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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).
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25 
26 package sun.java2d.loops;
27 
28 import sun.java2d.loops.GraphicsPrimitive;
29 import sun.java2d.SunGraphics2D;
30 import sun.java2d.SurfaceData;
31 import java.awt.geom.Path2D;
32 
33 /**
34  *   DrawPath
35  *   1. draw single-width line path onto destination surface
36  *   2. must accept output area [x, y, dx, dy]
37  *      from within the surface description data for clip rect
38  */
39 public class DrawPath extends GraphicsPrimitive {
40 
41     public static final String methodSignature =
42         "DrawPath(...)".toString();
43 
44     public static final int primTypeID = makePrimTypeID();
45 
locate(SurfaceType srctype, CompositeType comptype, SurfaceType dsttype)46     public static DrawPath locate(SurfaceType srctype,
47                                   CompositeType comptype,
48                                   SurfaceType dsttype)
49     {
50         return (DrawPath)
51             GraphicsPrimitiveMgr.locate(primTypeID,
52                                         srctype, comptype, dsttype);
53     }
54 
DrawPath(SurfaceType srctype, CompositeType comptype, SurfaceType dsttype)55     protected DrawPath(SurfaceType srctype,
56                        CompositeType comptype,
57                        SurfaceType dsttype)
58     {
59         super(methodSignature, primTypeID,
60               srctype, comptype, dsttype);
61     }
62 
DrawPath(long pNativePrim, SurfaceType srctype, CompositeType comptype, SurfaceType dsttype)63     public DrawPath(long pNativePrim,
64                     SurfaceType srctype,
65                     CompositeType comptype,
66                     SurfaceType dsttype)
67     {
68         super(pNativePrim, methodSignature, primTypeID,
69               srctype, comptype, dsttype);
70     }
71 
72 
73     /**
74      *   All DrawPath implementors must have this invoker method
75      */
DrawPath(SunGraphics2D sg2d, SurfaceData sData, int transX, int transY, Path2D.Float p2df)76     public native void DrawPath(SunGraphics2D sg2d, SurfaceData sData,
77                                 int transX, int transY,
78                                 Path2D.Float p2df);
79 
makePrimitive(SurfaceType srctype, CompositeType comptype, SurfaceType dsttype)80     public GraphicsPrimitive makePrimitive(SurfaceType srctype,
81                                            CompositeType comptype,
82                                            SurfaceType dsttype)
83     {
84         throw new InternalError("DrawPath not implemented for "+
85                                 srctype+" with "+comptype);
86     }
87 
traceWrap()88     public GraphicsPrimitive traceWrap() {
89         return new TraceDrawPath(this);
90     }
91 
92     private static class TraceDrawPath extends DrawPath {
93         DrawPath target;
94 
TraceDrawPath(DrawPath target)95         public TraceDrawPath(DrawPath target) {
96             super(target.getSourceType(),
97                   target.getCompositeType(),
98                   target.getDestType());
99             this.target = target;
100         }
101 
traceWrap()102         public GraphicsPrimitive traceWrap() {
103             return this;
104         }
105 
DrawPath(SunGraphics2D sg2d, SurfaceData sData, int transX, int transY, Path2D.Float p2df)106         public void DrawPath(SunGraphics2D sg2d, SurfaceData sData,
107                              int transX, int transY,
108                              Path2D.Float p2df)
109         {
110             tracePrimitive(target);
111             target.DrawPath(sg2d, sData, transX, transY, p2df);
112         }
113     }
114 }
115