Java java.awt.image Interface BufferedImageOp（JDK8）

Method Detail

• filter

  BufferedImage filter(BufferedImage src,
                       BufferedImage dest)

  Performs a single-input/single-output operation on a BufferedImage. If the color models for the two images do not match, a color conversion into the destination color model is performed. If the destination image is null, a BufferedImage with an appropriate ColorModel is created.

  An IllegalArgumentException may be thrown if the source and/or destination image is incompatible with the types of images $ allowed by the class implementing this filter.

  Parameters:

  src - The BufferedImage to be filtered

  dest - The BufferedImage in which to store the results$

  Returns:

  The filtered BufferedImage.

  Throws:

  IllegalArgumentException - If the source and/or destination image is not compatible with the types of images allowed by the class implementing this filter.

• getBounds2D

  Rectangle2D getBounds2D(BufferedImage src)

  Returns the bounding box of the filtered destination image. An IllegalArgumentException may be thrown if the source image is incompatible with the types of images allowed by the class implementing this filter.

  Parameters:

  src - The BufferedImage to be filtered

  Returns:

  The Rectangle2D representing the destination image's bounding box.

• createCompatibleDestImage

  BufferedImage createCompatibleDestImage(BufferedImage src,
                                          ColorModel destCM)

  Creates a zeroed destination image with the correct size and number of bands. An IllegalArgumentException may be thrown if the source image is incompatible with the types of images allowed by the class implementing this filter.

  Parameters:

  src - The BufferedImage to be filtered

  destCM - ColorModel of the destination. If null, the ColorModel of the source is used.

  Returns:

  The zeroed destination image.

• getPoint2D

  Point2D getPoint2D(Point2D srcPt,
                     Point2D dstPt)

  Returns the location of the corresponding destination point given a point in the source image. If dstPt is specified, it is used to hold the return value.

  Parameters:

  srcPt - the Point2D that represents the point in the source image

  dstPt - The Point2D in which to store the result

  Returns:

  The Point2D in the destination image that corresponds to the specified point in the source image.

• getRenderingHints

  RenderingHints getRenderingHints()

  Returns the rendering hints for this operation.

  Returns:

  The RenderingHints object for this BufferedImageOp. Returns null if no hints have been set.