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 * DrawParallelogram
38 * 1) fill the area between the 4 edges of an outer parallelogram
39 * (as specified by an origin and 2 delta vectors)
40 * but also outside the 4 edges of an inner parallelogram
41 * (as specified by proportional amounts of the outer delta vectors)
42 */
43 public class DrawParallelogram extends GraphicsPrimitive
44 {
45 public final static String methodSignature =
46 "DrawParallelogram(...)".toString();
47
48 public final static int primTypeID = makePrimTypeID();
49
50 public static DrawParallelogram locate(SurfaceType srctype,
51 CompositeType comptype,
52 SurfaceType dsttype)
53 {
54 return (DrawParallelogram)
55 GraphicsPrimitiveMgr.locate(primTypeID,
56 srctype, comptype, dsttype);
57 }
58
59 protected DrawParallelogram(SurfaceType srctype,
60 CompositeType comptype,
61 SurfaceType dsttype)
62 {
63 super(methodSignature, primTypeID,
64 srctype, comptype, dsttype);
65 }
66
67 public DrawParallelogram(long pNativePrim,
68 SurfaceType srctype,
69 CompositeType comptype,
70 SurfaceType dsttype)
71 {
72 super(pNativePrim, methodSignature, primTypeID,
73 srctype, comptype, dsttype);
74 }
75
76 /**
77 * All DrawParallelogram implementors must have this invoker method
78 */
79 public native void DrawParallelogram(SunGraphics2D sg, SurfaceData dest,
80 double x, double y,
81 double dx1, double dy1,
82 double dx2, double dy2,
83 double lw1, double lw2);
84
85 public GraphicsPrimitive makePrimitive(SurfaceType srctype,
86 CompositeType comptype,
87 SurfaceType dsttype)
88 {
89 // REMIND: iterate with a FillRect primitive?
90 throw new InternalError("DrawParallelogram not implemented for "+
91 srctype+" with "+comptype);
92 }
93
94 public GraphicsPrimitive traceWrap() {
95 return new TraceDrawParallelogram(this);
96 }
97
98 private static class TraceDrawParallelogram extends DrawParallelogram {
99 DrawParallelogram target;
100
101 public TraceDrawParallelogram(DrawParallelogram target) {
102 super(target.getSourceType(),
103 target.getCompositeType(),
104 target.getDestType());
105 this.target = target;
106 }
107
108 public GraphicsPrimitive traceWrap() {
109 return this;
110 }
111
112 public void DrawParallelogram(SunGraphics2D sg2d, SurfaceData dest,
113 double x, double y,
114 double dx1, double dy1,
115 double dx2, double dy2,
116 double lw1, double lw2)
117 {
118 tracePrimitive(target);
119 target.DrawParallelogram(sg2d, dest,
120 x, y, dx1, dy1, dx2, dy2, lw1, lw2);
121 }
122 }
123 }