/*

 * Copyright 1997-1999 Sun Microsystems, Inc.  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.  Sun designates this

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

 * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

 * CA 95054 USA or visit www.sun.com if you need additional information or

 * have any questions.

 */

package sun.java2d.pipe;

import java.awt.Rectangle;

import java.awt.Shape;

import sun.java2d.SunGraphics2D;

/**

 * This class implements a CompositePipe that renders path alpha tiles

 * into a destination that supports direct alpha compositing of a solid

 * color, according to one of the rules in the AlphaComposite class.

 */

public class AlphaColorPipe implements CompositePipe {

    public AlphaColorPipe() {

    }

    public Object startSequence(SunGraphics2D sg, Shape s, Rectangle dev,

                                int[] abox) {

        return sg;

    }

    public boolean needTile(Object context, int x, int y, int w, int h) {

        return true;

    }

    public void renderPathTile(Object context,

                               byte[] atile, int offset, int tilesize,

                               int x, int y, int w, int h) {

        SunGraphics2D sg = (SunGraphics2D) context;

        sg.alphafill.MaskFill(sg, sg.getSurfaceData(), sg.composite,

                              x, y, w, h,

                              atile, offset, tilesize);

    }

    public void skipTile(Object context, int x, int y) {

        return;

    }

    public void endSequence(Object context) {

        return;

    }

}