1 /*
   2  * Copyright (c) 2009, 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 package com.sun.prism.impl.shape;
  27 
  28 import com.sun.javafx.geom.Path2D;
  29 import com.sun.javafx.geom.PathConsumer2D;
  30 import com.sun.javafx.geom.RectBounds;
  31 import com.sun.javafx.geom.Shape;
  32 import com.sun.javafx.geom.transform.BaseTransform;
  33 import com.sun.prism.BasicStroke;
  34 import com.sun.prism.impl.PrismSettings;
  35 import com.sun.prism.impl.PrismSettings.RasterizerType;
  36 
  37 public class ShapeUtil {
  38 
  39     private static final ShapeRasterizer shapeRasterizer;
  40     static {
  41         switch (PrismSettings.rasterizerSpec) {
  42             case JavaPisces:
  43                 shapeRasterizer = new OpenPiscesRasterizer();
  44                 break;
  45             case NativePisces:
  46                 shapeRasterizer = new NativePiscesRasterizer();
  47                 break;
  48             case FloatMarlin:
  49                 shapeRasterizer = new MarlinRasterizer();
  50                 break;
  51             default:
  52             case DoubleMarlin:
  53                 shapeRasterizer = new DMarlinRasterizer();
  54                 break;
  55         }
  56     }
  57 
  58     public static MaskData rasterizeShape(Shape shape,
  59                                           BasicStroke stroke,
  60                                           RectBounds xformBounds,
  61                                           BaseTransform xform,
  62                                           boolean close, boolean antialiasedShape)
  63     {
  64         return shapeRasterizer.getMaskData(shape, stroke, xformBounds, xform, close, antialiasedShape);
  65     }
  66 
  67     public static Shape createCenteredStrokedShape(Shape s, BasicStroke stroke)
  68     {
  69         if (PrismSettings.rasterizerSpec == RasterizerType.DoubleMarlin) {
  70             return DMarlinRasterizer.createCenteredStrokedShape(s, stroke);
  71         }
  72         if (PrismSettings.rasterizerSpec == RasterizerType.FloatMarlin) {
  73             return MarlinRasterizer.createCenteredStrokedShape(s, stroke);
  74         }
  75         // JavaPisces fallback:
  76         return createCenteredStrokedShapeOpenPisces(s, stroke);
  77     }
  78 
  79     private static Shape createCenteredStrokedShapeOpenPisces(Shape s, BasicStroke stroke)
  80     {
  81         final float lw = (stroke.getType() == BasicStroke.TYPE_CENTERED) ?
  82                              stroke.getLineWidth() : stroke.getLineWidth() * 2.0f;
  83 
  84         final Path2D p2d = new Path2D(Path2D.WIND_NON_ZERO);
  85 
  86         PathConsumer2D pc2d =
  87             new com.sun.openpisces.Stroker(p2d, lw, stroke.getEndCap(),
  88                                                     stroke.getLineJoin(),
  89                                                     stroke.getMiterLimit());
  90 
  91         if (stroke.isDashed()) {
  92             pc2d = new com.sun.openpisces.Dasher(pc2d, stroke.getDashArray(),
  93                                                        stroke.getDashPhase());
  94         }
  95         com.sun.prism.impl.shape.OpenPiscesPrismUtils.feedConsumer(
  96                 s.getPathIterator(null), pc2d);
  97 
  98         return p2d;
  99     }
 100 
 101     /**
 102      * Private constructor to prevent instantiation.
 103      */
 104     private ShapeUtil() {
 105     }
 106 }