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54 lines
1.2 KiB
54 lines
1.2 KiB
#!/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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