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
30package sun.java2d.loops;
31
32import sun.java2d.loops.GraphicsPrimitive;
33import sun.java2d.SunGraphics2D;
34import 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 */
41public class FillParallelogram extends GraphicsPrimitive
42{
43    public static final String methodSignature =
44        "FillParallelogram(...)".toString();
45
46    public static final 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}
119