try{
OutputStream os = new FileOutputStream(imageFile);
JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(os);
JPEGEncodeParam param = encoder.getDefaultJPEGEncodeParam(buf);
param.setQuality(1, false);
encoder.encode(buf, param);
os.flush();
os.close();
} catch(IOException e) {
throw new SVGGraphics2DIOException(ERR_WRITE+imageFile.getName());
}