| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| /* $Id$ */ |
| |
| package org.apache.fop.svg; |
| |
| import java.awt.geom.AffineTransform; |
| import java.lang.reflect.Constructor; |
| |
| import org.apache.batik.bridge.Bridge; |
| import org.apache.batik.bridge.BridgeContext; |
| import org.apache.batik.bridge.DocumentLoader; |
| import org.apache.batik.bridge.UserAgent; |
| |
| import org.apache.xmlgraphics.image.loader.ImageManager; |
| import org.apache.xmlgraphics.image.loader.ImageSessionContext; |
| |
| import org.apache.fop.fonts.FontInfo; |
| |
| /** |
| * A FOP base implementation of a Batik BridgeContext. |
| */ |
| public abstract class AbstractFOPBridgeContext extends BridgeContext { |
| |
| /** the font list */ |
| protected final FontInfo fontInfo; |
| /** image manager */ |
| protected final ImageManager imageManager; |
| /** image session context */ |
| protected final ImageSessionContext imageSessionContext; |
| /** link transform */ |
| protected final AffineTransform linkTransform; |
| |
| /** |
| * Constructs a new bridge context. |
| * @param userAgent the user agent |
| * @param loader the Document Loader to use for referenced documents. |
| * @param fontInfo the font list for the text painter, may be null |
| * in which case text is painted as shapes |
| * @param imageManager an image manager |
| * @param imageSessionContext an image session context |
| * @param linkTransform AffineTransform to properly place links, |
| * may be null |
| */ |
| public AbstractFOPBridgeContext(UserAgent userAgent, |
| DocumentLoader loader, |
| FontInfo fontInfo, |
| ImageManager imageManager, |
| ImageSessionContext imageSessionContext, |
| AffineTransform linkTransform) { |
| super(userAgent, loader); |
| this.fontInfo = fontInfo; |
| this.imageManager = imageManager; |
| this.imageSessionContext = imageSessionContext; |
| this.linkTransform = linkTransform; |
| } |
| |
| /** |
| * Constructs a new bridge context. |
| * @param userAgent the user agent |
| * @param fontInfo the font list for the text painter, may be null |
| * in which case text is painted as shapes |
| * @param imageManager an image manager |
| * @param imageSessionContext an image session context |
| * @param linkTransform AffineTransform to properly place links, |
| * may be null |
| */ |
| public AbstractFOPBridgeContext(UserAgent userAgent, |
| FontInfo fontInfo, |
| ImageManager imageManager, |
| ImageSessionContext imageSessionContext, |
| AffineTransform linkTransform) { |
| super(userAgent); |
| this.fontInfo = fontInfo; |
| this.imageManager = imageManager; |
| this.imageSessionContext = imageSessionContext; |
| this.linkTransform = linkTransform; |
| } |
| |
| /** |
| * Constructs a new bridge context. |
| * @param userAgent the user agent |
| * @param fontInfo the font list for the text painter, may be null |
| * in which case text is painted as shapes |
| * @param imageManager an image manager |
| * @param imageSessionContext an image session context |
| */ |
| public AbstractFOPBridgeContext(UserAgent userAgent, |
| FontInfo fontInfo, |
| ImageManager imageManager, |
| ImageSessionContext imageSessionContext) { |
| this(userAgent, fontInfo, imageManager, imageSessionContext, null); |
| } |
| |
| /** |
| * Returns the ImageManager to be used by the ImageElementBridge. |
| * @return the image manager |
| */ |
| public ImageManager getImageManager() { |
| return this.imageManager; |
| } |
| |
| /** |
| * Returns the ImageSessionContext to be used by the ImageElementBridge. |
| * @return the image session context |
| */ |
| public ImageSessionContext getImageSessionContext() { |
| return this.imageSessionContext; |
| } |
| |
| /** |
| * @param className name of bridge class to load and construct |
| * @param testFor class name to test for presence |
| */ |
| protected void putElementBridgeConditional(String className, String testFor) { |
| try { |
| Class.forName(testFor); |
| //if we get here the test class is available |
| |
| Class clazz = Class.forName(className); |
| Constructor constructor = clazz.getConstructor(new Class[] {FontInfo.class}); |
| putBridge((Bridge)constructor.newInstance(new Object[] {fontInfo})); |
| } catch (Throwable t) { |
| //simply ignore (bridges instantiated over this method are optional) |
| } |
| } |
| |
| // Make sure any 'sub bridge contexts' also have our bridges. |
| //TODO There's no matching method in the super-class here |
| /** @return new bridge context */ |
| public abstract BridgeContext createBridgeContext(); |
| |
| } |