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55 lines
1.2 KiB
55 lines
1.2 KiB
4 years ago
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#!/bin/sh
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#
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# Usage:
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#
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# tests/pngstest gamma alpha
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#
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# Run ./pngstest on the PNG files in $srcdir/contrib/testpngs which have the
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# given gamma and opacity:
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#
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# gamma: one of; linear, 1.8, sRGB, none.
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# alpha: one of; opaque, tRNS, alpha, none. 'none' is equivalent to !alpha
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#
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# NOTE: the temporary files pngstest generates have the base name gamma-alpha to
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# avoid issues with make -j
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#
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gamma="$1"
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shift
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alpha="$1"
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shift
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args=
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LC_ALL="C" # fix glob sort order to ASCII:
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for f in "${srcdir}/contrib/testpngs/"*.png
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do
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g=
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case "$f" in
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*-linear[.-]*)
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test "$gamma" = "linear" && g="$f";;
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*-sRGB[.-]*)
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test "$gamma" = "sRGB" && g="$f";;
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*-1.8[.-]*)
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test "$gamma" = "1.8" && g="$f";;
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*)
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test "$gamma" = "none" && g="$f";;
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esac
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case "$g" in
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"")
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:;;
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*-alpha[-.]*)
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test "$alpha" = "alpha" && args="$args $g";;
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*-tRNS[-.]*)
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test "$alpha" = "tRNS" -o "$alpha" = "none" && args="$args $g";;
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*)
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test "$alpha" = "opaque" -o "$alpha" = "none" && args="$args $g";;
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esac
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done
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# This only works if the arguments don't contain spaces; they don't.
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exec ./pngstest --tmpfile "${gamma}-${alpha}-" --log ${1+"$@"} $args
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