1 /*
   2  * Copyright (c) 2008, 2010, 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 Jim Graham
  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  * FillParallelogram
  38  * 1) fill the area between the 4 edges of a parallelogram
  39  *    (as specified by an origin and 2 delta vectors)
  40  */
  41 public class FillParallelogram extends GraphicsPrimitive
  42 {
  43     public final static String methodSignature =
  44         "FillParallelogram(...)".toString();
  45 
  46     public final static int primTypeID = makePrimTypeID();
  47 
  48     public static FillParallelogram locate(SurfaceType srctype,
  49                                            CompositeType comptype,
  50                                            SurfaceType dsttype)
  51     {
  52         return (FillParallelogram)
  53             GraphicsPrimitiveMgr.locate(primTypeID,
  54                                         srctype, comptype, dsttype);
  55     }
  56 
  57     protected FillParallelogram(SurfaceType srctype,
  58                                 CompositeType comptype,
  59                                 SurfaceType dsttype)
  60     {
  61         super(methodSignature, primTypeID,
  62               srctype, comptype, dsttype);
  63     }
  64 
  65     public FillParallelogram(long pNativePrim,
  66                              SurfaceType srctype,
  67                              CompositeType comptype,
  68                              SurfaceType dsttype)
  69     {
  70         super(pNativePrim, methodSignature, primTypeID,
  71               srctype, comptype, dsttype);
  72     }
  73 
  74     /**
  75      * All FillParallelogram implementors must have this invoker method
  76      */
  77     public native void FillParallelogram(SunGraphics2D sg2d, SurfaceData dest,
  78                                          double x0, double y0,
  79                                          double dx1, double dy1,
  80                                          double dx2, double dy2);
  81 
  82     public GraphicsPrimitive makePrimitive(SurfaceType srctype,
  83                                            CompositeType comptype,
  84                                            SurfaceType dsttype)
  85     {
  86         // REMIND: iterate with a FillRect primitive?
  87         throw new InternalError("FillParallelogram not implemented for "+
  88                                 srctype+" with "+comptype);
  89     }
  90 
  91     public GraphicsPrimitive traceWrap() {
  92         return new TraceFillParallelogram(this);
  93     }
  94 
  95     private static class TraceFillParallelogram extends FillParallelogram {
  96         FillParallelogram target;
  97 
  98         public TraceFillParallelogram(FillParallelogram target) {
  99             super(target.getSourceType(),
 100                   target.getCompositeType(),
 101                   target.getDestType());
 102             this.target = target;
 103         }
 104 
 105         public GraphicsPrimitive traceWrap() {
 106             return this;
 107         }
 108 
 109         public void FillParallelogram(SunGraphics2D sg2d, SurfaceData dest,
 110                                       double x0, double y0,
 111                                       double dx1, double dy1,
 112                                       double dx2, double dy2)
 113         {
 114             tracePrimitive(target);
 115             target.FillParallelogram(sg2d, dest, x0, y0, dx1, dy1, dx2, dy2);
 116         }
 117     }
 118 }