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30 lines
901 B
30 lines
901 B
#!/bin/sh |
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## |
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## png2ico.sh -- PNG to ICO(N) format conversion with ImageMagick |
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## Copyright (c) 2014 Ralf S. Engelschall <rse@engelschall.com> |
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## |
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## See Also: |
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## - http://en.wikipedia.org/wiki/ICO_%28file_format%29 |
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## - http://en.wikipedia.org/wiki/Favicon |
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## |
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# sanity check usage |
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if [ $# -ne 2 ]; then |
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echo "USAGE: png2ico <name>.{png|gif|...} <name>.ico" 1>&2 |
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exit 1 |
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fi |
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# run ImageMagick to perform the conversion |
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exec @l_prefix@/bin/convert \ |
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"$1" \ |
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-background transparent \ |
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-bordercolor transparent \ |
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-border 0 \ |
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-colors 256 \ |
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\( -clone 0 -resize x16 -gravity center -crop 16x16+0+0\! -flatten \) \ |
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\( -clone 0 -resize x32 -gravity center -crop 32x32+0+0\! -flatten \) \ |
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\( -clone 0 -resize x48 -gravity center -crop 48x48+0+0\! -flatten \) \ |
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\( -clone 0 -resize x64 -gravity center -crop 64x64+0+0\! -flatten \) \ |
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-delete 0 \ |
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"$2" |
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