/*

 * Copyright (c) 1997, 2011, 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

 * or visit www.oracle.com if you need additional information or have any

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 */

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, ParallelogramPipe {

    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;

    }

    public void fillParallelogram(SunGraphics2D sg,

                                  double ux1, double uy1,

                                  double ux2, double uy2,

                                  double x, double y,

                                  double dx1, double dy1,

                                  double dx2, double dy2)

    {

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

                                 x, y, dx1, dy1, dx2, dy2);

    }

    public void drawParallelogram(SunGraphics2D sg,

                                  double ux1, double uy1,

                                  double ux2, double uy2,

                                  double x, double y,

                                  double dx1, double dy1,

                                  double dx2, double dy2,

                                  double lw1, double lw2)

    {

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

                                 x, y, dx1, dy1, dx2, dy2, lw1, lw2);

    }

}