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 /** Image Reader Management (Image Reader) */
19 /** */
20 /**************************************************************************/
21
22 #define GX_SOURCE_CODE
23
24
25 /* Include necessary system files. */
26
27 #include "gx_api.h"
28 #include "gx_image_reader.h"
29
30 /**************************************************************************/
31 /* */
32 /* FUNCTION RELEASE */
33 /* */
34 /* _gxe_image_reader_create PORTABLE C */
35 /* 6.1 */
36 /* AUTHOR */
37 /* */
38 /* Kenneth Maxwell, Microsoft Corporation */
39 /* */
40 /* DESCRIPTION */
41 /* */
42 /* This function checks for errors in creating an image reader */
43 /* instance. */
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 /* status Completion status */
56 /* */
57 /* CALLS */
58 /* _gx_image_reader_create Actual image reader create call. */
59 /* */
60 /* CALLED BY */
61 /* */
62 /* Application Code */
63 /* */
64 /* RELEASE HISTORY */
65 /* */
66 /* DATE NAME DESCRIPTION */
67 /* */
68 /* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */
69 /* 09-30-2020 Kenneth Maxwell Modified comment(s), */
70 /* resulting in version 6.1 */
71 /* */
72 /**************************************************************************/
73 #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)74 UINT _gxe_image_reader_create(GX_IMAGE_READER *image_reader,
75 GX_CONST GX_UBYTE *read_data,
76 INT read_data_size,
77 GX_UBYTE color_format,
78 GX_UBYTE mode)
79 {
80 UINT status;
81
82 /* Check for invalid input pointers. */
83 if ((image_reader == GX_NULL) || (read_data == GX_NULL))
84 {
85 return(GX_PTR_ERROR);
86 }
87
88 if (read_data_size <= 20)
89 {
90 return(GX_INVALID_VALUE);
91 }
92
93 /* Call the actual image reader info set function. */
94 status = _gx_image_reader_create(image_reader, read_data, read_data_size, color_format, mode);
95
96 /* Return completion status. */
97 return status;
98 }
99 #endif
100
101
