/*

 * Copyright (c) 1997, 2007, 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 java.awt;

import java.awt.image.ColorModel;

import java.awt.image.Raster;

import java.awt.image.WritableRaster;

import sun.awt.image.IntegerComponentRaster;

import java.util.Arrays;

class ColorPaintContext implements PaintContext {

    int color;

    WritableRaster savedTile;

    protected ColorPaintContext(int color, ColorModel cm) {

        this.color = color;

    }

    public void dispose() {

    }

    /*

     * Returns the RGB value representing the color in the default sRGB

     * {@link ColorModel}.

     * (Bits 24-31 are alpha, 16-23 are red, 8-15 are green, 0-7 are

     * blue).

     * @return the RGB value of the color in the default sRGB

     *         <code>ColorModel</code>.

     * @see java.awt.image.ColorModel#getRGBdefault

     * @see #getRed

     * @see #getGreen

     * @see #getBlue

     */

    int getRGB() {

        return color;

    }

    public ColorModel getColorModel() {

        return ColorModel.getRGBdefault();

    }

    public synchronized Raster getRaster(int x, int y, int w, int h) {

        WritableRaster t = savedTile;

        if (t == null || w > t.getWidth() || h > t.getHeight()) {

            t = getColorModel().createCompatibleWritableRaster(w, h);

            IntegerComponentRaster icr = (IntegerComponentRaster) t;

            Arrays.fill(icr.getDataStorage(), color);

            // Note - markDirty is probably unnecessary since icr is brand new

            icr.markDirty();

            if (w <= 64 && h <= 64) {

                savedTile = t;

            }

        }

        return t;

    }

}