Building: ========= JNI SWIG bindings: ------------------ $ gcc -shared -fPIC -fno-strict-aliasing -O2 \ -I/path/to/your/jdk/includes \ libwebp_java_wrap.c \ -lwebp \ -o libwebp_jni.so -------------------------------------- BEGIN PSEUDO EXAMPLE import com.google.webp.*; import java.io.*; public class libwebp_jni_example { static { System.loadLibrary("webp_jni"); } /** * usage: java -cp libwebp.jar:. * libwebp_jni_example <input.webp> <output.ppm> */ public static void main(String argv[]) { final int version = libwebp.WebPGetDecoderVersion(); System.out.println("libwebp version: " + Integer.toHexString(version)); } } -------------------------------------- END PSEUDO EXAMPLE $ javac -cp libwebp.jar libwebp_jni_example.java $ java -Djava.library.path=. -cp libwebp.jar:. libwebp_jni_example