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 /** Widget Management (Widget) */
18 /** */
19 /**************************************************************************/
20
21 #define GX_SOURCE_CODE
22
23
24 /* Include necessary system files. */
25
26 #include "gx_api.h"
27 #include "gx_canvas.h"
28 #include "gx_system.h"
29
30 /* Bring in externs for caller checking code. */
31 GX_CALLER_CHECKING_EXTERNS
32
33 /**************************************************************************/
34 /* */
35 /* FUNCTION RELEASE */
36 /* */
37 /* _gxe_canvas_circle_draw PORTABLE C */
38 /* 6.1 */
39 /* AUTHOR */
40 /* */
41 /* Kenneth Maxwell, Microsoft Corporation */
42 /* */
43 /* DESCRIPTION */
44 /* */
45 /* This function checks for errors in canvas circle draw function call.*/
46 /* */
47 /* INPUT */
48 /* */
49 /* xcenter x-coord of center of circle */
50 /* ycenter y-coord of center of circle */
51 /* r Radius of circle */
52 /* */
53 /* OUTPUT */
54 /* */
55 /* status Completion status */
56 /* */
57 /* CALLS */
58 /* */
59 /* _gxe_canvas_circle_draw Actual canvas circle draw */
60 /* function */
61 /* */
62 /* CALLED BY */
63 /* */
64 /* Application Code */
65 /* */
66 /* RELEASE HISTORY */
67 /* */
68 /* DATE NAME DESCRIPTION */
69 /* */
70 /* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */
71 /* 09-30-2020 Kenneth Maxwell Modified comment(s), */
72 /* resulting in version 6.1 */
73 /* */
74 /**************************************************************************/
_gxe_canvas_circle_draw(INT xcenter,INT ycenter,UINT r)75 UINT _gxe_canvas_circle_draw(INT xcenter, INT ycenter, UINT r)
76 {
77 UINT status;
78
79 /* Check for appropriate caller. */
80 GX_INIT_AND_THREADS_CALLER_CHECKING
81
82 /* Check for invalid value. */
83 if (r == 0)
84 {
85 return GX_INVALID_VALUE;
86 }
87
88 /* Check for invalid context. */
89 if (_gx_system_current_draw_context == GX_NULL)
90 {
91 return GX_INVALID_CONTEXT;
92 }
93
94 /* Call actual widget draw function. */
95 status = _gx_canvas_circle_draw(xcenter, ycenter, r);
96
97 /* Return completion status. */
98 return(status);
99 }
100
101
