1 /* 2 * Copyright (c) 2008, 2013, 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.scenario.effect.Effect; 29 import com.sun.scenario.effect.FilterContext; 30 import com.sun.scenario.effect.ImageData; 31 import com.sun.scenario.effect.Merge; 32 import com.sun.scenario.effect.impl.EffectPeer; 33 import com.sun.scenario.effect.impl.Renderer; 34 import com.sun.javafx.geom.Rectangle; 35 import com.sun.javafx.geom.transform.BaseTransform; 36 import com.sun.prism.Graphics; 37 38 public class PrMergePeer extends EffectPeer { 39 40 public PrMergePeer(FilterContext fctx, Renderer r, String uniqueName) { 41 super(fctx, r, uniqueName); 42 } 43 44 @Override 45 public ImageData filter(Effect effect, 46 BaseTransform transform, 47 Rectangle outputClip, 48 ImageData... inputs) 49 { 50 FilterContext fctx = getFilterContext(); 51 Merge merge = (Merge)effect; 52 53 Rectangle unionbounds = merge.getResultBounds(transform, outputClip, inputs); 54 PrDrawable dst = (PrDrawable)getRenderer(). 55 getCompatibleImage(unionbounds.width, unionbounds.height); 56 if (dst == null) { 57 return new ImageData(fctx, null, unionbounds); 58 } 59 60 Graphics gdst = dst.createGraphics(); 61 for (ImageData input : inputs) { 62 PrEffectHelper.renderImageData(gdst, input, unionbounds); 63 } 64 65 return new ImageData(fctx, dst, unionbounds); 66 } 67 }