Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	gx_utility_circle_point_get.c	Lines:	59	59	100.0 %
Date:	2024-12-05 08:52:37	Branches:	36	36	100.0 %


/***************************************************************************
 * Copyright (c) 2024 Microsoft Corporation
 *
 * This program and the accompanying materials are made available under the
 * terms of the MIT License which is available at
 * https://opensource.org/licenses/MIT.
 *
 * SPDX-License-Identifier: MIT
 **************************************************************************/


/**************************************************************************/
/**************************************************************************/
/**                                                                       */
/** GUIX Component                                                        */
/**                                                                       */
/**   Utility (Utility)                                                   */
/**                                                                       */
/**************************************************************************/

#define GX_SOURCE_CODE


/* Include necessary system files.  */

#include "gx_api.h"
#include "gx_system.h"
#include "gx_utility.h"

/**************************************************************************/
/*                                                                        */
/*  FUNCTION                                               RELEASE        */
/*                                                                        */
/*    _gx_utility_circle_point_get                        PORTABLE C      */
/*                                                           6.1          */
/*  AUTHOR                                                                */
/*                                                                        */
/*    Kenneth Maxwell, Microsoft Corporation                              */
/*                                                                        */
/*  DESCRIPTION                                                           */
/*                                                                        */
/*    This function gets the point on circle with specified angle         */
/*    and radius.                                                         */
/*                                                                        */
/*  INPUT                                                                 */
/*                                                                        */
/*    xcenter                               x-coord of center of circle   */
/*    ycenter                               y-coord of center of circle   */
/*    r                                     Radius of circle              */
/*    angle                                 The angle where the point is  */
/*    point                                 Return value of the point at  */
/*                                            the angle                   */
/*                                                                        */
/*  OUTPUT                                                                */
/*                                                                        */
/*    None                                                                */
/*                                                                        */
/*  CALLS                                                                 */
/*                                                                        */
/*    _gx_utility_math_cos                  Compute cosine                */
/*    _gx_utility_math_sin                  Compute sine                  */
/*                                                                        */
/*  CALLED BY                                                             */
/*                                                                        */
/*    Application Code                                                    */
/*    GUIX Internal Code                                                  */
/*                                                                        */
/*  RELEASE HISTORY                                                       */
/*                                                                        */
/*    DATE              NAME                      DESCRIPTION             */
/*                                                                        */
/*  05-19-2020     Kenneth Maxwell          Initial Version 6.0           */
/*  09-30-2020     Kenneth Maxwell          Modified comment(s),          */
/*                                            resulting in version 6.1    */
/*                                                                        */
/**************************************************************************/
UINT _gx_utility_circle_point_get(INT xcenter, INT ycenter, UINT r, INT angle, GX_POINT *point)
{

INT     x;
INT     y;
INT     d;
INT     x_sign;
INT     y_sign;
GX_BOOL swap = GX_FALSE;

    angle %= 360;

    if (angle < 0)
    {
        angle += 360;
    }

    if (angle == 0)
    {
        point -> gx_point_x = (GX_VALUE)(xcenter + (INT)r);
        point -> gx_point_y = (GX_VALUE)ycenter;
    }
    else if (angle == 90)
    {
        point -> gx_point_x = (GX_VALUE)xcenter;
        point -> gx_point_y = (GX_VALUE)(ycenter - (INT)r);
    }
    else if (angle == 180)
    {
        point -> gx_point_x = (GX_VALUE)(xcenter - (INT)r);
        point -> gx_point_y = (GX_VALUE)ycenter;
    }
    else if (angle == 270)
    {
        point -> gx_point_x = (GX_VALUE)xcenter;
        point -> gx_point_y = (GX_VALUE)(ycenter + (INT)r);
    }
    else
    {
        point -> gx_point_x = (GX_VALUE)(GX_FIXED_VAL_TO_INT(r * _gx_utility_math_cos(GX_FIXED_VAL_MAKE(angle))));
        point -> gx_point_y = (GX_VALUE)(GX_FIXED_VAL_TO_INT(r * _gx_utility_math_sin(GX_FIXED_VAL_MAKE(angle))));

        if (angle <= 90)
        {
            x_sign = 1;
            y_sign = 1;

            if (angle < 45)
            {
                swap = GX_TRUE;
            }
        }
        else if (angle <= 180)
        {
            x_sign = -1;
            y_sign = 1;

            if (angle > 135)
            {
                swap = GX_TRUE;
            }
        }
        else if (angle <= 270)
        {
            x_sign = -1;
            y_sign = -1;

            if (angle < 225)
            {
                swap = GX_TRUE;
            }
        }
        else
        {
            x_sign = 1;
            y_sign = -1;

            if (angle > 315)
            {
                swap = GX_TRUE;
            }
        }

        x = 0;
        y = (INT)r;
        d = (INT)(5 - 4 * r);

        point -> gx_point_x = (GX_VALUE)(point -> gx_point_x * x_sign);
        point -> gx_point_y = (GX_VALUE)(point -> gx_point_y * y_sign);

        if (swap)
        {
            GX_SWAP_VALS(point -> gx_point_x, point -> gx_point_y);
        }

        while (x <= y)
        {
            if ((x > point -> gx_point_x) || (y < point -> gx_point_y))
            {
                break;
            }

            if (d < 0)
            {
                d += 8 * x + 12;
            }
            else
            {
                d += 8 * (x - y) + 20;
                y--;
            }
            x++;
        }

        if (swap)
        {
            GX_SWAP_VALS(x, y);
        }

        x *= x_sign;
        y *= y_sign;

        point -> gx_point_x = (GX_VALUE)(xcenter + x);
        point -> gx_point_y = (GX_VALUE)(ycenter - y);
    }

    return GX_SUCCESS;
}



Generated by: GCOVR (Version 4.1)

Line	Branch	Exec	Source
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			/** Utility (Utility) */
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
30			/**************************************************************************/
31			/* */
32			/* FUNCTION RELEASE */
33			/* */
34			/* _gx_utility_circle_point_get PORTABLE C */
35			/* 6.1 */
36			/* AUTHOR */
37			/* */
38			/* Kenneth Maxwell, Microsoft Corporation */
39			/* */
40			/* DESCRIPTION */
41			/* */
42			/* This function gets the point on circle with specified angle */
43			/* and radius. */
44			/* */
45			/* INPUT */
46			/* */
47			/* xcenter x-coord of center of circle */
48			/* ycenter y-coord of center of circle */
49			/* r Radius of circle */
50			/* angle The angle where the point is */
51			/* point Return value of the point at */
52			/* the angle */
53			/* */
54			/* OUTPUT */
55			/* */
56			/* None */
57			/* */
58			/* CALLS */
59			/* */
60			/* _gx_utility_math_cos Compute cosine */
61			/* _gx_utility_math_sin Compute sine */
62			/* */
63			/* CALLED BY */
64			/* */
65			/* Application Code */
66			/* GUIX Internal Code */
67			/* */
68			/* RELEASE HISTORY */
69			/* */
70			/* DATE NAME DESCRIPTION */
71			/* */
72			/* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */
73			/* 09-30-2020 Kenneth Maxwell Modified comment(s), */
74			/* resulting in version 6.1 */
75			/* */
76			/**************************************************************************/
77		154441	UINT _gx_utility_circle_point_get(INT xcenter, INT ycenter, UINT r, INT angle, GX_POINT *point)
78			{
79
80			INT x;
81			INT y;
82			INT d;
83			INT x_sign;
84			INT y_sign;
85		154441	GX_BOOL swap = GX_FALSE;
86
87		154441	angle %= 360;
88
89	✓✓	154441	if (angle < 0)
90			{
91		1	angle += 360;
92			}
93
94	✓✓	154441	if (angle == 0)
95			{
96		2962	point -> gx_point_x = (GX_VALUE)(xcenter + (INT)r);
97		2962	point -> gx_point_y = (GX_VALUE)ycenter;
98			}
99	✓✓	151479	else if (angle == 90)
100			{
101		40217	point -> gx_point_x = (GX_VALUE)xcenter;
102		40217	point -> gx_point_y = (GX_VALUE)(ycenter - (INT)r);
103			}
104	✓✓	111262	else if (angle == 180)
105			{
106		15735	point -> gx_point_x = (GX_VALUE)(xcenter - (INT)r);
107		15735	point -> gx_point_y = (GX_VALUE)ycenter;
108			}
109	✓✓	95527	else if (angle == 270)
110			{
111		28967	point -> gx_point_x = (GX_VALUE)xcenter;
112		28967	point -> gx_point_y = (GX_VALUE)(ycenter + (INT)r);
113			}
114			else
115			{
116		66560	point -> gx_point_x = (GX_VALUE)(GX_FIXED_VAL_TO_INT(r * _gx_utility_math_cos(GX_FIXED_VAL_MAKE(angle))));
117		66560	point -> gx_point_y = (GX_VALUE)(GX_FIXED_VAL_TO_INT(r * _gx_utility_math_sin(GX_FIXED_VAL_MAKE(angle))));
118
119	✓✓	66560	if (angle <= 90)
120			{
121		32494	x_sign = 1;
122		32494	y_sign = 1;
123
124	✓✓	32494	if (angle < 45)
125			{
126		24270	swap = GX_TRUE;
127			}
128			}
129	✓✓	34066	else if (angle <= 180)
130			{
131		10069	x_sign = -1;
132		10069	y_sign = 1;
133
134	✓✓	10069	if (angle > 135)
135			{
136		6699	swap = GX_TRUE;
137			}
138			}
139	✓✓	23997	else if (angle <= 270)
140			{
141		10345	x_sign = -1;
142		10345	y_sign = -1;
143
144	✓✓	10345	if (angle < 225)
145			{
146		8016	swap = GX_TRUE;
147			}
148			}
149			else
150			{
151		13652	x_sign = 1;
152		13652	y_sign = -1;
153
154	✓✓	13652	if (angle > 315)
155			{
156		4106	swap = GX_TRUE;
157			}
158			}
159
160		66560	x = 0;
161		66560	y = (INT)r;
162		66560	d = (INT)(5 - 4 * r);
163
164		66560	point -> gx_point_x = (GX_VALUE)(point -> gx_point_x * x_sign);
165		66560	point -> gx_point_y = (GX_VALUE)(point -> gx_point_y * y_sign);
166
167	✓✓	66560	if (swap)
168			{
169		43091	GX_SWAP_VALS(point -> gx_point_x, point -> gx_point_y);
170			}
171
172	✓✓	2335347	while (x <= y)
173			{
174	✓✓✓✓	2329911	if ((x > point -> gx_point_x) \|\| (y < point -> gx_point_y))
175			{
176			break;
177			}
178
179	✓✓	2268787	if (d < 0)
180			{
181		1719950	d += 8 * x + 12;
182			}
183			else
184			{
185		548837	d += 8 * (x - y) + 20;
186		548837	y--;
187			}
188		2268787	x++;
189			}
190
191	✓✓	66560	if (swap)
192			{
193		43091	GX_SWAP_VALS(x, y);
194			}
195
196		66560	x *= x_sign;
197		66560	y *= y_sign;
198
199		66560	point -> gx_point_x = (GX_VALUE)(xcenter + x);
200		66560	point -> gx_point_y = (GX_VALUE)(ycenter - y);
201			}
202
203		154441	return GX_SUCCESS;
204			}
205