OpenImageIO/oiio — pull request #268 by amanforindia (2012-03-27 19:54:20+00:00)
Title: Added a simple testcase for png files

In testsuite directory, I created a "png" directory with "run.py" and "ref/out.txt". For the test it uses the following images from oiio-images, oiio-logo-no-alpha.png and oiio-logo-with-alpha.png.