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MasterPassword/Scripts/convertImages

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#! /usr/bin/env bash
source bashlib
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cd "${0%/*}/../MasterPassword/Resources/Media"
PATH+=:/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin
temp="${TMPDIR:-/tmp}/.$$.convertImages"
mkdir "$temp" || err "Couldn't create temp directory." || return
trap 'rmdir "$temp"' EXIT
downsize() {
local from=$1 to=$2 size=${3:-50%}
convert "$from" -filter box -resize "$size" -unsharp 1x1+1+0.4 "$to"
pngcrush -d "$temp" -rem gAMA -rem cHRM -rem sRGB -rem iCCP "$to" && mv "$temp/"* "$to"
}
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inf "Converting appiconsets"
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icons=(
[114]="Icon@2x.png"
[120]="Icon-60@2x.png"
[80]="Icon-40@2x.png"
[144]="Icon-72@2x.png"
[58]="Icon-Small@2x.png"
[100]="Icon-Small-50@2x.png"
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[512]="iTunesArtwork"
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)
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for size in $(reverse "${!icons[@]}"); do
file=Images.xcassets/AppIcon.appiconset/${icons[size]}
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if [[ "iTunesArtwork@2x" -nt $file ]]; then
pinf "$file ($size px)"
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downsize "iTunesArtwork@2x" "$file" "${size}x${size}"
fnip
fi
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done
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inf "Populating iconsets"
icons=(
"icon_512x512.png"
"icon_256x256@2x.png"
"icon_256x256.png"
"icon_128x128@2x.png"
"icon_128x128.png"
"icon_32x32@2x.png"
"icon_32x32.png"
"icon_16x16@2x.png"
"icon_16x16.png"
)
for iconset in *.iconset; do
[[ -d $iconset ]] || continue
for dest in "${icons[@]}"; do
src=$iconset/icon_512x512@2x.png
dest=$iconset/$dest
IFS='_x@.' read _ _ points scale _ <<< "${dest##*/}"
[[ $scale = *[^[:digit:]]* ]] && scale=1
size=$(( points * scale ))
if [[ ! -e $dest || "$src" -nt "$dest" ]]; then
pinf "$src -> $dest ($size px)"
downsize "$src" "$dest" "$size"
fnip
fi
done
done
hr
inf "Converting @2x/-hd artwork"
for file in ./**/*{@2x,-ipadhd,-hd}.png; do
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inArray "${file##*/}" "${icons[@]}" && continue
[[ ! -e $file ]] && continue
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dest=${file/@(@2x|-hd)}
dest=${dest/-ipadhd/-ipad}
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if [[ $file = Default* ]]; then
read width height < <(identify -format '%w %h' "$file")
if (( width > height )); then
emit "Rotating $file" --
mogrify -rotate 90 "$file"
emit -$?
fi
fi
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if [[ ! -e $dest || "$dest" -ot "$file" ]]; then
pinf "$file -> $dest"
downsize "$file" "$dest"
fnip
fi
done