By adding "-dPDFSETTINGS=/ebook" in options passed to gs from epstopdf, pdf size of scanned images can be reduced. The image quality should be acceptable for perfbook. Now the size of perfbook.pdf becomes around 500KB smaller than the one built with a2ping. Signed-off-by: Akira Yokosawa <akiyks@xxxxxxxxx> --- epstopdf-rule.mk | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/epstopdf-rule.mk b/epstopdf-rule.mk index 51425972..83d335f0 100644 --- a/epstopdf-rule.mk +++ b/epstopdf-rule.mk @@ -6,6 +6,7 @@ EPSTOPDF := $(shell which epstopdf 2>/dev/null) GS_953_OR_LATER := $(shell gs --version | grep -c -E "9\.5[3-9].?") +GS_OPT=--gsopt=-dPDFSETTINGS=/ebook $(PDFTARGETS_OF_EPSORIG): %.pdf: %.eps @echo "$< --> $@" @@ -15,7 +16,7 @@ endif @cp $< $(basename $<)__.eps @sh $(FIXANEPSFONTS) $(basename $<)__.eps @eps2eps $(basename $<)__.eps $(basename $<)___.eps - @epstopdf $(basename $<)___.eps $@ + @epstopdf $(GS_OPT) $(basename $<)___.eps $@ @rm -f $(basename $<)__.eps $(basename $<)___.eps $(PDFTARGETS_OF_TEX): %.pdf: %.eps @@ -25,10 +26,10 @@ ifndef EPSTOPDF endif ifeq ($(GS_953_OR_LATER),1) @eps2eps -dALLOWPSTRANSPARENCY $< $(basename $<)__.eps - @epstopdf --gsopt=-dALLOWPSTRANSPARENCY $(basename $<)__.eps $@ + @epstopdf --gsopt=-dALLOWPSTRANSPARENCY $(GS_OPT) $(basename $<)__.eps $@ else @eps2eps $< $(basename $<)__.eps - @epstopdf --nosafer $(basename $<)__.eps $@ + @epstopdf --nosafer $(GS_OPT) $(basename $<)__.eps $@ endif @rm -f $(basename $<)__.eps @@ -38,5 +39,5 @@ ifndef EPSTOPDF $(error $< --> $@: epstopdf not found. Please install it) endif @eps2eps $< $(basename $<)__.eps - @epstopdf $(basename $<)__.eps $@ + @epstopdf $(GS_OPT) $(basename $<)__.eps $@ @rm -f $(basename $<)__.eps -- 2.17.1
