From a5c6918f864ea3f1e74d4d892202d0d37377b9dd Mon Sep 17 00:00:00 2001
From: Stefano Rivera <stefano@rivera.za.net>
Date: Sat, 17 May 2014 15:48:14 +0200
Subject: [PATCH] Icon Makefile

---
 data/icons/Makefile | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 data/icons/Makefile

diff --git a/data/icons/Makefile b/data/icons/Makefile
new file mode 100644
index 0000000..fa114b6
--- /dev/null
+++ b/data/icons/Makefile
@@ -0,0 +1,27 @@
+TARGETS=robolock.icns robolock.ico
+
+PNGS=$(wildcard *.png)
+RGBA_PNGS=$(patsubst %,rgba/%,$(PNGS))
+
+.PHONY: all
+all: $(TARGETS)
+	rm -rf rgba
+
+.PHONY: clean
+clean:
+	rm -rf rgba
+	rm -f $(TARGETS)
+
+.PHONY: install-tools
+install-tools:
+	echo apt-get install icnsutils icoutils
+
+rgba/%.png: %.png
+	mkdir -p rgba
+	convert $^ PNG32:$@
+
+robolock.icns: $(filter-out %_24.png,$(RGBA_PNGS))
+	png2icns $@ $^
+
+robolock.ico: $(RGBA_PNGS)
+	icotool --create --output $@ $^
-- 
2.34.1