/usr/share/doc/python-exactimage/examples/test.py is in python-exactimage 1.0.1-1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 | # ExactImage Python Example
# Copyright (C) 2008 - 2010 Rene Rebe, ExactCODE GmbH
import sys
sys.path.append('./objdir/api/python')
import ExactImage
image = ExactImage.newImage()
if ExactImage.decodeImageFile (image, "testsuite/281-4.2.04.tif"):
print "image decoded all fine."
else:
print "something went wrong ..."
exit
if ExactImage.encodeImageFile (image, "test.jpg", 80, ""):
print "image written all fine."
else:
print "something went wrong writing the image ..."
exit
# advanced use, use in memory locations
f = open("testsuite/281-4.2.04.tif")
try:
image_bits = f.read()
finally:
f.close()
if ExactImage.decodeImage (image, image_bits):
print "image read from RAM."
else:
print "something went wrong decoding the RAM\n";
exit
# image properties
print "Width: ", ExactImage.imageWidth (image)
print "Height: ", ExactImage.imageHeight (image)
print "Xres: ", ExactImage.imageXres (image)
print "Yres: ", ExactImage.imageYres (image)
print "Channels: ", ExactImage.imageChannels (image)
print "Channel depth: ", ExactImage.imageChannelDepth (image)
# setable as well
ExactImage.imageSetXres (image, 144);
ExactImage.imageSetYres (image, 144);
print "Xres: ", ExactImage.imageXres (image)
print "Yres: ", ExactImage.imageYres (image)
# image data manipulation
ExactImage.imageRotate (image, 90);
ExactImage.imageScale (image, 4);
ExactImage.imageBoxScale (image, .5);
image_bits = ExactImage.encodeImage (image, "jpeg", 80, "");
print "size: ", len(image_bits)
f = open("python.jpg", "w")
try:
image_bits = f.write(image_bits)
finally:
f.close()
ExactImage.deleteImage(image)
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