Class DisplacementMapRable8Bit

    • Field Detail

      • scale

        private double scale
        Displacement scale factor
      • xChannelSelector

        private ARGBChannel xChannelSelector
        Defines which channel in the second source is used to displace along the x axis
      • yChannelSelector

        private ARGBChannel yChannelSelector
        Defines which channel in the second source is used to displace along the y axis.
    • Constructor Detail

      • DisplacementMapRable8Bit

        public DisplacementMapRable8Bit​(java.util.List sources,
                                        double scale,
                                        ARGBChannel xChannelSelector,
                                        ARGBChannel yChannelSelector)
    • Method Detail

      • getBounds2D

        public java.awt.geom.Rectangle2D getBounds2D()
        Description copied from interface: Filter
        Returns the bounds of the current image. This should be 'in sync' with getMinX, getMinY, getWidth, getHeight
        Specified by:
        getBounds2D in interface Filter
        Overrides:
        getBounds2D in class AbstractRable
      • setScale

        public void setScale​(double scale)
        The displacement scale factor
        Specified by:
        setScale in interface DisplacementMapRable
        Parameters:
        scale - can be any number.
      • setSources

        public void setSources​(java.util.List sources)
        Sets this filter sources.
        Specified by:
        setSources in interface DisplacementMapRable
        Parameters:
        sources - The list of images used in the operation.
      • setXChannelSelector

        public void setXChannelSelector​(ARGBChannel xChannelSelector)
        Select which component values will be used for displacement along the X axis
        Specified by:
        setXChannelSelector in interface DisplacementMapRable
        Parameters:
        xChannelSelector - value is among R, G, B and A.
      • setYChannelSelector

        public void setYChannelSelector​(ARGBChannel yChannelSelector)
        Select which component values will be used for displacement along the Y axis
        Specified by:
        setYChannelSelector in interface DisplacementMapRable
        Parameters:
        yChannelSelector - value is among R, G, B and A.
      • createRendering

        public java.awt.image.RenderedImage createRendering​(java.awt.image.renderable.RenderContext rc)
        Specified by:
        createRendering in interface java.awt.image.renderable.RenderableImage
      • getDependencyRegion

        public java.awt.Shape getDependencyRegion​(int srcIndex,
                                                  java.awt.geom.Rectangle2D outputRgn)
        Returns the region of input data is is required to generate outputRgn.
        Specified by:
        getDependencyRegion in interface Filter
        Overrides:
        getDependencyRegion in class AbstractRable
        Parameters:
        srcIndex - The source to do the dependency calculation for.
        outputRgn - The region of output you are interested in generating dependencies for. The is given in the user coordiate system for this node.
        Returns:
        The region of input required. This is in the user coordinate system for the source indicated by srcIndex.
      • getDirtyRegion

        public java.awt.Shape getDirtyRegion​(int srcIndex,
                                             java.awt.geom.Rectangle2D inputRgn)
        This calculates the region of output that is affected by a change in a region of input.
        Specified by:
        getDirtyRegion in interface Filter
        Overrides:
        getDirtyRegion in class AbstractRable
        Parameters:
        srcIndex - The input that inputRgn reflects changes in.
        inputRgn - the region of input that has changed, used to calculate the returned shape. This is given in the user coordinate system of the source indicated by srcIndex.
        Returns:
        The region of output that would be invalid given a change to inputRgn of the source selected by srcIndex. this is in the user coordinate system of this node.