jdk/src/share/classes/sun/java2d/loops/DrawPath.java
changeset 2 90ce3da70b43
child 5506 202f599c92aa
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/share/classes/sun/java2d/loops/DrawPath.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,114 @@
+/*
+ * Copyright 2005-2006 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+package sun.java2d.loops;
+
+import sun.java2d.loops.GraphicsPrimitive;
+import sun.java2d.SunGraphics2D;
+import sun.java2d.SurfaceData;
+import java.awt.geom.Path2D;
+
+/**
+ *   DrawPath
+ *   1. draw single-width line path onto destination surface
+ *   2. must accept output area [x, y, dx, dy]
+ *      from within the surface description data for clip rect
+ */
+public class DrawPath extends GraphicsPrimitive {
+
+    public final static String methodSignature =
+        "DrawPath(...)".toString();
+
+    public final static int primTypeID = makePrimTypeID();
+
+    public static DrawPath locate(SurfaceType srctype,
+                                  CompositeType comptype,
+                                  SurfaceType dsttype)
+    {
+        return (DrawPath)
+            GraphicsPrimitiveMgr.locate(primTypeID,
+                                        srctype, comptype, dsttype);
+    }
+
+    protected DrawPath(SurfaceType srctype,
+                       CompositeType comptype,
+                       SurfaceType dsttype)
+    {
+        super(methodSignature, primTypeID,
+              srctype, comptype, dsttype);
+    }
+
+    public DrawPath(long pNativePrim,
+                    SurfaceType srctype,
+                    CompositeType comptype,
+                    SurfaceType dsttype)
+    {
+        super(pNativePrim, methodSignature, primTypeID,
+              srctype, comptype, dsttype);
+    }
+
+
+    /**
+     *   All DrawPath implementors must have this invoker method
+     */
+    public native void DrawPath(SunGraphics2D sg2d, SurfaceData sData,
+                                int transX, int transY,
+                                Path2D.Float p2df);
+
+    public GraphicsPrimitive makePrimitive(SurfaceType srctype,
+                                           CompositeType comptype,
+                                           SurfaceType dsttype)
+    {
+        throw new InternalError("DrawPath not implemented for "+
+                                srctype+" with "+comptype);
+    }
+
+    public GraphicsPrimitive traceWrap() {
+        return new TraceDrawPath(this);
+    }
+
+    private static class TraceDrawPath extends DrawPath {
+        DrawPath target;
+
+        public TraceDrawPath(DrawPath target) {
+            super(target.getSourceType(),
+                  target.getCompositeType(),
+                  target.getDestType());
+            this.target = target;
+        }
+
+        public GraphicsPrimitive traceWrap() {
+            return this;
+        }
+
+        public void DrawPath(SunGraphics2D sg2d, SurfaceData sData,
+                             int transX, int transY,
+                             Path2D.Float p2df)
+        {
+            tracePrimitive(target);
+            target.DrawPath(sg2d, sData, transX, transY, p2df);
+        }
+    }
+}