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# Makefile to create all versions of the Twitter Color Emoji SVGinOT font
# Run with: make -j [NUMBER_OF_CPUS]
# Use Linux Shared Memory to avoid wasted disk writes. Use /tmp to disable.
TMP := /dev/shm
#TMP := /tmp
# Where to find scfbuild?
SCFBUILD := SCFBuild/bin/scfbuild
VERSION := 15.1.0
FONT_PREFIX := TwitterColorEmoji-SVGinOT
REGULAR_FONT := build/$(FONT_PREFIX).ttf
REGULAR_PACKAGE := build/$(FONT_PREFIX)-$(VERSION)
MACOS_FONT := build/$(FONT_PREFIX)-MacOS.ttf
MACOS_PACKAGE := build/$(FONT_PREFIX)-MacOS-$(VERSION)
LINUX_PACKAGE := $(FONT_PREFIX)-Linux-$(VERSION)
DEB_PACKAGE := fonts-twemoji-svginot
WINDOWS_TOOLS := windows
WINDOWS_PACKAGE := build/$(FONT_PREFIX)-Win-$(VERSION)
ifeq (, $(shell which inkscape))
$(error "No inkscape in PATH, it is required for fallback b/w variant.")
endif
ifeq (0, $(shell inkscape --export-png 1>&2 2> /dev/null; echo $$?))
# Inkscape < 1.0
INKSCAPE_EXPORT_FLAGS := --without-gui --export-png
else
# Inkscape ≥ 1.0
INKSCAPE_EXPORT_FLAGS := --export-filename
endif
# There are two SVG source directories to keep the assets separate
# from the additions
SVG_TWEMOJI := assets/twemoji-svg
# Currently empty
SVG_EXTRA := assets/svg
# B&W only glyphs which will not be processed.
SVG_EXTRA_BW := assets/svg-bw
# Create the lists of traced and color SVGs
SVG_FILES := $(wildcard $(SVG_TWEMOJI)/*.svg) $(wildcard $(SVG_EXTRA)/*.svg)
SVG_STAGE_FILES := $(patsubst $(SVG_TWEMOJI)/%.svg, build/stage/%.svg, $(SVG_FILES))
SVG_STAGE_FILES := $(patsubst $(SVG_EXTRA)/%.svg, build/stage/%.svg, $(SVG_STAGE_FILES))
SVG_BW_FILES := $(patsubst build/stage/%.svg, build/svg-bw/%.svg, $(SVG_STAGE_FILES))
SVG_COLOR_FILES := $(patsubst build/stage/%.svg, build/svg-color/%.svg, $(SVG_STAGE_FILES))
CPU_CORES := $(shell cat /proc/cpuinfo | grep processor | wc -l)
.PHONY: all update package regular-package linux-package macos-package windows-package copy-extra clean
all: package
# Run the build concurrently against all available cores
fast:
make -j $(CPU_CORES)
update:
cp ../twemoji/assets/svg/* assets/twemoji-svg/
# Create the operating system specific packages
package: regular-package linux-package deb-package macos-package windows-package
regular-package: $(REGULAR_FONT)
rm -f $(REGULAR_PACKAGE).zip
rm -rf $(REGULAR_PACKAGE)
mkdir $(REGULAR_PACKAGE)
cp $(REGULAR_FONT) $(REGULAR_PACKAGE)
cp LICENSE* $(REGULAR_PACKAGE)
cp README.md $(REGULAR_PACKAGE)
7z a -tzip -mx=9 $(REGULAR_PACKAGE).zip ./$(REGULAR_PACKAGE)
linux-package: $(REGULAR_FONT)
rm -f build/$(LINUX_PACKAGE).tar.gz
rm -rf build/$(LINUX_PACKAGE)
mkdir build/$(LINUX_PACKAGE)
cp $(REGULAR_FONT) build/$(LINUX_PACKAGE)
cp LICENSE* build/$(LINUX_PACKAGE)
cp README.md build/$(LINUX_PACKAGE)
cp -R linux/* build/$(LINUX_PACKAGE)
tar zcvf build/$(LINUX_PACKAGE).tar.gz -C build $(LINUX_PACKAGE)
deb-package: linux-package
rm -rf build/$(DEB_PACKAGE)-$(VERSION)
cp build/$(LINUX_PACKAGE).tar.gz build/$(DEB_PACKAGE)_$(VERSION).orig.tar.gz
cp -R build/$(LINUX_PACKAGE) build/$(DEB_PACKAGE)-$(VERSION)
cd build/$(DEB_PACKAGE)-$(VERSION); debuild -us -uc
# cd build/$(DEB_PACKAGE)-$(VERSION); debuild -S
# cd build dput ppa:eosrei/fonts $(DEB_PACKAGE)_$(VERSION)_source.changes
macos-package: $(MACOS_FONT)
rm -f $(MACOS_PACKAGE).zip
rm -rf $(MACOS_PACKAGE)
mkdir $(MACOS_PACKAGE)
cp $(MACOS_FONT) $(MACOS_PACKAGE)
cp LICENSE* $(MACOS_PACKAGE)
cp README.md $(MACOS_PACKAGE)
7z a -tzip -mx=9 $(MACOS_PACKAGE).zip ./$(MACOS_PACKAGE)
windows-package: $(REGULAR_FONT)
rm -f $(WINDOWS_PACKAGE).zip
rm -rf $(WINDOWS_PACKAGE)
mkdir $(WINDOWS_PACKAGE)
cp $(REGULAR_FONT) $(WINDOWS_PACKAGE)
cp LICENSE* $(WINDOWS_PACKAGE)
cp README.md $(WINDOWS_PACKAGE)
cp $(WINDOWS_TOOLS)/* $(WINDOWS_PACKAGE)
7z a -tzip -mx=9 $(WINDOWS_PACKAGE).zip ./$(WINDOWS_PACKAGE)
# Build both versions of the fonts
$(REGULAR_FONT): $(SVG_BW_FILES) $(SVG_COLOR_FILES) copy-extra
$(SCFBUILD) -c scfbuild.yml -o $(REGULAR_FONT) --font-version="$(VERSION)"
$(MACOS_FONT): $(SVG_BW_FILES) $(SVG_COLOR_FILES) copy-extra
$(SCFBUILD) -c scfbuild-macos.yml -o $(MACOS_FONT) --font-version="$(VERSION)"
copy-extra: build/svg-bw
cp $(SVG_EXTRA_BW)/* build/svg-bw/
# Create black SVG traces of the color SVGs to use as glyphs.
# 1. Make the Twemoji SVG into a PNG with Inkscape
# 2. Make the PNG into a BMP with ImageMagick and add margin by increasing the
# canvas size to allow the outer "stroke" to fit.
# 3. Make the BMP into a Edge Detected PGM with mkbitmap
# 4. Make the PGM into a black SVG trace with potrace
build/svg-bw/%.svg: build/staging/%.svg | build/svg-bw
inkscape -w 1000 -h 1000 $(INKSCAPE_EXPORT_FLAGS) $(TMP)/$(*F).png $<
convert $(TMP)/$(*F).png -gravity center -extent 1066x1066 $(TMP)/$(*F).bmp
rm $(TMP)/$(*F).png
mkbitmap -g -s 1 -f 10 -o $(TMP)/$(*F).pgm $(TMP)/$(*F).bmp
rm $(TMP)/$(*F).bmp
potrace --flat -s --height 2048pt --width 2048pt -o $@ $(TMP)/$(*F).pgm
rm $(TMP)/$(*F).pgm
# Optimize/clean the color SVG files
build/svg-color/%.svg: build/staging/%.svg | build/svg-color
svgo -i $< -o $@
# Copy the files from multiple directories into one source directory
build/staging/%.svg: $(SVG_TWEMOJI)/%.svg | build/staging
cp $< $@
build/staging/%.svg: $(SVG_MORE)/%.svg | build/staging
cp $< $@
# Create the build directories
build:
mkdir build
build/staging: | build
mkdir build/staging
build/svg-bw: | build
mkdir build/svg-bw
build/svg-color: | build
mkdir build/svg-color
clean:
rm -rf build