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
30package sun.java2d.loops;
31
32import sun.java2d.loops.GraphicsPrimitive;
33import sun.java2d.SunGraphics2D;
34import 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 */
42public 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            tracePrimitive(target);
108            target.DrawLine(sg2d, dest, x1, y1, x2, y2);
109        }
110    }
111}
112