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      1 # Copyright (C) 2011 The Android Open Source Project
      2 #
      3 # Licensed under the Apache License, Version 2.0 (the "License");
      4 # you may not use this file except in compliance with the License.
      5 # You may obtain a copy of the License at
      6 #
      7 #      http://www.apache.org/licenses/LICENSE-2.0
      8 #
      9 # Unless required by applicable law or agreed to in writing, software
     10 # distributed under the License is distributed on an "AS IS" BASIS,
     11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     12 # See the License for the specific language governing permissions and
     13 # limitations under the License.
     14 
     15 # We have to use BUILD_PREBUILT instead of PRODUCT_COPY_FIES,
     16 # because SMALLER_FONT_FOOTPRINT is only available in Android.mks.
     17 
     18 LOCAL_PATH := $(call my-dir)
     19 
     20 ##########################################
     21 # create symlink for given font
     22 # $(1): new font $(2): link target
     23 # should be used with eval: $(eval $(call ...))
     24 define create-font-symlink
     25 $(PRODUCT_OUT)/system/fonts/$(1) : $(PRODUCT_OUT)/system/fonts/$(2)
     26 	@echo "Symlink: $$@ -> $$<"
     27 	@mkdir -p $$(dir $$@)
     28 	@rm -rf $$@
     29 	$(hide) ln -sf $$(notdir $$<) $$@
     30 # this magic makes LOCAL_REQUIRED_MODULES work
     31 ALL_MODULES.$(1).INSTALLED := \
     32     $(ALL_MODULES.$(1).INSTALLED) $(PRODUCT_OUT)/system/fonts/$(1)
     33 endef
     34 
     35 ##########################################
     36 # The following fonts are just symlinks, for backward compatibility.
     37 ##########################################
     38 $(eval $(call create-font-symlink,DroidSans.ttf,Roboto-Regular.ttf))
     39 $(eval $(call create-font-symlink,DroidSans-Bold.ttf,Roboto-Bold.ttf))
     40 $(eval $(call create-font-symlink,DroidSerif-Regular.ttf,NotoSerif-Regular.ttf))
     41 $(eval $(call create-font-symlink,DroidSerif-Bold.ttf,NotoSerif-Bold.ttf))
     42 $(eval $(call create-font-symlink,DroidSerif-Italic.ttf,NotoSerif-Italic.ttf))
     43 $(eval $(call create-font-symlink,DroidSerif-BoldItalic.ttf,NotoSerif-BoldItalic.ttf))
     44 
     45 extra_font_files := \
     46     DroidSans.ttf \
     47     DroidSans-Bold.ttf
     48 
     49 ################################
     50 # Use DroidSansMono to hang extra_font_files on
     51 include $(CLEAR_VARS)
     52 LOCAL_MODULE := DroidSansMono.ttf
     53 LOCAL_SRC_FILES := $(LOCAL_MODULE)
     54 LOCAL_MODULE_CLASS := ETC
     55 LOCAL_MODULE_TAGS := optional
     56 LOCAL_MODULE_PATH := $(TARGET_OUT)/fonts
     57 LOCAL_REQUIRED_MODULES := $(extra_font_files)
     58 include $(BUILD_PREBUILT)
     59 extra_font_files :=
     60 
     61 ################################
     62 # Include the DroidSansFallback subset on SMALLER_FONT_FOOTPRINT build
     63 ifeq ($(SMALLER_FONT_FOOTPRINT),true)
     64 
     65 include $(CLEAR_VARS)
     66 LOCAL_MODULE := DroidSansFallback.ttf
     67 LOCAL_SRC_FILES := $(LOCAL_MODULE)
     68 LOCAL_MODULE_CLASS := ETC
     69 LOCAL_MODULE_TAGS := optional
     70 LOCAL_MODULE_PATH := $(TARGET_OUT)/fonts
     71 include $(BUILD_PREBUILT)
     72 droidsans_fallback_src :=
     73 
     74 endif  # SMALLER_FONT_FOOTPRINT
     75 
     76 ################################
     77 # Build the rest of font files as prebuilt.
     78 
     79 # $(1): The source file name in LOCAL_PATH.
     80 #       It also serves as the module name and the dest file name.
     81 define build-one-font-module
     82 $(eval include $(CLEAR_VARS))\
     83 $(eval LOCAL_MODULE := $(1))\
     84 $(eval LOCAL_SRC_FILES := $(1))\
     85 $(eval LOCAL_MODULE_CLASS := ETC)\
     86 $(eval LOCAL_MODULE_TAGS := optional)\
     87 $(eval LOCAL_MODULE_PATH := $(TARGET_OUT)/fonts)\
     88 $(eval include $(BUILD_PREBUILT))
     89 endef
     90 
     91 font_src_files := \
     92     AndroidClock.ttf
     93 
     94 $(foreach f, $(font_src_files), $(call build-one-font-module, $(f)))
     95 
     96 build-one-font-module :=
     97 font_src_files :=
     98 
     99 
    100 # Run sanity tests on fonts on checkbuild
    101 checkbuild: fontchain_lint
    102 
    103 FONTCHAIN_LINTER := frameworks/base/tools/fonts/fontchain_lint.py
    104 ifeq ($(SMALLER_FONT_FOOTPRINT),true)
    105 CHECK_EMOJI := false
    106 else
    107 CHECK_EMOJI := true
    108 endif
    109 
    110 .PHONY: fontchain_lint
    111 fontchain_lint: $(FONTCHAIN_LINTER) $(TARGET_OUT)/etc/fonts.xml $(PRODUCT_OUT)/system.img
    112 	PYTHONPATH=$$PYTHONPATH:external/fonttools/Lib \
    113 	python $(FONTCHAIN_LINTER) $(TARGET_OUT) $(CHECK_EMOJI) external/unicode
    114