/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @author Igor V. Stolyarov
* Created on 23.11.2005
*
*/
package org.apache.harmony.awt.gl;
import org.apache.harmony.awt.gl.image.DataBufferListener;
import com.google.code.appengine.awt.Image;
import com.google.code.appengine.awt.image.DataBuffer;
import com.google.code.appengine.awt.image.DataBufferInt;
import com.google.code.appengine.awt.image.IndexColorModel;
/**
* This class give an opportunity to get access to private data of
* some java.awt.image classes
* Implementation of this class placed in java.awt.image package
*/
public abstract class AwtImageBackdoorAccessor {
static protected AwtImageBackdoorAccessor inst;
public static AwtImageBackdoorAccessor getInstance(){
// First we need to run the static initializer in the DataBuffer class to resolve inst.
new DataBufferInt(0);
return inst;
}
public abstract Surface getImageSurface(Image image);
public abstract boolean isGrayPallete(IndexColorModel icm);
public abstract Object getData(DataBuffer db);
public abstract int[] getDataInt(DataBuffer db);
public abstract byte[] getDataByte(DataBuffer db);
public abstract short[] getDataShort(DataBuffer db);
public abstract short[] getDataUShort(DataBuffer db);
public abstract double[] getDataDouble(DataBuffer db);
public abstract float[] getDataFloat(DataBuffer db);
public abstract void releaseData(DataBuffer db);
public abstract void addDataBufferListener(DataBuffer db, DataBufferListener listener);
public abstract void removeDataBufferListener(DataBuffer db);
public abstract void validate(DataBuffer db);
}