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Makefile
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Makefile
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# Copyright 2014 Google Inc. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
EMOJI = NotoColorEmoji
EMOJI_WINDOWS = NotoColorEmoji_WindowsCompatible
all: $(EMOJI).ttf $(EMOJI_WINDOWS).ttf
CFLAGS = -std=c99 -Wall -Wextra `pkg-config --cflags --libs cairo`
LDFLAGS = -lm `pkg-config --libs cairo`
PNGQUANT = pngquant
PYTHON = python3
PNGQUANTFLAGS = --speed 1 --skip-if-larger --quality 85-95 --force
BODY_DIMENSIONS = 136x128
IMOPS := -size $(BODY_DIMENSIONS) canvas:none -compose copy -gravity center
ZOPFLIPNG = zopflipng
TTX = ttx
EMOJI_BUILDER = third_party/color_emoji/emoji_builder.py
# flag for emoji builder. Default to legacy small metrics for the time being.
SMALL_METRICS := -S
ADD_GLYPHS = add_glyphs.py
ADD_GLYPHS_FLAGS = -a emoji_aliases.txt
PUA_ADDER = map_pua_emoji.py
VS_ADDER = add_vs_cmap.py # from nototools
EMOJI_SRC_DIR ?= png/128
FLAGS_SRC_DIR := third_party/region-flags/png
SEQUENCE_CHECK_PY = check_emoji_sequences.py
BUILD_DIR := build
EMOJI_DIR := $(BUILD_DIR)/emoji
FLAGS_DIR := $(BUILD_DIR)/flags
RESIZED_FLAGS_DIR := $(BUILD_DIR)/resized_flags
RENAMED_FLAGS_DIR := $(BUILD_DIR)/renamed_flags
QUANTIZED_DIR := $(BUILD_DIR)/quantized_pngs
COMPRESSED_DIR := $(BUILD_DIR)/compressed_pngs
# Unknown flag is PUA fe82b
# Note, we omit some flags below that we support via aliasing instead.
LIMITED_FLAGS = CN DE ES FR GB IT JP KR RU US
SELECTED_FLAGS = AC AD AE AF AG AI AL AM AO AQ AR AS AT AU AW AX AZ \
BA BB BD BE BF BG BH BI BJ BL BM BN BO BQ BR BS BT BW BY BZ \
CA CC CD CF CG CH CI CK CL CM CN CO CQ CR CU CV CW CX CY CZ \
DE DJ DK DM DO DZ \
EC EE EG EH ER ES ET EU \
FI FJ FK FM FO FR \
GA GB GD GE GF GG GH GI GL GM GN GP GQ GR GS GT GU GW GY \
HK HN HR HT HU \
IC ID IE IL IM IN IO IQ IR IS IT \
JE JM JO JP \
KE KG KH KI KM KN KP KR KW KY KZ \
LA LB LC LI LK LR LS LT LU LV LY \
MA MC MD ME MG MH MK ML MM MN MO MP MQ MR MS MT MU MV MW MX MY MZ \
NA NC NE NF NG NI NL NO NP NR NU NZ \
OM \
PA PE PF PG PH PK PL PM PN PR PS PT PW PY \
QA \
RE RO RS RU RW \
SA SB SC SD SE SG SH SI SK SL SM SN SO SR SS ST SV SX SY SZ \
TA TC TD TF TG TH TJ TK TL TM TN TO TR TT TV TW TZ \
UA UG UN US UY UZ \
VA VC VE VG VI VN VU \
WF WS \
XK \
YE YT \
ZA ZM ZW \
GB-ENG GB-SCT GB-WLS
ifeq (,$(shell which $(ZOPFLIPNG)))
ifeq (,$(wildcard $(ZOPFLIPNG)))
MISSING_ZOPFLI = fail
endif
endif
ifndef VIRTUAL_ENV
MISSING_VENV = fail
endif
ifeq (, $(shell which $(VS_ADDER)))
MISSING_PY_TOOLS = fail
endif
ifeq (, $(shell which $(TTX)))
MISSING_PY_TOOLS = fail
endif
ALL_FLAGS = $(basename $(notdir $(wildcard $(FLAGS_SRC_DIR)/*.png)))
FLAGS = $(SELECTED_FLAGS)
FLAG_NAMES = $(FLAGS:%=%.png)
FLAG_FILES = $(addprefix $(FLAGS_DIR)/, $(FLAG_NAMES))
RESIZED_FLAG_FILES = $(addprefix $(RESIZED_FLAGS_DIR)/, $(FLAG_NAMES))
ifndef MISSING_PY_TOOLS
FLAG_GLYPH_NAMES = $(shell $(PYTHON) flag_glyph_name.py $(FLAGS))
else
FLAG_GLYPH_NAMES =
endif
RENAMED_FLAG_NAMES = $(FLAG_GLYPH_NAMES:%=emoji_%.png)
RENAMED_FLAG_FILES = $(addprefix $(RENAMED_FLAGS_DIR)/, $(RENAMED_FLAG_NAMES))
EMOJI_NAMES = $(notdir $(wildcard $(EMOJI_SRC_DIR)/emoji_u*.png))
EMOJI_FILES= $(addprefix $(EMOJI_DIR)/,$(EMOJI_NAMES)))
ALL_NAMES = $(EMOJI_NAMES) $(RENAMED_FLAG_NAMES)
ALL_QUANTIZED_FILES = $(addprefix $(QUANTIZED_DIR)/, $(ALL_NAMES))
ALL_COMPRESSED_FILES = $(addprefix $(COMPRESSED_DIR)/, $(ALL_NAMES))
emoji: $(EMOJI_FILES)
flags: $(FLAG_FILES)
resized_flags: $(RESIZED_FLAG_FILES)
renamed_flags: $(RENAMED_FLAG_FILES)
quantized: $(ALL_QUANTIZED_FILES)
compressed: $(ALL_COMPRESSED_FILES)
check_tools:
ifdef MISSING_ZOPFLI
$(error "Missing $(ZOPFLIPNG). Try 'brew install zopfli' (Mac) or 'sudo apt-get install zopfli' (linux)")
endif
ifdef MISSING_VENV
$(error "Please start your virtual environment, and run: "'pip install -r requirements.txt'")
endif
ifdef MISSING_PY_TOOLS
$(error "Missing tools; run: "'pip install -r requirements.txt' in your virtual environment")
endif
$(EMOJI_DIR) $(FLAGS_DIR) $(RESIZED_FLAGS_DIR) $(RENAMED_FLAGS_DIR) $(QUANTIZED_DIR) $(COMPRESSED_DIR):
mkdir -p "$@"
waveflag: waveflag.c
$(CC) $< -o $@ $(CFLAGS) $(LDFLAGS)
# imagemagick's -extent operator munges the grayscale images in such a fashion
# that while it can display them correctly using libpng12, chrome and gimp using
# both libpng12 and libpng16 display the wrong gray levels.
#
# @convert "$<" -gravity center -background none -extent 136x128 "$@"
#
# We can get around the conversion to a gray colorspace in the version of
# imagemagick packaged with ubuntu trusty (6.7.7-10) by using -composite.
$(EMOJI_DIR)/%.png: $(EMOJI_SRC_DIR)/%.png | $(EMOJI_DIR)
@convert $(IMOPS) "$<" -composite "PNG32:$@"
$(FLAGS_DIR)/%.png: $(FLAGS_SRC_DIR)/%.png ./waveflag | $(FLAGS_DIR)
@./waveflag $(FLAGS_DIR)/ "$<"
$(RESIZED_FLAGS_DIR)/%.png: $(FLAGS_DIR)/%.png | $(RESIZED_FLAGS_DIR)
@convert $(IMOPS) "$<" -composite "PNG32:$@"
flag-symlinks: $(RESIZED_FLAG_FILES) | $(RENAMED_FLAGS_DIR)
@$(subst ^, , \
$(join \
$(FLAGS:%=ln^-fs^../resized_flags/%.png^), \
$(RENAMED_FLAG_FILES:%=%; ) \
) \
)
$(RENAMED_FLAG_FILES): | flag-symlinks
$(QUANTIZED_DIR)/%.png: $(RENAMED_FLAGS_DIR)/%.png | $(QUANTIZED_DIR)
@($(PNGQUANT) $(PNGQUANTFLAGS) -o "$@" "$<"; case "$$?" in "98"|"99") echo "reuse $<"; cp $< $@;; *) exit "$$?";; esac)
$(QUANTIZED_DIR)/%.png: $(EMOJI_DIR)/%.png | $(QUANTIZED_DIR)
@($(PNGQUANT) $(PNGQUANTFLAGS) -o "$@" "$<"; case "$$?" in "98"|"99") echo "reuse $<";cp $< $@;; *) exit "$$?";; esac)
$(COMPRESSED_DIR)/%.png: $(QUANTIZED_DIR)/%.png | check_tools $(COMPRESSED_DIR)
@$(ZOPFLIPNG) -y "$<" "$@" 1> /dev/null 2>&1
# Make 3.81 can endless loop here if the target is missing but no
# prerequisite is updated and make has been invoked with -j, e.g.:
# File `font' does not exist.
# File `NotoColorEmoji.tmpl.ttx' does not exist.
# File `font' does not exist.
# File `NotoColorEmoji.tmpl.ttx' does not exist.
# ...
# Run make without -j if this happens.
$(EMOJI).tmpl.ttx: $(EMOJI).tmpl.ttx.tmpl $(ADD_GLYPHS) $(ALL_COMPRESSED_FILES)
$(PYTHON) $(ADD_GLYPHS) -f "$<" -o "$@" -d "$(COMPRESSED_DIR)" $(ADD_GLYPHS_FLAGS)
$(EMOJI_WINDOWS).tmpl.ttx: $(EMOJI).tmpl.ttx.tmpl $(ADD_GLYPHS) $(ALL_COMPRESSED_FILES)
$(PYTHON) $(ADD_GLYPHS) --add_cmap4 --add_glyf -f "$<" -o "$@" -d "$(COMPRESSED_DIR)" $(ADD_GLYPHS_FLAGS)
%.ttf: %.ttx
@rm -f "$@"
ttx "$<"
$(EMOJI).ttf: check_sequence $(EMOJI).tmpl.ttf $(EMOJI_BUILDER) $(PUA_ADDER) \
$(ALL_COMPRESSED_FILES) | check_tools
@$(PYTHON) $(EMOJI_BUILDER) $(SMALL_METRICS) -V $(word 2,$^) "$@" "$(COMPRESSED_DIR)/emoji_u"
@$(PYTHON) $(PUA_ADDER) "$@" "$@-with-pua"
@$(VS_ADDER) -vs 2640 2642 2695 --dstdir '.' -o "$@-with-pua-varsel" "$@-with-pua"
@mv "$@-with-pua-varsel" "$@"
@rm "$@-with-pua"
$(EMOJI_WINDOWS).ttf: check_sequence $(EMOJI_WINDOWS).tmpl.ttf $(EMOJI_BUILDER) $(PUA_ADDER) \
$(ALL_COMPRESSED_FILES) | check_tools
@$(PYTHON) $(EMOJI_BUILDER) -O $(SMALL_METRICS) -V $(word 2,$^) "$@" "$(COMPRESSED_DIR)/emoji_u"
@$(PYTHON) $(PUA_ADDER) "$@" "$@-with-pua"
@$(VS_ADDER) -vs 2640 2642 2695 --dstdir '.' -o "$@-with-pua-varsel" "$@-with-pua"
@mv "$@-with-pua-varsel" "$@"
@rm "$@-with-pua"
check_sequence:
ifdef BYPASS_SEQUENCE_CHECK
@echo Bypassing the emoji sequence checks
else
@$(PYTHON) $(SEQUENCE_CHECK_PY) -n $(ALL_NAMES) -c
endif
clean:
rm -f $(EMOJI).ttf $(EMOJI_WINDOWS).ttf $(EMOJI).tmpl.ttf $(EMOJI_WINDOWS).tmpl.ttf $(EMOJI).tmpl.ttx $(EMOJI_WINDOWS).tmpl.ttx
rm -f waveflag
rm -rf $(BUILD_DIR)
# This prints the value of a Makefile variable: e.g. `make print-SELECTED_FLAGS`
# will print the content of SELECTED_FLAGS.
# Source: https://apprize.best/linux/gnu/3.html
print-%: ; @echo $* = $($*)
.SECONDARY: $(EMOJI_FILES) $(FLAG_FILES) $(RESIZED_FLAG_FILES) $(RENAMED_FLAG_FILES) \
$(ALL_QUANTIZED_FILES) $(ALL_COMPRESSED_FILES)
.PHONY: clean flags emoji renamed_flags quantized compressed check_tools