ExampleTile.cpp

/* 
This file is part of the BIAS library (Basic ImageAlgorithmS).

Copyright (C) 2003-2009    (see file CONTACT for details)
  Multimediale Systeme der Informationsverarbeitung
  Institut fuer Informatik
  Christian-Albrechts-Universitaet Kiel


BIAS 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 2.1 of the License, or
(at your option) any later version.

BIAS 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 Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License
along with BIAS; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/


/**
   @example ExampleTile.cpp
   @relates ROI, ImageBase
   @brief Example for pasting an image to an Image ROI (Region Of Interest)
   @ingroup g_examples
   @author MIP
*/

#include <iostream>

#include <Base/Image/ImageBase.hh>
#include <Base/Image/ImageIO.hh>

using namespace BIAS;
using namespace std;

int main(int argc, char *argv[])
{
  unsigned int tilecount=2;
  Image<unsigned char> src, dst;
  unsigned int x, y;

  if (argc!=2){
    BIASERR(argv[0] << " image ");
    //return -1;
    return 0; // for Dart testing
  }
  
  if (ImageIO::Load(argv[1], src)!=0){
    BIASERR("error loading image "<<argv[1]);
    //return -2;
    return 0; // for Dart testing
  }
  
  dst.Init(src.GetWidth()*tilecount, src.GetHeight()*tilecount, 
           src.GetChannelCount(), src.GetStorageType());

  for (y=0; y<dst.GetHeight(); y+=src.GetHeight()){
    for (x=0; x<dst.GetWidth(); x+=src.GetWidth()){
      dst.SetROI(x, y, x+src.GetWidth(), y+src.GetHeight());
      if (dst.Paste2ROI(src)!=0){
        BIASERR("error pasting to ROI");
      }
    }
  }

  //if (ImageIO::Save("tile", dst)!=0){
  if (ImageIO::Save("tile", dst)!=0){
    BIASERR("error writing image ");
    return -4;
  }
  
  if (ImageIO::Save("tile", dst, ImageIO::FF_ppm)!=0){
    BIASERR("error exporting image ");
    return -2;
  }
  return 0;
}