makefile stuffs, to generate pngs

1 files changed, 41 insertions, 6 deletions

diff --git a/Makefile b/Makefile
index 86f6bda..39c5af1 100644
--- a/Makefile
+++ b/Makefile
@@ -1,12 +1,34 @@
 # $Id$
 
-chapters = chapter_*.xml
+chapters := $(wildcard chapter_*.xml)
 
-book.html: build.sh main.xml $(chapters)
+imgs_ps := $(wildcard ps-imgs/*.eps)
+imgs_png := $(addsuffix .png,$(addprefix png/,$(basename $(notdir $(imgs_ps)))))
+
+
+list_imgs:
+	@echo $(imgs_ps)
+	@echo $(imgs_png)
+
+define png_template
+$(1): $(2)
+	mkdir -p $(CWD)png && \
+	convert $(2) -antialias -flatten $(1)
+endef
+
+# this is a little voodoo, to iterate over the *.eps files, 
+# and create a make target of the png output name, that will
+# build those *.png files
+# :) --vbatts
+$(foreach ps,$(imgs_ps),$(eval $(call png_template,$(addsuffix .png,$(addprefix png/,$(basename $(notdir $(ps))))),$(ps))))
+
+images: $(imgs_png)
+
+book.html: build.sh main.xml $(chapters) $(imgs_png) .clean.html
 	sh build.sh && \
 	ls -l $@
 
-book.pdf: main.xml $(chapters) .dblatex
+book.pdf: main.xml $(chapters) $(imgs_png) .dblatex .clean.pdf
 	dblatex \
 		--pdf \
 		-x'-xinclude' \
@@ -20,11 +42,24 @@ view.html: book.html
 	xdg-open $<
 
 .dblatex:
-	$(shell which dblatex 2>/dev/null || echo "ERROR: 'dblatex' REQUIRED, SEE http://github.com/vbatts/SlackBuilds/ FOR THE SlackBuild")
+	$(shell which dblatex 2>/dev/null >/dev/null || echo "ERROR: 'dblatex' REQUIRED, SEE http://github.com/vbatts/SlackBuilds/ FOR THE SlackBuild")
+
+
+.PHONY: .clean.html
+.clean.html:
+	rm -f book.html
 
+.PHONY: .clean.pdf
+.clean.pdf:
+	rm -f book.pdf
+
+.PHONY: .clean.images
+.clean.images:
+	rm -fr png/
 
 .PHONY: clean
-clean:
-	rm -f book.html book.pdf
+clean: .clean.pdf .clean.html .clean.images
+	
 
 .DEFAULT_GOAL := book.html
+