mchapman/the-sourdough-framework
1
0
Fork 0
mirror of https://github.com/hendricius/the-sourdough-framework synced 2025-11-08 20:21:12 -06:00
Code Issues Actions Packages Projects Releases Wiki Activity

Reduce colour ebook size

Browse Source 
Reduce picture quality as the kindle app on the phone has a 30 MByte limit
This commit is contained in:
Stoneguard001
2024-12-27 09:37:00 -05:00
committed by Cedric
parent b588b55c1a
commit d2d79cd992
2 changed files with 26 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
.gitignore vendored
View File

@@ -41,3 +41,4 @@ book/epub/
book/book-epub/
book/bw-book-epub/*
book/release/*
book/low-res-book-epub/*

27
book/makefile
View File

@@ -9,6 +9,7 @@ CONVERT_PIC := convert
REDUCE_PIC := -resize '800x800>' \
-strip -interlace Plane -gaussian-blur 0.05 -quality 85\% \
-set colorspace Gray -separate -evaluate-sequence Mean
REDUCE_PIC_COLOR := -quality 80\%
RSYNC := rsync -au --exclude 'book.epub' --exclude '*.jpg' --exclude '*.png'
GIT := git --no-pager
SPELL_CHECK := hunspell -t -l -d en_US
@@ -53,6 +54,10 @@ images += $(foreach directory, $(chapters), $(wildcard $(directory)/*/*.png))
# images to lower resolution and greyscale
bw_images := $(addprefix bw-book-epub/OEBPS/, $(images))
# Reduced ebook, we will just re-zip directory after converting the
# images to lower resolution
low_res_images := $(addprefix low-res-book-epub/OEBPS/, $(images))
src_all := $(src_tex) $(src_figures) $(src_tables) $(images)
ebook_src := $(src_all) tex4ebook.cfg book.mk4 book-ebook.css
@@ -101,7 +106,7 @@ 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: copy_ebook_files
.PHONY: copy_ebook_files copy_ebook_files_cl
epub/%.epub: %.tex $(ebook_src) cover/cover-page.xbb
$(EBOOK) $<
@@ -109,6 +114,9 @@ epub/%.epub: %.tex $(ebook_src) cover/cover-page.xbb
copy_ebook_files: build_ebook
$(RSYNC) book-epub/ bw-book-epub/
copy_ebook_files_cl: build_ebook
$(RSYNC) book-epub/ low-res-book-epub/
# We do not convert SVG to B&W or lower res for now as they are super small
# anyway
bw-book-epub/OEBPS/%.jpg: %.jpg
@@ -119,10 +127,22 @@ bw-book-epub/OEBPS/%.png: %.png
mkdir -p $(dir $@)
$(CONVERT_PIC) $< $(REDUCE_PIC) $@
low-res-book-epub/OEBPS/%.jpg: %.jpg
mkdir -p $(dir $@)
$(CONVERT_PIC) $< $(REDUCE_PIC_COLOR) $@
low-res-book-epub/OEBPS/%.png: %.png
mkdir -p $(dir $@)
$(CONVERT_PIC) $< $(REDUCE_PIC_COLOR) $@
epub/bw_book.epub: copy_ebook_files $(bw_images)
cd bw-book-epub; zip -q0X ../epub/bw_book.epub mimetype
cd bw-book-epub; zip -q9XrD ../epub/bw_book.epub ./
epub/low_res_book.epub: copy_ebook_files_cl $(low_res_images)
cd low-res-book-epub; zip -q0X ../epub/low_res_book.epub mimetype
cd low-res-book-epub; zip -q9XrD ../epub/low_res_book.epub ./
# Now with the rules
# Expected usual rules first
.PHONY: all
@@ -200,6 +220,8 @@ build_ebook: epub/book.epub
build_bw_ebook: epub/bw_book.epub
build_low_res_ebook: epub/low_res_book.epub
.PHONY: export_figures check tex-check spell-check
# Requires that you have docker running on your computer.
export_figures: build_pdf $(tgt_figures)
@@ -276,10 +298,11 @@ bake: release_serif release_sans_serif release_booklet
release:
mkdir -p release
release_serif: build_serif_pdf build_ebook build_bw_ebook | release
release_serif: build_serif_pdf build_ebook build_bw_ebook build_low_res_ebook | release
cp book_serif/book.pdf release/TheBreadCode-The-Sourdough-Framework.pdf
cp epub/book.epub release/TheBreadCode-The-Sourdough-Framework.epub
cp epub/bw_book.epub release/TheBreadCode-The-Sourdough-Framework-black-and-white.epub
cp epub/low_res_book.epub release/TheBreadCode-The-Sourdough-Framework-reduced-size.epub
release_sans_serif: build_sans_serif_pdf | release
cp book_sans_serif/book_sans_serif.pdf release/TheBreadCode-The-Sourdough-Framework-sans-serif.pdf