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Message: [QUOTE="Peter Szymanski, post: 529924"] Hi there, I am trying to get acquired images into a java application for analysis from a 2000x1500 pixel 12 bit camera. I am currently copying from the camera framebuffer into malloc memory in a JNI compiled dll. At the moment <c file> JNIEXPORT jobject JNICALL Java_CameraEpixJNI_doNativeMapBuffer (JNIEnv *env, jobject obj, jint cardNum, jint bufNum){ ... pxd_readuchar(1, 1, x1, y1, x2, y2, membuf, (long)capacity,"Grey");//library function to copy pixels into membuffer(membuffer malloced earlier) return (*env)->NewDirectByteBuffer(env, membuf, capacity); .... } </c> currently in java, whenever the application needs the BufferedImage, I use the 'bulk get' ByteBuffer.get(byte[] into, offset, length) method, where the into[] array has been used to create the member BufferedImage variable in the constructor of the camera class. My question is, is it possible to wrap a BufferedImage directly around the DirectByteBuffer, where if the dll is called to change the buffer in native code, will the BufferedImage reflect the change? Is there a better way? Thanks in advance, Peter [/QUOTE]