Visual Servoing Platform  version 3.5.1 under development (2022-07-01)
testImageAddSub.cpp

Test images addition / subtraction.

/****************************************************************************
*
* ViSP, open source Visual Servoing Platform software.
* Copyright (C) 2005 - 2019 by Inria. All rights reserved.
*
* This software is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* See the file LICENSE.txt at the root directory of this source
* distribution for additional information about the GNU GPL.
*
* For using ViSP with software that can not be combined with the GNU
* GPL, please contact Inria about acquiring a ViSP Professional
* Edition License.
*
* See http://visp.inria.fr for more information.
*
* This software was developed at:
* Inria Rennes - Bretagne Atlantique
* Campus Universitaire de Beaulieu
* 35042 Rennes Cedex
* France
*
* If you have questions regarding the use of this file, please contact
* Inria at visp@inria.fr
*
* This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
* WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
* Description:
* Test image addition / subtraction.
*
*****************************************************************************/
#include <visp3/core/vpConfig.h>
#if defined(VISP_HAVE_CATCH2)
#define CATCH_CONFIG_RUNNER
#include "common.hpp"
#include <catch.hpp>
#include <visp3/core/vpImageTools.h>
#include <visp3/core/vpIoTools.h>
#include <visp3/io/vpImageIo.h>
TEST_CASE("Test vpImageTools::imageAdd()", "[image_add]")
{
const std::string filepath = vpIoTools::createFilePath(vpIoTools::getViSPImagesDataPath(), "Klimt/Klimt.pgm");
vpImageIo::read(I, filepath);
SECTION("I + Inull = I")
{
vpImageTools::imageAdd(I, Inull, Iadd);
CHECK((Iadd == I));
}
SECTION("I + I without saturation")
{
const bool saturation = false;
common_tools::imageAddRef(I, I, Iref, saturation);
vpImageTools::imageAdd(I, I, Iadd, saturation);
CHECK((Iadd == Iref));
}
SECTION("I + I with saturation")
{
const bool saturation = true;
common_tools::imageAddRef(I, I, Iref, saturation);
vpImageTools::imageAdd(I, I, Iadd, saturation);
CHECK((Iadd == Iref));
}
}
TEST_CASE("Test vpImageTools::imageDifference()", "[image_difference]")
{
const std::string filepath = vpIoTools::createFilePath(vpIoTools::getViSPImagesDataPath(), "Klimt/Klimt.pgm");
vpImageIo::read(I, filepath);
SECTION("I - Inull = I")
{
vpImageTools::imageSubtract(I, Inull, Isub);
CHECK((Isub == I));
}
SECTION("I - I2 without saturation")
{
const bool saturation = false;
common_tools::fill(I2);
common_tools::imageSubtractRef(I, I2, Iref, saturation);
vpImageTools::imageSubtract(I, I2, Isub, saturation);
CHECK((Isub == Iref));
}
SECTION("I - I2 with saturation ")
{
const bool saturation = true;
common_tools::fill(I2);
common_tools::imageSubtractRef(I, I2, Iref, saturation);
vpImageTools::imageSubtract(I, I2, Isub, saturation);
CHECK((Isub == Iref));
}
}
int main(int argc, char *argv[])
{
Catch::Session session; // There must be exactly one instance
// Let Catch (using Clara) parse the command line
session.applyCommandLine(argc, argv);
int numFailed = session.run();
// numFailed is clamped to 255 as some unices only use the lower 8 bits.
// This clamping has already been applied, so just return it here
// You can also do any post run clean-up here
return numFailed;
}
#else
int main() { return 0; }
#endif
static void read(vpImage< unsigned char > &I, const std::string &filename, int backend=IO_DEFAULT_BACKEND)
Definition: vpImageIo.cpp:148
static void imageSubtract(const vpImage< unsigned char > &I1, const vpImage< unsigned char > &I2, vpImage< unsigned char > &Ires, bool saturate=false)
static void imageAdd(const vpImage< unsigned char > &I1, const vpImage< unsigned char > &I2, vpImage< unsigned char > &Ires, bool saturate=false)
unsigned int getWidth() const
Definition: vpImage.h:246
unsigned int getHeight() const
Definition: vpImage.h:188
static std::string getViSPImagesDataPath()
Definition: vpIoTools.cpp:1368
static std::string createFilePath(const std::string &parent, const std::string &child)
Definition: vpIoTools.cpp:1687