1 /*
   2  * Copyright (c) 2009, 2014, 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.scenario.effect.impl.prism;
  27 
  28 import com.sun.javafx.geom.BaseBounds;
  29 import com.sun.javafx.geom.Rectangle;
  30 import com.sun.javafx.geom.transform.BaseTransform;
  31 import com.sun.prism.Graphics;
  32 import com.sun.prism.paint.Paint;
  33 import com.sun.scenario.effect.Effect;
  34 import com.sun.scenario.effect.FilterContext;
  35 import com.sun.scenario.effect.Flood;
  36 import com.sun.scenario.effect.ImageData;
  37 import com.sun.scenario.effect.impl.EffectPeer;
  38 import com.sun.scenario.effect.impl.Renderer;
  39 import com.sun.scenario.effect.impl.state.RenderState;
  40 
  41 public class PrFloodPeer extends EffectPeer {
  42 
  43     public PrFloodPeer(FilterContext fctx, Renderer r, String uniqueName) {
  44         super(fctx, r, uniqueName);
  45     }
  46 
  47     @Override
  48     public ImageData filter(Effect effect,
  49                             RenderState rstate,
  50                             BaseTransform transform,
  51                             Rectangle outputClip,
  52                             ImageData... inputs)
  53     {
  54         FilterContext fctx = getFilterContext();
  55         Flood flood = (Flood)effect;
  56         BaseBounds floodBounds = flood.getFloodBounds();
  57         int fx = (int)floodBounds.getMinX();
  58         int fy = (int)floodBounds.getMinY();
  59         int fw = (int)floodBounds.getWidth();
  60         int fh = (int)floodBounds.getHeight();
  61 
  62         BaseBounds fullBounds = Effect.transformBounds(transform, floodBounds);
  63         Rectangle tmp = new Rectangle(fullBounds);
  64         tmp.intersectWith(outputClip);
  65         int w = tmp.width;
  66         int h = tmp.height;
  67         PrDrawable dst = (PrDrawable)getRenderer().getCompatibleImage(w, h);
  68         if (dst != null) {
  69             Graphics gdst = dst.createGraphics();
  70             gdst.translate(-tmp.x, -tmp.y);
  71             if (transform != null && !transform.isIdentity()) {
  72                 gdst.transform(transform);
  73             }
  74             gdst.setPaint((Paint)flood.getPaint());
  75             gdst.fillQuad(fx, fy, fx+fw, fy+fh);
  76         }
  77 
  78         return new ImageData(fctx, dst, tmp);
  79     }
  80 }