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- /*
- * 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.fop.fonts.FontInfo;
- import org.apache.xmlgraphics.image.loader.ImageManager;
- import org.apache.xmlgraphics.image.loader.ImageSessionContext;
-
- /**
- * A FOP base implementation of a Batik BridgeContext.
- */
- public abstract class AbstractFOPBridgeContext extends BridgeContext {
-
- /** The font list. */
- protected final FontInfo fontInfo;
-
- protected final ImageManager imageManager;
- protected final ImageSessionContext imageSessionContext;
-
- 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 linkTransform AffineTransform to properly place links,
- * may be null
- * @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;
- }
-
- 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
- public abstract BridgeContext createBridgeContext();
-
- }
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