Graphite engine
· Graphite is a system that can be used to create “smart fonts” capable of displaying writing systems with various complex behaviors. A smart font contains not only letter shapes but also additional instructions indicating how to combine and position the letters in complex ways.
Download JD-GUI to open JAR file and explore Java source code file (.class .java)
Click menu "File → Open File..." or just drag-and-drop the JAR file in the JD-GUI window graphite2-ndk25-shared-1.3.14-beta-1.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.