From: William Victor Mote Date: Tue, 12 Aug 2003 18:27:35 +0000 (+0000) Subject: move render.pdf.FontReader to fonts.FontReader X-Git-Tag: Root_Temp_KnuthStylePageBreaking~1211 X-Git-Url: https://source.dussan.org/?a=commitdiff_plain;h=33d8eb8cac1c473f570b2606cf253ab3b05d7e19;p=xmlgraphics-fop.git move render.pdf.FontReader to fonts.FontReader git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@196791 13f79535-47bb-0310-9956-ffa450edef68 --- diff --git a/src/java/org/apache/fop/fonts/FontReader.java b/src/java/org/apache/fop/fonts/FontReader.java new file mode 100644 index 000000000..6af3e9523 --- /dev/null +++ b/src/java/org/apache/fop/fonts/FontReader.java @@ -0,0 +1,318 @@ +/* + * $Id$ + * ============================================================================ + * 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 . For more information on the Apache + * Software Foundation, please see . + */ +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: + * 
+ * FontReader reader = new FontReader();
+ * reader.setFontEmbedPath();
+ * reader.useKerning(true);
+ * Font f = reader.getFont();
+ *
+ */ +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); + } + +} + + diff --git a/src/java/org/apache/fop/fonts/LazyFont.java b/src/java/org/apache/fop/fonts/LazyFont.java index 1e886e5a2..b18af07dc 100644 --- a/src/java/org/apache/fop/fonts/LazyFont.java +++ b/src/java/org/apache/fop/fonts/LazyFont.java @@ -54,7 +54,7 @@ package org.apache.fop.fonts; 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. diff --git a/src/java/org/apache/fop/render/pdf/FontReader.java b/src/java/org/apache/fop/render/pdf/FontReader.java deleted file mode 100644 index 5a917b574..000000000 --- a/src/java/org/apache/fop/render/pdf/FontReader.java +++ /dev/null @@ -1,325 +0,0 @@ -/* - * $Id: FontReader.java,v 1.8 2003/03/07 09:46:32 jeremias 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 . For more information on the Apache - * Software Foundation, please see . - */ -package org.apache.fop.render.pdf; - -//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; -import org.apache.fop.fonts.BFEntry; -import org.apache.fop.fonts.CIDFontType; -import org.apache.fop.fonts.CustomFont; -import org.apache.fop.fonts.Font; -import org.apache.fop.fonts.FontType; -import org.apache.fop.fonts.MultiByteFont; -import org.apache.fop.fonts.SingleByteFont; - -/** - * Class for reading a metric.xml file and creating a font object. - * Typical usage: - * 
- * FontReader reader = new FontReader();
- * reader.setFontEmbedPath();
- * reader.useKerning(true);
- * Font f = reader.getFont();
- *
- */ -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); - } - -} - -