Fix grayscale transforms for images with transparency #142
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Remove the alpha channel for images with one when it needs to be a grayscale image. Right now instead of removing the alpha channel the code tries to activate the alpha channel and this throws an Exception "unable to set image alpha channel".
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Remove the alpha channel for images with one when it
needs to be a grayscale image.
Right now instead of removing the alpha channel the code tries to
activate the alpha channel and this throws an Exception
"unable to set image alpha channel".