1 #include <stdio.h>
2 #include "gx_api.h"
3 #include "all_widgets_5_4_2_resources.h"
4 #include "all_widgets_5_4_2_specifications.h"
5
6 extern VOID rotate_memory_free(VOID *mem);
7
8 INT rotate_angle = 30;
9 INT rotate_pixelmap_id = GX_PIXELMAP_ID_ROTATE_FOOT;
10 GX_BOOL canvas_rotate = GX_FALSE;
11
update_angle_prompt()12 VOID update_angle_prompt()
13 {
14 GX_PROMPT *pp;
15 static GX_CHAR text[10];
16
17 gx_widget_find((GX_WIDGET *)&rotate_screen, ID_ANGLE_DISPLAY, 0, &pp);
18
19 if (pp)
20 {
21 gx_utility_ltoa(rotate_angle, text, 10);
22 gx_prompt_text_set(pp, text);
23 }
24 }
25
rotate_event_handler(GX_WINDOW * window,GX_EVENT * myevent)26 UINT rotate_event_handler(GX_WINDOW *window, GX_EVENT *myevent)
27 {
28 UINT status = 0;
29
30 switch (myevent->gx_event_type)
31 {
32 case GX_SIGNAL(ID_SLIDER_ANGLE, GX_EVENT_SLIDER_VALUE):
33 rotate_angle = myevent->gx_event_payload.gx_event_longdata;
34 update_angle_prompt();
35 gx_system_dirty_mark((GX_WIDGET *)&rotate_screen.rotate_screen_pixelmap_window);
36 break;
37
38 case GX_SIGNAL(ID_RADIO_FOOT, GX_EVENT_RADIO_SELECT):
39 rotate_pixelmap_id = GX_PIXELMAP_ID_ROTATE_FOOT;
40 gx_system_dirty_mark((GX_WIDGET *)&rotate_screen.rotate_screen_pixelmap_window);
41 break;
42
43 case GX_SIGNAL(ID_RADIO_APPLE, GX_EVENT_RADIO_SELECT):
44 rotate_pixelmap_id = GX_PIXELMAP_ID_ROTATE_APPLE;
45 gx_system_dirty_mark((GX_WIDGET *)&rotate_screen.rotate_screen_pixelmap_window);
46 break;
47
48 case GX_SIGNAL(ID_RADIO_FISH, GX_EVENT_RADIO_SELECT):
49 rotate_pixelmap_id = GX_PIXELMAP_ID_ROTATE_FISH;
50 gx_system_dirty_mark((GX_WIDGET *)&rotate_screen.rotate_screen_pixelmap_window);
51 break;
52
53 case GX_SIGNAL(ID_DIRECT_ROTATE, GX_EVENT_TOGGLE_ON):
54 canvas_rotate = GX_TRUE;
55 gx_system_dirty_mark((GX_WIDGET *)&rotate_screen.rotate_screen_pixelmap_window);
56 break;
57
58 case GX_SIGNAL(ID_DIRECT_ROTATE, GX_EVENT_TOGGLE_OFF):
59 canvas_rotate = GX_FALSE;
60 gx_system_dirty_mark((GX_WIDGET *)&rotate_screen.rotate_screen_pixelmap_window);
61 break;
62
63 default:
64 return gx_window_event_process(window, myevent);
65 break;
66 }
67 return status;
68 }
69
pixelmap_draw(GX_WINDOW * window)70 VOID pixelmap_draw(GX_WINDOW *window)
71 {
72 INT xpos;
73 INT ypos;
74 GX_PIXELMAP *pixelmap;
75 GX_RECTANGLE win_size;
76 GX_PIXELMAP destination;
77 INT x_axis_old;
78 INT y_axis_old;
79 INT x_axis;
80 INT y_axis;
81
82 gx_window_draw((GX_WINDOW*)window);
83
84 gx_context_pixelmap_get(rotate_pixelmap_id, &pixelmap);
85
86 win_size = rotate_screen.rotate_screen_pixelmap_window.gx_widget_size;
87
88 xpos = (win_size.gx_rectangle_right + win_size.gx_rectangle_left - pixelmap->gx_pixelmap_width) >> 1;
89 ypos = (win_size.gx_rectangle_top + win_size.gx_rectangle_bottom - pixelmap->gx_pixelmap_height) >> 1;
90
91 if (canvas_rotate)
92 {
93 if ((rotate_angle % 360) > 180)
94 {
95 x_axis = (pixelmap->gx_pixelmap_width >> 1);
96 y_axis = (pixelmap->gx_pixelmap_height >> 1);
97 }
98 else
99 {
100 x_axis = -1;
101 y_axis = -1;
102 }
103 gx_canvas_pixelmap_rotate(xpos, ypos, pixelmap, rotate_angle, x_axis, y_axis);
104 }
105 else
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, rotate_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 rotate_memory_free((VOID *)destination.gx_pixelmap_data);
125 }
126 if (destination.gx_pixelmap_aux_data)
127 {
128 rotate_memory_free((VOID *)destination.gx_pixelmap_aux_data);
129 }
130 }
131 else
132 {
133 gx_canvas_pixelmap_draw(xpos, ypos, pixelmap);
134 }
135 }
136 }
137
