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 /**   Display Management (Display)                                        */
18 /**                                                                       */
19 /**************************************************************************/
20 
21 #define GX_SOURCE_CODE
22 
23 
24 /* Include necessary system files.  */
25 
26 #include "gx_api.h"
27 #include "gx_context.h"
28 #include "gx_system.h"
29 #include "gx_display.h"
30 #include "gx_image_reader.h"
31 
32 /**************************************************************************/
33 /*                                                                        */
34 /*  FUNCTION                                               RELEASE        */
35 /*                                                                        */
36 /*    _gx_display_driver_24xrgb_png_draw                  PORTABLE C      */
37 /*                                                           6.1          */
38 /*  AUTHOR                                                                */
39 /*                                                                        */
40 /*    Kenneth Maxwell, Microsoft Corporation                              */
41 /*                                                                        */
42 /*  DESCRIPTION                                                           */
43 /*                                                                        */
44 /*    24xrgb format screen driver PNG drawing function.                   */
45 /*                                                                        */
46 /*  INPUT                                                                 */
47 /*                                                                        */
48 /*    context                               Drawing context               */
49 /*    xpos                                  x-coord of top-left draw point*/
50 /*    ypos                                  y-coord of top-left draw point*/
51 /*    pixelmap                              Pointer to GX_PIXELMAP struct */
52 /*                                                                        */
53 /*  OUTPUT                                                                */
54 /*                                                                        */
55 /*    None                                                                */
56 /*                                                                        */
57 /*  CALLS                                                                 */
58 /*                                                                        */
59 /*    _gx_image_reader_create                                             */
60 /*    _gx_image_reader_start                                              */
61 /*    _gx_display_driver_24xrgb_pixelmap_draw                             */
62 /*    _gx_system_memory_free                                              */
63 /*                                                                        */
64 /*  CALLED BY                                                             */
65 /*                                                                        */
66 /*    Application Code                                                    */
67 /*    GUIX Internal Code                                                  */
68 /*                                                                        */
69 /*  RELEASE HISTORY                                                       */
70 /*                                                                        */
71 /*    DATE              NAME                      DESCRIPTION             */
72 /*                                                                        */
73 /*  05-19-2020     Kenneth Maxwell          Initial Version 6.0           */
74 /*  09-30-2020     Kenneth Maxwell          Modified comment(s),          */
75 /*                                            resulting in version 6.1    */
76 /*                                                                        */
77 /**************************************************************************/
78 #if defined(GX_SOFTWARE_DECODER_SUPPORT)
_gx_display_driver_24xrgb_png_draw(GX_DRAW_CONTEXT * context,INT xpos,INT ypos,GX_PIXELMAP * pixelmap)79 VOID _gx_display_driver_24xrgb_png_draw(GX_DRAW_CONTEXT *context, INT xpos, INT ypos, GX_PIXELMAP *pixelmap)
80 {
81 GX_IMAGE_READER image_reader;
82 GX_PIXELMAP     pic_outmap;
83 
84     _gx_image_reader_create(&image_reader,
85                             pixelmap -> gx_pixelmap_data,
86                             (INT)pixelmap -> gx_pixelmap_data_size,
87                             GX_COLOR_FORMAT_24XRGB, GX_IMAGE_READER_MODE_ALPHA);
88 
89     if (_gx_image_reader_start(&image_reader, &pic_outmap) == GX_SUCCESS)
90     {
91         _gx_display_driver_24xrgb_pixelmap_draw(context, xpos, ypos, &pic_outmap);
92 
93         _gx_system_memory_free((VOID *)pic_outmap.gx_pixelmap_data);
94     }
95 }
96 #endif
97 
98