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| 1 | +#!/bin/sh |
| 2 | +# |
| 3 | +# Originally developed by dave@bitboss.ca |
| 4 | +# https://github.com/bitboss-ca/png2icns |
| 5 | + |
| 6 | + |
| 7 | +# Exec Paths |
| 8 | +SIPS='/usr/bin/sips' |
| 9 | +ICONUTIL='/usr/bin/iconutil' |
| 10 | +if [ ! -x "${SIPS}" ]; then |
| 11 | + echo "Cannot find required SIPS executable at: ${SIPS}" >&2 |
| 12 | + exit 1; |
| 13 | +fi |
| 14 | +if [ ! -x "${ICONUTIL}" ]; then |
| 15 | + echo "Cannot find required ICONUTIL executable at: ${ICONUTIL}" >&2 |
| 16 | + exit 1; |
| 17 | +fi |
| 18 | + |
| 19 | +# Parameters |
| 20 | +SOURCE=$1 |
| 21 | + |
| 22 | +# Get source image |
| 23 | +if [ -z "${SOURCE}" ]; then |
| 24 | + echo "No source image specified, searching in current directory...\c" |
| 25 | + SOURCE=$( ls *.png | head -n1 ) |
| 26 | + if [ -z "${SOURCE}" ]; then |
| 27 | + echo "No source image specified and none found." |
| 28 | + exit 1; |
| 29 | + else |
| 30 | + echo "FOUND"; |
| 31 | + fi |
| 32 | +fi |
| 33 | + |
| 34 | + |
| 35 | +# File Infrastructure |
| 36 | +NAME=$(basename "${SOURCE}") |
| 37 | +EXT="${NAME##*.}" |
| 38 | +BASE="${NAME%.*}" |
| 39 | +ICONSET="${BASE}.iconset" |
| 40 | + |
| 41 | +# Debug Info |
| 42 | +echo "SOURCE: ${SOURCE}" |
| 43 | +echo "NAME: $NAME" |
| 44 | +echo "BASE: $BASE" |
| 45 | +echo "EXT: $EXT" |
| 46 | +echo "ICONSET: $ICONSET" |
| 47 | + |
| 48 | +# Get source image info |
| 49 | +SRCWIDTH=$( $SIPS -g pixelWidth "${SOURCE}" | tail -n1 | awk '{print $2}') |
| 50 | +SRCHEIGHT=$( $SIPS -g pixelHeight "${SOURCE}" | tail -n1 | awk '{print $2}' ) |
| 51 | +SRCFORMAT=$( $SIPS -g format "${SOURCE}" | tail -n1 | awk '{print $2}' ) |
| 52 | + |
| 53 | +# Debug Info |
| 54 | +echo "SRCWIDTH: $SRCWIDTH" |
| 55 | +echo "SRCHEIGHT: $SRCHEIGHT" |
| 56 | +echo "SRCFORMAT: $SRCFORMAT" |
| 57 | + |
| 58 | +# Check The Source Image |
| 59 | +if [ "x${SRCWIDTH}" != "x1024" ] || [ "x${SRCHEIGHT}" != "x1024" ]; then |
| 60 | + echo "ERR: Source image should be 1024 x 1024 pixels." >&2 |
| 61 | + exit 1; |
| 62 | +fi |
| 63 | +if [ "x${SRCFORMAT}" != "xpng" ]; then |
| 64 | + echo "ERR: Source image format should be png." >&2 |
| 65 | + exit 1; |
| 66 | +fi |
| 67 | + |
| 68 | +# Resample image into iconset |
| 69 | +mkdir "${ICONSET}" |
| 70 | +$SIPS -s format png --resampleWidth 1024 "${SOURCE}" --out "${ICONSET}/icon_512x512@2x.png" > /dev/null 2>&1 |
| 71 | +$SIPS -s format png --resampleWidth 512 "${SOURCE}" --out "${ICONSET}/icon_512x512.png" > /dev/null 2>&1 |
| 72 | +cp "${ICONSET}/icon_512x512.png" "${ICONSET}/icon_256x256@2x.png" |
| 73 | +$SIPS -s format png --resampleWidth 256 "${SOURCE}" --out "${ICONSET}/icon_256x256.png" > /dev/null 2>&1 |
| 74 | +cp "${ICONSET}/icon_256x256.png" "${ICONSET}/icon_128x128@2x.png" |
| 75 | +$SIPS -s format png --resampleWidth 128 "${SOURCE}" --out "${ICONSET}/icon_128x128.png" > /dev/null 2>&1 |
| 76 | +$SIPS -s format png --resampleWidth 64 "${SOURCE}" --out "${ICONSET}/icon_32x32@2x.png" > /dev/null 2>&1 |
| 77 | +$SIPS -s format png --resampleWidth 32 "${SOURCE}" --out "${ICONSET}/icon_32x32.png" > /dev/null 2>&1 |
| 78 | +cp "${ICONSET}/icon_32x32.png" "${ICONSET}/icon_16x16@2x.png" |
| 79 | +$SIPS -s format png --resampleWidth 16 "${SOURCE}" --out "${ICONSET}/icon_16x16.png" > /dev/null 2>&1 |
| 80 | + |
| 81 | +# Create an icns file from the iconset |
| 82 | +$ICONUTIL -c icns "${ICONSET}" |
| 83 | + |
| 84 | +# Clean up the iconset |
| 85 | +rm -rf "${ICONSET}" |
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