cm: Rework boot animation generation

Keep the largest bootanimation extracted
and resize it at build-time.

Change-Id: Iee32f18440ff955d13ed85b273e97cbd540721fc

bootanimation/Android.mk

@@ -0,0 +1,52 @@
+#
+# Copyright (C) 2016 The CyanogenMod Project
+#
+# 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.
+#
+
+define build-bootanimation
+    sh vendor/cm/bootanimation/generate-bootanimation.sh \
+    $(TARGET_SCREEN_WIDTH) \
+    $(TARGET_SCREEN_HEIGHT) \
+    $(TARGET_BOOTANIMATION_HALF_RES)
+endef
+
+TARGET_GENERATED_BOOTANIMATION := $(TARGET_OUT_INTERMEDIATES)/BOOTANIMATION/bootanimation.zip
+$(TARGET_GENERATED_BOOTANIMATION):
+	@echo "Building bootanimation"
+	$(build-bootanimation)
+
+ifeq ($(TARGET_BOOTANIMATION),)
+    TARGET_BOOTANIMATION := $(TARGET_GENERATED_BOOTANIMATION)
+    ifeq ($(shell command -v convert),)
+        $(info **********************************************)
+        $(info The boot animation could not be generated as)
+        $(info ImageMagick is not installed in your system.)
+        $(info $(space))
+        $(info Please install ImageMagick from this website:)
+        $(info https://imagemagick.org/script/binary-releases.php)
+        $(info **********************************************)
+        $(error stop)
+    endif
+endif
+
+include $(CLEAR_VARS)
+LOCAL_MODULE := bootanimation.zip
+LOCAL_MODULE_CLASS := ETC
+LOCAL_MODULE_PATH := $(TARGET_OUT)/media
+
+include $(BUILD_SYSTEM)/base_rules.mk
+
+$(LOCAL_BUILT_MODULE): $(TARGET_BOOTANIMATION)
+	@mkdir -p $(dir $@)
+	@cp $(TARGET_BOOTANIMATION) $@

bootanimation/desc.txt

@@ -0,0 +1,3 @@
+c 1 0 part0
+c 0 0 part1
+c 1 0 part2

bootanimation/generate-bootanimation.sh

@@ -0,0 +1,32 @@
+#!/bin/bash
+
+WIDTH="$1"
+HEIGHT="$2"
+HALF_RES="$3"
+OUT="$ANDROID_PRODUCT_OUT/obj/BOOTANIMATION"
+
+if [ "$HEIGHT" -lt "$WIDTH" ]; then
+    SIZE="$HEIGHT"
+else
+    SIZE="$WIDTH"
+fi
+
+if [ "$HALF_RES" = "true" ]; then
+    IMAGESIZE=$(expr $SIZE / 2)
+else
+    IMAGESIZE="$SIZE"
+fi
+
+RESOLUTION=""$IMAGESIZE"x"$IMAGESIZE""
+
+mkdir -p $ANDROID_PRODUCT_OUT/obj/BOOTANIMATION/bootanimation/part{0..2}
+tar xfp "vendor/cm/bootanimation/bootanimation.tar" --to-command="convert - -resize '$RESOLUTION' \"png8:$OUT/bootanimation/\$TAR_FILENAME\""
+
+# Create desc.txt
+echo "$SIZE" "$SIZE" 30 > "$OUT/bootanimation/desc.txt"
+cat "vendor/cm/bootanimation/desc.txt" >> "$OUT/bootanimation/desc.txt"
+
+# Create bootanimation.zip
+cd "$OUT/bootanimation"
+
+zip -qr0 "$OUT/bootanimation.zip" .

config/common.mk

@@ -1,37 +1,5 @@
 PRODUCT_BRAND ?= cyanogenmod
 
-ifneq ($(TARGET_SCREEN_WIDTH) $(TARGET_SCREEN_HEIGHT),$(space))
-# determine the smaller dimension
-TARGET_BOOTANIMATION_SIZE := $(shell \
-  if [ "$(TARGET_SCREEN_WIDTH)" -lt "$(TARGET_SCREEN_HEIGHT)" ]; then \
-    echo $(TARGET_SCREEN_WIDTH); \
-  else \
-    echo $(TARGET_SCREEN_HEIGHT); \
-  fi )
-
-# get a sorted list of the sizes
-bootanimation_sizes := $(subst .zip,,$(shell ls -1 vendor/cm/prebuilt/common/bootanimation | sort -rn))
-
-# find the appropriate size and set
-define check_and_set_bootanimation
-$(eval TARGET_BOOTANIMATION_NAME := $(shell \
-  if [ -z "$(TARGET_BOOTANIMATION_NAME)" ]; then \
-    if [ "$(1)" -le "$(TARGET_BOOTANIMATION_SIZE)" ]; then \
-      echo $(1); \
-      exit 0; \
-    fi;
-  fi;
-  echo $(TARGET_BOOTANIMATION_NAME); ))
-endef
-$(foreach size,$(bootanimation_sizes), $(call check_and_set_bootanimation,$(size)))
-
-ifeq ($(TARGET_BOOTANIMATION_HALF_RES),true)
-PRODUCT_BOOTANIMATION := vendor/cm/prebuilt/common/bootanimation/halfres/$(TARGET_BOOTANIMATION_NAME).zip
-else
-PRODUCT_BOOTANIMATION := vendor/cm/prebuilt/common/bootanimation/$(TARGET_BOOTANIMATION_NAME).zip
-endif
-endif
-
 PRODUCT_BUILD_PROP_OVERRIDES += BUILD_UTC_DATE=0
 
 ifeq ($(PRODUCT_GMS_CLIENTID_BASE),)

config/common_full_phone.mk

@@ -8,9 +8,4 @@ PRODUCT_PACKAGES += \
 # Include CM LatinIME dictionaries
 PRODUCT_PACKAGE_OVERLAYS += vendor/cm/overlay/dictionaries
 
-ifeq ($(TARGET_SCREEN_WIDTH) $(TARGET_SCREEN_HEIGHT),$(space))
-    PRODUCT_COPY_FILES += \
-        vendor/cm/prebuilt/common/bootanimation/480.zip:system/media/bootanimation.zip
-endif
-
 $(call inherit-product, vendor/cm/config/telephony.mk)

config/common_full_tablet_wifionly.mk

@@ -7,8 +7,3 @@ PRODUCT_PACKAGES += \
 
 # Include CM LatinIME dictionaries
 PRODUCT_PACKAGE_OVERLAYS += vendor/cm/overlay/dictionaries
-
-ifeq ($(TARGET_SCREEN_WIDTH) $(TARGET_SCREEN_HEIGHT),$(space))
-    PRODUCT_COPY_FILES += \
-        vendor/cm/prebuilt/common/bootanimation/800.zip:system/media/bootanimation.zip
-endif

config/common_full_tv.mk

@@ -1,7 +1,2 @@
 # Inherit common CM stuff
 $(call inherit-product, vendor/cm/config/common_full.mk)
-
-ifeq ($(TARGET_SCREEN_WIDTH) $(TARGET_SCREEN_HEIGHT),$(space))
-    PRODUCT_COPY_FILES += \
-        vendor/cm/prebuilt/common/bootanimation/800.zip:system/media/bootanimation.zip
-endif

config/common_mini_phone.mk

@@ -4,9 +4,4 @@ $(call inherit-product, vendor/cm/config/common_mini.mk)
 PRODUCT_PACKAGES += \
     LatinIME
 
-ifeq ($(TARGET_SCREEN_WIDTH) $(TARGET_SCREEN_HEIGHT),$(space))
-    PRODUCT_COPY_FILES += \
-        vendor/cm/prebuilt/common/bootanimation/320.zip:system/media/bootanimation.zip
-endif
-
 $(call inherit-product, vendor/cm/config/telephony.mk)

config/common_mini_tablet_wifionly.mk

@@ -4,8 +4,3 @@ $(call inherit-product, vendor/cm/config/common_mini.mk)
 # Required CM packages
 PRODUCT_PACKAGES += \
     LatinIME
-
-ifeq ($(TARGET_SCREEN_WIDTH) $(TARGET_SCREEN_HEIGHT),$(space))
-    PRODUCT_COPY_FILES += \
-        vendor/cm/prebuilt/common/bootanimation/800.zip:system/media/bootanimation.zip
-endif

config/common_mini_tv.mk

@@ -1,7 +1,2 @@
 # Inherit common CM stuff
 $(call inherit-product, vendor/cm/config/common_mini.mk)
-
-ifeq ($(TARGET_SCREEN_WIDTH) $(TARGET_SCREEN_HEIGHT),$(space))
-    PRODUCT_COPY_FILES += \
-        vendor/cm/prebuilt/common/bootanimation/800.zip:system/media/bootanimation.zip
-endif

prebuilt/common/bootanimation/halfres/generate-half-res-anims.sh

@@ -1,25 +0,0 @@
-#!/bin/sh
-
-HALF_RES_RESOLUTIONS="240 320 360 480 540 600 720 768 800 1080 1200 1440 1536 1600"
-
-for i in $HALF_RES_RESOLUTIONS; do
-	rm -f $i.zip
-	mkdir $i
-	cd $i
-	if [ -f ../../$(($i/2)).zip ]; then
-		# use the existing scaled images
-		echo "Using existing half-scale images instead of scaling from $i px"
-		unzip ../../$(($i/2)).zip
-		rm -f desc.txt
-		unzip ../../$i.zip desc.txt
-	else
-		unzip ../../$i.zip
-		for j in */*.[pP][nN][gG]; do
-			convert $j -resize 50% tmp.png
-			mv tmp.png $j
-		done
-	fi
-	zip -r0 ../$i.zip .
-	cd ..
-	rm -rf $i
-done