@Override
public DirtyRegionContainer getDirtyRegions(Effect defaultInput, DirtyRegionPool regionPool) {
Effect di = getDefaultedInput(0, defaultInput);
DirtyRegionContainer drc = di.getDirtyRegions(defaultInput, regionPool);
drc.grow(state.getHPad(), state.getVPad());
return drc;
}
@Override
public BaseBounds getBounds(BaseTransform transform, Effect defaultInput) {
BaseBounds r = super.getBounds(null, defaultInput);
int hpad = state.getHPad();
int vpad = state.getVPad();
BaseBounds ret = new RectBounds(r.getMinX(), r.getMinY(), r.getMaxX(), r.getMaxY());
((RectBounds) ret).grow(hpad, vpad);
return transformBounds(transform, ret);
}
@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;
}