1 /**************************************************************************/
2 /* */
3 /* Copyright (c) Microsoft Corporation. All rights reserved. */
4 /* */
5 /* This software is licensed under the Microsoft Software License */
6 /* Terms for Microsoft Azure RTOS. Full text of the license can be */
7 /* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
8 /* and in the root directory of this software. */
9 /* */
10 /**************************************************************************/
11
12
13 /**************************************************************************/
14 /**************************************************************************/
15 /** */
16 /** GUIX Component */
17 /** */
18 /** Sprite Management (Sprite) */
19 /** */
20 /**************************************************************************/
21
22 #define GX_SOURCE_CODE
23
24
25 /* Include necessary system files. */
26
27 #include "gx_api.h"
28 #include "gx_system.h"
29 #include "gx_display.h"
30 #include "gx_context.h"
31 #include "gx_canvas.h"
32 #include "gx_widget.h"
33 #include "gx_sprite.h"
34
35
36 /**************************************************************************/
37 /* */
38 /* FUNCTION RELEASE */
39 /* */
40 /* _gx_sprite_draw PORTABLE C */
41 /* 6.1.9 */
42 /* AUTHOR */
43 /* */
44 /* Kenneth Maxwell, Microsoft Corporation */
45 /* */
46 /* DESCRIPTION */
47 /* */
48 /* This service draws a sprite widget. */
49 /* */
50 /* INPUT */
51 /* */
52 /* sprite Pointer to sprite widget */
53 /* control block */
54 /* */
55 /* OUTPUT */
56 /* */
57 /* None */
58 /* */
59 /* CALLS */
60 /* */
61 /* _gx_context_pixelmap_get Get the pixelmap in the */
62 /* current context */
63 /* _gx_canvas_pixelmap_blend Blend pixelmap */
64 /* _gx_canvas_pixelmap_draw Draw pixelmap */
65 /* _gx_widget_children_draw Draw the children of a widget */
66 /* */
67 /* */
68 /* CALLED BY */
69 /* */
70 /* Application Code */
71 /* GUIX Internal Code */
72 /* */
73 /* RELEASE HISTORY */
74 /* */
75 /* DATE NAME DESCRIPTION */
76 /* */
77 /* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */
78 /* 09-30-2020 Kenneth Maxwell Modified comment(s), */
79 /* resulting in version 6.1 */
80 /* 10-15-2021 Ting Zhu Modified comment(s), */
81 /* supported alphamap draw, */
82 /* resulting in version 6.1.9 */
83 /* */
84 /**************************************************************************/
_gx_sprite_draw(GX_SPRITE * sprite)85 VOID _gx_sprite_draw(GX_SPRITE *sprite)
86 {
87 GX_SPRITE_FRAME *frame;
88 GX_PIXELMAP *map;
89 GX_VALUE xpos;
90 GX_VALUE ypos;
91
92 /* Draw sprite background. */
93 _gx_widget_background_draw((GX_WIDGET *)sprite);
94
95 if (sprite -> gx_sprite_frame_list)
96 {
97 if (sprite -> gx_sprite_current_frame < sprite -> gx_sprite_frame_count)
98 {
99 frame = &sprite -> gx_sprite_frame_list[sprite -> gx_sprite_current_frame];
100 if (frame -> gx_sprite_frame_pixelmap)
101 {
102 _gx_widget_context_fill_set((GX_WIDGET *)sprite);
103
104 _gx_context_pixelmap_get(frame -> gx_sprite_frame_pixelmap, &map);
105 if (map)
106 {
107 xpos = (GX_VALUE)(sprite -> gx_widget_size.gx_rectangle_left + frame -> gx_sprite_frame_x_offset);
108 ypos = (GX_VALUE)(sprite -> gx_widget_size.gx_rectangle_top + frame -> gx_sprite_frame_y_offset);
109
110 if (frame -> gx_sprite_frame_alpha != GX_ALPHA_VALUE_OPAQUE)
111 {
112 _gx_canvas_pixelmap_blend(xpos, ypos, map, frame -> gx_sprite_frame_alpha);
113 }
114 else
115 {
116 _gx_canvas_pixelmap_draw(xpos, ypos, map);
117 }
118 }
119 }
120 }
121 }
122
123 /* Draw children widgets of prompt widget. */
124 _gx_widget_children_draw((GX_WIDGET *)sprite);
125 }
126
127
