org.apache.fop.render.java2d.ConfiguredFontCollection Maven / Gradle / Ivy
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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: ConfiguredFontCollection.java 1885366 2021-01-11 15:00:20Z ssteiner $ */
package org.apache.fop.render.java2d;
import java.io.InputStream;
import java.net.URI;
import java.util.List;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.fop.apps.io.InternalResourceResolver;
import org.apache.fop.fonts.CustomFont;
import org.apache.fop.fonts.EmbedFontInfo;
import org.apache.fop.fonts.FontCollection;
import org.apache.fop.fonts.FontInfo;
import org.apache.fop.fonts.FontLoader;
import org.apache.fop.fonts.FontTriplet;
import org.apache.fop.fonts.FontUris;
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 final InternalResourceResolver resourceResolver;
private final List embedFontInfoList;
private final boolean useComplexScripts;
/**
* Main constructor
* @param resourceResolver a font resolver
* @param customFonts the list of custom fonts
* @param useComplexScriptFeatures true if complex script features enabled
*/
public ConfiguredFontCollection(InternalResourceResolver resourceResolver,
List customFonts, boolean useComplexScriptFeatures) {
this.resourceResolver = resourceResolver;
this.embedFontInfoList = customFonts;
this.useComplexScripts = useComplexScriptFeatures;
}
/** {@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 (EmbedFontInfo configFontInfo : embedFontInfoList) {
internalName = "F" + num++;
try {
URI fontURI = configFontInfo.getEmbedURI();
FontMetricsMapper font;
URI metricsURI = configFontInfo.getMetricsURI();
// If the user specified an XML-based metrics file, we'll use it
// Otherwise, calculate metrics directly from the font file.
if (metricsURI != null) {
LazyFont fontMetrics = new LazyFont(configFontInfo, resourceResolver, useComplexScripts);
InputStream fontSource = resourceResolver.getResource(fontURI);
font = new CustomFontMetricsMapper(fontMetrics, fontSource);
} else {
FontUris fontUris = configFontInfo.getFontUris();
CustomFont fontMetrics = FontLoader.loadFont(fontUris, configFontInfo.getSubFontName(), true,
configFontInfo.getEmbeddingMode(), configFontInfo.getEncodingMode(),
configFontInfo.getKerning(), configFontInfo.getAdvanced(), resourceResolver,
configFontInfo.getSimulateStyle(), configFontInfo.getEmbedAsType1(),
configFontInfo.getUseSVG());
font = new CustomFontMetricsMapper(fontMetrics);
}
fontInfo.addMetrics(internalName, font);
for (FontTriplet triplet : configFontInfo.getFontTriplets()) {
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 '" + configFontInfo.getEmbedURI()
+ "'", e);
}
}
return num;
}
}