Lines Matching +full:greytest +full:. +full:rgb

1 """Simple test script for imgfile.c
2    Roger E. Masse
5 from test.test_support import verbose, unlink, findfile, import_module
13        on the image passed in name.
24         # of the image in pixels and z is the number of bytes per pixel. Only
25         # 3 byte RGB pixels and 1 byte greyscale pixels are supported.
26         sizes = imgfile.getsizes(name)
27     except imgfile.error:
28         # get a more qualified path component of the script...
30             ourname = sys.argv[0]
31         else: # ...or the full path of the module
32             ourname = sys.modules[__name__].__file__
34         parts = ourname.split(os.sep)
36         name = os.sep.join(parts)
37         sizes = imgfile.getsizes(name)
41     # and returns it as a python string. The string has either 1 byte
42     # greyscale pixels or 4 byte RGBA pixels. The bottom left pixel
43     # is the first in the string. This format is suitable to pass
44     # to gl.lrectwrite, for instance.
45     image = imgfile.read(name)
47     # This function writes the RGB or greyscale data in data to
48     # image file file. x and y give the size of the image, z is
49     # 1 for 1 byte greyscale images or 3 for RGB images (which
51     # bytes are used). These are the formats returned by gl.lrectread.
54     imgfile.write (outputfile, image, sizes[0], sizes[1], sizes[2])
60     # is scaled to the given x and y sizes. If the filter and blur
63     # especially for computer-generated images.  Alternatively,
65     # scaling. The filter forms supported are 'impulse', 'box',
66     # 'triangle', 'quadratic' and 'gaussian'. If a filter is
68     # blurriness of the filter. It defaults to 1.0.  readscaled
70     # is the users' responsibility.
73     simage = imgfile.readscaled (name, sizes[0]/2, sizes[1]/2, 'impulse', 2.0)
78     # bottom(flag is one, compatible with X). The default is zero.
81     imgfile.ttob (1)
85     simage = imgfile.readscaled (name, sizes[0]/2, sizes[1]/2, 'triangle', 3.0)
88     imgfile.ttob (0)
91     simage = imgfile.readscaled (name, sizes[0]/2, sizes[1]/2, 'quadratic')
93     simage = imgfile.readscaled (name, sizes[0]/2, sizes[1]/2, 'gaussian', 1.0)
97     imgfile.write (outputfile, simage, sizes[0]/2, sizes[1]/2, sizes[2])
99     os.unlink(outputfile)
104     uu.decode(findfile('testrgb.uue'), 'test.rgb')
105     uu.decode(findfile('greyrgb.uue'), 'greytest.rgb')
108     testimage('test.rgb')
111     testimage('greytest.rgb')
113     unlink('test.rgb')
114     unlink('greytest.rgb')