/*
 *  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 Alexey A. Petrenko
 * @author Chris Gray
 */
package java.awt;

import java.awt.geom.AffineTransform;
import java.awt.image.BufferedImage;
import java.awt.image.ColorModel;
import java.awt.image.VolatileImage;

public abstract class GraphicsConfiguration {

    private static ImageCapabilities defaultImageCapabilities;

   /***************************************************************************
    *
    *  Constructors
    *
    ***************************************************************************/

    protected GraphicsConfiguration() {
    }

   /***************************************************************************
    *
    *  Abstract methods
    *
    ***************************************************************************/

    public abstract BufferedImage createCompatibleImage(int width, int height);

    public abstract BufferedImage createCompatibleImage(int width, int height, int transparency);

    public abstract VolatileImage createCompatibleVolatileImage(int width, int height);

    public abstract VolatileImage createCompatibleVolatileImage(int width, int height, int transparency);

    public abstract Rectangle getBounds();

    public abstract ColorModel getColorModel();

    public abstract ColorModel getColorModel(int transparency);

    public abstract AffineTransform getDefaultTransform();

    public abstract AffineTransform getNormalizingTransform();

    public abstract GraphicsDevice getDevice();

    /***************************************************************************
    *
    *  Public methods
    *
    ***************************************************************************/

    public VolatileImage createCompatibleVolatileImage(int width, int height, ImageCapabilities caps) throws java.awt.AWTException {
        VolatileImage res = createCompatibleVolatileImage(width, height);
        if (!res.getCapabilities().equals(caps)) {
            throw new AWTException("cannot create VolatileImage with specified capabilities");
        }
        return res;
    }

    public VolatileImage createCompatibleVolatileImage(int width, int height, ImageCapabilities caps, int transparency) throws java.awt.AWTException {
        VolatileImage res = createCompatibleVolatileImage(width, height, transparency);
        if (!res.getCapabilities().equals(caps)) {
            throw new AWTException("cannot create VolatileImage with specified capabilities");
        }
        return res;
    }

    public BufferCapabilities getBufferCapabilities() {
        return new BufferCapabilities(new ImageCapabilities(false), new ImageCapabilities(false),
                BufferCapabilities.FlipContents.UNDEFINED);
    }

    public ImageCapabilities getImageCapabilities() {
        return new ImageCapabilities(false);
    }

}