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_rotated_png_draw          PORTABLE C      */
37 /*                                                           6.1.4        */
38 /*  AUTHOR                                                                */
39 /*                                                                        */
40 /*    Kenneth Maxwell, Microsoft Corporation                              */
41 /*                                                                        */
42 /*  DESCRIPTION                                                           */
43 /*                                                                        */
44 /*    Rotated 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_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 /*  02-02-2021     Kenneth Maxwell          Initial Version 6.1.4         */
74 /*                                                                        */
75 /**************************************************************************/
76 #if defined(GX_SOFTWARE_DECODER_SUPPORT)
_gx_display_driver_24xrgb_rotated_png_draw(GX_DRAW_CONTEXT * context,INT xpos,INT ypos,GX_PIXELMAP * pixelmap)77 VOID _gx_display_driver_24xrgb_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 
82 GX_UBYTE        mode = GX_IMAGE_READER_MODE_ALPHA;
83 
84     if (context -> gx_draw_context_display -> gx_display_rotation_angle == GX_SCREEN_ROTATION_CW)
85     {
86         mode |= GX_IMAGE_READER_MODE_ROTATE_CW;
87     }
88     else
89     {
90         mode |= GX_IMAGE_READER_MODE_ROTATE_CCW;
91     }
92 
93     _gx_image_reader_create(&image_reader,
94                             pixelmap -> gx_pixelmap_data,
95                             (INT)pixelmap -> gx_pixelmap_data_size,
96                             GX_COLOR_FORMAT_24XRGB, mode);
97 
98     if (_gx_image_reader_start(&image_reader, &pic_outmap) == GX_SUCCESS)
99     {
100         _gx_display_driver_32bpp_rotated_pixelmap_draw(context, xpos, ypos, &pic_outmap);
101 
102         _gx_system_memory_free((VOID *)pic_outmap.gx_pixelmap_data);
103     }
104 }
105 #endif
106 
107