1 /***************************************************************************
2 * Copyright (c) 2024 Microsoft Corporation
3 *
4 * This program and the accompanying materials are made available under the
5 * terms of the MIT License which is available at
6 * https://opensource.org/licenses/MIT.
7 *
8 * SPDX-License-Identifier: MIT
9 **************************************************************************/
10
11
12 /**************************************************************************/
13 /**************************************************************************/
14 /** */
15 /** GUIX Component */
16 /** */
17 /** Sprite Management (Sprite) */
18 /** */
19 /**************************************************************************/
20
21 #define GX_SOURCE_CODE
22
23
24 /* Include necessary system files. */
25
26 #include "gx_api.h"
27 #include "gx_system.h"
28 #include "gx_display.h"
29 #include "gx_context.h"
30 #include "gx_canvas.h"
31 #include "gx_widget.h"
32 #include "gx_sprite.h"
33
34
35 /**************************************************************************/
36 /* */
37 /* FUNCTION RELEASE */
38 /* */
39 /* _gx_sprite_draw PORTABLE C */
40 /* 6.1.9 */
41 /* AUTHOR */
42 /* */
43 /* Kenneth Maxwell, Microsoft Corporation */
44 /* */
45 /* DESCRIPTION */
46 /* */
47 /* This service draws a sprite widget. */
48 /* */
49 /* INPUT */
50 /* */
51 /* sprite Pointer to sprite widget */
52 /* control block */
53 /* */
54 /* OUTPUT */
55 /* */
56 /* None */
57 /* */
58 /* CALLS */
59 /* */
60 /* _gx_context_pixelmap_get Get the pixelmap in the */
61 /* current context */
62 /* _gx_canvas_pixelmap_blend Blend pixelmap */
63 /* _gx_canvas_pixelmap_draw Draw pixelmap */
64 /* _gx_widget_children_draw Draw the children of a widget */
65 /* */
66 /* */
67 /* CALLED BY */
68 /* */
69 /* Application Code */
70 /* GUIX Internal Code */
71 /* */
72 /* RELEASE HISTORY */
73 /* */
74 /* DATE NAME DESCRIPTION */
75 /* */
76 /* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */
77 /* 09-30-2020 Kenneth Maxwell Modified comment(s), */
78 /* resulting in version 6.1 */
79 /* 10-15-2021 Ting Zhu Modified comment(s), */
80 /* supported alphamap draw, */
81 /* resulting in version 6.1.9 */
82 /* */
83 /**************************************************************************/
_gx_sprite_draw(GX_SPRITE * sprite)84 VOID _gx_sprite_draw(GX_SPRITE *sprite)
85 {
86 GX_SPRITE_FRAME *frame;
87 GX_PIXELMAP *map;
88 GX_VALUE xpos;
89 GX_VALUE ypos;
90
91 /* Draw sprite background. */
92 _gx_widget_background_draw((GX_WIDGET *)sprite);
93
94 if (sprite -> gx_sprite_frame_list)
95 {
96 if (sprite -> gx_sprite_current_frame < sprite -> gx_sprite_frame_count)
97 {
98 frame = &sprite -> gx_sprite_frame_list[sprite -> gx_sprite_current_frame];
99 if (frame -> gx_sprite_frame_pixelmap)
100 {
101 _gx_widget_context_fill_set((GX_WIDGET *)sprite);
102
103 _gx_context_pixelmap_get(frame -> gx_sprite_frame_pixelmap, &map);
104 if (map)
105 {
106 xpos = (GX_VALUE)(sprite -> gx_widget_size.gx_rectangle_left + frame -> gx_sprite_frame_x_offset);
107 ypos = (GX_VALUE)(sprite -> gx_widget_size.gx_rectangle_top + frame -> gx_sprite_frame_y_offset);
108
109 if (frame -> gx_sprite_frame_alpha != GX_ALPHA_VALUE_OPAQUE)
110 {
111 _gx_canvas_pixelmap_blend(xpos, ypos, map, frame -> gx_sprite_frame_alpha);
112 }
113 else
114 {
115 _gx_canvas_pixelmap_draw(xpos, ypos, map);
116 }
117 }
118 }
119 }
120 }
121
122 /* Draw children widgets of prompt widget. */
123 _gx_widget_children_draw((GX_WIDGET *)sprite);
124 }
125
126
