java.awt.image

Interface BufferedImageOp

Table des matières
  • All Known Implementing Classes:
    AffineTransformOp, ColorConvertOp, ConvolveOp, LookupOp, RescaleOp

    public interface BufferedImageOp
    This interface describes single-input/single-output operations performed on BufferedImage objects. It is implemented by AffineTransformOp, ConvolveOp, ColorConvertOp, RescaleOp, and LookupOp. These objects can be passed into a BufferedImageFilter to operate on a BufferedImage in the ImageProducer-ImageFilter-ImageConsumer paradigm.

    Classes that implement this interface must specify whether or not they allow in-place filtering-- filter operations where the source object is equal to the destination object.

    This interface cannot be used to describe more sophisticated operations such as those that take multiple sources. Note that this restriction also means that the values of the destination pixels prior to the operation are not used as input to the filter operation.

    See Also:
    BufferedImage, BufferedImageFilter, AffineTransformOp, BandCombineOp, ColorConvertOp, ConvolveOp, LookupOp, RescaleOp

    • 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.

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Document créé le 30/08/2006, dernière modification le 04/03/2020
Source du document imprimé : https://www.gaudry.be/java-api-rf-java/awt/image/bufferedimageop.html

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