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Posted to fop-commits@xmlgraphics.apache.org by vm...@apache.org on 2003/08/12 20:27:35 UTC
cvs commit: xml-fop/src/java/org/apache/fop/render/pdf FontReader.java
vmote 2003/08/12 11:27:35
Modified: src/java/org/apache/fop/fonts LazyFont.java
Added: src/java/org/apache/fop/fonts FontReader.java
Removed: src/java/org/apache/fop/render/pdf FontReader.java
Log:
move render.pdf.FontReader to fonts.FontReader
Revision Changes Path
1.3 +1 -1 xml-fop/src/java/org/apache/fop/fonts/LazyFont.java
Index: LazyFont.java
===================================================================
RCS file: /home/cvs/xml-fop/src/java/org/apache/fop/fonts/LazyFont.java,v
retrieving revision 1.2
retrieving revision 1.3
diff -u -r1.2 -r1.3
--- LazyFont.java 15 Mar 2003 16:50:56 -0000 1.2
+++ LazyFont.java 12 Aug 2003 18:27:35 -0000 1.3
@@ -54,7 +54,7 @@
import java.util.Map;
//FOP
-import org.apache.fop.render.pdf.FontReader;
+
/**
* This class is used to defer the loading of a font until it is really used.
1.1 xml-fop/src/java/org/apache/fop/fonts/FontReader.java
Index: FontReader.java
===================================================================
/*
* $Id: FontReader.java,v 1.1 2003/08/12 18:27:35 vmote Exp $
* ============================================================================
* The Apache Software License, Version 1.1
* ============================================================================
*
* Copyright (C) 1999-2003 The Apache Software Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modifica-
* tion, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. The end-user documentation included with the redistribution, if any, must
* include the following acknowledgment: "This product includes software
* developed by the Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself, if
* and wherever such third-party acknowledgments normally appear.
*
* 4. The names "FOP" and "Apache Software Foundation" must not be used to
* endorse or promote products derived from this software without prior
* written permission. For written permission, please contact
* apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache", nor may
* "Apache" appear in their name, without prior written permission of the
* Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU-
* DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* ============================================================================
*
* This software consists of voluntary contributions made by many individuals
* on behalf of the Apache Software Foundation and was originally created by
* James Tauber <jt...@jtauber.com>. For more information on the Apache
* Software Foundation, please see <http://www.apache.org/>.
*/
package org.apache.fop.fonts;
//Java
import java.util.List;
import java.util.Map;
import java.io.IOException;
import javax.xml.parsers.SAXParserFactory;
//SAX
import org.xml.sax.XMLReader;
import org.xml.sax.SAXException;
import org.xml.sax.Locator;
import org.xml.sax.Attributes;
import org.xml.sax.helpers.DefaultHandler;
//FOP
import org.apache.fop.apps.FOPException;
/**
* Class for reading a metric.xml file and creating a font object.
* Typical usage:
* <pre>
* FontReader reader = new FontReader(<path til metrics.xml>);
* reader.setFontEmbedPath(<path to a .ttf or .pfb file or null to diable embedding>);
* reader.useKerning(true);
* Font f = reader.getFont();
* </pre>
*/
public class FontReader extends DefaultHandler {
private Locator locator = null;
private boolean isCID = false;
private CustomFont returnFont = null;
private MultiByteFont multiFont = null;
private SingleByteFont singleFont = null;
private StringBuffer text = new StringBuffer();
private List cidWidths = null;
private int cidWidthIndex = 0;
private Map currentKerning = null;
private List bfranges = null;
private void createFont(String path) throws FOPException {
XMLReader parser = null;
try {
final SAXParserFactory factory = javax.xml.parsers.SAXParserFactory.newInstance();
factory.setNamespaceAware(true);
parser = factory.newSAXParser().getXMLReader();
} catch (Exception e) {
throw new FOPException(e);
}
if (parser == null) {
throw new FOPException("Unable to create SAX parser");
}
try {
parser.setFeature("http://xml.org/sax/features/namespace-prefixes",
false);
} catch (SAXException e) {
throw new FOPException("You need a SAX parser which supports SAX version 2",
e);
}
parser.setContentHandler(this);
try {
parser.parse(path);
} catch (SAXException e) {
throw new FOPException(e);
} catch (IOException e) {
throw new FOPException(e);
}
}
/**
* Sets the path to embed a font. A null value disables font embedding.
* @param path URI for the embeddable file
*/
public void setFontEmbedPath(String path) {
returnFont.setEmbedFileName(path);
}
/**
* Enable/disable use of kerning for the font
* @param enabled true to enable kerning, false to disable
*/
public void setKerningEnabled(boolean enabled) {
returnFont.setKerningEnabled(enabled);
}
/**
* Get the generated font object
* @return the font
*/
public Font getFont() {
return returnFont;
}
/**
* Construct a FontReader object from a path to a metric.xml file
* and read metric data
* @param path URI to the font metric file
* @throws FOPException if loading the font fails
*/
public FontReader(String path) throws FOPException {
createFont(path);
}
/**
* @see org.xml.sax.ContentHandler#startDocument()
*/
public void startDocument() {
}
/**
* @see org.xml.sax.ContentHandler#setDocumentLocator(Locator)
*/
public void setDocumentLocator(Locator locator) {
this.locator = locator;
}
/**
* @see org.xml.sax.ContentHandler#startElement(String, String, String, Attributes)
*/
public void startElement(String uri, String localName, String qName,
Attributes attributes) {
if (localName.equals("font-metrics")) {
if ("TYPE0".equals(attributes.getValue("type"))) {
multiFont = new MultiByteFont();
returnFont = multiFont;
isCID = true;
} else if ("TRUETYPE".equals(attributes.getValue("type"))) {
singleFont = new SingleByteFont();
singleFont.setFontType(FontType.TRUETYPE);
returnFont = singleFont;
isCID = false;
} else {
singleFont = new SingleByteFont();
singleFont.setFontType(FontType.TYPE1);
returnFont = singleFont;
isCID = false;
}
} else if ("embed".equals(localName)) {
returnFont.setEmbedFileName(attributes.getValue("file"));
returnFont.setEmbedResourceName(attributes.getValue("class"));
} else if ("cid-widths".equals(localName)) {
cidWidthIndex = getInt(attributes.getValue("start-index"));
cidWidths = new java.util.ArrayList();
} else if ("kerning".equals(localName)) {
currentKerning = new java.util.HashMap();
returnFont.putKerningEntry(new Integer(attributes.getValue("kpx1")),
currentKerning);
} else if ("bfranges".equals(localName)) {
bfranges = new java.util.ArrayList();
} else if ("bf".equals(localName)) {
BFEntry entry = new BFEntry(getInt(attributes.getValue("us")),
getInt(attributes.getValue("ue")),
getInt(attributes.getValue("gi")));
bfranges.add(entry);
} else if ("wx".equals(localName)) {
cidWidths.add(new Integer(attributes.getValue("w")));
} else if ("widths".equals(localName)) {
//singleFont.width = new int[256];
} else if ("char".equals(localName)) {
try {
singleFont.setWidth(Integer.parseInt(attributes.getValue("idx")),
Integer.parseInt(attributes.getValue("wdt")));
} catch (NumberFormatException ne) {
System.out.println("Malformed width in metric file: "
+ ne.getMessage());
}
} else if ("pair".equals(localName)) {
currentKerning.put(new Integer(attributes.getValue("kpx2")),
new Integer(attributes.getValue("kern")));
}
}
private int getInt(String str) {
int ret = 0;
try {
ret = Integer.parseInt(str);
} catch (Exception e) {
/**@todo log this exception */
}
return ret;
}
/**
* @see org.xml.sax.ContentHandler#endElement(String, String, String)
*/
public void endElement(String uri, String localName, String qName) {
if ("font-name".equals(localName)) {
returnFont.setFontName(text.toString());
} else if ("ttc-name".equals(localName) && isCID) {
multiFont.setTTCName(text.toString());
} else if ("cap-height".equals(localName)) {
returnFont.setCapHeight(getInt(text.toString()));
} else if ("x-height".equals(localName)) {
returnFont.setXHeight(getInt(text.toString()));
} else if ("ascender".equals(localName)) {
returnFont.setAscender(getInt(text.toString()));
} else if ("descender".equals(localName)) {
returnFont.setDescender(getInt(text.toString()));
} else if ("left".equals(localName)) {
int[] bbox = returnFont.getFontBBox();
bbox[0] = getInt(text.toString());
returnFont.setFontBBox(bbox);
} else if ("bottom".equals(localName)) {
int[] bbox = returnFont.getFontBBox();
bbox[1] = getInt(text.toString());
returnFont.setFontBBox(bbox);
} else if ("right".equals(localName)) {
int[] bbox = returnFont.getFontBBox();
bbox[2] = getInt(text.toString());
returnFont.setFontBBox(bbox);
} else if ("top".equals(localName)) {
int[] bbox = returnFont.getFontBBox();
bbox[3] = getInt(text.toString());
returnFont.setFontBBox(bbox);
} else if ("first-char".equals(localName)) {
returnFont.setFirstChar(getInt(text.toString()));
} else if ("last-char".equals(localName)) {
returnFont.setLastChar(getInt(text.toString()));
} else if ("flags".equals(localName)) {
returnFont.setFlags(getInt(text.toString()));
} else if ("stemv".equals(localName)) {
returnFont.setStemV(getInt(text.toString()));
} else if ("italic-angle".equals(localName)) {
returnFont.setItalicAngle(getInt(text.toString()));
} else if ("missing-width".equals(localName)) {
returnFont.setMissingWidth(getInt(text.toString()));
} else if ("cid-type".equals(localName)) {
multiFont.setCIDType(CIDFontType.byName(text.toString()));
} else if ("default-width".equals(localName)) {
multiFont.setDefaultWidth(getInt(text.toString()));
} else if ("cid-widths".equals(localName)) {
int[] wds = new int[cidWidths.size()];
int j = 0;
for (int count = 0; count < cidWidths.size(); count++) {
Integer i = (Integer)cidWidths.get(count);
wds[j++] = i.intValue();
}
//multiFont.addCIDWidthEntry(cidWidthIndex, wds);
multiFont.setWidthArray(wds);
} else if ("bfranges".equals(localName)) {
multiFont.setBFEntries((BFEntry[])bfranges.toArray(new BFEntry[0]));
}
text.setLength(0); //Reset text buffer (see characters())
}
/**
* @see org.xml.sax.ContentHandler#characters(char[], int, int)
*/
public void characters(char[] ch, int start, int length) {
text.append(ch, start, length);
}
}
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