx_system_dirty_mark(pRotateScreen);
65 break;
66
67 case GX_SIGNAL(ID_DIRECT_ROTATE, GX_EVENT_TOGGLE_OFF):
68 direct = GX_FALSE;
69 gx_system_dirty_mark(pRotateScreen);
70 break;
71
72 default:
73 return next_button_handler(window, myevent);
74 break;
75 }
76 return status;
77 }
78
pixelmap_draw(GX_WINDOW * window)79 VOID pixelmap_draw(GX_WINDOW *window)
80 {
81 INT xpos;
82 INT ypos;
83 GX_PIXELMAP *pixelmap;
84 GX_RECTANGLE win_size;
85 GX_PIXELMAP destination;
86 INT x_axis_old;
87 INT y_axis_old;
88 INT x_axis;
89 INT y_axis;
90
91 gx_window_draw((GX_WINDOW*)window);
92
93 gx_context_pixelmap_get(rotate_pixelmap_id, &pixelmap);
94
95 win_size = pRotateWin->gx_widget_size;
96
97 xpos = (win_size.gx_rectangle_right + win_size.gx_rectangle_left - pixelmap->gx_pixelmap_width) >> 1;
98 ypos = (win_size.gx_rectangle_top + win_size.gx_rectangle_bottom - pixelmap->gx_pixelmap_height) >> 1;
99
100 if (direct)
101 {
102 gx_canvas_pixelmap_rotate(xpos, ypos, pixelmap, angle, -1, -1);
103 }
104 else
105 {
106
107 x_axis_old = (pixelmap->gx_pixelmap_width >> 1);
108 y_axis_old = (pixelmap->gx_pixelmap_height >> 1);
109
110 x_axis = x_axis_old;
111 y_axis = y_axis_old;
112
113 if (gx_utility_pixelmap_rotate(pixelmap, angle, &destination, &x_axis, &y_axis) == GX_SUCCESS)
114 {
115 xpos += x_axis_old - x_axis;
116 ypos += y_axis_old - y_axis;
117
118 /* Draw rotated pixelmap. */
119 gx_canvas_pixelmap_draw(xpos, ypos, &destination);
120
121 /* free memory of the rotated pixelmap */
122 if (destination.gx_pixelmap_data)
123 {
124 memory_free((VOID *)destination.gx_pixelmap_data);
125 }
126
127 if (destination.gx_pixelmap_aux_data)
128 {
129 memory_free((VOID *)destination.gx_pixelmap_aux_data);
130 }
131 }
132 else
133 {
134 gx_canvas_pixelmap_draw(xpos, ypos, pixelmap);
135 }
136 }
137 }
138
