https://github.com/traneptora/umbrielpng

PNG chunk analyzer and modifier
https://github.com/traneptora/umbrielpng

Last synced: 22 days ago
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PNG chunk analyzer and modifier

• Host: GitHub
• URL: https://github.com/traneptora/umbrielpng
• Owner: Traneptora
• License: bsd-3-clause
• Created: 2023-07-14T15:32:52.000Z (over 1 year ago)
• Default Branch: main
• Last Pushed: 2024-09-26T02:50:39.000Z (about 2 months ago)
• Last Synced: 2024-10-04T13:45:37.837Z (about 1 month ago)
• Language: C
• Size: 183 KB
• Stars: 1
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# umbrielpng

PNG chunk analyzer and modifier

```

$ gcc -Wall -o ./umbrielpng umbrielpng.c -lz

$ ./umbrielpng --help

Usage: ./umbrielpng [options] [--] 

Options:

    -v, --verbose

        Be verbose. Specify twice to be extra verbose.

    --fix-in-place, -o , --o=

        Fix the PNG file. --fix-in-place works in place, otherwise use the provided output.

    --cicp-prim=

    --cicp-trc=

        Tag the output file with a cICP chunk with the provided primaries and transfer.

    --srgb

        Equivalent to --cicp-prim=bt709 --cicp-trc=srgb

```