Merge branch 'main' into 225-ebook-situation

.github/workflows/validate-book-build.yml

@@ -29,4 +29,4 @@ jobs:
           options: -v ${{ github.workspace }}:/app
           run: |
             cd /app/book
-            make -j build_pdf build_serif_ebook
+            make -j build_pdf build_ebook

Dockerfile

@@ -20,6 +20,7 @@ RUN apt-get update && \
     wget \
     ruby3.1 \
     ruby-dev \
+    imagemagick \
     build-essential
 
 WORKDIR /root
@@ -31,9 +32,4 @@ COPY website/Gemfile /root
 COPY website/.ruby-version /root
 RUN bundle install
 
-# Install support to build amazon kindle books
-RUN wget https://archive.org/download/kindlegen_linux_2_6_i386_v2_9/kindlegen_linux_2.6_i386_v2_9.tar.gz && \
-    tar xzf kindlegen_linux_2.6_i386_v2_9.tar.gz && \
-    mv kindlegen /usr/bin
-
 CMD ["/bin/bash"]

README.md

@@ -32,7 +32,8 @@ make
 
 Then you can check out the file `book/book.pdf`
 
-If you want to 🍞 bake all the versions including ebook formats (.pdf, .epub, .mobi, .azw3) run:
+If you want to 🍞 bake all the versions including ebook variants (.pdf, .epub
+in colour or size optimized Black&White), run:
 
 ```console
 make bake
@@ -50,7 +51,8 @@ cd book/
 make
 ```
 
-If you want to 🍞 bake all the versions including ebook formats (.pdf, .epub, .mobi, .azw3) run:
+If you want to 🍞 bake all the versions including ebook variants (.pdf, .epub
+in colour or size optimized Black&White), run:
 
 ```console
 cd book/

book/makefile

@@ -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; \
@@ -36,8 +41,12 @@ images += $(wildcard images/*.jpg)
 images += $(wildcard images/*.png)
 images += $(wildcard images/*/*.png)
 images += $(foreach directory, $(chapters), $(wildcard $(directory)/*.jpg))
+images += $(foreach directory, $(chapters), $(wildcard $(directory)/*/*.jpg))
 images += $(foreach directory, $(chapters), $(wildcard $(directory)/*.png))
+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 +87,32 @@ 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
+bw-book-epub:
-	mkdir -p bw-book-epub/
+	mkdir -p bw-book-epub
-	rsync -au --exclude "book.epub" book-epub/ bw-book-epub/
 
-convert_ebook_images: copy_ebook_files
+copy_ebook_files: build_ebook | bw-book-epub
-	mogrify -resize '800x800>' \
+	$(RSYNC) book-epub/ bw-book-epub/
-	    tstrip -interlace Plane  -gaussian-blur 0.05 -quality 85\% \
-	    -set colorspace Gray -separate -evaluate-sequence Mean $(bw_images)
 
-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
@@ -166,9 +182,9 @@ build_serif_pdf: book_serif/book.pdf
 
 build_sans_serif_pdf: book_sans_serif/book_sans_serif.pdf
 
-build_ebook: epub/book.epub | make_release_dir
+build_ebook: epub/book.epub
 
-build_bw_ebook: epub/bw_book.epub | make_release_dir
+build_bw_ebook: epub/bw_book.epub
 
 .PHONY: export_figures check
 # Requires that you have docker running on your computer.
@@ -229,18 +245,19 @@ mrproper: clean
 	-rm -rf $(website_dir)
 
 # top level releases rules
-.PHONY: bake make_release_dir release_serif release_sans_serif
+.PHONY: bake release_serif release_sans_serif
 
 bake: release_serif release_sans_serif
 
-make_release_dir:
+release:
 	mkdir -p release
 
-release_serif: build_serif_pdf build_ebook build_bw_ebook | make_release_dir
+release_serif: build_serif_pdf build_ebook build_bw_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
 
-release_sans_serif: build_sans_serif_pdf | make_release_dir
+release_sans_serif: build_sans_serif_pdf | release
 	cp book_sans_serif/book_sans_serif.pdf  release/TheBreadCode-The-Sourdough-Framework-sans-serif.pdf
 
 # Website stuff
@@ -297,6 +314,10 @@ 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

book/tables/table-storing-bread-overview.tex

@@ -1,6 +1,8 @@
-\begin{tabular}{@{}>{\bfseries}p{0.3\textwidth}p{0.3\textwidth}p{0.3\textwidth}@{}}
+\def\arraystretch{1.6}
+\begin{tabular}{@{}p{0.23\textwidth}p{0.33\textwidth}p{0.33\textwidth}@{}}
 \toprule
-\thead{Method}     & \thead{Advantages}            & \thead{Disadvantages}       \\ \midrule
+\textbf{Method}     & \textbf{Advantages}            & \textbf{Disadvantages}       \\
+\midrule
 Room temperature              & The easiest option. Best for bread that is eaten within a day.
                                 Crust typically stays crisp when humidity not too high.
                               & Bread dries out very quickly.\\
@@ -13,6 +15,5 @@ Fridge                        & Bread stays good for weeks. Can dry out a little
 
 Freezer                       & Bread stays good for years.
                               & Requires thawing and then toasting. Requires freezer and energy.\\
-
 \bottomrule
 \end{tabular}

makefile

@@ -22,7 +22,7 @@ website: mrproper
 
 .PHONY: validate
 validate: mrproper
-	docker run -it -v $(PWD):/opt/repo $(DOCKER_IMAGE) /bin/bash -c "cd /opt/repo/book && make -j build_pdf build_serif_ebook"
+	docker run -it -v $(PWD):/opt/repo $(DOCKER_IMAGE) /bin/bash -c "cd /opt/repo/book && make -j build_pdf build_ebook"
 
 .PHONY: mrproper
 mrproper: