/*
* 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: PrintRendererConfigurator.java 820672 2009-10-01 14:48:27Z jeremias $ */
package org.apache.fop.render;
import java.util.List;
import org.apache.avalon.framework.configuration.Configuration;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.fop.apps.FOPException;
import org.apache.fop.apps.FOUserAgent;
import org.apache.fop.apps.FopFactory;
import org.apache.fop.fonts.CustomFontCollection;
import org.apache.fop.fonts.EmbedFontInfo;
import org.apache.fop.fonts.FontCollection;
import org.apache.fop.fonts.FontEventAdapter;
import org.apache.fop.fonts.FontEventListener;
import org.apache.fop.fonts.FontInfo;
import org.apache.fop.fonts.FontInfoConfigurator;
import org.apache.fop.fonts.FontManager;
import org.apache.fop.fonts.FontResolver;
import org.apache.fop.fonts.base14.Base14FontCollection;
import org.apache.fop.render.intermediate.IFDocumentHandler;
import org.apache.fop.render.intermediate.IFDocumentHandlerConfigurator;
/**
* Base Print renderer configurator (mostly handles font configuration)
*/
public class PrintRendererConfigurator extends AbstractRendererConfigurator
implements RendererConfigurator, IFDocumentHandlerConfigurator {
/** logger instance */
protected static Log log = LogFactory.getLog(PrintRendererConfigurator.class);
/**
* Default constructor
* @param userAgent user agent
*/
public PrintRendererConfigurator(FOUserAgent userAgent) {
super(userAgent);
}
/**
* Builds a list of EmbedFontInfo objects for use with the setup() method.
*
* @param renderer print renderer
* @throws FOPException if something's wrong with the config data
*/
public void configure(Renderer renderer) throws FOPException {
Configuration cfg = getRendererConfig(renderer);
if (cfg == null) {
log.trace("no configuration found for " + renderer);
return;
}
PrintRenderer printRenderer = (PrintRenderer)renderer;
FontResolver fontResolver = printRenderer.getFontResolver();
FontEventListener listener = new FontEventAdapter(
renderer.getUserAgent().getEventBroadcaster());
List/*<EmbedFontInfo>*/ embedFontInfoList = buildFontList(cfg, fontResolver, listener);
printRenderer.addFontList(embedFontInfoList);
}
/**
* Builds the font list from configuration.
* @param cfg the configuration object
* @param fontResolver a font resolver
* @param listener the font event listener
* @return the list of {@link EmbedFontInfo} objects
* @throws FOPException if an error occurs while processing the configuration
*/
protected List/*<EmbedFontInfo>*/ buildFontList(Configuration cfg, FontResolver fontResolver,
FontEventListener listener) throws FOPException {
FopFactory factory = userAgent.getFactory();
FontManager fontManager = factory.getFontManager();
if (fontResolver == null) {
//Ensure that we have minimal font resolution capabilities
fontResolver = FontManager.createMinimalFontResolver();
}
boolean strict = factory.validateUserConfigStrictly();
//Read font configuration
FontInfoConfigurator fontInfoConfigurator
= new FontInfoConfigurator(cfg, fontManager, fontResolver, listener, strict);
List/*<EmbedFontInfo>*/ fontInfoList = new java.util.ArrayList/*<EmbedFontInfo>*/();
fontInfoConfigurator.configure(fontInfoList);
return fontInfoList;
}
// ---=== IFDocumentHandler configuration ===---
/** {@inheritDoc} */
public void configure(IFDocumentHandler documentHandler) throws FOPException {
//nop
}
/** {@inheritDoc} */
public void setupFontInfo(IFDocumentHandler documentHandler, FontInfo fontInfo)
throws FOPException {
FontManager fontManager = userAgent.getFactory().getFontManager();
List fontCollections = new java.util.ArrayList();
fontCollections.add(new Base14FontCollection(fontManager.isBase14KerningEnabled()));
Configuration cfg = super.getRendererConfig(documentHandler.getMimeType());
if (cfg != null) {
FontResolver fontResolver = new DefaultFontResolver(userAgent);
FontEventListener listener = new FontEventAdapter(
userAgent.getEventBroadcaster());
List fontList = buildFontList(cfg, fontResolver, listener);
fontCollections.add(new CustomFontCollection(fontResolver, fontList));
}
fontManager.setup(fontInfo,
(FontCollection[])fontCollections.toArray(
new FontCollection[fontCollections.size()]));
documentHandler.setFontInfo(fontInfo);
}
}