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_565rgb_rotated_png_draw PORTABLE C */
37 /* 6.1.3 */
38 /* AUTHOR */
39 /* */
40 /* Kenneth Maxwell, Microsoft Corporation */
41 /* */
42 /* DESCRIPTION */
43 /* */
44 /* 565rgb format display 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_565rgb_rotated_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 /* 12-31-2020 Kenneth Maxwell Initial Version 6.1.3 */
74 /* */
75 /**************************************************************************/
76 #if defined(GX_SOFTWARE_DECODER_SUPPORT)
_gx_display_driver_565rgb_rotated_png_draw(GX_DRAW_CONTEXT * context,INT xpos,INT ypos,GX_PIXELMAP * pixelmap)77 VOID _gx_display_driver_565rgb_rotated_png_draw(GX_DRAW_CONTEXT *context, INT xpos, INT ypos, GX_PIXELMAP *pixelmap)
78 {
79 GX_IMAGE_READER image_reader;
80 GX_PIXELMAP pic_outmap;
81 GX_UBYTE mode = GX_IMAGE_READER_MODE_ALPHA;
82
83 if (context->gx_draw_context_display->gx_display_rotation_angle == GX_SCREEN_ROTATION_CW)
84 {
85 mode |= GX_IMAGE_READER_MODE_ROTATE_CW;
86 }
87 else
88 {
89 mode |= GX_IMAGE_READER_MODE_ROTATE_CCW;
90 }
91
92 _gx_image_reader_create(&image_reader,
93 pixelmap -> gx_pixelmap_data,
94 (INT)(pixelmap -> gx_pixelmap_data_size),
95 GX_COLOR_FORMAT_565RGB, mode);
96
97 if (_gx_image_reader_start(&image_reader, &pic_outmap) == GX_SUCCESS)
98 {
99 _gx_display_driver_565rgb_rotated_pixelmap_draw(context, xpos, ypos, &pic_outmap);
100
101 _gx_system_memory_free((VOID *)pic_outmap.gx_pixelmap_data);
102
103 if (pic_outmap.gx_pixelmap_aux_data)
104 {
105 _gx_system_memory_free((VOID *)pic_outmap.gx_pixelmap_aux_data);
106 }
107 }
108 }
109 #endif
110
111
