vendor: lineage boot animation

Change-Id: Iff2087eb97aee5e586eecf3898f0066d99bc885c
diff --git a/bootanimation/generate-bootanimation.sh b/bootanimation/generate-bootanimation.sh
index b5d8f19..5a30c39 100755
--- a/bootanimation/generate-bootanimation.sh
+++ b/bootanimation/generate-bootanimation.sh
@@ -6,18 +6,21 @@
 OUT="$ANDROID_PRODUCT_OUT/obj/BOOTANIMATION"
 
 if [ "$HEIGHT" -lt "$WIDTH" ]; then
-    SIZE="$HEIGHT"
+    IMAGEWIDTH="$HEIGHT"
 else
-    SIZE="$WIDTH"
+    IMAGEWIDTH="$WIDTH"
 fi
 
+IMAGESCALEWIDTH="$IMAGEWIDTH"
+IMAGESCALEHEIGHT=$(expr $IMAGESCALEWIDTH / 3)
+
 if [ "$HALF_RES" = "true" ]; then
-    IMAGESIZE=$(expr $SIZE / 2)
-else
-    IMAGESIZE="$SIZE"
+    IMAGEWIDTH=$(expr $IMAGEWIDTH / 2)
 fi
 
-RESOLUTION=""$IMAGESIZE"x"$IMAGESIZE""
+IMAGEHEIGHT=$(expr $IMAGEWIDTH / 3)
+
+RESOLUTION=""$IMAGEWIDTH"x"$IMAGEHEIGHT""
 
 for part_cnt in 0 1 2
 do
@@ -26,7 +29,7 @@
 tar xfp "vendor/cm/bootanimation/bootanimation.tar" --to-command="convert - -resize '$RESOLUTION' \"png8:$OUT/bootanimation/\$TAR_FILENAME\""
 
 # Create desc.txt
-echo "$SIZE" "$SIZE" 30 > "$OUT/bootanimation/desc.txt"
+echo "$IMAGESCALEWIDTH $IMAGESCALEHEIGHT" 30 > "$OUT/bootanimation/desc.txt"
 cat "vendor/cm/bootanimation/desc.txt" >> "$OUT/bootanimation/desc.txt"
 
 # Create bootanimation.zip