Visual Servoing Platform version 3.5.0
vpImagePoint.cpp
1/****************************************************************************
2 *
3 * ViSP, open source Visual Servoing Platform software.
4 * Copyright (C) 2005 - 2019 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 http://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 * 2D point useful for image processing
33 *
34 * Authors:
35 * Nicolas Melchior
36 * Fabien Spindler
37 *
38 *****************************************************************************/
39
40#include <visp3/core/vpConfig.h>
41#include <visp3/core/vpImagePoint.h>
42#include <visp3/core/vpRect.h>
43#include <visp3/core/vpMath.h>
44
53bool vpImagePoint::inRectangle(const vpRect &rect) const
54{
55 return (this->i <= rect.getBottom() && this->i >= rect.getTop() && this->j <= rect.getRight() &&
56 this->j >= rect.getLeft());
57}
58
87{
88 this->i += ip.i;
89 this->j += ip.j;
90 return *this;
91}
92
120{
121 this->i /= scale;
122 this->j /= scale;
123 return *this;
124}
125
131VISP_EXPORT bool operator==(const vpImagePoint &ip1, const vpImagePoint &ip2)
132{
133 // return ( ( ip1.get_i() == ip2.get_i() ) && ( ip1.get_j() == ip2.get_j() )
134 // );
135
136 double i1 = ip1.get_i();
137 double j1 = ip1.get_j();
138 double i2 = ip2.get_i();
139 double j2 = ip2.get_j();
140
141 return ((std::fabs(i1 - i2) <= std::fabs(vpMath::maximum(i1, i2)) * std::numeric_limits<double>::epsilon()) &&
142 (std::fabs(j1 - j2) <= std::fabs(vpMath::maximum(j1, j2)) * std::numeric_limits<double>::epsilon()));
143}
144
150VISP_EXPORT bool operator!=(const vpImagePoint &ip1, const vpImagePoint &ip2)
151{
152 // return ( ( ip1.get_i() != ip2.get_i() ) || ( ip1.get_j() != ip2.get_j() )
153 // );
154 double i1 = ip1.get_i();
155 double j1 = ip1.get_j();
156 double i2 = ip2.get_i();
157 double j2 = ip2.get_j();
158
159 return ((std::fabs(i1 - i2) > std::fabs(vpMath::maximum(i1, i2)) * std::numeric_limits<double>::epsilon()) ||
160 (std::fabs(j1 - j2) > std::fabs(vpMath::maximum(j1, j2)) * std::numeric_limits<double>::epsilon()));
161}
162
168VISP_EXPORT vpImagePoint operator+(const vpImagePoint &ip1, const vpImagePoint &ip2)
169{
170 return (vpImagePoint(ip1.get_i() + ip2.get_i(), ip1.get_j() + ip2.get_j()));
171}
172
178VISP_EXPORT vpImagePoint operator+=(const vpImagePoint &ip1, const vpImagePoint &ip2)
179{
180 return (vpImagePoint(ip1.get_i() + ip2.get_i(), ip1.get_j() + ip2.get_j()));
181}
182
202VISP_EXPORT vpImagePoint operator+(const vpImagePoint &ip1, int offset)
203{
204 return (vpImagePoint(ip1.get_i() + offset, ip1.get_j() + offset));
205}
206
226VISP_EXPORT vpImagePoint operator+(const vpImagePoint &ip1, unsigned int offset)
227{
228 return (vpImagePoint(ip1.get_i() + offset, ip1.get_j() + offset));
229}
230
250VISP_EXPORT vpImagePoint operator+(const vpImagePoint &ip1, double offset)
251{
252 return (vpImagePoint(ip1.get_i() + offset, ip1.get_j() + offset));
253}
254
261VISP_EXPORT vpImagePoint operator-(const vpImagePoint &ip1, const vpImagePoint &ip2)
262{
263 return (vpImagePoint(ip1.get_i() - ip2.get_i(), ip1.get_j() - ip2.get_j()));
264}
265
285VISP_EXPORT vpImagePoint operator-(const vpImagePoint &ip1, int offset)
286{
287 return (vpImagePoint(ip1.get_i() - offset, ip1.get_j() - offset));
288}
289
309VISP_EXPORT vpImagePoint operator-(const vpImagePoint &ip1, unsigned int offset)
310{
311 return (vpImagePoint(ip1.get_i() - offset, ip1.get_j() - offset));
312}
313
333VISP_EXPORT vpImagePoint operator-(const vpImagePoint &ip1, double offset)
334{
335 return (vpImagePoint(ip1.get_i() - offset, ip1.get_j() - offset));
336}
337
357VISP_EXPORT vpImagePoint operator*(const vpImagePoint &ip1, double scale)
358{
359 return (vpImagePoint(ip1.get_i() * scale, ip1.get_j() * scale));
360}
361
381VISP_EXPORT vpImagePoint operator/(const vpImagePoint &ip1, double scale)
382{
383 return (vpImagePoint(ip1.get_i() / scale, ip1.get_j() / scale));
384}
385
417VISP_EXPORT std::ostream &operator<<(std::ostream &os, const vpImagePoint &ip)
418{
419 os << ip.get_i() << ", " << ip.get_j();
420 return os;
421}
422
428vpRect vpImagePoint::getBBox(const std::vector<vpImagePoint> &ipVec)
429{
430 vpRect rec(ipVec);
431
432 return rec;
433}
434
444{
445 return sqrt(vpMath::sqr(iP1.get_i() - iP2.get_i()) + vpMath::sqr(iP1.get_j() - iP2.get_j()));
446}
447
457{
458 return vpMath::sqr(iP1.get_i() - iP2.get_i()) + vpMath::sqr(iP1.get_j() - iP2.get_j());
459}
bool operator==(const vpArray2D< double > &A) const
Definition: vpArray2D.h:966
friend std::ostream & operator<<(std::ostream &s, const vpArray2D< Type > &A)
Definition: vpArray2D.h:493
Class that defines a 2D point in an image. This class is useful for image processing and stores only ...
Definition: vpImagePoint.h:88
VISP_EXPORT bool operator!=(const vpImagePoint &ip1, const vpImagePoint &ip2)
vpImagePoint & operator/=(double scale)
double get_j() const
Definition: vpImagePoint.h:214
static double distance(const vpImagePoint &iP1, const vpImagePoint &iP2)
bool inRectangle(const vpRect &rect) const
vpImagePoint & operator+=(const vpImagePoint &ip)
VISP_EXPORT vpImagePoint operator+=(const vpImagePoint &ip1, const vpImagePoint &ip2)
VISP_EXPORT vpImagePoint operator+(const vpImagePoint &ip1, const vpImagePoint &ip2)
static vpRect getBBox(const std::vector< vpImagePoint > &ipVec)
VISP_EXPORT vpImagePoint operator*(const vpImagePoint &ip1, double scale)
VISP_EXPORT vpImagePoint operator/(const vpImagePoint &ip1, double scale)
static double sqrDistance(const vpImagePoint &iP1, const vpImagePoint &iP2)
VISP_EXPORT vpImagePoint operator-(const vpImagePoint &ip1, const vpImagePoint &ip2)
double get_i() const
Definition: vpImagePoint.h:203
static Type maximum(const Type &a, const Type &b)
Definition: vpMath.h:145
static double sqr(double x)
Definition: vpMath.h:116
Defines a rectangle in the plane.
Definition: vpRect.h:80
double getLeft() const
Definition: vpRect.h:174
double getRight() const
Definition: vpRect.h:180
double getBottom() const
Definition: vpRect.h:98
double getTop() const
Definition: vpRect.h:193