FillSpans.java revision 12839:f618cefbe1e3 
1/*
2 * Copyright (c) 1998, 2002, 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 * @author Charlton Innovations, Inc.
29 */
30
31package sun.java2d.loops;
32
33import sun.java2d.loops.GraphicsPrimitive;
34import sun.java2d.pipe.SpanIterator;
35import java.awt.Color;
36import java.awt.image.ColorModel;
37import java.awt.image.Raster;
38import sun.java2d.SunGraphics2D;
39import sun.java2d.SurfaceData;
40
41/**
42 * FillSpans
43 * 1) draw solid color onto destination surface
44 * 2) rectangular areas to fill come from SpanIterator
45 */
46public class FillSpans extends GraphicsPrimitive
47{
48    public static final String methodSignature = "FillSpans(...)".toString();
49
50    public static final int primTypeID = makePrimTypeID();
51
52    public static FillSpans locate(SurfaceType srctype,
53                                   CompositeType comptype,
54                                   SurfaceType dsttype)
55    {
56        return (FillSpans)
57            GraphicsPrimitiveMgr.locate(primTypeID,
58                                        srctype, comptype, dsttype);
59    }
60
61    protected FillSpans(SurfaceType srctype,
62                        CompositeType comptype,
63                        SurfaceType dsttype)
64    {
65        super(methodSignature, primTypeID, srctype, comptype, dsttype);
66    }
67
68    public FillSpans(long pNativePrim,
69                     SurfaceType srctype,
70                     CompositeType comptype,
71                     SurfaceType dsttype)
72    {
73        super(pNativePrim, methodSignature, primTypeID, srctype, comptype, dsttype);
74    }
75
76    private native void FillSpans(SunGraphics2D sg2d, SurfaceData dest,
77                                  int pixel, long pIterator, SpanIterator si);
78
79    /**
80     * All FillSpan implementors must have this invoker method
81     */
82    public void FillSpans(SunGraphics2D sg2d, SurfaceData dest,
83                          SpanIterator si)
84    {
85        FillSpans(sg2d, dest, sg2d.pixel, si.getNativeIterator(), si);
86    }
87
88    public GraphicsPrimitive makePrimitive(SurfaceType srctype,
89                                           CompositeType comptype,
90                                           SurfaceType dsttype)
91    {
92        // REMIND: iterate with a FillRect primitive?
93        throw new InternalError("FillSpans not implemented for "+
94                                srctype+" with "+comptype);
95    }
96
97    public GraphicsPrimitive traceWrap() {
98        return new TraceFillSpans(this);
99    }
100
101    private static class TraceFillSpans extends FillSpans {
102        FillSpans target;
103
104        public TraceFillSpans(FillSpans target) {
105            super(target.getSourceType(),
106                  target.getCompositeType(),
107                  target.getDestType());
108            this.target = target;
109        }
110
111        public GraphicsPrimitive traceWrap() {
112            return this;
113        }
114
115        public void FillSpans(SunGraphics2D sg2d, SurfaceData dest,
116                              SpanIterator si)
117        {
118            tracePrimitive(target);
119            target.FillSpans(sg2d, dest, si);
120        }
121    }
122}
123