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 /** Image Reader Management (Image Reader) */
18 /** */
19 /**************************************************************************/
20
21 #define GX_SOURCE_CODE
22
23
24 /* Include necessary system files. */
25
26 #include "gx_api.h"
27 #include "gx_image_reader.h"
28
29
30 /**************************************************************************/
31 /* */
32 /* FUNCTION RELEASE */
33 /* */
34 /* _gx_image_reader_create PORTABLE C */
35 /* 6.1 */
36 /* AUTHOR */
37 /* */
38 /* Kenneth Maxwell, Microsoft Corporation */
39 /* */
40 /* DESCRIPTION */
41 /* */
42 /* This function creates a runtime raw image reader / decoder. */
43 /* Currently only jpeg and png raw image types are supported. */
44 /* */
45 /* INPUT */
46 /* */
47 /* image_reader Image reader control block. */
48 /* read_data Pointer to raw input data. */
49 /* read_data_size Size of raw input data. */
50 /* color_format The requested output color format */
51 /* mode Compress dither and alpha modes flags */
52 /* */
53 /* OUTPUT */
54 /* */
55 /* Completion Status */
56 /* */
57 /* CALLS */
58 /* */
59 /* None */
60 /* */
61 /* CALLED BY */
62 /* */
63 /* Application Code */
64 /* */
65 /* RELEASE HISTORY */
66 /* */
67 /* DATE NAME DESCRIPTION */
68 /* */
69 /* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */
70 /* 09-30-2020 Kenneth Maxwell Modified comment(s), */
71 /* resulting in version 6.1 */
72 /* */
73 /**************************************************************************/
74 #if defined(GX_SOFTWARE_DECODER_SUPPORT)
_gx_image_reader_create(GX_IMAGE_READER * image_reader,GX_CONST GX_UBYTE * data,INT data_size,GX_UBYTE color_format,GX_UBYTE mode)75 UINT _gx_image_reader_create(GX_IMAGE_READER *image_reader,
76 GX_CONST GX_UBYTE *data,
77 INT data_size,
78 GX_UBYTE color_format,
79 GX_UBYTE mode)
80 {
81 image_reader -> gx_image_reader_color_format = color_format;
82 image_reader -> gx_image_reader_mode = mode;
83 image_reader -> gx_image_reader_image_type = 0;
84 image_reader -> gx_image_reader_source_data = data;
85 image_reader -> gx_image_reader_source_data_size = (UINT)data_size;
86 image_reader -> gx_image_reader_getdata = GX_NULL;
87 image_reader -> gx_image_reader_getauxdata = GX_NULL;
88 image_reader -> gx_image_reader_putauxdata = GX_NULL;
89 image_reader -> gx_image_reader_palette = GX_NULL;
90 image_reader -> gx_image_reader_palette_size = 0;
91 image_reader -> gx_image_reader_image_height = 0;
92 image_reader -> gx_image_reader_image_width = 0;
93 image_reader -> gx_image_reader_png_trans = 0;
94 image_reader -> gx_image_reader_png_palette = GX_NULL;
95 image_reader -> gx_image_reader_png_palette_size = 0;
96 image_reader -> gx_image_reader_putdata = GX_NULL;
97 image_reader -> gx_image_reader_putauxdata = GX_NULL;
98 image_reader -> gx_image_reader_pixel_read = GX_NULL;
99 image_reader -> gx_image_reader_pixel_write = GX_NULL;
100 image_reader -> gx_image_reader_size_testing = GX_FALSE;
101 image_reader -> gx_image_reader_mono_shreshold = 128;
102 image_reader -> gx_image_reader_putdata_mask = 0;
103 image_reader -> gx_image_reader_putauxdata_mask = 0;
104
105 return GX_SUCCESS;
106 }
107 #endif
108
109
