/*
* 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: ConfiguredFontCollection.java 1353186 2012-06-23 19:31:33Z gadams $ */
package org.apache.fop.render.java2d;
import java.util.List;
import javax.xml.transform.Source;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.fop.fonts.CustomFont;
import org.apache.fop.fonts.EmbedFontInfo;
import org.apache.fop.fonts.EncodingMode;
import org.apache.fop.fonts.FontCollection;
import org.apache.fop.fonts.FontInfo;
import org.apache.fop.fonts.FontLoader;
import org.apache.fop.fonts.FontManager;
import org.apache.fop.fonts.FontResolver;
import org.apache.fop.fonts.FontTriplet;
import org.apache.fop.fonts.LazyFont;
/**
* A java2d configured font collection
*/
public class ConfiguredFontCollection implements FontCollection {
private static Log log = LogFactory.getLog(ConfiguredFontCollection.class);
private FontResolver fontResolver;
private List/*<EmbedFontInfo>*/ embedFontInfoList;
/**
* Main constructor
* @param fontResolver a font resolver
* @param customFonts the list of custom fonts
* @param useComplexScriptFeatures true if complex script features enabled
*/
public ConfiguredFontCollection(FontResolver fontResolver,
List/*<EmbedFontInfo>*/ customFonts, boolean useComplexScriptFeatures) {
this.fontResolver = fontResolver;
if (this.fontResolver == null) {
//Ensure that we have minimal font resolution capabilities
this.fontResolver = FontManager.createMinimalFontResolver(useComplexScriptFeatures);
}
this.embedFontInfoList = customFonts;
}
/** {@inheritDoc} */
public int setup(int start, FontInfo fontInfo) {
int num = start;
if (embedFontInfoList == null || embedFontInfoList.size() < 1) {
log.debug("No user configured fonts found.");
return num;
}
String internalName = null;
for (int i = 0; i < embedFontInfoList.size(); i++) {
EmbedFontInfo configFontInfo = (EmbedFontInfo) embedFontInfoList.get(i);
String fontFile = configFontInfo.getEmbedFile();
internalName = "F" + num;
num++;
try {
FontMetricsMapper font = null;
String metricsUrl = configFontInfo.getMetricsFile();
// If the user specified an XML-based metrics file, we'll use it
// Otherwise, calculate metrics directly from the font file.
if (metricsUrl != null) {
LazyFont fontMetrics = new LazyFont(configFontInfo, fontResolver);
Source fontSource = fontResolver.resolve(configFontInfo.getEmbedFile());
font = new CustomFontMetricsMapper(fontMetrics, fontSource);
} else {
CustomFont fontMetrics = FontLoader.loadFont(
fontFile, null, true, configFontInfo.getEmbeddingMode(),
EncodingMode.AUTO,
configFontInfo.getKerning(),
configFontInfo.getAdvanced(), fontResolver);
font = new CustomFontMetricsMapper(fontMetrics);
}
fontInfo.addMetrics(internalName, font);
List<FontTriplet> triplets = configFontInfo.getFontTriplets();
for (int c = 0; c < triplets.size(); c++) {
FontTriplet triplet = (FontTriplet) triplets.get(c);
if (log.isDebugEnabled()) {
log.debug("Registering: " + triplet + " under " + internalName);
}
fontInfo.addFontProperties(internalName, triplet);
}
} catch (Exception e) {
log.warn("Unable to load custom font from file '" + fontFile + "'", e);
}
}
return num;
}
}