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tdebindings/kjsembed/docs/examples/imageinfo/imagescale.js

29 lines
631 B

#!/opt/trinity/bin/kjscmd
//
// Load an image, scale it, and save it in the specified format.
//
if ( application.args.length >= 3 ) {
var infile = application.args[0];
var outfile = application.args[1];
var scale = application.args[2];
var img = new Image();
img.load( infile );
if ( img.isOk() ) {
if ( application.args.length > 3 ) {
img.format = application.args[3];
}
img.smoothScale( img.width*(scale/100.0), img.height*(scale/100.0) );
img.save( outfile );
}
}
else {
System.out.println( 'Usage:' );
System.err.println( '\timagescale imgfile outfile percent [format]' );
}