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 /** Display Management (Display) */
19 /** */
20 /**************************************************************************/
21
22 #define GX_SOURCE_CODE
23
24
25 /* Include necessary system files. */
26
27 #include "gx_api.h"
28 #include "gx_context.h"
29 #include "gx_system.h"
30 #include "gx_display.h"
31 #include "gx_image_reader.h"
32
33 /**************************************************************************/
34 /* */
35 /* FUNCTION RELEASE */
36 /* */
37 /* _gx_display_driver_565rgb_png_draw PORTABLE C */
38 /* 6.1 */
39 /* AUTHOR */
40 /* */
41 /* Kenneth Maxwell, Microsoft Corporation */
42 /* */
43 /* DESCRIPTION */
44 /* */
45 /* 565rgb format display driver PNG drawing function. */
46 /* */
47 /* INPUT */
48 /* */
49 /* context Drawing context */
50 /* xpos x-coord of top-left draw point*/
51 /* ypos y-coord of top-left draw point*/
52 /* pixelmap Pointer to GX_PIXELMAP struct */
53 /* */
54 /* OUTPUT */
55 /* */
56 /* None */
57 /* */
58 /* CALLS */
59 /* */
60 /* _gx_image_reader_create */
61 /* _gx_image_reader_start */
62 /* _gx_display_driver_565rgb_pixelmap_draw */
63 /* _gx_system_memory_free */
64 /* */
65 /* CALLED BY */
66 /* */
67 /* Application Code */
68 /* GUIX Internal Code */
69 /* */
70 /* RELEASE HISTORY */
71 /* */
72 /* DATE NAME DESCRIPTION */
73 /* */
74 /* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */
75 /* 09-30-2020 Kenneth Maxwell Modified comment(s), */
76 /* resulting in version 6.1 */
77 /* */
78 /**************************************************************************/
79 #if defined(GX_SOFTWARE_DECODER_SUPPORT)
_gx_display_driver_565rgb_png_draw(GX_DRAW_CONTEXT * context,INT xpos,INT ypos,GX_PIXELMAP * pixelmap)80 VOID _gx_display_driver_565rgb_png_draw(GX_DRAW_CONTEXT *context, INT xpos, INT ypos, GX_PIXELMAP *pixelmap)
81 {
82 GX_IMAGE_READER image_reader;
83 GX_PIXELMAP pic_outmap;
84
85 _gx_image_reader_create(&image_reader,
86 pixelmap -> gx_pixelmap_data,
87 (INT)(pixelmap -> gx_pixelmap_data_size),
88 GX_COLOR_FORMAT_565RGB, GX_IMAGE_READER_MODE_ALPHA);
89
90 if (_gx_image_reader_start(&image_reader, &pic_outmap) == GX_SUCCESS)
91 {
92 _gx_display_driver_565rgb_pixelmap_draw(context, xpos, ypos, &pic_outmap);
93
94 _gx_system_memory_free((VOID *)pic_outmap.gx_pixelmap_data);
95
96 if (pic_outmap.gx_pixelmap_aux_data)
97 {
98 _gx_system_memory_free((VOID *)pic_outmap.gx_pixelmap_aux_data);
99 }
100 }
101 }
102 #endif
103
104
