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.impl.prism; 27 28 import java.util.Map; 29 import java.util.WeakHashMap; 30 import com.sun.glass.ui.Screen; 31 import com.sun.scenario.effect.FilterContext; 32 33 public class PrFilterContext extends FilterContext { 34 35 private static Screen defaultScreen; 36 private static final Map<Screen, PrFilterContext> ctxMap = 37 new WeakHashMap<Screen, PrFilterContext>(); 38 39 private static PrFilterContext printerFilterContext = null; 40 public static PrFilterContext getPrinterContext(Object resourceFactory) { 41 if (printerFilterContext == null) { 42 // Parameter is returned by FilterContext.getReferent() 43 printerFilterContext = new PrFilterContext(resourceFactory); 44 } 45 return printerFilterContext; 46 } 47 48 private PrFilterContext(Object screen) { 49 super(screen); 50 } 51 52 public static PrFilterContext getInstance(Screen screen) { 53 if (screen == null) { 54 throw new IllegalArgumentException("Screen must be non-null"); 55 } 56 PrFilterContext fctx = ctxMap.get(screen); 57 if (fctx == null) { 58 fctx = new PrFilterContext(screen); 59 ctxMap.put(screen, fctx); 60 } 61 return fctx; 62 } 63 64 public static PrFilterContext getDefaultInstance() { 65 if (defaultScreen == null) { 66 // NOTE: filter context may need to sign up for screen set config 67 // changes 68 defaultScreen = Screen.getMainScreen(); 69 } 70 return getInstance(defaultScreen); 71 } 72 }