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

38 lines
710 B

#!/usr/bin/env kjscmd
//
// Script to load an image and report some info about it.
//
function image_info( name )
{
var img = new Image();
img.load( name );
if ( !img.isOk() ) {
return null;
}
return img.width()+' x '+img.height()+' x '+img.depth()+ '\t'+img.format();
}
if ( application.args.length == 0 ) {
System.err.println( 'Usage:' );
System.err.println( '\timageinfo imgfile ...' );
}
else {
for ( var i = 0 ; i < application.args.length ; i++ ) {
var prefix = '';
if ( application.args.length > 1 ) {
prefix = application.args[i] + ':\t';
}
var msg = image_info( application.args[i] );
if ( msg ) {
System.err.println( prefix + msg );
}
}
}