public PImage getImpl(int x, int y, int w, int h) {
PImage output = new PImage(w, h);
output.parent = parent;
// oops, the last parameter is the scan size of the *target* buffer
// ((BufferedImage) image).getRGB(x, y, w, h, output.pixels, 0, w);
WritableRaster raster = ((BufferedImage) (primarySurface ? offscreen : image)).getRaster();
raster.getDataElements(x, y, w, h, output.pixels);
return output;
}
