/*
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 * 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.
 *
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package java.awt;

import java.awt.image.ColorModel;
import java.awt.image.Raster;
import java.awt.image.WritableRaster;
import java.util.Arrays;

import sun.awt.image.IntegerComponentRaster;

final class ColorPaintContext implements PaintContext {

    private final int color;
    private volatile WritableRaster savedTile;

    ColorPaintContext(int color) {
        this.color = color;
    }

    @Override
    public void dispose() {
    }

    @Override
    public ColorModel getColorModel() {
        return ColorModel.getRGBdefault();
    }

    @Override
    public 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 - icr.markDirty() is unnecessary since icr is brand new
            if (w <= 64 && h <= 64) {
                savedTile = t;
            }
        }
        return t;
    }
}