36 lines
1.2 KiB
Plaintext
36 lines
1.2 KiB
Plaintext
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# macro: %png_fix path/to/name-of.png
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# for given png, fixes 'IDAT: invalid distance too far back', etc.,
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# see pngfix --help
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#
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# -q do not output if macro fixed something or find unrecoverable error
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#
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# this macro fails only if there is an unrecoverable error in the png
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# -- pngfix returns nonzero and $png.fixed doesn't exist; run pngfix
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# on that file, see return code and compare with pngfix --help output
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%png_fix(q) \
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if test "x%1" == "x%%1"; then \
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echo "Missing argument in call to %%png_fix: path and name of png file." \
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exit 1 \
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fi \
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/usr/bin/pngfix %{-q: -qq} --suffix='.fixed' "%1" || true \
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mv "%1.fixed" "%1" \
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%nil
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#
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# macro: %png_fix_dir
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# for given directory, search *.png (recursively) and potentionaly
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# fix 'IDAT: invalid distance too far back', etc., see pngfix --help
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#
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# -q do not output if pngfix fixed something or find unrecoverable error
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#
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%png_fix_dir(q) \
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if test "x%1" == "x%%1"; then \
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echo "Missing argument in call to %%png_fix_dir: dir where to search png files." \
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exit 1 \
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fi \
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for png in `find "%1" -iname '*.png'`; do \
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# -q will be propagated \
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%png_fix $png \
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done \
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%nil
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