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 /* FUNCTION RELEASE */
32 /* */
33 /* _gxe_image_reader_create PORTABLE C */
34 /* 6.1 */
35 /* AUTHOR */
36 /* */
37 /* Kenneth Maxwell, Microsoft Corporation */
38 /* */
39 /* DESCRIPTION */
40 /* */
41 /* This function checks for errors in creating an image reader */
42 /* instance. */
43 /* */
44 /* INPUT */
45 /* */
46 /* image_reader Image reader control block. */
47 /* read_data pointer to raw input data. */
48 /* read_data_size size of raw input data. */
49 /* color_format the requested output color format */
50 /* mode compress dither and alpha modes flags */
51 /* */
52 /* OUTPUT */
53 /* */
54 /* status Completion status */
55 /* */
56 /* CALLS */
57 /* _gx_image_reader_create Actual image reader create call. */
58 /* */
59 /* CALLED BY */
60 /* */
61 /* Application Code */
62 /* */
63 /* RELEASE HISTORY */
64 /* */
65 /* DATE NAME DESCRIPTION */
66 /* */
67 /* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */
68 /* 09-30-2020 Kenneth Maxwell Modified comment(s), */
69 /* resulting in version 6.1 */
70 /* */
71 /**************************************************************************/
72 #if defined(GX_SOFTWARE_DECODER_SUPPORT)
_gxe_image_reader_create(GX_IMAGE_READER * image_reader,GX_CONST GX_UBYTE * read_data,INT read_data_size,GX_UBYTE color_format,GX_UBYTE mode)73 UINT _gxe_image_reader_create(GX_IMAGE_READER *image_reader,
74 GX_CONST GX_UBYTE *read_data,
75 INT read_data_size,
76 GX_UBYTE color_format,
77 GX_UBYTE mode)
78 {
79 UINT status;
80
81 /* Check for invalid input pointers. */
82 if ((image_reader == GX_NULL) || (read_data == GX_NULL))
83 {
84 return(GX_PTR_ERROR);
85 }
86
87 if (read_data_size <= 20)
88 {
89 return(GX_INVALID_VALUE);
90 }
91
92 /* Call the actual image reader info set function. */
93 status = _gx_image_reader_create(image_reader, read_data, read_data_size, color_format, mode);
94
95 /* Return completion status. */
96 return status;
97 }
98 #endif
99
100
