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PATH: usr / share / doc / ImageMagick-c++-devel-6.9.10.68 / examples

//
// Replace transparency in an image with a solid color using Magick++
//
// Useful to see how a transparent image looks on a particular
// background color, or to create a similar looking effect without
// transparency.
//
// Copyright Bob Friesenhahn, 2000
//
// Usage: detrans color file...
//

#include <Magick++.h>
#include <iostream>
using namespace std; 
using namespace Magick;
int main(int argc,char **argv) 
{
  if ( argc < 3 )
    {
      cout << "Usage: " << argv[0] << " background_color file..." << endl;
      exit( 1 );
    }

// Initialize ImageMagick install location for Windows
  InitializeMagick(*argv);

{
    Color color;
    try {
      color = Color(argv[1]);
    }
    catch ( Exception &error_ )
      {
        cout << error_.what() << endl;
        cout.flush();
        exit(1);
      }

char **arg = &argv[2];
    while ( *arg )
      {
        string fname(*arg);
        try {
          Image overlay( fname );
          Image base( overlay.size(), color );
          base.composite( overlay, 0, 0, OverCompositeOp );
          base.matte( false );
          base.write( fname );
        }
        catch( Exception &error_ ) 
          { 
            cout << error_.what() << endl; 
          }
        ++arg;
      }
  }

return 0; 
}

[-] flip.cpp [edit]
[-] model.miff [edit]
[+] ..
[-] zoom.cpp [edit]
[-] tile.miff [edit]
[-] smile.miff [edit]
[-] smile_anim.miff [edit]
[-] shapes.cpp [edit]
[-] demo.cpp [edit]
[-] piddle.cpp [edit]
[-] detrans.cpp [edit]
[-] button.cpp [edit]
[-] gravity.cpp [edit]
[-] analyze.cpp [edit]