From 93784423ef31cf0cc6b99f96bbd403e260b2b1f1 Mon Sep 17 00:00:00 2001
From: Romain Goyet <romain.goyet@numworks.com>
Date: Tue, 27 Sep 2016 14:03:29 +0200
Subject: [PATCH] [escher] Use the inliner to convert PNGs to .h/.cpp

Change-Id: Iabf6850e6a413f8c02768776887d1566c2ecb48c
---
 Makefile        |  2 +-
 escher/Makefile | 17 +++++++++++++++++
 2 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index 6d531edcf..1d540835a 100644
--- a/Makefile
+++ b/Makefile
@@ -61,8 +61,8 @@ endif
 include ion/Makefile
 include kandinsky/Makefile
 include poincare/Makefile
-include escher/Makefile
 include apps/Makefile
+include escher/Makefile # Escher should be included after apps as it needs to know which images to inline
 include quiz/Makefile # Quiz should be included at the end
 
 dependencies = $(objs:.o=.d)
diff --git a/escher/Makefile b/escher/Makefile
index 37ea7ede2..68cad3b0c 100644
--- a/escher/Makefile
+++ b/escher/Makefile
@@ -27,3 +27,20 @@ objs += $(addprefix escher/src/,\
   view_controller.o\
   window.o\
 )
+
+INLINER := escher/image/inliner
+
+$(INLINER): escher/image/inliner.c
+	@echo "HOSTCC  $@"
+	@$(HOSTCC) `libpng-config --cflags` `libpng-config --ldflags` $< -o $@
+
+inline_image_headers := $(inline_images:.png=.h)
+inline_image_sources := $(inline_images:.png=.cpp)
+inline_image_objs := $(inline_images:.png=.o)
+
+$(inline_image_sources) : %.cpp : %.png $(INLINER)
+	@echo "INLINER $@"
+	@$(INLINER) $<
+
+objs += $(inline_image_objs)
+products += $(INLINER) $(inline_image_headers) $(inline_image_sources)