Package com.jhlabs.image

Class PolarFilter

java.lang.Object
com.jhlabs.image.AbstractBufferedImageOp
com.jhlabs.image.TransformFilter
com.jhlabs.image.PolarFilter
All Implemented Interfaces:
BufferedImageOp, Cloneable
public class PolarFilter extends TransformFilter
A filter which distorts and image by performing coordinate conversions between rectangular and polar coordinates.

  • Field Details

    • RECT_TO_POLAR

      public static final int RECT_TO_POLAR
      Convert from rectangular to polar coordinates.
      See Also:

    • POLAR_TO_RECT

      public static final int POLAR_TO_RECT
      Convert from polar to rectangular coordinates.
      See Also:

    • INVERT_IN_CIRCLE

      public static final int INVERT_IN_CIRCLE
      Invert the image in a circle.
      See Also:

  • Constructor Details

    • PolarFilter

      public PolarFilter()
      Construct a PolarFilter.

    • PolarFilter

      public PolarFilter(int type)
      Construct a PolarFilter.
      Parameters:
      type - the distortion type

  • Method Details

    • filter

      public BufferedImage filter(BufferedImage src, BufferedImage dst)
      Specified by:
      filter in interface BufferedImageOp
      Overrides:
      filter in class TransformFilter

    • setType

      public void setType(int type)
      Set the distortion type.
      Parameters:
      type - the distortion type
      See Also:

    • getType

      public int getType()
      Get the distortion type.
      Returns:
      the distortion type
      See Also:

    • 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

    • setRelativeCentreX

      public void setRelativeCentreX(float relativeCentreX)

    • setRelativeCentreY

      public void setRelativeCentreY(float relativeCentreY)

    • getRelativeCentreX

      public float getRelativeCentreX()

    • getRelativeCentreY

      public float getRelativeCentreY()

    • toString

      public String toString()
      Overrides:
      toString in class Object