diff options
| -rwxr-xr-x | Demo/sgi/video/imgconv.py | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/Demo/sgi/video/imgconv.py b/Demo/sgi/video/imgconv.py index 3990ae1..ab004c2 100755 --- a/Demo/sgi/video/imgconv.py +++ b/Demo/sgi/video/imgconv.py @@ -11,6 +11,27 @@ def null(img, x, y): def mono2grey(img, x, y): return imageop.mono2grey(img, x, y, 0, 255) +def grey2jpeggrey(img, x, y): + import jpeg + return jpeg.compress(img, x, y, 1) + +def rgb2jpeg(img, x, y): + import jpeg + return jpeg.compress(img, x, y, 4) + +def jpeggrey2grey(img, width, height): + import jpeg + data, width, height, bytesperpixel = jpeg.decompress(data) + if bytesperpixel <> 1: raise RuntimeError, 'not grayscale jpeg' + return data + +def jpeg2rgb(img, width, height): + import cl, CL + import jpeg + data, width, height, bytesperpixel = jpeg.decompress(data) + if bytesperpixel <> 4: raise RuntimeError, 'not rgb jpeg' + return data + converters = [ \ ('grey', 'grey4', imageop.grey2grey4, LOSSY), \ ('grey', 'grey2', imageop.dither2grey2, LOSSY), \ @@ -21,7 +42,11 @@ converters = [ \ ('rgb', 'rgb8', imageop.rgb2rgb8, LOSSY), \ ('rgb8', 'rgb', imageop.rgb82rgb, NOT_LOSSY), \ ('rgb', 'grey', imageop.rgb2grey, LOSSY), \ - ('grey', 'rgb', imageop.grey2rgb, NOT_LOSSY) \ + ('grey', 'rgb', imageop.grey2rgb, NOT_LOSSY), \ + ('jpeggrey','grey',jpeggrey2grey, NOT_LOSSY), \ + ('grey', 'jpeggrey',grey2jpeggrey, NOT_LOSSY), \ + ('jpeg', 'rgb', jpeg2rgb, NOT_LOSSY), \ + ('rgb', 'jpeg', rgb2jpeg, NOT_LOSSY), \ ] built = {} |