misc/flag-icons: add Esperanto flag and parallelize the build.

misc/flag-icons/Makefile

@@ -27,9 +27,13 @@ FLAVORS=	plain bordered rounded
 PKGNAMESUFFIX=	-${FLAVOR}
 .endif
 
+post-extract:
+	cd ${WRKSRC}/flags && ${SH} ${FILESDIR}/makeflags.sh add-missing-flags
+
 do-build:
-	cd ${BUILD_WRKSRC}/flags && ${SH} ${FILESDIR}/makeflags.sh \
-	${FLAVOR} ${STAGEDIR}${FLAGS_TOPDIR}/${FLAVOR} ${FLAG_SIZES}
+	cd ${BUILD_WRKSRC}/flags && JOBS=${MAKE_JOBS_NUMBER} ${SH} \
+		${FILESDIR}/makeflags.sh ${FLAVOR} \
+		${STAGEDIR}${FLAGS_TOPDIR}/${FLAVOR} ${FLAG_SIZES}
 
 post-stage:
 	cd ${STAGEDIR}${PREFIX} && ${FIND} share -type f >> ${TMPPLIST}

misc/flag-icons/files/makeflags.sh

@@ -1,6 +1,26 @@
+# https://commons.wikimedia.org/wiki/File:Flag_of_Esperanto.svg
+add-esperanto-flag()
+{
+	cat > "$1/epo.svg" << EOD
+<?xml version="1.0" encoding="UTF-8"?>
+<svg xmlns="http://www.w3.org/2000/svg" width="$2" height="400">
+<path fill="#FFF" d="m0,0h202v202H0"/>
+<path fill="#090" d="m0,200H200V0H$2V400H0m58-243 41-126 41,126-107-78h133"/>
+</svg>
+EOD
+}
+
+add-missing-flags()
+{
+	add-esperanto-flag 1x1 400
+	add-esperanto-flag 4x3 533
+}
+
+async() { "$@" & }
+
 simple()
 {
-	local comment convert_extra_args destdir height ratio subdir t0 width
+	local comment convert_extra_args destdir flag height i=0 ratio subdir t0 width
 
 	comment=$1; convert_extra_args=$2; destdir=$3; shift 3
 
@@ -12,9 +32,11 @@ simple()
 			echo -n "Generating $comment flags ${width}x${height}... "
 			t0=$(date +%s)
 			for flag in $subdir/*.svg; do
-				convert -resize ${width}x${height} $convert_extra_args \
+				i=$((i % ${JOBS:-1}))
+				test $((i+=1)) -eq 1 && wait
+				async convert -resize ${width}x${height} $convert_extra_args \
 				"$flag" "$destdir/${width}x${height}/$(basename "$flag" svg)png"
-			done
+			done; wait
 			echo "finished in $(date -ur $((`date +%s`-t0)) +%M:%S)"
 		done
 	done
@@ -33,7 +55,7 @@ bordered()
 # https://joeldare.com/rounding-image-corners-with-imagemagick
 rounded()
 {
-	local destdir height mask radius ratio subdir t0 width
+	local destdir flag height i=0 mask radius ratio subdir t0 width
 
 	destdir=$1; shift
 	mask=$(mktemp)
@@ -53,11 +75,13 @@ rounded()
 			echo -n "Generating rounded corner flags ${width}x${height}... "
 			t0=$(date +%s)
 			for flag in $subdir/*.svg; do
-				convert -resize ${width}x${height} \
+				i=$((i % ${JOBS:-1}))
+				test $((i+=1)) -eq 1 && wait
+				async convert -resize ${width}x${height} \
 				"$flag" -matte "$mask" \
 				-compose DstIn -composite -strip \
 				"$destdir/${width}x${height}/$(basename "$flag" svg)png"
-			done
+			done; wait
 			echo "finished in $(date -ur $((`date +%s`-t0)) +%M:%S)"
 		done
 	done