build-logo

#!/bin/sh -e
#
# Build the variants of the perfSONAR logo
#

OUTDIR="$1"

#
# SVG Variants
#

for VARIANT in logo powered icon
do
    BASE_FILENAME="${OUTDIR}/perfsonar-${VARIANT}"
    case "${VARIANT}" in
	icon)
	    BASE_FILE="parts-icon.svg"
	    BASE_PARAMS="--param icon 1"
	    ;;

	logo)
	    BASE_FILE="parts-text.svg"
	    BASE_PARAMS="--param icon 1 --param text 1"
	    ;;

	powered)
	    BASE_FILE="parts.svg"
	    BASE_PARAMS="--param icon 1 --param text 1 --param powered 1"
	    ;;

	*)
	    echo "INTENRAL ERROR: Unsupported variant"
	    exit 1
	    ;;
    esac


    for COLOR in black white
    do
	for FILL in empty full transparent
	do

	    case "${FILL}" in
		empty)
		    PARAMS="${BASE_PARAMS} --param icon_fill 0"
		    ;;
		full|transparent)
		    PARAMS="${BASE_PARAMS} --param icon_fill 1"
		    ;;
		*)
		    echo "INTENRAL ERROR: Unsupported fill"
		    exit 1
		    ;;
	    esac

	    FILENAME="${BASE_FILENAME}-${COLOR}-${FILL}.svg"
	    xsltproc -o "${FILENAME}" ${PARAMS} parts.xslt "${BASE_FILE}"

	    # Apply color and transparency changes

	    case "${COLOR}" in
		black)
		    sed -i \
			-e 's/#808080/#000000/g' \
			"${FILENAME}"
		    ;;
		white)
		    sed -i \
			-e 's/#808080/#ffffff/g' \
			"${FILENAME}"
		    ;;
		*)
		    echo "INTENRAL ERROR: Unsupported color"
		    exit 1
		    ;;
	    esac

	    case "${FILL}" in
		empty|full)
		    true
		    ;;
		transparent)
		    sed -i -e 's/\([";]\)fill:#31b63f;fill-opacity:1/\1fill:#31b63f;fill-opacity:0.75/g' "${FILENAME}"
		    ;;
		*)
		    echo "INTENRAL ERROR: Unsupported fill"
		    exit 1
		    ;;
	    esac

	done
    done

done


case $(uname -s) in
    Darwin)
	INKSCAPE=/Applications/Inkscape.app/Contents/MacOS/inkscape
	;;
    *)
	INKSCAPE=inkscape
	;;
esac

#
# PNGs
#

for FILE in $(find "${OUTDIR}" -name "*.svg")
do
    OUTBASE=$(echo "${FILE}" | sed -e 's/\.[^.]*$//')

    for SIZE in 25 50 100 200 400 1000 2000 4000
    do
	OUTFILE="${OUTBASE}-${SIZE}.png"
	${INKSCAPE} \
	    --export-png="${OUTFILE}" \
	    --export-height="${SIZE}" \
	    "${FILE}"
    done
done


#
# Favicon
#

FAVICON_PNG="${OUTDIR}/favicon.png"
${INKSCAPE} \
    --export-png="${FAVICON_PNG}" \
    --export-height="16" \
    --export-width="16" \
    --export-background=#ffffff \
    "${OUTDIR}/perfsonar-icon-black-full.svg"

convert \
    -density 256x256 \
    "${FAVICON_PNG}" \
    -define icon:auto-resize="16,16" \
    -colors 256 \
    "${OUTDIR}/favicon.ico"

rm -f "${FAVICON_PNG}"