1 /*
   2  * Copyright (c) 1997, 2016, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 /*
  27  * @author Charlton Innovations, Inc.
  28  */
  29 
  30 package sun.java2d.loops;
  31 
  32 import sun.java2d.loops.GraphicsPrimitive;
  33 import sun.java2d.SunGraphics2D;
  34 import sun.java2d.SurfaceData;
  35 
  36 /**
  37  *   DrawLine
  38  *   1) draw solid color single width line onto destination surface
  39  *   2) must accept output area [x, y, dx, dy]
  40  *      from within the surface description data for clip rect
  41  */
  42 public class DrawLine extends GraphicsPrimitive
  43 {
  44     public static final String methodSignature = "DrawLine(...)".toString();
  45 
  46     public static final int primTypeID = makePrimTypeID();
  47 
  48     public static DrawLine locate(SurfaceType srctype,
  49                                   CompositeType comptype,
  50                                   SurfaceType dsttype)
  51     {
  52         return (DrawLine) GraphicsPrimitiveMgr.locate(primTypeID,
  53                                                       srctype, comptype, dsttype);
  54     }
  55 
  56     protected DrawLine(SurfaceType srctype,
  57                        CompositeType comptype,
  58                        SurfaceType dsttype)
  59     {
  60         super(methodSignature, primTypeID, srctype, comptype, dsttype);
  61     }
  62 
  63     public DrawLine(long pNativePrim,
  64                     SurfaceType srctype,
  65                     CompositeType comptype,
  66                     SurfaceType dsttype)
  67     {
  68         super(pNativePrim, methodSignature, primTypeID, srctype, comptype, dsttype);
  69     }
  70 
  71     /**
  72      *   All DrawLine implementors must have this invoker method
  73      */
  74     public native void DrawLine(SunGraphics2D sg2d, SurfaceData dest,
  75                                 int x1, int y1, int x2, int y2);
  76 
  77     public GraphicsPrimitive makePrimitive(SurfaceType srctype,
  78                                            CompositeType comptype,
  79                                            SurfaceType dsttype)
  80     {
  81         // REMIND: use FillSpans or converter object?
  82         throw new InternalError("DrawLine not implemented for "+
  83                                 srctype+" with "+comptype);
  84     }
  85 
  86     public GraphicsPrimitive traceWrap() {
  87         return new TraceDrawLine(this);
  88     }
  89 
  90     private static class TraceDrawLine extends DrawLine {
  91         DrawLine target;
  92 
  93         public TraceDrawLine(DrawLine target) {
  94             super(target.getSourceType(),
  95                   target.getCompositeType(),
  96                   target.getDestType());
  97             this.target = target;
  98         }
  99 
 100         public GraphicsPrimitive traceWrap() {
 101             return this;
 102         }
 103 
 104         public void DrawLine(SunGraphics2D sg2d, SurfaceData dest,
 105                              int x1, int y1, int x2, int y2)
 106         {
 107             if ((traceflags & TRACEPTIME) == 0) {
 108                 tracePrimitive(target);
 109             }
 110             long time = System.nanoTime();
 111             target.DrawLine(sg2d, dest, x1, y1, x2, y2);
 112             tracePrimitiveTime(target, System.nanoTime() - time);
 113         }
 114     }
 115 }