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 /** Canvas Management (Canvas) */
19 /** */
20 /**************************************************************************/
21
22 #define GX_SOURCE_CODE
23
24
25 /* Include necessary system files. */
26
27 #include "gx_api.h"
28 #include "gx_canvas.h"
29
30
31 /**************************************************************************/
32 /* */
33 /* FUNCTION RELEASE */
34 /* */
35 /* _gx_canvas_memory_define PORTABLE C */
36 /* 6.1 */
37 /* AUTHOR */
38 /* */
39 /* Kenneth Maxwell, Microsoft Corporation */
40 /* */
41 /* DESCRIPTION */
42 /* */
43 /* This function assigns canvas memory pointer and size */
44 /* */
45 /* INPUT */
46 /* */
47 /* canvas Canvas control block */
48 /* memory Canvas memory address */
49 /* memsize Canvas memory size */
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 software */
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_memory_define(GX_CANVAS * canvas,GX_COLOR * memory,ULONG memsize)72 UINT _gx_canvas_memory_define(GX_CANVAS *canvas, GX_COLOR *memory, ULONG memsize)
73 {
74 /* change the memory pointer value */
75 canvas -> gx_canvas_memory = memory;
76
77 /* change the memory size */
78 canvas ->gx_canvas_memory_size = memsize;
79
80 /* mark the canvas dirty so that it get refreshed */
81 _gx_canvas_dirty_mark(canvas, GX_NULL);
82
83 /* Return successful status. */
84 return(GX_SUCCESS);
85 }
86
87