mirror of
https://github.com/mpv-player/mpv
synced 2024-12-22 23:02:37 +00:00
65 lines
2.9 KiB
Bash
65 lines
2.9 KiB
Bash
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#!/bin/sh
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set -e
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if [ $# -ne 2 ]; then
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echo >&2 "Usage: $0 input.svg output.ico"
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exit 1
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fi
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# For smooth rendering on high-DPI displays, the standard three app icon sizes
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# (16x16, 32x32 and 48x48) have to be scaled to the four Windows DPI settings
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# as in the table below:
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# Small Regular Tiles
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# 96 DPI (100%) 16x16 32x32 48x48
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# 120 DPI (125%) 20x20 40x40 60x60
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# 144 DPI (150%) 24x24 48x48 72x72
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# 196 DPI (200%) 32x32 64x64 96x96
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# Also, there should also be an extra large 256x256 icon and some low colour
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# 8-bit and 4-bit variants, which are still used in Remote Desktop.
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# Note: Windows Vista has a bug in its icon scaling that makes no sense.
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# Instead of following the DPI setting, small icons are always a bit larger
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# than they should be at 22x22, 26x26 and 36x36 for 120, 144 and 196 DPI. This
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# script doesn't generate icons with those sizes, since computers with Vista
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# and a high-DPI display are probably fairly rare these days.
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temppng=".$(basename "$1" .svg)-temp.png"
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inkscape --without-gui --export-png="$temppng" --export-dpi=72 \
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--export-background-opacity=0 --export-width=512 --export-height=512 \
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"$1" >/dev/null 2>&1
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# Old versions of ImageMagick (like the one in Cygwin) use the wrong gamma when
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# exporting icon files. To fix, add -gamma 2.2 after the input file.
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convert png:"$temppng" -filter lanczos2 \
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\( -clone 0 -resize 96x96 \) \
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\( -clone 0 -resize 72x72 \) \
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\( -clone 0 -resize 64x64 \) \
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\( -clone 0 -resize 60x60 \) \
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\( -clone 0 -resize 48x48 \) \
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\( -clone 0 -resize 40x40 \) \
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\( -clone 0 -resize 32x32 \) \
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\( -clone 0 -resize 24x24 \) \
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\( -clone 0 -resize 20x20 \) \
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\( -clone 0 -resize 16x16 \) \
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\( -clone 0 -resize 256x256 \) \
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\( -clone 0 -resize 32x32 \( -clone 0 -alpha opaque -colors 255 \) \
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\( -clone 0 -channel A -threshold 50% \) \
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-delete 0 -compose CopyOpacity -composite -colors 256 \) \
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\( -clone 0 -resize 16x16 \( -clone 0 -alpha opaque -colors 255 \) \
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\( -clone 0 -channel A -threshold 50% \) \
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-delete 0 -compose CopyOpacity -composite -colors 256 \) \
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\( -clone 0 -resize 32x32 \( -clone 0 -alpha opaque -colors 15 \) \
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\( -clone 0 -channel A -threshold 50% \) \
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-delete 0 -compose CopyOpacity -composite -colors 16 \) \
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\( -clone 0 -resize 16x16 \( -clone 0 -alpha opaque -colors 15 \) \
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\( -clone 0 -channel A -threshold 50% \) \
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-delete 0 -compose CopyOpacity -composite -colors 16 \) \
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-delete 0 \
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-define png:compression-level=9 -define png:include-chunk=none ico:"$2"
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rm "$temppng"
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