1 /* This is a small demo of the high-performance GUIX graphics framework. */
2
3 #include <stdio.h>
4 #include "all_widgets_4bpp_resources.h"
5 #include "all_widgets_4bpp_specifications.h"
6
7 GX_UBYTE alpha_value = 255;
8 GX_BOOL sprite_move_down = GX_TRUE;
9 extern GX_WINDOW *pSpriteScreen;
10 extern VOID memory_free(VOID *mem);
11
12 void move_sprite(void);
13
14
sprite_event_handler(GX_WINDOW * window,GX_EVENT * event_ptr)15 UINT sprite_event_handler(GX_WINDOW *window, GX_EVENT *event_ptr)
16 {
17 switch (event_ptr->gx_event_type)
18 {
19 case GX_SIGNAL(ID_ALPHA_SLIDER, GX_EVENT_SLIDER_VALUE):
20 alpha_value = (GX_UBYTE)event_ptr->gx_event_payload.gx_event_longdata;
21 gx_system_dirty_mark(&((SPRITE_SCREEN_CONTROL_BLOCK *)pSpriteScreen)->sprite_screen_apple_window);
22 break;
23
24 case GX_SIGNAL(ID_BIRD_SPRITE, GX_EVENT_SPRITE_COMPLETE):
25 move_sprite();
26 gx_sprite_start(&sprite_screen.sprite_screen_sprite, 0);
27 break;
28 default:
29 return next_button_handler(window, event_ptr);
30 }
31
32 return 0;
33 }
34
move_sprite(void)35 void move_sprite(void)
36 {
37 GX_RECTANGLE size;
38 GX_SPRITE *sprite = &((SPRITE_SCREEN_CONTROL_BLOCK *)pSpriteScreen)->sprite_screen_sprite;
39
40 size = sprite->gx_widget_size;
41
42 if (sprite_move_down)
43 {
44 gx_utility_rectangle_shift(&size, 100, 117);
45 sprite_move_down = GX_FALSE;
46 }
47 else
48 {
49 gx_utility_rectangle_shift(&size, 100, -57);
50 sprite_move_down = GX_TRUE;
51 }
52 if (size.gx_rectangle_bottom > pSpriteScreen->gx_widget_size.gx_rectangle_bottom)
53 {
54 size.gx_rectangle_top -= pSpriteScreen->gx_widget_size.gx_rectangle_bottom;
55 size.gx_rectangle_bottom -= pSpriteScreen->gx_widget_size.gx_rectangle_bottom;
56 }
57 if (size.gx_rectangle_top < pSpriteScreen->gx_widget_size.gx_rectangle_top)
58 {
59 size.gx_rectangle_top += pSpriteScreen->gx_widget_size.gx_rectangle_bottom;
60 size.gx_rectangle_bottom += pSpriteScreen->gx_widget_size.gx_rectangle_bottom;
61 }
62
63
64 if (size.gx_rectangle_right > pSpriteScreen->gx_widget_size.gx_rectangle_right)
65 {
66 size.gx_rectangle_left -= pSpriteScreen->gx_widget_size.gx_rectangle_right;
67 size.gx_rectangle_right -= pSpriteScreen->gx_widget_size.gx_rectangle_right;
68 }
69 gx_widget_resize(sprite, &size);
70 }
71
apple_window_draw(GX_WINDOW * window)72 VOID apple_window_draw(GX_WINDOW *window)
73 {
74 GX_PIXELMAP *map;
75 GX_PIXELMAP scaled_map;
76 int width;
77 int height;
78 int xpos;
79 int ypos;
80
81 gx_context_pixelmap_get(GX_PIXELMAP_ID_RED_APPLE, &map);
82
83 width = (alpha_value * map->gx_pixelmap_width) >> 8;
84 height = (alpha_value * map->gx_pixelmap_height) >> 8;
85
86 if ((width == 0) || (height == 0))
87 {
88 return;
89 }
90
91 if (gx_utility_pixelmap_resize(map, &scaled_map, width, height) == GX_SUCCESS)
92 {
93 xpos = window->gx_widget_size.gx_rectangle_left;
94 ypos = window->gx_widget_size.gx_rectangle_top;
95
96 xpos += (map->gx_pixelmap_width - width) >> 1;
97 ypos += (map->gx_pixelmap_height - height) >> 1;
98
99 gx_canvas_pixelmap_draw(xpos, ypos, &scaled_map);
100
101 if (scaled_map.gx_pixelmap_data)
102 {
103 memory_free((VOID *)scaled_map.gx_pixelmap_data);
104 }
105
106 if (scaled_map.gx_pixelmap_aux_data)
107 {
108 memory_free((VOID *)scaled_map.gx_pixelmap_aux_data);
109 }
110 }
111 }
112
