1# SWIG bindings 2 3## Building 4 5### JNI SWIG bindings 6 7```shell 8 $ gcc -shared -fPIC -fno-strict-aliasing -O2 \ 9 -I/path/to/your/jdk/includes \ 10 libwebp_java_wrap.c \ 11 -lwebp \ 12 -o libwebp_jni.so 13``` 14 15Example usage: 16 17```java 18import com.google.webp.libwebp; 19 20import java.lang.reflect.Method; 21 22public class libwebp_jni_example { 23 static { 24 System.loadLibrary("webp_jni"); 25 } 26 27 /** 28 * usage: java -cp libwebp.jar:. libwebp_jni_example 29 */ 30 public static void main(String argv[]) { 31 final int version = libwebp.WebPGetDecoderVersion(); 32 System.out.println("libwebp version: " + Integer.toHexString(version)); 33 34 System.out.println("libwebp methods:"); 35 final Method[] libwebpMethods = libwebp.class.getDeclaredMethods(); 36 for (int i = 0; i < libwebpMethods.length; i++) { 37 System.out.println(libwebpMethods[i]); 38 } 39 } 40} 41``` 42 43```shell 44 $ javac -cp libwebp.jar libwebp_jni_example.java 45 $ java -Djava.library.path=. -cp libwebp.jar:. libwebp_jni_example 46``` 47 48### Python SWIG bindings: 49 50```shell 51 $ python setup.py build_ext 52 $ python setup.py install --prefix=pylocal 53``` 54 55Example usage: 56 57```python 58import glob 59import sys 60sys.path.append(glob.glob('pylocal/lib/python*/site-packages')[0]) 61 62from com.google.webp import libwebp 63print "libwebp decoder version: %x" % libwebp.WebPGetDecoderVersion() 64 65print "libwebp attributes:" 66for attr in dir(libwebp): print attr 67``` 68
