1 #include <stdio.h>
2 #include "gx_api.h"
3 #include "all_widgets_8bpp_resources.h"
4 #include "all_widgets_8bpp_specifications.h"
5
6 extern VOID memory_free(VOID *mem);
7
8 INT rotate_angle = 270;
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 GX_STRING string;
17
18 gx_widget_find((GX_WIDGET *)&rotate_screen, ID_ANGLE_DISPLAY, 0, &pp);
19
20 if (pp)
21 {
22 gx_utility_ltoa(rotate_angle, text, 10);
23 string.gx_string_ptr = text;
24 string.gx_string_length = strnlen(text, sizeof(text));
25 gx_prompt_text_set_ext(pp, &string);
26 }
27 }
28
rotate_event_handler(GX_WINDOW * window,GX_EVENT * myevent)29 UINT rotate_event_handler(GX_WINDOW *window, GX_EVENT *myevent)
30 {
31 UINT status = 0;
32
33 switch (myevent->gx_event_type)
34 {
35 case GX_SIGNAL(ID_SLIDER_ANGLE, GX_EVENT_SLIDER_VALUE):
36 rotate_angle = myevent->gx_event_payload.gx_event_longdata;
37 update_angle_prompt();
38 gx_system_dirty_mark((GX_WIDGET *)&rotate_screen.rotate_screen_pixelmap_window);
39 break;
40
41 case GX_SIGNAL(ID_RADIO_FOOT, GX_EVENT_RADIO_SELECT):
42 rotate_pixelmap_id = GX_PIXELMAP_ID_ROTATE_FOOT;
43 gx_system_dirty_mark((GX_WIDGET *)&rotate_screen.rotate_screen_pixelmap_window);
44 break;
45
46 case GX_SIGNAL(ID_RADIO_APPLE, GX_EVENT_RADIO_SELECT):
47 rotate_pixelmap_id = GX_PIXELMAP_ID_ROTATE_APPLE;
48 gx_system_dirty_mark((GX_WIDGET *)&rotate_screen.rotate_screen_pixelmap_window);
49 break;
50
51 case GX_SIGNAL(ID_RADIO_FISH, GX_EVENT_RADIO_SELECT):
52 rotate_pixelmap_id = GX_PIXELMAP_ID_ROTATE_FISH;
53 gx_system_dirty_mark((GX_WIDGET *)&rotate_screen.rotate_screen_pixelmap_window);
54 break;
55
56 case GX_SIGNAL(ID_DIRECT_ROTATE, GX_EVENT_TOGGLE_ON):
57 canvas_rotate = GX_TRUE;
58 gx_system_dirty_mark((GX_WIDGET *)&rotate_screen.rotate_screen_pixelmap_window);
59 break;
60
61 case GX_SIGNAL(ID_DIRECT_ROTATE, GX_EVENT_TOGGLE_OFF):
62 canvas_rotate = GX_FALSE;
63 gx_system_dirty_mark((GX_WIDGET *)&rotate_screen.rotate_screen_pixelmap_window);
64 break;
65
66 default:
67 return next_button_handler(window, myevent);
68 }
69 return status;
70 }
71
pixelmap_draw(GX_WINDOW * window)72 VOID pixelmap_draw(GX_WINDOW *window)
73 {
74 INT xpos;
75 INT ypos;
76 GX_PIXELMAP *pixelmap;
77 GX_RECTANGLE win_size;
78 GX_PIXELMAP destination;
79 INT x_axis_old;
80 INT y_axis_old;
81 INT x_axis;
82 INT y_axis;
83
84 gx_window_draw((GX_WINDOW*)window);
85
86 gx_context_pixelmap_get(rotate_pixelmap_id, &pixelmap);
87
88 win_size = rotate_screen.rotate_screen_pixelmap_window.gx_widget_size;
89
90 xpos = (win_size.gx_rectangle_right + win_size.gx_rectangle_left - pixelmap->gx_pixelmap_width) >> 1;
91 ypos = (win_size.gx_rectangle_top + win_size.gx_rectangle_bottom - pixelmap->gx_pixelmap_height) >> 1;
92
93 if (canvas_rotate)
94 {
95 gx_canvas_pixelmap_rotate(xpos, ypos, pixelmap, rotate_angle, -1, -1);
96 }
97 else
98 {
99 x_axis_old = (pixelmap->gx_pixelmap_width >> 1);
100 y_axis_old = (pixelmap->gx_pixelmap_height >> 1);
101
102 x_axis = x_axis_old;
103 y_axis = y_axis_old;
104
105 if (gx_utility_pixelmap_rotate(pixelmap, rotate_angle, &destination, &x_axis, &y_axis) == GX_SUCCESS)
106 {
107 xpos += x_axis_old - x_axis;
108 ypos += y_axis_old - y_axis;
109
110 /* Draw rotated pixelmap. */
111 gx_canvas_pixelmap_draw(xpos, ypos, &destination);
112
113 /* free memory of the rotated pixelmap */
114 if (destination.gx_pixelmap_data)
115 {
116 memory_free((VOID *)destination.gx_pixelmap_data);
117 }
118 if (destination.gx_pixelmap_aux_data)
119 {
120 memory_free((VOID *)destination.gx_pixelmap_aux_data);
121 }
122 }
123 else
124 {
125 gx_canvas_pixelmap_draw(xpos, ypos, pixelmap);
126 }
127 }
128 }
129
