33 lines
892 B
Bash
Executable file
33 lines
892 B
Bash
Executable file
#!/bin/sh
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function usage() {
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NAME=$(basename "$0")
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echo "Usage: ${NAME} <source-icon> <output-directory>"
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}
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IN_FILE="$1"
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OUT_DIR="$2"
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if [[ ! -r "$IN_FILE" ]]; then
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echo "Missing source icon, or file not found: $IN_FILE"
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usage
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exit 1
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fi
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if [[ ! -d "$OUT_DIR" ]]; then
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echo "Missing output directory, or directory not found: $OUT_DIR"
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usage
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exit 2
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fi
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echo "* Generating App Store icon at 1024x1024 px"
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retina-scale "$IN_FILE" "$OUT_DIR" "$PREFIX" $SIZE $SIZE
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APPSTORE_FILE="${OUT_DIR}/${PREFIX}_1024.png"
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echo "> convert '${IN_FILE}' -scale 1024x1024 '${APPSTORE_FILE}'"
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gm convert "$IN_FILE" -scale 1024x1024 "$APPSTORE_FILE"
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for SIZE in 20 29 40 60 76 83.5; do
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FILENAME=$(basename "$IN_FILE")
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PREFIX="${FILENAME%.png}_$SIZE"
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echo "* Generating app icons at $SIZE points with filename prefix $PREFIX"
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retina-scale "$IN_FILE" "$OUT_DIR" "$PREFIX" $SIZE $SIZE
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done
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