Legacy ImageMagick Discussions Archive

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• idenitfy -list format

Make sure the PNG format has a mode of rw- and it displays the PNG delegate library version number. If not ImageMagick was built without the requisite PNG delegate library which is required to read/write PNG images.

You need to check carefully the config.log file produced by the ImageMagick configure script to determine why ImageMagick failed to validate your PNG library. Perhaps its a permission problem or it could not find the header files.