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 /* Bring in externs for caller checking code.  */
30 GX_CALLER_CHECKING_EXTERNS
31 
32 /**************************************************************************/
33 /*                                                                        */
34 /*  FUNCTION                                               RELEASE        */
35 /*                                                                        */
36 /*    _gxe_image_reader_start                             PORTABLE C      */
37 /*                                                           6.1          */
38 /*  AUTHOR                                                                */
39 /*                                                                        */
40 /*    Kenneth Maxwell, Microsoft Corporation                              */
41 /*                                                                        */
42 /*  DESCRIPTION                                                           */
43 /*                                                                        */
44 /*    This function checks for errors in the image reader start           */
45 /*    function.                                                           */
46 /*                                                                        */
47 /*  INPUT                                                                 */
48 /*                                                                        */
49 /*    image_reader                    Image reader control block.         */
50 /*    outmap                          Converted pixelmap.                 */
51 /*                                                                        */
52 /*  OUTPUT                                                                */
53 /*                                                                        */
54 /*    status                          Completion status                   */
55 /*                                                                        */
56 /*  CALLS                                                                 */
57 /*   _gx_image_reader_start           Actual image reader start 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_start(GX_IMAGE_READER * image_reader,GX_PIXELMAP * outmap)73 UINT  _gxe_image_reader_start(GX_IMAGE_READER *image_reader, GX_PIXELMAP *outmap)
74 {
75 UINT status;
76 
77     /* Check for appropriate caller.  */
78     GX_INIT_AND_THREADS_CALLER_CHECKING
79 
80     /* Check for invalid input pointers.  */
81     if ((image_reader == GX_NULL) || (outmap == GX_NULL))
82     {
83         return(GX_PTR_ERROR);
84     }
85 
86     /* Call the actual image reader colorspace convert function.  */
87     status = _gx_image_reader_start(image_reader, outmap);
88 
89     /* Return completion status.  */
90     return status;
91 }
92 #endif
93 
94