1 // 2 // Replace transparency in an image with a solid color using Magick++ 3 // 4 // Useful to see how a transparent image looks on a particular 5 // background color, or to create a similar looking effect without 6 // transparency. 7 // 8 // Copyright Bob Friesenhahn, 2000 9 // 10 // Usage: detrans color file... 11 // 12 13 #include <Magick++.h> 14 #include <iostream> 15 using namespace std; 16 using namespace Magick; 17 int main(int argc,char **argv) 18 { 19 if ( argc < 3 ) 20 { 21 cout << "Usage: " << argv[0] << " background_color file..." << endl; 22 exit( 1 ); 23 } 24 25 // Initialize ImageMagick install location for Windows 26 InitializeMagick(*argv); 27 28 { 29 Color color; 30 try { 31 color = Color(argv[1]); 32 } 33 catch ( Exception error_ ) 34 { 35 cout << error_.what() << endl; 36 cout.flush(); 37 exit(1); 38 } 39 40 char **arg = &argv[2]; 41 while ( *arg ) 42 { 43 string fname(*arg); 44 try { 45 Image overlay( fname ); 46 Image base( overlay.size(), color ); 47 base.composite( overlay, 0, 0, OverCompositeOp ); 48 base.alpha( false ); 49 base.write( fname ); 50 } 51 catch( Exception &error_ ) 52 { 53 cout << error_.what() << endl; 54 } 55 ++arg; 56 } 57 } 58 59 return 0; 60 } 61
