@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;
}
@Override
public boolean reducesOpaquePixels() {
if (!state.isNop()) {
return true;
}
final Effect input = getInput();
return input != null && input.reducesOpaquePixels();
}
@Override
public ImageData filterImageDatas(
FilterContext fctx, BaseTransform transform, Rectangle outputClip, ImageData... inputs) {
return state.filterImageDatas(this, fctx, transform, outputClip, inputs);
}
/**
* Sets the angle of the motion effect, in radians.
*
* <pre>
* Min: n/a
* Max: n/a
* Default: 0.0
* Identity: n/a
* </pre>
*
* @param angle the angle of the motion effect, in radians
*/
public void setAngle(float angle) {
float old = state.getAngle();
state.setAngle(angle);
}
/**
* Returns the angle of the motion effect, in radians.
*
* @return the angle of the motion effect, in radians
*/
public float getAngle() {
return state.getAngle();
}
/**
* Sets the radius of the Gaussian kernel.
*
* <pre>
* Min: 0.0
* Max: 63.0
* Default: 10.0
* Identity: 0.0
* </pre>
*
* @param radius the radius of the Gaussian kernel
* @throws IllegalArgumentException if {@code radius} is outside the allowable range
*/
public void setRadius(float radius) {
float old = state.getRadius();
state.setRadius(radius);
}
/**
* Returns the radius of the Gaussian kernel.
*
* @return the radius of the Gaussian kernel
*/
public float getRadius() {
return state.getRadius();
}
