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_resources.h"
9 #include "all_widgets_16bpp_rotated_specifications.h"
10
11 extern GX_CONST GX_PIXELMAP *Main_Display_theme_1_pixelmap_table[];
12 extern VOID dynamic_memory_free(VOID *mem);
13
14 extern GX_WINDOW *pRotateScreen;
15 extern GX_WINDOW *pRotateWin;
16 INT angle = 90;
17 GX_BOOL direct = GX_FALSE;
18 INT rotate_pixelmap_id = GX_PIXELMAP_ID_ROTATE_FOOT;
19
update_angle_prompt()20 VOID update_angle_prompt()
21 {
22 GX_PROMPT *pp;
23 static GX_CHAR rotate_angle[10];
24
25 gx_widget_find(pRotateScreen, ID_ANGLE_DISPLAY, 0, &pp);
26
27 if (pp)
28 {
29 gx_utility_ltoa(angle, rotate_angle, 10);
30 gx_prompt_text_set(pp, rotate_angle);
31 }
32 }
33
rotate_event_handler(GX_WINDOW * window,GX_EVENT * myevent)34 UINT rotate_event_handler(GX_WINDOW *window, GX_EVENT *myevent)
35 {
36 UINT status = 0;
37
38 switch (myevent->gx_event_type)
39 {
40 case GX_SIGNAL(ID_SLIDER_ANGLE, GX_EVENT_SLIDER_VALUE):
41 angle = myevent->gx_event_payload.gx_event_longdata;
42 update_angle_prompt();
43 gx_system_dirty_mark(pRotateScreen);
44 break;
45
46 case GX_SIGNAL(ID_RADIO_FOOT, GX_EVENT_RADIO_SELECT):
47 rotate_pixelmap_id = GX_PIXELMAP_ID_ROTATE_FOOT;
48 gx_system_dirty_mark(pRotateScreen);
49 break;
50
51 case GX_SIGNAL(ID_RADIO_APPLE, GX_EVENT_RADIO_SELECT):
52 rotate_pixelmap_id = GX_PIXELMAP_ID_ROTATE_APPLE;
53 gx_system_dirty_mark(pRotateScreen);
54 break;
55
56 case GX_SIGNAL(ID_RADIO_FISH, GX_EVENT_RADIO_SELECT):
57 rotate_pixelmap_id = GX_PIXELMAP_ID_ROTATE_FISH;
58 gx_system_dirty_mark(pRotateScreen);
59 break;
60
61 case GX_SIGNAL(ID_DIRECT_ROTATE, GX_EVENT_TOGGLE_ON):
62 direct = GX_TRUE;
63 gx_system_dirty_mark(pRotateScreen);
64 break;
65
66 case GX_SIGNAL(ID_DIRECT_ROTATE, GX_EVENT_TOGGLE_OFF):
67 direct = GX_FALSE;
68 gx_system_dirty_mark(pRotateScreen);
69 break;
70
71 default:
72 return next_button_handler(window, myevent);
73 break;
74 }
75 return status;
76 }
77
pixelmap_draw(GX_WINDOW * window)78 VOID pixelmap_draw(GX_WINDOW *window)
79 {
80 INT xpos;
81 INT ypos;
82 GX_PIXELMAP *pixelmap;
83 GX_RECTANGLE win_size;
84 GX_PIXELMAP destination;
85 INT x_axis_old;
86 INT y_axis_old;
87 INT x_axis;
88 INT y_axis;
89
90 gx_window_draw((GX_WINDOW*)window);
91
92 pixelmap = (GX_PIXELMAP *)Main_Display_theme_1_pixelmap_table[rotate_pixelmap_id];
93 win_size = pRotateWin->gx_widget_size;
94
95 xpos = (win_size.gx_rectangle_right + win_size.gx_rectangle_left - pixelmap->gx_pixelmap_width) >> 1;
96 ypos = (win_size.gx_rectangle_top + win_size.gx_rectangle_bottom - pixelmap->gx_pixelmap_height) >> 1;
97
98 gx_context_brush_define(GX_COLOR_ID_GRAY, GX_COLOR_ID_GRAY, 0);
99
100 if (direct)
101 {
102 gx_canvas_pixelmap_rotate(xpos, ypos, pixelmap, angle, -1, -1);
103 }
104 else
105 {
106 x_axis_old = (pixelmap->gx_pixelmap_width >> 1);
107 y_axis_old = (pixelmap->gx_pixelmap_height >> 1);
108
109 x_axis = x_axis_old;
110 y_axis = y_axis_old;
111
112 if (gx_utility_pixelmap_rotate(pixelmap, angle, &destination, &x_axis, &y_axis) == GX_SUCCESS)
113 {
114 xpos += x_axis_old - x_axis;
115 ypos += y_axis_old - y_axis;
116
117 /* Draw rotated pixelmap. */
118 gx_canvas_pixelmap_draw(xpos, ypos, &destination);
119
120 /* free memory of the rotated pixelmap */
121 if (destination.gx_pixelmap_data)
122 {
123 dynamic_memory_free((VOID *)destination.gx_pixelmap_data);
124 }
125 if (destination.gx_pixelmap_aux_data)
126 {
127 dynamic_memory_free((VOID *)destination.gx_pixelmap_aux_data);
128 }
129 }
130 else
131 {
132 gx_canvas_pixelmap_draw(xpos, ypos, pixelmap);
133 }
134 }
135 }
136
