Visual Servoing Platform  version 3.2.0 under development (2018-10-24)
testDisplayPolygonLines.cpp

Test display polygon lines.

/****************************************************************************
*
* This file is part of the ViSP software.
* Copyright (C) 2005 - 2017 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 display polygon lines
*
*****************************************************************************/
#include <cstdlib>
#include <visp3/core/vpImage.h>
#include <visp3/core/vpImageConvert.h>
#include <visp3/core/vpPolygon.h>
#include <visp3/core/vpRect.h>
#include <visp3/gui/vpDisplayD3D.h>
#include <visp3/gui/vpDisplayGDI.h>
#include <visp3/gui/vpDisplayGTK.h>
#include <visp3/gui/vpDisplayOpenCV.h>
#include <visp3/gui/vpDisplayX.h>
#include <visp3/io/vpParseArgv.h>
// List of allowed command line options
#define GETOPTARGS "cdh"
void usage(const char *name, const char *badparam);
bool getOptions(int argc, const char **argv, bool &click_allowed, bool &display);
void usage(const char *name, const char *badparam)
{
fprintf(stdout, "\n\
Display polygon lines.\n\
\n\
SYNOPSIS\n\
%s [-c] [-d] [-h]\n", name);
fprintf(stdout, "\n\
OPTIONS: Default\n\
-c\n\
Disable the mouse click. Useful to automate the \n\
execution of this program without humain intervention.\n\
\n\
-d \n\
Disable the image display. This can be useful \n\
for automatic tests. \n\
\n\
-h\n\
Print the help.\n\n");
if (badparam) {
fprintf(stderr, "ERROR: \n");
fprintf(stderr, "\nBad parameter [%s]\n", badparam);
}
}
bool getOptions(int argc, const char **argv, bool &click_allowed, bool &display)
{
const char *optarg_;
int c;
while ((c = vpParseArgv::parse(argc, argv, GETOPTARGS, &optarg_)) > 1) {
switch (c) {
case 'c':
click_allowed = false;
break;
case 'd':
display = false;
break;
case 'h':
usage(argv[0], NULL);
return false;
break;
default:
usage(argv[0], optarg_);
return false;
break;
}
}
if ((c == 1) || (c == -1)) {
// standalone param or error
usage(argv[0], NULL);
std::cerr << "ERROR: " << std::endl;
std::cerr << " Bad argument " << optarg_ << std::endl << std::endl;
return false;
}
return true;
}
int main(int argc, const char **argv)
{
#ifdef VISP_HAVE_DISPLAY
bool opt_click_allowed = true;
bool opt_display = true;
// Read the command line options
if (getOptions(argc, argv, opt_click_allowed, opt_display) == false) {
return EXIT_FAILURE;
}
if (opt_display && opt_click_allowed) {
vpImage<unsigned char> I(480, 640, 127);
vpImage<vpRGBa> I_color(480, 640);
#if defined(VISP_HAVE_X11)
vpDisplayX d, d2;
#elif defined(VISP_HAVE_GTK)
vpDisplayGTK d, d2;
#elif defined(VISP_HAVE_GDI)
vpDisplayGDI d, d2;
#elif defined(VISP_HAVE_D3D9)
vpDisplayD3D d, d2;
#elif defined(VISP_HAVE_OPENCV)
#endif
d.init(I, 0, 0, "Grayscale image");
vpDisplay::displayText(I, 20, 20, "Left click to draw a polygon, right click when it is finished.", vpColor::red);
vpPolygon polygon;
polygon.initClick(I);
vpDisplay::displayText(I, 20, 20, "Shape is not closed. Click to display dashed lines.", vpColor::red);
vpDisplay::displayText(I, 20, 20, "Shape is closed. Click to draw on color image.", vpColor::red);
d2.init(I_color, I.getWidth(), 0, "Color image");
// Create colormap
for (unsigned int i = 0; i < I_color.getHeight(); i++) {
double hue = i / (double)I_color.getHeight(), saturation = 1.0, value = 1.0;
unsigned char rgb[3];
vpImageConvert::HSVToRGB(&hue, &saturation, &value, rgb, 1);
for (unsigned int j = 0; j < I_color.getWidth(); j++) {
I_color[i][j].R = rgb[0];
I_color[i][j].G = rgb[1];
I_color[i][j].B = rgb[2];
}
}
vpDisplay::displayText(I_color, 20, 20, "Left click to draw a polygon, right click when it is finished.",
vpDisplay::flush(I_color);
polygon.initClick(I_color);
vpDisplay::displayText(I_color, 20, 20, "Shape is closed. Click to display dashed lines.", vpColor::black);
vpDisplay::displayLine(I_color, polygon.getCorners(), true, vpColor::red, 2);
vpDisplay::flush(I_color);
vpDisplay::displayText(I_color, 20, 20, "Shape is not closed. Click to quit.", vpColor::black);
vpDisplay::displayDotLine(I_color, polygon.getCorners(), false, vpColor::red, 2);
vpDisplay::flush(I_color);
}
#else
(void)argc;
(void)argv;
#endif
return EXIT_SUCCESS;
}