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Number of color/alpha components exception when reading PNG images #20

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mksplg opened this issue Nov 4, 2014 · 0 comments
Open

Number of color/alpha components exception when reading PNG images #20

mksplg opened this issue Nov 4, 2014 · 0 comments
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0.0.3

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mksplg commented Nov 4, 2014

When reading certain PNG images the following exception is thrown:

Exception in thread "main" java.lang.IllegalArgumentException: Number of color/alpha components should be 4 but length of bits array is 3
    at java.awt.image.ColorModel.<init>(ColorModel.java:341)
    at java.awt.image.ComponentColorModel.<init>(ComponentColorModel.java:273)
    at at.ac.tuwien.photohawk.evaluation.colorconverter.ICCProfileColorConverter.<init>(ICCProfileColorConverter.java:53)
    at at.ac.tuwien.photohawk.evaluation.colorconverter.srgb.SRGBColorConverter.<init>(SRGBColorConverter.java:39)
    at at.ac.tuwien.photohawk.evaluation.qa.SsimQa.evaluate(SsimQa.java:71)
    at at.ac.tuwien.photohawk.commandline.Ssim.evaluate(Ssim.java:116)
    at at.ac.tuwien.photohawk.commandline.Photohawk.init(Photohawk.java:112)
    at at.ac.tuwien.photohawk.commandline.Photohawk.main(Photohawk.java:52)

One example where the problem occurrs is file 920000.png from govdocs.
920000
@mksplg mksplg added the bug label Nov 4, 2014
@mksplg mksplg self-assigned this Nov 4, 2014
@mksplg mksplg added this to the 0.0.3 milestone Nov 4, 2014
luis100 added a commit to luis100/photohawk that referenced this issue Aug 26, 2015
@luis100
fixing color scheme conversion to always use a 4 bit buffer so PNG wi…
2cbab57 
…th no transparence are supported, fixes datascience#20
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