89 lines
2.9 KiB
Java
89 lines
2.9 KiB
Java
/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* @author Alexey A. Petrenko
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* @version $Revision$
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*/
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package java.awt.image;
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import java.awt.RenderingHints;
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import java.awt.geom.Point2D;
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import java.awt.geom.Rectangle2D;
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/**
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* The RasterOp interface provides methods for performing transformations from
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* source data to destination data for Raster objects. The source and
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* destination objects should contain the appropriate number of bands for the
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* particular classes which implement this interface.
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*
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* @since Android 1.0
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*/
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public interface RasterOp {
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/**
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* Creates a destination WritableRaster with the specified Raster; this
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* destination image data is empty and has the correct size and number of
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* bands.
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*
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* @param src
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* the source Raster.
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* @return the WritableRaster.
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*/
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public WritableRaster createCompatibleDestRaster(Raster src);
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/**
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* Performs a filter operation on the source Raster and stores the resulting
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* image data to the destination WritableRaster.
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*
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* @param src
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* the source Raster.
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* @param dst
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* the destination WritableRaster, where the result is stored.
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* @return the filtered WritableRaster.
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*/
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public WritableRaster filter(Raster src, WritableRaster dst);
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/**
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* Gets the bounds of the filtered Raster.
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*
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* @param src
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* the source Raster to be filtered.
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* @return the rectangle bounds of the filtered Raster.
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*/
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public Rectangle2D getBounds2D(Raster src);
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/**
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* Gets the point of the destination image which corresponds to the
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* specified point in the source raster.
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*
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* @param srcPoint
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* the point of the source raster.
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* @param dstPoint
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* the point where the result will be stored.
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* @return the destination point.
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*/
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public Point2D getPoint2D(Point2D srcPoint, Point2D dstPoint);
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/**
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* Gets the RenderingHints of the RasterOp.
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*
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* @return the RenderingHints of the RasterOp.
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*/
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public RenderingHints getRenderingHints();
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}
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