Class DisplaceFilter

  • All Implemented Interfaces:
    java.awt.image.BufferedImageOp, java.lang.Cloneable

    public class DisplaceFilter
    extends TransformFilter
    A filter which simulates the appearance of looking through glass. A separate grayscale displacement image is provided and pixels in the source image are displaced according to the gradient of the displacement map.
    • Constructor Detail

      • DisplaceFilter

        public DisplaceFilter()
    • Method Detail

      • setDisplacementMap

        public void setDisplacementMap​(java.awt.image.BufferedImage displacementMap)
        Set the displacement map.
        Parameters:
        displacementMap - an image representing the displacment at each point
        See Also:
        getDisplacementMap()
      • setAmount

        public void setAmount​(float amount)
        Set the amount of distortion.
        Parameters:
        amount - the amount, min-value 0, max-value 1
        See Also:
        getAmount()
      • getAmount

        public float getAmount()
        Get the amount of distortion.
        Returns:
        the amount
        See Also:
        setAmount(float)
      • filter

        public java.awt.image.BufferedImage filter​(java.awt.image.BufferedImage src,
                                                   java.awt.image.BufferedImage dst)
        Specified by:
        filter in interface java.awt.image.BufferedImageOp
        Overrides:
        filter in class TransformFilter
      • transformInverse

        protected void transformInverse​(int x,
                                        int y,
                                        float[] out)
        Description copied from class: TransformFilter
        Inverse transform a point. This method needs to be overriden by all subclasses.
        Specified by:
        transformInverse in class TransformFilter
        Parameters:
        x - the X position of the pixel in the output image
        y - the Y position of the pixel in the output image
        out - the position of the pixel in the input image
      • toString

        public java.lang.String toString()
        Overrides:
        toString in class java.lang.Object