/* * Copyright (c) 1997, 2002, 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 * questions. */ /* * @author Charlton Innovations, Inc. */ package sun.java2d.loops; import sun.java2d.loops.GraphicsPrimitive;import java.awt.Color;import java.awt.image.ColorModel;import java.awt.image.Raster;import sun.java2d.SunGraphics2D;import sun.java2d.SurfaceData; /** *   DrawLine *   1) draw solid color single width line onto destination surface *   2) must accept output area [x, y, dx, dy] *      from within the surface description data for clip rect */public class DrawLine extends GraphicsPrimitive{    public final static String methodSignature = "DrawLine(...)".toString();     public final static int primTypeID = makePrimTypeID();     public static DrawLine locate(SurfaceType srctype,                                  CompositeType comptype,                                  SurfaceType dsttype)    {        return (DrawLine) GraphicsPrimitiveMgr.locate(primTypeID,                                                      srctype, comptype, dsttype);    }     protected DrawLine(SurfaceType srctype,                       CompositeType comptype,                       SurfaceType dsttype)    {        super(methodSignature, primTypeID, srctype, comptype, dsttype);    }     public DrawLine(long pNativePrim,                    SurfaceType srctype,                    CompositeType comptype,                    SurfaceType dsttype)    {        super(pNativePrim, methodSignature, primTypeID, srctype, comptype, dsttype);    }     /**     *   All DrawLine implementors must have this invoker method     */    public native void DrawLine(SunGraphics2D sg2d, SurfaceData dest,                                int x1, int y1, int x2, int y2);     public GraphicsPrimitive makePrimitive(SurfaceType srctype,                                           CompositeType comptype,                                           SurfaceType dsttype)    {        // REMIND: use FillSpans or converter object?        throw new InternalError("DrawLine not implemented for "+                                srctype+" with "+comptype);    }     public GraphicsPrimitive traceWrap() {        return new TraceDrawLine(this);    }     private static class TraceDrawLine extends DrawLine {        DrawLine target;         public TraceDrawLine(DrawLine target) {            super(target.getSourceType(),                  target.getCompositeType(),                  target.getDestType());            this.target = target;        }         public GraphicsPrimitive traceWrap() {            return this;        }         public void DrawLine(SunGraphics2D sg2d, SurfaceData dest,                             int x1, int y1, int x2, int y2)        {            tracePrimitive(target);            target.DrawLine(sg2d, dest, x1, y1, x2, y2);        }    }}