From 8c1aba3f976127d33ec50b67d760f56364c08487 Mon Sep 17 00:00:00 2001
From: Jeremias Maerki <jeremias@apache.org>
Date: Mon, 28 May 2007 14:31:24 +0000
Subject: Bugzilla #41831: - Add support font auto-detection (easier font
 configuration) including a font cache to speed up the auto-detection process.
 - Refactoring of the configuration code: All Avalon configuration stuff is
 extracted into separate "Configurator" classes. - Refactoring of the
 FOURIResolver. Submitted by: Adrian Cumiskey <fop-dev.at.cumiskey.com>

Changes to the patch by jeremias during the review:
- Font cache simplified (Java object serialization instead of XML), functionality fixed and moved to the fonts.package.
- Relocated default cache file location to user directory.
- Fixed the font configuration for PDFDocumentGraphics2D/PDFTranscoder that got lost with the patch.
- Fixed a problem with having a non-file URL as font base URL.
- Simplified RendererContextInfo stuff to make it easier to understand.
- Fixed handling of Type 1 fonts in auto-detection.
- Reduced verbosity of font-related log output.
- Updated Jakarta Commons IO to version 1.3.1 (the patch depends on it)
- Various javadocs improvements

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@542237 13f79535-47bb-0310-9956-ffa450edef68
---
 .../fop/render/pdf/PDFRendererConfigurator.java    | 134 +++++++++++++++++++++
 1 file changed, 134 insertions(+)
 create mode 100644 src/java/org/apache/fop/render/pdf/PDFRendererConfigurator.java

(limited to 'src/java/org/apache/fop/render/pdf/PDFRendererConfigurator.java')

diff --git a/src/java/org/apache/fop/render/pdf/PDFRendererConfigurator.java b/src/java/org/apache/fop/render/pdf/PDFRendererConfigurator.java
new file mode 100644
index 000000000..5c5894d3b
--- /dev/null
+++ b/src/java/org/apache/fop/render/pdf/PDFRendererConfigurator.java
@@ -0,0 +1,134 @@
+/*
+ * 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.render.pdf;
+
+import java.util.List;
+import java.util.Map;
+
+import org.apache.avalon.framework.configuration.Configuration;
+import org.apache.avalon.framework.configuration.ConfigurationException;
+import org.apache.fop.apps.FOPException;
+import org.apache.fop.apps.FOUserAgent;
+import org.apache.fop.pdf.PDFAMode;
+import org.apache.fop.pdf.PDFFilterList;
+import org.apache.fop.pdf.PDFXMode;
+import org.apache.fop.render.PrintRendererConfigurator;
+import org.apache.fop.render.Renderer;
+import org.apache.fop.util.LogUtil;
+
+/**
+ * PDF renderer configurator 
+ */
+public class PDFRendererConfigurator extends PrintRendererConfigurator {
+
+    /**
+     * Default constructor
+     * @param userAgent user agent
+     */
+    public PDFRendererConfigurator(FOUserAgent userAgent) {
+        super(userAgent);
+    }
+
+    /**
+     * Configure the PDF renderer.
+     * Get the configuration to be used for pdf stream filters,
+     * fonts etc.
+     * @param renderer pdf renderer
+     * @throws FOPException fop exception
+     */
+    public void configure(Renderer renderer) throws FOPException {
+        Configuration cfg = super.getRendererConfig(renderer);
+        if (cfg != null) {
+            PDFRenderer pdfRenderer = (PDFRenderer)renderer;
+            //PDF filters
+            try {
+                Map filterMap = buildFilterMapFromConfiguration(cfg);
+                if (filterMap != null) {
+                    pdfRenderer.setFilterMap(filterMap);
+                }
+            } catch (ConfigurationException e) {
+                LogUtil.handleException(log, e, false);
+            }
+    
+            super.configure(renderer);
+    
+            String s = cfg.getChild(PDFRenderer.PDF_A_MODE, true).getValue(null);
+            if (s != null) {
+                pdfRenderer.setAMode(PDFAMode.valueOf(s));
+            }
+            s = cfg.getChild(PDFRenderer.PDF_X_MODE, true).getValue(null);
+            if (s != null) {
+                pdfRenderer.setXMode(PDFXMode.valueOf(s));
+            }
+            s = cfg.getChild(PDFRenderer.KEY_OUTPUT_PROFILE, true).getValue(null);
+            if (s != null) {
+                pdfRenderer.setOutputProfileURI(s);
+            }
+        }
+    }
+
+    /**
+     * Builds a filter map from an Avalon Configuration object.
+     * @param cfg the Configuration object
+     * @return Map the newly built filter map
+     * @throws ConfigurationException if a filter list is defined twice
+     */
+    public static Map buildFilterMapFromConfiguration(Configuration cfg) 
+                throws ConfigurationException {
+        Map filterMap = new java.util.HashMap();
+        Configuration[] filterLists = cfg.getChildren("filterList");
+        for (int i = 0; i < filterLists.length; i++) {
+            Configuration filters = filterLists[i];
+            String type = filters.getAttribute("type", null);
+            Configuration[] filt = filters.getChildren("value");
+            List filterList = new java.util.ArrayList();
+            for (int j = 0; j < filt.length; j++) {
+                String name = filt[j].getValue();
+                filterList.add(name);
+            }
+            
+            if (type == null) {
+                type = PDFFilterList.DEFAULT_FILTER;
+            }
+    
+            if (!filterList.isEmpty() && log.isDebugEnabled()) {
+                StringBuffer debug = new StringBuffer("Adding PDF filter");
+                if (filterList.size() != 1) {
+                    debug.append("s");
+                }
+                debug.append(" for type ").append(type).append(": ");
+                for (int j = 0; j < filterList.size(); j++) {
+                    if (j != 0) {
+                        debug.append(", ");
+                    }
+                    debug.append(filterList.get(j));
+                }
+                log.debug(debug.toString());
+            }
+            
+            if (filterMap.get(type) != null) {
+                throw new ConfigurationException("A filterList of type '" 
+                    + type + "' has already been defined");
+            }
+            filterMap.put(type, filterList);
+        }
+        return filterMap;                
+    }
+}
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