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_24xrgb_rotated_png_draw PORTABLE C */
38 /* 6.1.4 */
39 /* AUTHOR */
40 /* */
41 /* Kenneth Maxwell, Microsoft Corporation */
42 /* */
43 /* DESCRIPTION */
44 /* */
45 /* Rotated 24xrgb format screen 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_24xrgb_rotated_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 /* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */
75 /* */
76 /**************************************************************************/
77 #if defined(GX_SOFTWARE_DECODER_SUPPORT)
_gx_display_driver_24xrgb_rotated_png_draw(GX_DRAW_CONTEXT * context,INT xpos,INT ypos,GX_PIXELMAP * pixelmap)78 VOID _gx_display_driver_24xrgb_rotated_png_draw(GX_DRAW_CONTEXT *context, INT xpos, INT ypos, GX_PIXELMAP *pixelmap)
79 {
80 GX_IMAGE_READER image_reader;
81 GX_PIXELMAP pic_outmap;
82
83 GX_UBYTE mode = GX_IMAGE_READER_MODE_ALPHA;
84
85 if (context -> gx_draw_context_display -> gx_display_rotation_angle == GX_SCREEN_ROTATION_CW)
86 {
87 mode |= GX_IMAGE_READER_MODE_ROTATE_CW;
88 }
89 else
90 {
91 mode |= GX_IMAGE_READER_MODE_ROTATE_CCW;
92 }
93
94 _gx_image_reader_create(&image_reader,
95 pixelmap -> gx_pixelmap_data,
96 (INT)pixelmap -> gx_pixelmap_data_size,
97 GX_COLOR_FORMAT_24XRGB, mode);
98
99 if (_gx_image_reader_start(&image_reader, &pic_outmap) == GX_SUCCESS)
100 {
101 _gx_display_driver_32bpp_rotated_pixelmap_draw(context, xpos, ypos, &pic_outmap);
102
103 _gx_system_memory_free((VOID *)pic_outmap.gx_pixelmap_data);
104 }
105 }
106 #endif
107
108
