17 int main(
int argc,
char **argv) 
    21       cout << 
"Usage: " << argv[0] << 
" background_color file..." << endl;
    31       color = 
Color(argv[1]);
    35         cout << error_.
what() << endl;
    40     char **arg = &argv[2];
    45           Image overlay( fname );
    47           base.
composite( overlay, 0, 0, OverCompositeOp );
    53             cout << error_.
what() << endl; 
 virtual const char * what() const
class MagickPPExport Color
int main(int argc, char **argv)
void composite(const Image &compositeImage_, const Geometry &offset_, const CompositeOperator compose_=InCompositeOp)
void size(const Geometry &geometry_)
MagickPPExport void InitializeMagick(const char *path_)