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_pie_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 pie draw function call. */
46 /* */
47 /* INPUT */
48 /* */
49 /* xcenter x-coord of center of circle */
50 /* arc */
51 /* ycenter y-coord of center of circle */
52 /* arc */
53 /* r Radius of circle arc */
54 /* start_angle The start angle of the pie */
55 /* end_angle The end angle of the pie */
56 /* */
57 /* OUTPUT */
58 /* */
59 /* status Completion status */
60 /* */
61 /* CALLS */
62 /* */
63 /* _gx_canvas_pie_draw Actual canvas pie draw */
64 /* function */
65 /* */
66 /* CALLED BY */
67 /* */
68 /* Application Code */
69 /* */
70 /* RELEASE HISTORY */
71 /* */
72 /* DATE NAME DESCRIPTION */
73 /* */
74 /* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */
75 /* 09-30-2020 Kenneth Maxwell Modified comment(s), */
76 /* resulting in version 6.1 */
77 /* */
78 /**************************************************************************/
_gxe_canvas_pie_draw(INT xcenter,INT ycenter,UINT r,INT start_angle,INT end_angle)79 UINT _gxe_canvas_pie_draw(INT xcenter, INT ycenter, UINT r, INT start_angle, INT end_angle)
80 {
81 UINT status;
82
83 /* Check for appropriate caller. */
84 GX_INIT_AND_THREADS_CALLER_CHECKING
85
86 /* Check for invalid value. */
87 if (r == 0)
88 {
89 return GX_INVALID_VALUE;
90 }
91
92 /* Check for invalid draw context. */
93 if (_gx_system_current_draw_context == GX_NULL)
94 {
95 return GX_INVALID_CONTEXT;
96 }
97
98 /* Call actual widget draw function. */
99 status = _gx_canvas_pie_draw(xcenter, ycenter, r, start_angle, end_angle);
100
101 /* Return completion status. */
102 return(status);
103 }
104
105
