/**
* Creates an {@link AbstractChannelFilterOperation} that computes the logical-XOR of the given
* constant pixel value and the applied {@link Image}.
*
* @param pixel the constant pixel value to XOR with the applied {@link Image}
* @return an {@link AbstractChannelFilterOperation} that computes the logical-XOR of the given
* constant pixel value and the applied {@link Image}
*/
public static AbstractChannelFilterOperation getXorOperation(final int pixel) {
final int[] constant = Color.getPixelRGBA(pixel);
return new AbstractChannelFilterOperation() {
@Override
protected int processChannel(int v, int x, int y, int i, Image input) {
return v ^ constant[i];
}
};
}
/**
* Creates an {@link AbstractChannelFilterOperation} that computes the sum of the given constant
* pixel value and the applied {@link Image}.
*
* @param pixelOffset
* @return an {@link AbstractChannelFilterOperation} that computes the sum of the given constant
* pixel value and the applied {@link Image}
*/
public static AbstractChannelFilterOperation getAddOperation(final int pixelOffset) {
final int[] argbOffset = Color.getPixelRGBA(pixelOffset);
return new AbstractChannelFilterOperation() {
@Override
protected int processChannel(int v, int x, int y, int i, Image input) {
return v + argbOffset[i];
}
};
}
/**
* Creates an {@link AbstractChannelFilterOperation} that computes the absolute difference of the
* given constant pixel value and the applied {@link Image}.
*
* @param pixelOther
* @return an {@link AbstractChannelFilterOperation} that computes the absolute difference of the
* given constant pixel value and the applied {@link Image}
*/
public static AbstractChannelFilterOperation getAbsDifferenceOperation(final int pixelOther) {
final int[] argbOther = Color.getPixelRGBA(pixelOther);
return new AbstractChannelFilterOperation() {
@Override
protected int processChannel(int v, int x, int y, int i, Image input) {
return Math.abs(v - argbOther[i]);
}
};
}
