1 /*

     2  * Copyright (c) 2008, 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 }