@Override
public Rectangle getResultBounds(
BaseTransform transform, Rectangle outputClip, ImageData... inputDatas) {
Rectangle r = super.getResultBounds(transform, outputClip, inputDatas);
int hpad = state.getHPad();
int vpad = state.getVPad();
Rectangle ret = new Rectangle(r);
ret.grow(hpad, vpad);
return ret;
}
@Override
protected Rectangle getInputClip(int inputIndex, BaseTransform transform, Rectangle outputClip) {
// A blur needs as much "fringe" data from its input as it creates
// around its output so we use the same expansion as is used in the
// result bounds.
if (outputClip != null) {
int hpad = state.getHPad();
int vpad = state.getVPad();
if ((hpad | vpad) != 0) {
outputClip = new Rectangle(outputClip);
outputClip.grow(hpad, vpad);
}
}
return outputClip;
}