GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: gx_display_driver_generic_pie_fill.c Lines: 19 19 100.0 %
Date: 2026-03-06 19:21:09 Branches: 10 10 100.0 %

Line Branch Exec Source
1
/***************************************************************************
2
 * Copyright (c) 2024 Microsoft Corporation
3
 * Copyright (c) 2026-present Eclipse ThreadX contributors
4
 *
5
 * This program and the accompanying materials are made available under the
6
 * terms of the MIT License which is available at
7
 * https://opensource.org/licenses/MIT.
8
 *
9
 * SPDX-License-Identifier: MIT
10
 **************************************************************************/
11
12
13
/**************************************************************************/
14
/**************************************************************************/
15
/**                                                                       */
16
/** GUIX Component                                                        */
17
/**                                                                       */
18
/**   Display Management (Display)                                        */
19
/**                                                                       */
20
/**************************************************************************/
21
22
#define GX_SOURCE_CODE
23
24
25
/* Include necessary system files.  */
26
27
#include "gx_api.h"
28
#include "gx_system.h"
29
#include "gx_utility.h"
30
#include "gx_display.h"
31
32
33
/**************************************************************************/
34
/*                                                                        */
35
/*  FUNCTION                                               RELEASE        */
36
/*                                                                        */
37
/*    _gx_display_driver_generic_pie_fill                 PORTABLE C      */
38
/*                                                           6.1          */
39
/*  AUTHOR                                                                */
40
/*                                                                        */
41
/*    Kenneth Maxwell, Microsoft Corporation                              */
42
/*                                                                        */
43
/*  DESCRIPTION                                                           */
44
/*                                                                        */
45
/*    Display driver to fill a pie.                                       */
46
/*                                                                        */
47
/*  INPUT                                                                 */
48
/*                                                                        */
49
/*    context                               Drawing context               */
50
/*    xcenter                               x-coord of center of circle   */
51
/*    ycenter                               y-coord of center of circle   */
52
/*    r                                     Radius of circle              */
53
/*    start_angle                           The start angle of circle arc */
54
/*    end_angle                             The end angle of circle arc   */
55
/*                                                                        */
56
/*  OUTPUT                                                                */
57
/*                                                                        */
58
/*    None                                                                */
59
/*                                                                        */
60
/*  CALLS                                                                 */
61
/*                                                                        */
62
/*    _gx_display_driver_generic_simple_pie_fill                          */
63
/*                                          Real display driver draw      */
64
/*                                            filled-pie function         */
65
/*                                                                        */
66
/*  CALLED BY                                                             */
67
/*                                                                        */
68
/*    _gx_canvas_pie_draw                                                 */
69
/*                                                                        */
70
/**************************************************************************/
71
#if defined(GX_ARC_DRAWING_SUPPORT)
72
73
1817
VOID _gx_display_driver_generic_pie_fill(GX_DRAW_CONTEXT *context, INT xcenter, INT ycenter, UINT r, INT start_angle, INT end_angle)
74
{
75
/* The function fills a pie.*/
76
77
78
1817
    if (start_angle < 180)
79
    {
80
1036
        if (end_angle < 180)
81
        {
82
612
            _gx_display_driver_generic_simple_pie_fill(context, xcenter, ycenter, r, start_angle, end_angle, GX_FALSE);
83
        }
84
424
        else if (end_angle < 360)
85
        {
86
            /* Skip-end parameter should only be set when drawing the above area.
87
               It would be set to GX_TRUE to skip the bottom line to avoid case that this line will be drawn twice, which
88
               is not correct, when brush alpha is set. */
89
412
            _gx_display_driver_generic_simple_pie_fill(context, xcenter, ycenter, r, start_angle, 180, GX_TRUE);
90
412
            _gx_display_driver_generic_simple_pie_fill(context, xcenter, ycenter, r, 180, end_angle, GX_FALSE);
91
        }
92
        else
93
        {
94
12
            _gx_display_driver_generic_simple_pie_fill(context, xcenter, ycenter, r, start_angle, 180, GX_TRUE);
95
12
            _gx_display_driver_generic_simple_pie_fill(context, xcenter, ycenter, r, 180, 360, GX_FALSE);
96
12
            _gx_display_driver_generic_simple_pie_fill(context, xcenter, ycenter, r, 0, end_angle - 360, GX_TRUE);
97
        }
98
    }
99
    else
100
    {
101
781
        if (end_angle < 360)
102
        {
103
383
            _gx_display_driver_generic_simple_pie_fill(context, xcenter, ycenter, r, start_angle, end_angle, GX_FALSE);
104
        }
105
398
        else if (end_angle < 540)
106
        {
107
386
            _gx_display_driver_generic_simple_pie_fill(context, xcenter, ycenter, r, start_angle, 360, GX_FALSE);
108
386
            _gx_display_driver_generic_simple_pie_fill(context, xcenter, ycenter, r, 0, end_angle - 360, GX_TRUE);
109
        }
110
        else
111
        {
112
12
            _gx_display_driver_generic_simple_pie_fill(context, xcenter, ycenter, r, start_angle, 360, GX_FALSE);
113
12
            _gx_display_driver_generic_simple_pie_fill(context, xcenter, ycenter, r, 0, 180, GX_TRUE);
114
12
            _gx_display_driver_generic_simple_pie_fill(context, xcenter, ycenter, r, 180, end_angle - 360, GX_FALSE);
115
        }
116
    }
117
1817
}
118
119
#endif
120