exampleConstImageAdapter.cpp File Reference

An example file for ConstImageAdapter. More...

#include <iostream>
#include "DGtal/base/Common.h"
#include "DGtal/helpers/StdDefs.h"
#include "ConfigExamples.h"
#include "DGtal/io/boards/Board2D.h"
#include "DGtal/io/colormaps/HueShadeColorMap.h"
#include "DGtal/io/colormaps/GrayscaleColorMap.h"
#include "DGtal/images/ImageContainerBySTLVector.h"
#include "DGtal/images/ConstImageAdapter.h"

Go to the source code of this file.

Functions
int	main ()
	[LogScaleFunctor] More...

Detailed Description

An example file for ConstImageAdapter.

This program is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see http://www.gnu.org/licenses/.

Author

Martial Tola (marti.nosp@m.al.t.nosp@m.ola@l.nosp@m.iris.nosp@m..cnrs.nosp@m..fr ) Laboratoire d'InfoRmatique en Image et Systèmes d'information - LIRIS (CNRS, UMR 5205), CNRS, France

Date

2012/12/4

This file is part of the DGtal library.

Definition in file exampleConstImageAdapter.cpp.

Function Documentation

main()

int main

(

void

)

[LogScaleFunctor]

[def]

[def]

[image_creation]

[image_creation]

[image_filling]

[image_filling]

[ConstImageAdapterForSubImage_creation]

[ConstImageAdapterForSubImage_creation]

[specificDomain_creation]

[specificDomain_creation]

[ConstImageAdapterForSpecificImage_creation]

[ConstImageAdapterForSpecificImage_creation]

[ConstImageAdapterForThresholderImage_creation]

[ConstImageAdapterForThresholderImage_creation]

[ConstImageAdapterForLogScale_creation]

[ConstImageAdapterForLogScale_creation]

Definition at line 76 of file exampleConstImageAdapter.cpp.

{
  using namespace Z2i;
  
  Board2D aBoard;
  
  typedef HueShadeColorMap<unsigned char> HueShade;     // a simple HueShadeColorMap varying on 'unsigned char' values
  typedef HueShadeColorMap<double> HueShadeDouble;      // a simple HueShadeColorMap varying on 'double' values
  typedef GrayscaleColorMap<unsigned char> Gray;        // a simple GrayscaleColorMap varying on 'unsigned char' values
  
  functors::Identity df;                                    // a simple functor that just returns its argument
 
  trace.beginBlock("image");
 
  typedef ImageContainerBySTLVector<Domain, unsigned char> Image;
  Domain domain(Point(1,1), Point(16,16));
  Image image(domain);
 
  unsigned char i = 0;
  for (Image::Iterator it = image.begin(); it != image.end(); ++it)
      *it = i++;
  
  aBoard.clear();
  Display2DFactory::drawImage<HueShade>(aBoard, image, (unsigned char)0, (unsigned char)255);
  aBoard.saveSVG("image.svg");
  
  trace.endBlock();
  
  trace.beginBlock("subImage");
  
  typedef ConstImageAdapter<Image, Domain, functors::Identity, Image::Value, functors::Identity > ConstImageAdapterForSubImage;
  Domain subDomain(Point(1,1), Point(8,8));
  ConstImageAdapterForSubImage subImage(image, subDomain, df, df);
  
  aBoard.clear();
  Display2DFactory::drawImage<HueShade>(aBoard, subImage, (unsigned char)0, (unsigned char)255);
  aBoard.saveSVG("subImage.svg");
    
  trace.endBlock();
  
  trace.beginBlock("specificImage");
  
  DigitalSet set(domain);
  for( unsigned int y=0; y < 17; y++)
    for( unsigned int x=0; x < 17; x++)
        if ((x%2) && (y%2))
          set.insertNew(Point(x,y));
        
  DigitalSetDomain<DigitalSet> specificDomain(set);
 
  typedef ConstImageAdapter<Image, DigitalSetDomain<DigitalSet>, functors::Identity, Image::Value, functors::Identity > ConstImageAdapterForSpecificImage;
  ConstImageAdapterForSpecificImage specificImage(image, specificDomain, df, df);
  
  aBoard.clear();
  Display2DFactory::drawImage<HueShade>(aBoard, specificImage, (unsigned char)0, (unsigned char)255);
  aBoard.saveSVG("specificImage.svg");
    
  trace.endBlock();
  
  trace.beginBlock("thresholderImage");
  
  typedef ConstImageAdapter<Image, Domain, functors::Identity, bool, DGtal::functors::Thresholder<Image::Value> > ConstImageAdapterForThresholderImage;
  DGtal::functors::Thresholder<Image::Value> t(127);
  ConstImageAdapterForThresholderImage thresholderImage(image, domain, df, t);
  
  aBoard.clear();
  Display2DFactory::drawImage<Gray>(aBoard, thresholderImage, (unsigned char)0, (unsigned char)1);
  aBoard.saveSVG("thresholderImage.svg");
    
  trace.endBlock();
  
  trace.beginBlock("logImage");
  
  typedef ConstImageAdapter<Image, Domain, functors::Identity, double, LogScaleFunctor<Image::Value> > ConstImageAdapterForLogScale;
  LogScaleFunctor<Image::Value> logScale;
  ConstImageAdapterForLogScale logImage(image, domain, df, logScale);
  
  aBoard.clear();
  Display2DFactory::drawImage<HueShadeDouble>(aBoard, logImage, 0.0, logScale(255));
  aBoard.saveSVG("logImage.svg");
    
  trace.endBlock();
  
  return 0;
}

References DGtal::Trace::beginBlock(), LibBoard::Board::clear(), domain, DGtal::Trace::endBlock(), DGtal::DigitalSetByAssociativeContainer< TDomain, TContainer >::insertNew(), LibBoard::Board::saveSVG(), and DGtal::trace.