Visual Servoing Platform version 3.6.0
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testImagePoint.cpp
1/****************************************************************************
2 *
3 * ViSP, open source Visual Servoing Platform software.
4 * Copyright (C) 2005 - 2023 by Inria. All rights reserved.
5 *
6 * This software is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 * See the file LICENSE.txt at the root directory of this source
11 * distribution for additional information about the GNU GPL.
12 *
13 * For using ViSP with software that can not be combined with the GNU
14 * GPL, please contact Inria about acquiring a ViSP Professional
15 * Edition License.
16 *
17 * See https://visp.inria.fr for more information.
18 *
19 * This software was developed at:
20 * Inria Rennes - Bretagne Atlantique
21 * Campus Universitaire de Beaulieu
22 * 35042 Rennes Cedex
23 * France
24 *
25 * If you have questions regarding the use of this file, please contact
26 * Inria at visp@inria.fr
27 *
28 * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
29 * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
30 *
31 * Description:
32 * Test for vpImagePoint class.
33 *
34*****************************************************************************/
42#include <iostream>
43
44#include <visp3/core/vpConfig.h>
45#include <visp3/core/vpImagePoint.h>
46
47#if defined(VISP_HAVE_CATCH2)
48#define CATCH_CONFIG_RUNNER
49#include <catch.hpp>
50
51TEST_CASE("Test comparison operator", "[operator]")
52{
53 vpImagePoint ip1, ip2, ip3;
54
55 ip1.set_u(-11.1);
56 ip1.set_v(10);
57
58 ip2.set_j(-11.1);
59 ip2.set_i(10);
60
61 ip3.set_j(11.10001);
62 ip3.set_i(10.1);
63 CHECK(ip1 == ip2);
64 CHECK_FALSE(ip1 != ip2);
65 CHECK_FALSE(ip1 == ip3);
66 CHECK(ip1 != ip3);
67}
68
69TEST_CASE("Test pixel belongs to segment", "[operator]")
70{
71 vpImagePoint start_pixel(10, 10);
72 SECTION("Segment horizontal right")
73 {
74 vpImagePoint end_pixel = start_pixel + vpImagePoint(0, 5);
75 auto j = start_pixel.get_j();
76 for (auto curr_pixel = start_pixel; curr_pixel.inSegment(start_pixel, end_pixel);
77 curr_pixel = curr_pixel.nextInSegment(start_pixel, end_pixel), j++) {
78 CHECK(curr_pixel == vpImagePoint(start_pixel.get_i(), j));
79 if (curr_pixel == end_pixel)
80 break;
81 }
82 }
83 SECTION("Segment horizontal left")
84 {
85 vpImagePoint end_pixel = start_pixel - vpImagePoint(0, 5);
86 auto j = start_pixel.get_j();
87 for (auto curr_pixel = start_pixel; curr_pixel.inSegment(start_pixel, end_pixel);
88 curr_pixel = curr_pixel.nextInSegment(start_pixel, end_pixel), j--) {
89 CHECK(curr_pixel == vpImagePoint(start_pixel.get_i(), j));
90 if (curr_pixel == end_pixel)
91 break;
92 }
93 }
94 SECTION("Segment vertical bottom")
95 {
96 vpImagePoint end_pixel = start_pixel + vpImagePoint(5, 0);
97 auto i = start_pixel.get_i();
98 for (auto curr_pixel = start_pixel; curr_pixel.inSegment(start_pixel, end_pixel);
99 curr_pixel = curr_pixel.nextInSegment(start_pixel, end_pixel), i++) {
100 CHECK(curr_pixel == vpImagePoint(i, start_pixel.get_j()));
101 if (curr_pixel == end_pixel)
102 break;
103 }
104 }
105 SECTION("Segment vertical top")
106 {
107 vpImagePoint end_pixel = start_pixel - vpImagePoint(5, 0);
108 auto i = start_pixel.get_i();
109 for (auto curr_pixel = start_pixel; curr_pixel.inSegment(start_pixel, end_pixel);
110 curr_pixel = curr_pixel.nextInSegment(start_pixel, end_pixel), i--) {
111 CHECK(curr_pixel == vpImagePoint(i, start_pixel.get_j()));
112 if (curr_pixel == end_pixel)
113 break;
114 }
115 }
116}
117
118int main(int argc, char *argv[])
119{
120 Catch::Session session; // There must be exactly one instance
121
122 // Let Catch (using Clara) parse the command line
123 session.applyCommandLine(argc, argv);
124
125 int numFailed = session.run();
126
127 // numFailed is clamped to 255 as some unices only use the lower 8 bits.
128 // This clamping has already been applied, so just return it here
129 // You can also do any post run clean-up here
130 return numFailed;
131}
132
133#else
134int main()
135{
136 vpImagePoint ip1, ip2, ip3;
137
138 ip1.set_u(-11.1);
139 ip1.set_v(10);
140
141 ip2.set_j(-11.1);
142 ip2.set_i(10);
143
144 ip3.set_j(11.10001);
145 ip3.set_i(10.1);
146
147 std::cout << "We define ip1 with coordinates: " << ip1 << std::endl;
148
149 std::cout << "We define ip2 with coordinates: " << ip2 << std::endl;
150
151 std::cout << "We define ip3 with coordinates: " << ip3 << std::endl;
152
153 if (ip1 == ip2) {
154 std::cout << "ip1 == ip2" << std::endl;
155 } else {
156 std::cout << "ip1 != ip2 (bad result)" << std::endl;
157 return EXIT_FAILURE;
158 }
159
160 if (ip1 != ip2) {
161 std::cout << "ip1 != ip2 (bad result)" << std::endl;
162 return EXIT_FAILURE;
163 } else {
164 std::cout << "ip1 == ip2" << std::endl;
165 }
166
167 if (ip1 == ip3) {
168 std::cout << "ip1 == ip3 (bad result)" << std::endl;
169 return EXIT_FAILURE;
170 } else {
171 std::cout << "ip1 != ip3" << std::endl;
172 }
173
174 if (ip1 != ip3) {
175 std::cout << "ip1 != ip3" << std::endl;
176 } else {
177 std::cout << "ip1 == ip3 (bad result)" << std::endl;
178 return EXIT_FAILURE;
179 }
180
181 return EXIT_SUCCESS;
182}
183#endif
Class that defines a 2D point in an image. This class is useful for image processing and stores only ...
void set_j(double jj)
void set_i(double ii)
void set_u(double u)
void set_v(double v)