modules/javafx.graphics/src/main/java/com/sun/prism/impl/shape/ShapeUtil.java

@@ -23,15 +23,18 @@
  * questions.
  */
 
 package com.sun.prism.impl.shape;
 
+import com.sun.javafx.geom.Path2D;
+import com.sun.javafx.geom.PathConsumer2D;
 import com.sun.javafx.geom.RectBounds;
 import com.sun.javafx.geom.Shape;
 import com.sun.javafx.geom.transform.BaseTransform;
 import com.sun.prism.BasicStroke;
 import com.sun.prism.impl.PrismSettings;
+import com.sun.prism.impl.PrismSettings.RasterizerType;
 
 public class ShapeUtil {
 
     private static final ShapeRasterizer shapeRasterizer;
     static {

@@ -59,10 +62,44 @@
                                           boolean close, boolean antialiasedShape)
     {
         return shapeRasterizer.getMaskData(shape, stroke, xformBounds, xform, close, antialiasedShape);
     }
 
+    public static Shape createCenteredStrokedShape(Shape s, BasicStroke stroke)
+    {
+        if (PrismSettings.rasterizerSpec == RasterizerType.DoubleMarlin) {
+            return DMarlinRasterizer.createCenteredStrokedShape(s, stroke);
+        }
+        if (PrismSettings.rasterizerSpec == RasterizerType.FloatMarlin) {
+            return MarlinRasterizer.createCenteredStrokedShape(s, stroke);
+        }
+        // JavaPisces fallback:
+        return createCenteredStrokedShapeOpenPisces(s, stroke);
+    }
+
+    private static Shape createCenteredStrokedShapeOpenPisces(Shape s, BasicStroke stroke)
+    {
+        final float lw = (stroke.getType() == BasicStroke.TYPE_CENTERED) ?
+                             stroke.getLineWidth() : stroke.getLineWidth() * 2.0f;
+
+        final Path2D p2d = new Path2D(Path2D.WIND_NON_ZERO);
+
+        PathConsumer2D pc2d =
+            new com.sun.openpisces.Stroker(p2d, lw, stroke.getEndCap(),
+                                                    stroke.getLineJoin(),
+                                                    stroke.getMiterLimit());
+
+        if (stroke.isDashed()) {
+            pc2d = new com.sun.openpisces.Dasher(pc2d, stroke.getDashArray(),
+                                                       stroke.getDashPhase());
+        }
+        com.sun.prism.impl.shape.OpenPiscesPrismUtils.feedConsumer(
+                s.getPathIterator(null), pc2d);
+
+        return p2d;
+    }
+
     /**
      * Private constructor to prevent instantiation.
      */
     private ShapeUtil() {
     }