1 /* 2 * Copyright (c) 2009, 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; 27 28 /** 29 * An implementation supertype for both Gaussian and Box filter based 30 * shadows to facilitate their conditional usage inside the various 31 * composite shadow effects like DropShadow and InnerShadow. 32 * 33 * The radius, width and height parameters all refer to the corresponding 34 * dimension that a "Gaussian" blur filter would use - other shadow 35 * implementations will have to use whatever parameters produce a 36 * similar effect. 37 * The width and height parameters should relate to the radius parameter 38 * by the equation {@code w,h = 2 * r + 1} and if the width and height are 39 * set to something different then the radius parameter will be an average 40 * of the corresponding individual dimensional radius values. 41 */ 42 public abstract class AbstractShadow extends LinearConvolveCoreEffect { 43 public AbstractShadow(Effect input) { 44 super(input); 45 } 46 47 public enum ShadowMode { 48 ONE_PASS_BOX, 49 TWO_PASS_BOX, 50 THREE_PASS_BOX, 51 GAUSSIAN, 52 } 53 54 public abstract ShadowMode getMode(); 55 public abstract AbstractShadow implFor(ShadowMode m); 56 public abstract float getGaussianRadius(); 57 public abstract void setGaussianRadius(float r); 58 public abstract float getGaussianWidth(); 59 public abstract void setGaussianWidth(float w); 60 public abstract float getGaussianHeight(); 61 public abstract void setGaussianHeight(float h); 62 public abstract float getSpread(); 63 public abstract void setSpread(float spread); 64 public abstract Color4f getColor(); 65 public abstract void setColor(Color4f c); 66 public abstract Effect getInput(); 67 public abstract void setInput(Effect input); 68 }