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Diffstat (limited to 'kjsembed/docs/examples/imageinfo/imageinfo.js')
-rwxr-xr-x | kjsembed/docs/examples/imageinfo/imageinfo.js | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/kjsembed/docs/examples/imageinfo/imageinfo.js b/kjsembed/docs/examples/imageinfo/imageinfo.js new file mode 100755 index 00000000..957b1a49 --- /dev/null +++ b/kjsembed/docs/examples/imageinfo/imageinfo.js @@ -0,0 +1,37 @@ +#!/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 ); + } + } +} + + + |