Class ConvolveFilter

    • Constructor Summary

      Constructors 
      Constructor Description
      ConvolveFilter()
      Construct a filter with a null kernel.
      ConvolveFilter​(float[] matrix)
      Construct a filter with the given 3x3 kernel.
      ConvolveFilter​(int rows, int cols, float[] matrix)
      Construct a filter with the given kernel.
      ConvolveFilter​(java.awt.image.Kernel kernel)
      Construct a filter with the given 3x3 kernel.
    • Method Summary

      All Methods Static Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      static void convolve​(java.awt.image.Kernel kernel, int[] inPixels, int[] outPixels, int width, int height, boolean alpha, int edgeAction)  
      static void convolve​(java.awt.image.Kernel kernel, int[] inPixels, int[] outPixels, int width, int height, int edgeAction)  
      static void convolveH​(java.awt.image.Kernel kernel, int[] inPixels, int[] outPixels, int width, int height, boolean alpha, int edgeAction)
      Convolve with a kernel consisting of one row
      static void convolveHV​(java.awt.image.Kernel kernel, int[] inPixels, int[] outPixels, int width, int height, boolean alpha, int edgeAction)
      Convolve with a 2D kernel
      static void convolveV​(java.awt.image.Kernel kernel, int[] inPixels, int[] outPixels, int width, int height, boolean alpha, int edgeAction)
      Convolve with a kernel consisting of one column
      java.awt.image.BufferedImage createCompatibleDestImage​(java.awt.image.BufferedImage src, java.awt.image.ColorModel dstCM)  
      java.awt.image.BufferedImage filter​(java.awt.image.BufferedImage src, java.awt.image.BufferedImage dst)  
      java.awt.geom.Rectangle2D getBounds2D​(java.awt.image.BufferedImage src)  
      int getEdgeAction()  
      java.awt.image.Kernel getKernel()  
      java.awt.geom.Point2D getPoint2D​(java.awt.geom.Point2D srcPt, java.awt.geom.Point2D dstPt)  
      java.awt.RenderingHints getRenderingHints()  
      boolean getUseAlpha()  
      void setEdgeAction​(int edgeAction)  
      void setKernel​(java.awt.image.Kernel kernel)  
      void setUseAlpha​(boolean useAlpha)  
      java.lang.String toString()  
      • Methods inherited from class java.lang.Object

        equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
    • Field Detail

      • ZERO_EDGES

        public static int ZERO_EDGES
      • CLAMP_EDGES

        public static int CLAMP_EDGES
      • WRAP_EDGES

        public static int WRAP_EDGES
      • kernel

        protected java.awt.image.Kernel kernel
      • alpha

        protected boolean alpha
    • Constructor Detail

      • ConvolveFilter

        public ConvolveFilter()
        Construct a filter with a null kernel. This is only useful if you're going to change the kernel later on.
      • ConvolveFilter

        public ConvolveFilter​(float[] matrix)
        Construct a filter with the given 3x3 kernel.
        Parameters:
        matrix - an array of 9 floats containing the kernel
      • ConvolveFilter

        public ConvolveFilter​(int rows,
                              int cols,
                              float[] matrix)
        Construct a filter with the given kernel.
        Parameters:
        rows - the number of rows in the kernel
        cols - the number of columns in the kernel
        matrix - an array of rows*cols floats containing the kernel
      • ConvolveFilter

        public ConvolveFilter​(java.awt.image.Kernel kernel)
        Construct a filter with the given 3x3 kernel.
        Parameters:
        matrix - an array of 9 floats containing the kernel
    • Method Detail

      • setKernel

        public void setKernel​(java.awt.image.Kernel kernel)
      • getKernel

        public java.awt.image.Kernel getKernel()
      • setEdgeAction

        public void setEdgeAction​(int edgeAction)
      • getEdgeAction

        public int getEdgeAction()
      • setUseAlpha

        public void setUseAlpha​(boolean useAlpha)
      • getUseAlpha

        public boolean getUseAlpha()
      • filter

        public java.awt.image.BufferedImage filter​(java.awt.image.BufferedImage src,
                                                   java.awt.image.BufferedImage dst)
      • createCompatibleDestImage

        public java.awt.image.BufferedImage createCompatibleDestImage​(java.awt.image.BufferedImage src,
                                                                      java.awt.image.ColorModel dstCM)
        Specified by:
        createCompatibleDestImage in interface java.awt.image.BufferedImageOp
        Overrides:
        createCompatibleDestImage in class AbstractBufferedImageOp
      • getBounds2D

        public java.awt.geom.Rectangle2D getBounds2D​(java.awt.image.BufferedImage src)
        Specified by:
        getBounds2D in interface java.awt.image.BufferedImageOp
        Overrides:
        getBounds2D in class AbstractBufferedImageOp
      • getPoint2D

        public java.awt.geom.Point2D getPoint2D​(java.awt.geom.Point2D srcPt,
                                                java.awt.geom.Point2D dstPt)
        Specified by:
        getPoint2D in interface java.awt.image.BufferedImageOp
        Overrides:
        getPoint2D in class AbstractBufferedImageOp
      • getRenderingHints

        public java.awt.RenderingHints getRenderingHints()
        Specified by:
        getRenderingHints in interface java.awt.image.BufferedImageOp
        Overrides:
        getRenderingHints in class AbstractBufferedImageOp
      • convolve

        public static void convolve​(java.awt.image.Kernel kernel,
                                    int[] inPixels,
                                    int[] outPixels,
                                    int width,
                                    int height,
                                    int edgeAction)
      • convolve

        public static void convolve​(java.awt.image.Kernel kernel,
                                    int[] inPixels,
                                    int[] outPixels,
                                    int width,
                                    int height,
                                    boolean alpha,
                                    int edgeAction)
      • convolveHV

        public static void convolveHV​(java.awt.image.Kernel kernel,
                                      int[] inPixels,
                                      int[] outPixels,
                                      int width,
                                      int height,
                                      boolean alpha,
                                      int edgeAction)
        Convolve with a 2D kernel
      • convolveH

        public static void convolveH​(java.awt.image.Kernel kernel,
                                     int[] inPixels,
                                     int[] outPixels,
                                     int width,
                                     int height,
                                     boolean alpha,
                                     int edgeAction)
        Convolve with a kernel consisting of one row
      • convolveV

        public static void convolveV​(java.awt.image.Kernel kernel,
                                     int[] inPixels,
                                     int[] outPixels,
                                     int width,
                                     int height,
                                     boolean alpha,
                                     int edgeAction)
        Convolve with a kernel consisting of one column
      • toString

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