/*

 * Copyright (c) 2005, 2015, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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 */

package com.sun.imageio.plugins.common;

import java.awt.image.ColorModel;

import java.awt.image.Raster;

/**

 * A simple class that provides RenderedImage functionality

 * given a Raster and a ColorModel.

 */

public class SingleTileRenderedImage extends SimpleRenderedImage {

    Raster ras;

    /**

     * Constructs a SingleTileRenderedImage based on a Raster

     * and a ColorModel.

     *

     * @param ras A Raster that will define tile (0, 0) of the image.

     * @param cm A ColorModel that will serve as the image's

     *           ColorModel.

     */

    public SingleTileRenderedImage(Raster ras, ColorModel colorModel) {

        this.ras = ras;

        this.tileGridXOffset = this.minX = ras.getMinX();

        this.tileGridYOffset = this.minY = ras.getMinY();

        this.tileWidth = this.width = ras.getWidth();

        this.tileHeight = this.height = ras.getHeight();

        this.sampleModel = ras.getSampleModel();

        this.colorModel = colorModel;

    }

    /**

     * Returns the image's Raster as tile (0, 0).

     */

    public Raster getTile(int tileX, int tileY) {

        if (tileX != 0 || tileY != 0) {

            throw new IllegalArgumentException("tileX != 0 || tileY != 0");

        }

        return ras;

    }

}