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Improve monochrome ebook generation in makefile

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- Each picture is done independently
- Some comments
- Factor out commands
- Add the tools version
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Ced
2023-10-09 17:48:03 +01:00
parent ffccbf8b9f
commit 9d0a43c58a
1 changed files with 27 additions and 9 deletions
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36
book/makefile
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@@ -5,6 +5,11 @@ WEBSITE := make4ht --lua -c website.cfg -a debug -uf html5+tidy+common_domfilter
CLEAN := latexmk -cd -lualatex -c -use-make
CHECK_1 := lacheck
CHECK_2 := chktex
CONVERT_PIC := convert
REDUCE_PIC := -resize '800x800>' \
-strip -interlace Plane -gaussian-blur 0.05 -quality 85\% \
-set colorspace Gray -separate -evaluate-sequence Mean
RSYNC := rsync -au --exclude 'book.epub' --exclude '*.jpg' --exclude '*.png'
# We want bash as shell
SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
@@ -38,6 +43,8 @@ images += $(wildcard images/*/*.png)
images += $(foreach directory, $(chapters), $(wildcard $(directory)/*.jpg))
images += $(foreach directory, $(chapters), $(wildcard $(directory)/*.png))
# Black and White ebook, we will just re-zip directory after converting the
# images to lower resolution and greyscale
bw_images := $(addprefix bw-book-epub/OEBPS/, $(images))
src_all := $(src_tex) $(src_figures) $(src_tables) tex4ebook.cfg book.mk4 $(images)
@@ -78,25 +85,32 @@ book_serif/book.pdf: $(src_all)
book_sans_serif/book_sans_serif.pdf: $(src_all)
$(LATEX) -output-directory=book_sans_serif book_sans_serif.tex
.PHONY: bw_epub copy_ebook_files
epub/%.epub: %.tex $(src_all) cover/cover-page.xbb
$(EBOOK) -f epub $<
copy_ebook_files: build_ebook
mkdir -p bw-book-epub/
rsync -au --exclude "book.epub" book-epub/ bw-book-epub/
bw-book-epub:
mkdir -p bw-book-epub
convert_ebook_images: copy_ebook_files
mogrify -resize '800x800>' \
tstrip -interlace Plane -gaussian-blur 0.05 -quality 85\% \
-set colorspace Gray -separate -evaluate-sequence Mean $(bw_images)
copy_ebook_files: build_ebook | bw-book-epub
$(RSYNC) book-epub/ bw-book-epub/
bw_ebook.zip: convert_ebook_images
# We not convert SVG to B&W or lower res for now as they are super small
# anyway
bw-book-epub/OEBPS/%.jpg: %.jpg
$(CONVERT_PIC) $< $(REDUCE_PIC) $@
bw-book-epub/OEBPS/%.png: %.png
$(CONVERT_PIC) $< $(REDUCE_PIC) $@
bw_ebook.zip: copy_ebook_files $(bw_images)
zip -qXr9D bw_ebook.zip bw-book-epub
epub/bw_book.epub: bw_ebook.zip
mv bw_ebook.zip epub/bw_book.epub
bw_epub: epub/bw_book.epub
bw_epub: epub/bw_book.epub | bw-book-epub
# Now with the rules
# Expected usual rules first
@@ -296,6 +310,10 @@ show_tools_version: # Show version of tools used on the build machine
@echo ""
- ruby --version
@echo ""
- convert --version
@echo ""
- rsync --version
# You can find the value of variable X with the following command:
# make print-X