diff options
Diffstat (limited to 'Lib/dos-8x3/test_ima.py')
| -rw-r--r-- | Lib/dos-8x3/test_ima.py | 62 |
1 files changed, 31 insertions, 31 deletions
diff --git a/Lib/dos-8x3/test_ima.py b/Lib/dos-8x3/test_ima.py index 89b111c..63ab138 100644 --- a/Lib/dos-8x3/test_ima.py +++ b/Lib/dos-8x3/test_ima.py @@ -15,14 +15,14 @@ def main(use_rgbimg=1): uu.decode(get_qualified_path('testrgb.uue'), 'test.rgb') if use_rgbimg: - image, width, height = getrgbimage('test.rgb') + image, width, height = getrgbimage('test.rgb') else: - image, width, height = getimage('test.rgb') - + image, width, height = getimage('test.rgb') + # Return the selected part of image, which should by width by height # in size and consist of pixels of psize bytes. if verbose: - print 'crop' + print 'crop' newimage = imageop.crop (image, 4, width, height, 0, 0, 1, 1) # Return image scaled to size newwidth by newheight. No interpolation @@ -30,7 +30,7 @@ def main(use_rgbimg=1): # Therefore, computer-generated images or dithered images will # not look nice after scaling. if verbose: - print 'scale' + print 'scale' scaleimage = imageop.scale(image, 4, width, height, 1, 1) # Run a vertical low-pass filter over an image. It does so by computing @@ -38,34 +38,34 @@ def main(use_rgbimg=1): # pixels. The main use of this routine is to forestall excessive flicker # if the image two vertically-aligned source pixels, hence the name. if verbose: - print 'tovideo' + print 'tovideo' videoimage = imageop.tovideo (image, 4, width, height) # Convert an rgb image to an 8 bit rgb if verbose: - print 'rgb2rgb8' + print 'rgb2rgb8' greyimage = imageop.rgb2rgb8(image, width, height) # Convert an 8 bit rgb image to a 24 bit rgb image if verbose: - print 'rgb82rgb' + print 'rgb82rgb' image = imageop.rgb82rgb(greyimage, width, height) # Convert an rgb image to an 8 bit greyscale image if verbose: - print 'rgb2grey' + print 'rgb2grey' greyimage = imageop.rgb2grey(image, width, height) # Convert an 8 bit greyscale image to a 24 bit rgb image if verbose: - print 'grey2rgb' + print 'grey2rgb' image = imageop.grey2rgb(greyimage, width, height) # Convert a 8-bit deep greyscale image to a 1-bit deep image by # tresholding all the pixels. The resulting image is tightly packed # and is probably only useful as an argument to mono2grey. if verbose: - print 'grey2mono' + print 'grey2mono' monoimage = imageop.grey2mono (greyimage, width, height, 0) # monoimage, width, height = getimage('monotest.rgb') @@ -75,42 +75,42 @@ def main(use_rgbimg=1): # monochrome black-and-white image to greyscale pass the values 0 and # 255 respectively. if verbose: - print 'mono2grey' + print 'mono2grey' greyimage = imageop.mono2grey (monoimage, width, height, 0, 255) # Convert an 8-bit greyscale image to a 1-bit monochrome image using a # (simple-minded) dithering algorithm. if verbose: - print 'dither2mono' + print 'dither2mono' monoimage = imageop.dither2mono (greyimage, width, height) # Convert an 8-bit greyscale image to a 4-bit greyscale image without # dithering. if verbose: - print 'grey2grey4' + print 'grey2grey4' grey4image = imageop.grey2grey4 (greyimage, width, height) # Convert an 8-bit greyscale image to a 2-bit greyscale image without # dithering. if verbose: - print 'grey2grey2' + print 'grey2grey2' grey2image = imageop.grey2grey2 (greyimage, width, height) # Convert an 8-bit greyscale image to a 2-bit greyscale image with # dithering. As for dither2mono, the dithering algorithm is currently # very simple. if verbose: - print 'dither2grey2' + print 'dither2grey2' grey2image = imageop.dither2grey2 (greyimage, width, height) # Convert a 4-bit greyscale image to an 8-bit greyscale image. if verbose: - print 'grey42grey' + print 'grey42grey' greyimage = imageop.grey42grey (grey4image, width, height) # Convert a 2-bit greyscale image to an 8-bit greyscale image. if verbose: - print 'grey22grey' + print 'grey22grey' image = imageop.grey22grey (grey2image, width, height) # Cleanup @@ -123,12 +123,12 @@ def getrgbimage(name): import rgbimg try: - sizes = rgbimg.sizeofimage(name) + sizes = rgbimg.sizeofimage(name) except rgbimg.error: - name = get_qualified_path(name) - sizes = rgbimg.sizeofimage(name) + name = get_qualified_path(name) + sizes = rgbimg.sizeofimage(name) if verbose: - print 'rgbimg opening test image: %s, sizes: %s' % (name, str(sizes)) + print 'rgbimg opening test image: %s, sizes: %s' % (name, str(sizes)) image = rgbimg.longimagedata(name) return (image, sizes[0], sizes[1]) @@ -141,12 +141,12 @@ def getimage(name): import imgfile try: - sizes = imgfile.getsizes(name) + sizes = imgfile.getsizes(name) except imgfile.error: - name = get_qualified_path(name) - sizes = imgfile.getsizes(name) + name = get_qualified_path(name) + sizes = imgfile.getsizes(name) if verbose: - print 'imgfile opening test image: %s, sizes: %s' % (name, str(sizes)) + print 'imgfile opening test image: %s, sizes: %s' % (name, str(sizes)) image = imgfile.read(name) return (image, sizes[0], sizes[1]) @@ -157,13 +157,13 @@ def get_qualified_path(name): import os path = sys.path try: - path = [os.path.dirname(__file__)] + path + path = [os.path.dirname(__file__)] + path except NameError: - pass + pass for dir in path: - fullname = os.path.join(dir, name) - if os.path.exists(fullname): - return fullname + fullname = os.path.join(dir, name) + if os.path.exists(fullname): + return fullname return name # rgbimg (unlike imgfile) is portable to platforms other than SGI. |