./graphics/pngcheck, Verify the integrity of PNG, JNG, and MNG files

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Branch: pkgsrc-2022Q4, Version: 3.0.3, Package name: pngcheck-3.0.3, Maintainer: pkgsrc-users

pngcheck verifies the integrity of PNG, JNG, and MNG files (by
checking the internal 32-bit CRCs [checksums] and decompressing
the image data); it can optionally dump almost all of the chunk-level
information in the image in human-readable form. For example, it
can be used to print the basic statistics about an image (dimensions,
bit depth, etc.); to list the color and transparency info in its
palette (assuming it has one); or to extract the embedded text
annotations. This is a command-line program with batch capabilities.

Master sites:

Filesize: 62.271 KB

Version history: (Expand)