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This test program uses OpenGL (Mesa) to simulate camera input,and writes decoded Data Matrix streams to STDOUT.Right-click on the window to cycle through the test images. Toadd your own images for testing, just overwrite any image in thelibdmtx/test/test_images directory with another 256x256 PNG file.If you want to add brand new images then you will have to updatethe gFilename[] and gFileCount variables at the top of gltest.cto include them.
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