valentina/scripts/fix_png.sh
Roman Telezhynskyi 643fafcbc9 Resolved issue #517. MAC version incorrect sRGB profile.
libpng warning: iCCP: known incorrect sRGB profile.

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branch : develop
2016-06-26 21:27:04 +03:00

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#!/bin/bash
# The script helps to automate fixing issue "libpng warning: iCCP: known incorrect sRGB profile".
# Main idea: https://stackoverflow.com/questions/22745076/libpng-warning-iccp-known-incorrect-srgb-profile
# Use "pngcrush" to remove the incorrect sRGB profile from the png file
# Link: http://pmt.sourceforge.net/pngcrush/
# -ow will overwrite the input file
# -rem allb will remove all ancillary chunks except tRNS and gAMA
# -reduce does lossless color-type or bit-depth reduction
#In the console output you should see "Removed the sRGB chunk.", and possibly more messages about chunk removals.
#You will end up with a smaller, optimized png file. As the command will overwrite the original file, make
#sure to create a backup or use version control.
# IMPORTANT!!! Run script inside 'scripts' directory.
# usage:
# $ ./fix_png.sh
find .. -type f -iname '*.png' -exec pngcrush -ow -rem allb -reduce {} \;