1 /*
   2  * Copyright (c) 2010, 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 sun.java2d.jules;
  27 
  28 import java.awt.*;
  29 import sun.awt.*;
  30 import sun.java2d.*;
  31 import sun.java2d.pipe.*;
  32 import sun.java2d.xr.*;
  33 
  34 public class JulesShapePipe implements ShapeDrawPipe {
  35 
  36     XRCompositeManager compMan;
  37     JulesPathBuf buf = new JulesPathBuf();
  38 
  39     public JulesShapePipe(XRCompositeManager compMan) {
  40         this.compMan = compMan;
  41     }
  42 
  43     /**
  44      * Common validate method, used by all XRRender functions to validate the
  45      * destination context.
  46      */
  47     private void validateSurface(SunGraphics2D sg2d) {
  48         XRSurfaceData xrsd = (XRSurfaceData) sg2d.surfaceData;
  49         xrsd.validateAsDestination(sg2d, sg2d.getCompClip());
  50         xrsd.maskBuffer.validateCompositeState(sg2d.composite, sg2d.transform,
  51                                                sg2d.paint, sg2d);
  52     }
  53 
  54     public void draw(SunGraphics2D sg2d, Shape s) {
  55         try {
  56             SunToolkit.awtLock();
  57             validateSurface(sg2d);
  58             XRSurfaceData xrsd = (XRSurfaceData) sg2d.surfaceData;
  59 
  60             BasicStroke bs;
  61 
  62             if (sg2d.stroke instanceof BasicStroke) {
  63                 bs = (BasicStroke) sg2d.stroke;
  64             } else { //TODO: What happens in the case of a !BasicStroke??
  65                 s = sg2d.stroke.createStrokedShape(s);
  66                 bs = null;
  67             }
  68 
  69             boolean adjust =
  70                 (bs != null && sg2d.strokeHint != SunHints.INTVAL_STROKE_PURE);
  71             boolean thin = (sg2d.strokeState <= SunGraphics2D.STROKE_THINDASHED);
  72 
  73             TrapezoidList traps =
  74                  buf.tesselateStroke(s, bs, thin, adjust, true,
  75                                      sg2d.transform, sg2d.getCompClip());
  76             compMan.XRCompositeTraps(xrsd.picture,
  77                                      sg2d.transX, sg2d.transY, traps);
  78 
  79             buf.clear();
  80 
  81         } finally {
  82             SunToolkit.awtUnlock();
  83         }
  84     }
  85 
  86     public void fill(SunGraphics2D sg2d, Shape s) {
  87         try {
  88             SunToolkit.awtLock();
  89             validateSurface(sg2d);
  90 
  91             XRSurfaceData xrsd = (XRSurfaceData) sg2d.surfaceData;
  92 
  93             TrapezoidList traps = buf.tesselateFill(s, sg2d.transform,
  94                                                     sg2d.getCompClip());
  95             compMan.XRCompositeTraps(xrsd.picture, 0, 0, traps);
  96 
  97             buf.clear();
  98         } finally {
  99             SunToolkit.awtUnlock();
 100         }
 101     }
 102 }