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 /**   Canvas Management (Canvas)                                          */
18 /**                                                                       */
19 /**************************************************************************/
20 
21 #define GX_SOURCE_CODE
22 
23 
24 /* Include necessary system files.  */
25 
26 #include "gx_api.h"
27 #include "gx_system.h"
28 #include "gx_utility.h"
29 #include "gx_canvas.h"
30 
31 
32 /**************************************************************************/
33 /*                                                                        */
34 /*  FUNCTION                                               RELEASE        */
35 /*                                                                        */
36 /*    _gx_canvas_hardware_layer_bind                      PORTABLE C      */
37 /*                                                           6.1          */
38 /*  AUTHOR                                                                */
39 /*                                                                        */
40 /*    Kenneth Maxwell, Microsoft Corporation                              */
41 /*                                                                        */
42 /*  DESCRIPTION                                                           */
43 /*                                                                        */
44 /*    This function binds a GUIX canvas to a hardware graphics layer      */
45 /*                                                                        */
46 /*  INPUT                                                                 */
47 /*                                                                        */
48 /*    canvas                                Canvas control block          */
49 /*    layer                                 Hardware layer                */
50 /*                                                                        */
51 /*  OUTPUT                                                                */
52 /*                                                                        */
53 /*    status                                Completion status             */
54 /*                                                                        */
55 /*  CALLS                                                                 */
56 /*                                                                        */
57 /*    _gx_canvas_dirty_mark                 Set the canvas dirty flag     */
58 /*                                                                        */
59 /*  CALLED BY                                                             */
60 /*                                                                        */
61 /*    Application                                                         */
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 /**************************************************************************/
_gx_canvas_hardware_layer_bind(GX_CANVAS * canvas,INT layer)72 UINT  _gx_canvas_hardware_layer_bind(GX_CANVAS *canvas, INT layer)
73 {
74 UINT (*initialize_function)(INT, GX_CANVAS *);
75 UINT status = GX_SUCCESS;
76 
77     initialize_function = canvas -> gx_canvas_display -> gx_display_layer_services -> gx_display_layer_initialize;
78 
79     if (initialize_function == GX_NULL)
80     {
81         return (GX_INVALID_DISPLAY);
82     }
83 
84     status = initialize_function(layer, canvas);
85 
86     if (status == GX_SUCCESS)
87     {
88         canvas -> gx_canvas_hardware_layer = (GX_BYTE)layer;
89     }
90 
91     return(status);
92 }
93 
94