Java tutorial
/* * $Id: FontFactoryImp.java 3548 2008-07-12 11:15:35Z blowagie $ * * Copyright 2002 by Bruno Lowagie. * * The contents of this file are subject to the Mozilla Public License Version 1.1 * (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.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS IS" basis, * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License * for the specific language governing rights and limitations under the License. * * The Original Code is 'iText, a free JAVA-PDF library'. * * The Initial Developer of the Original Code is Bruno Lowagie. Portions created by * the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie. * All Rights Reserved. * Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer * are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved. * * Contributor(s): all the names of the contributors are added in the source code * where applicable. * * Alternatively, the contents of this file may be used under the terms of the * LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the * provisions of LGPL are applicable instead of those above. If you wish to * allow use of your version of this file only under the terms of the LGPL * License and not to allow others to use your version of this file under * the MPL, indicate your decision by deleting the provisions above and * replace them with the notice and other provisions required by the LGPL. * If you do not delete the provisions above, a recipient may use your version * of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE. * * This library is free software; you can redistribute it and/or modify it * under the terms of the MPL as stated above or under the terms of the GNU * Library General Public License as published by the Free Software Foundation; * either version 2 of the License, or any later version. * * This library is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS * FOR A PARTICULAR PURPOSE. See the GNU Library general Public License for more * details. * * If you didn't download this code from the following link, you should check if * you aren't using an obsolete version: * http://www.lowagie.com/iText/ */ package com.lowagie.text; import java.awt.Color; import java.io.File; import java.io.IOException; import java.util.ArrayList; import java.util.Enumeration; import java.util.Hashtable; import java.util.Iterator; import java.util.Properties; import java.util.Set; import com.lowagie.text.html.Markup; import com.lowagie.text.pdf.BaseFont; /** * If you are using True Type fonts, you can declare the paths of the different ttf- and ttc-files * to this class first and then create fonts in your code using one of the getFont method * without having to enter a path as parameter. * * @author Bruno Lowagie */ public class FontFactoryImp { /** This is a map of postscriptfontnames of True Type fonts and the path of their ttf- or ttc-file. */ private Properties trueTypeFonts = new Properties(); private static String[] TTFamilyOrder = { "3", "1", "1033", "3", "0", "1033", "1", "0", "0", "0", "3", "0" }; /** This is a map of fontfamilies. */ private Hashtable fontFamilies = new Hashtable(); /** This is the default encoding to use. */ public String defaultEncoding = BaseFont.WINANSI; /** This is the default value of the <VAR>embedded</VAR> variable. */ public boolean defaultEmbedding = BaseFont.NOT_EMBEDDED; /** Creates new FontFactory */ public FontFactoryImp() { trueTypeFonts.setProperty(FontFactory.COURIER.toLowerCase(), FontFactory.COURIER); trueTypeFonts.setProperty(FontFactory.COURIER_BOLD.toLowerCase(), FontFactory.COURIER_BOLD); trueTypeFonts.setProperty(FontFactory.COURIER_OBLIQUE.toLowerCase(), FontFactory.COURIER_OBLIQUE); trueTypeFonts.setProperty(FontFactory.COURIER_BOLDOBLIQUE.toLowerCase(), FontFactory.COURIER_BOLDOBLIQUE); trueTypeFonts.setProperty(FontFactory.HELVETICA.toLowerCase(), FontFactory.HELVETICA); trueTypeFonts.setProperty(FontFactory.HELVETICA_BOLD.toLowerCase(), FontFactory.HELVETICA_BOLD); trueTypeFonts.setProperty(FontFactory.HELVETICA_OBLIQUE.toLowerCase(), FontFactory.HELVETICA_OBLIQUE); trueTypeFonts.setProperty(FontFactory.HELVETICA_BOLDOBLIQUE.toLowerCase(), FontFactory.HELVETICA_BOLDOBLIQUE); trueTypeFonts.setProperty(FontFactory.SYMBOL.toLowerCase(), FontFactory.SYMBOL); trueTypeFonts.setProperty(FontFactory.TIMES_ROMAN.toLowerCase(), FontFactory.TIMES_ROMAN); trueTypeFonts.setProperty(FontFactory.TIMES_BOLD.toLowerCase(), FontFactory.TIMES_BOLD); trueTypeFonts.setProperty(FontFactory.TIMES_ITALIC.toLowerCase(), FontFactory.TIMES_ITALIC); trueTypeFonts.setProperty(FontFactory.TIMES_BOLDITALIC.toLowerCase(), FontFactory.TIMES_BOLDITALIC); trueTypeFonts.setProperty(FontFactory.ZAPFDINGBATS.toLowerCase(), FontFactory.ZAPFDINGBATS); ArrayList tmp; tmp = new ArrayList(); tmp.add(FontFactory.COURIER); tmp.add(FontFactory.COURIER_BOLD); tmp.add(FontFactory.COURIER_OBLIQUE); tmp.add(FontFactory.COURIER_BOLDOBLIQUE); fontFamilies.put(FontFactory.COURIER.toLowerCase(), tmp); tmp = new ArrayList(); tmp.add(FontFactory.HELVETICA); tmp.add(FontFactory.HELVETICA_BOLD); tmp.add(FontFactory.HELVETICA_OBLIQUE); tmp.add(FontFactory.HELVETICA_BOLDOBLIQUE); fontFamilies.put(FontFactory.HELVETICA.toLowerCase(), tmp); tmp = new ArrayList(); tmp.add(FontFactory.SYMBOL); fontFamilies.put(FontFactory.SYMBOL.toLowerCase(), tmp); tmp = new ArrayList(); tmp.add(FontFactory.TIMES_ROMAN); tmp.add(FontFactory.TIMES_BOLD); tmp.add(FontFactory.TIMES_ITALIC); tmp.add(FontFactory.TIMES_BOLDITALIC); fontFamilies.put(FontFactory.TIMES.toLowerCase(), tmp); fontFamilies.put(FontFactory.TIMES_ROMAN.toLowerCase(), tmp); tmp = new ArrayList(); tmp.add(FontFactory.ZAPFDINGBATS); fontFamilies.put(FontFactory.ZAPFDINGBATS.toLowerCase(), tmp); } /** * Constructs a <CODE>Font</CODE>-object. * * @param fontname the name of the font * @param encoding the encoding of the font * @param embedded true if the font is to be embedded in the PDF * @param size the size of this font * @param style the style of this font * @param color the <CODE>Color</CODE> of this font. * @return the Font constructed based on the parameters */ public Font getFont(String fontname, String encoding, boolean embedded, float size, int style, Color color) { return getFont(fontname, encoding, embedded, size, style, color, true); } /** * Constructs a <CODE>Font</CODE>-object. * * @param fontname the name of the font * @param encoding the encoding of the font * @param embedded true if the font is to be embedded in the PDF * @param size the size of this font * @param style the style of this font * @param color the <CODE>Color</CODE> of this font. * @param cached true if the font comes from the cache or is added to * the cache if new, false if the font is always created new * @return the Font constructed based on the parameters */ public Font getFont(String fontname, String encoding, boolean embedded, float size, int style, Color color, boolean cached) { if (fontname == null) return new Font(Font.UNDEFINED, size, style, color); String lowercasefontname = fontname.toLowerCase(); ArrayList tmp = (ArrayList) fontFamilies.get(lowercasefontname); if (tmp != null) { // some bugs were fixed here by Daniel Marczisovszky int s = style == Font.UNDEFINED ? Font.NORMAL : style; int fs = Font.NORMAL; boolean found = false; for (Iterator i = tmp.iterator(); i.hasNext();) { String f = (String) i.next(); String lcf = f.toLowerCase(); fs = Font.NORMAL; if (lcf.toLowerCase().indexOf("bold") != -1) fs |= Font.BOLD; if (lcf.toLowerCase().indexOf("italic") != -1 || lcf.toLowerCase().indexOf("oblique") != -1) fs |= Font.ITALIC; if ((s & Font.BOLDITALIC) == fs) { fontname = f; found = true; break; } } if (style != Font.UNDEFINED && found) { style &= ~fs; } } BaseFont basefont = null; try { try { // the font is a type 1 font or CJK font basefont = BaseFont.createFont(fontname, encoding, embedded, cached, null, null, true); } catch (DocumentException de) { } if (basefont == null) { // the font is a true type font or an unknown font fontname = trueTypeFonts.getProperty(fontname.toLowerCase()); // the font is not registered as truetype font if (fontname == null) return new Font(Font.UNDEFINED, size, style, color); // the font is registered as truetype font basefont = BaseFont.createFont(fontname, encoding, embedded, cached, null, null); } } catch (DocumentException de) { // this shouldn't happen throw new ExceptionConverter(de); } catch (IOException ioe) { // the font is registered as a true type font, but the path was wrong return new Font(Font.UNDEFINED, size, style, color); } catch (NullPointerException npe) { // null was entered as fontname and/or encoding return new Font(Font.UNDEFINED, size, style, color); } return new Font(basefont, size, style, color); } /** * Constructs a <CODE>Font</CODE>-object. * * @param attributes the attributes of a <CODE>Font</CODE> object. * @return the Font constructed based on the attributes */ public Font getFont(Properties attributes) { String fontname = null; String encoding = defaultEncoding; boolean embedded = defaultEmbedding; float size = Font.UNDEFINED; int style = Font.NORMAL; Color color = null; String value = attributes.getProperty(Markup.HTML_ATTR_STYLE); if (value != null && value.length() > 0) { Properties styleAttributes = Markup.parseAttributes(value); if (styleAttributes.isEmpty()) { attributes.put(Markup.HTML_ATTR_STYLE, value); } else { fontname = styleAttributes.getProperty(Markup.CSS_KEY_FONTFAMILY); if (fontname != null) { String tmp; while (fontname.indexOf(',') != -1) { tmp = fontname.substring(0, fontname.indexOf(',')); if (isRegistered(tmp)) { fontname = tmp; } else { fontname = fontname.substring(fontname.indexOf(',') + 1); } } } if ((value = styleAttributes.getProperty(Markup.CSS_KEY_FONTSIZE)) != null) { size = Markup.parseLength(value); } if ((value = styleAttributes.getProperty(Markup.CSS_KEY_FONTWEIGHT)) != null) { style |= Font.getStyleValue(value); } if ((value = styleAttributes.getProperty(Markup.CSS_KEY_FONTSTYLE)) != null) { style |= Font.getStyleValue(value); } if ((value = styleAttributes.getProperty(Markup.CSS_KEY_COLOR)) != null) { color = Markup.decodeColor(value); } attributes.putAll(styleAttributes); for (Enumeration e = styleAttributes.keys(); e.hasMoreElements();) { Object o = e.nextElement(); attributes.put(o, styleAttributes.get(o)); } } } if ((value = attributes.getProperty(ElementTags.ENCODING)) != null) { encoding = value; } if ("true".equals(attributes.getProperty(ElementTags.EMBEDDED))) { embedded = true; } if ((value = attributes.getProperty(ElementTags.FONT)) != null) { fontname = value; } if ((value = attributes.getProperty(ElementTags.SIZE)) != null) { size = Markup.parseLength(value); } if ((value = attributes.getProperty(Markup.HTML_ATTR_STYLE)) != null) { style |= Font.getStyleValue(value); } if ((value = attributes.getProperty(ElementTags.STYLE)) != null) { style |= Font.getStyleValue(value); } String r = attributes.getProperty(ElementTags.RED); String g = attributes.getProperty(ElementTags.GREEN); String b = attributes.getProperty(ElementTags.BLUE); if (r != null || g != null || b != null) { int red = 0; int green = 0; int blue = 0; if (r != null) red = Integer.parseInt(r); if (g != null) green = Integer.parseInt(g); if (b != null) blue = Integer.parseInt(b); color = new Color(red, green, blue); } else if ((value = attributes.getProperty(ElementTags.COLOR)) != null) { color = Markup.decodeColor(value); } if (fontname == null) { return getFont(null, encoding, embedded, size, style, color); } return getFont(fontname, encoding, embedded, size, style, color); } /** * Constructs a <CODE>Font</CODE>-object. * * @param fontname the name of the font * @param encoding the encoding of the font * @param embedded true if the font is to be embedded in the PDF * @param size the size of this font * @param style the style of this font * @return the Font constructed based on the parameters */ public Font getFont(String fontname, String encoding, boolean embedded, float size, int style) { return getFont(fontname, encoding, embedded, size, style, null); } /** * Constructs a <CODE>Font</CODE>-object. * * @param fontname the name of the font * @param encoding the encoding of the font * @param embedded true if the font is to be embedded in the PDF * @param size the size of this font * @return the Font constructed based on the parameters */ public Font getFont(String fontname, String encoding, boolean embedded, float size) { return getFont(fontname, encoding, embedded, size, Font.UNDEFINED, null); } /** * Constructs a <CODE>Font</CODE>-object. * * @param fontname the name of the font * @param encoding the encoding of the font * @param embedded true if the font is to be embedded in the PDF * @return the Font constructed based on the parameters */ public Font getFont(String fontname, String encoding, boolean embedded) { return getFont(fontname, encoding, embedded, Font.UNDEFINED, Font.UNDEFINED, null); } /** * Constructs a <CODE>Font</CODE>-object. * * @param fontname the name of the font * @param encoding the encoding of the font * @param size the size of this font * @param style the style of this font * @param color the <CODE>Color</CODE> of this font. * @return the Font constructed based on the parameters */ public Font getFont(String fontname, String encoding, float size, int style, Color color) { return getFont(fontname, encoding, defaultEmbedding, size, style, color); } /** * Constructs a <CODE>Font</CODE>-object. * * @param fontname the name of the font * @param encoding the encoding of the font * @param size the size of this font * @param style the style of this font * @return the Font constructed based on the parameters */ public Font getFont(String fontname, String encoding, float size, int style) { return getFont(fontname, encoding, defaultEmbedding, size, style, null); } /** * Constructs a <CODE>Font</CODE>-object. * * @param fontname the name of the font * @param encoding the encoding of the font * @param size the size of this font * @return the Font constructed based on the parameters */ public Font getFont(String fontname, String encoding, float size) { return getFont(fontname, encoding, defaultEmbedding, size, Font.UNDEFINED, null); } /** * Constructs a <CODE>Font</CODE>-object. * * @param fontname the name of the font * @param size the size of this font * @param color the <CODE>Color</CODE> of this font. * @return the Font constructed based on the parameters * @since 2.1.0 */ public Font getFont(String fontname, float size, Color color) { return getFont(fontname, defaultEncoding, defaultEmbedding, size, Font.UNDEFINED, color); } /** * Constructs a <CODE>Font</CODE>-object. * * @param fontname the name of the font * @param encoding the encoding of the font * @return the Font constructed based on the parameters */ public Font getFont(String fontname, String encoding) { return getFont(fontname, encoding, defaultEmbedding, Font.UNDEFINED, Font.UNDEFINED, null); } /** * Constructs a <CODE>Font</CODE>-object. * * @param fontname the name of the font * @param size the size of this font * @param style the style of this font * @param color the <CODE>Color</CODE> of this font. * @return the Font constructed based on the parameters */ public Font getFont(String fontname, float size, int style, Color color) { return getFont(fontname, defaultEncoding, defaultEmbedding, size, style, color); } /** * Constructs a <CODE>Font</CODE>-object. * * @param fontname the name of the font * @param size the size of this font * @param style the style of this font * @return the Font constructed based on the parameters */ public Font getFont(String fontname, float size, int style) { return getFont(fontname, defaultEncoding, defaultEmbedding, size, style, null); } /** * Constructs a <CODE>Font</CODE>-object. * * @param fontname the name of the font * @param size the size of this font * @return the Font constructed based on the parameters */ public Font getFont(String fontname, float size) { return getFont(fontname, defaultEncoding, defaultEmbedding, size, Font.UNDEFINED, null); } /** * Constructs a <CODE>Font</CODE>-object. * * @param fontname the name of the font * @return the Font constructed based on the parameters */ public Font getFont(String fontname) { return getFont(fontname, defaultEncoding, defaultEmbedding, Font.UNDEFINED, Font.UNDEFINED, null); } /** * Register a font by giving explicitly the font family and name. * @param familyName the font family * @param fullName the font name * @param path the font path */ public void registerFamily(String familyName, String fullName, String path) { if (path != null) trueTypeFonts.setProperty(fullName, path); ArrayList tmp = (ArrayList) fontFamilies.get(familyName); if (tmp == null) { tmp = new ArrayList(); tmp.add(fullName); fontFamilies.put(familyName, tmp); } else { int fullNameLength = fullName.length(); boolean inserted = false; for (int j = 0; j < tmp.size(); ++j) { if (((String) tmp.get(j)).length() >= fullNameLength) { tmp.add(j, fullName); inserted = true; break; } } if (!inserted) tmp.add(fullName); } } /** * Register a ttf- or a ttc-file. * * @param path the path to a ttf- or ttc-file */ public void register(String path) { register(path, null); } /** * Register a font file and use an alias for the font contained in it. * * @param path the path to a font file * @param alias the alias you want to use for the font */ public void register(String path, String alias) { try { if (path.toLowerCase().endsWith(".ttf") || path.toLowerCase().endsWith(".otf") || path.toLowerCase().indexOf(".ttc,") > 0) { Object allNames[] = BaseFont.getAllFontNames(path, BaseFont.WINANSI, null); trueTypeFonts.setProperty(((String) allNames[0]).toLowerCase(), path); if (alias != null) { trueTypeFonts.setProperty(alias.toLowerCase(), path); } // register all the font names with all the locales String[][] names = (String[][]) allNames[2]; //full name for (int i = 0; i < names.length; i++) { trueTypeFonts.setProperty(names[i][3].toLowerCase(), path); } String fullName = null; String familyName = null; names = (String[][]) allNames[1]; //family name for (int k = 0; k < TTFamilyOrder.length; k += 3) { for (int i = 0; i < names.length; i++) { if (TTFamilyOrder[k].equals(names[i][0]) && TTFamilyOrder[k + 1].equals(names[i][1]) && TTFamilyOrder[k + 2].equals(names[i][2])) { familyName = names[i][3].toLowerCase(); k = TTFamilyOrder.length; break; } } } if (familyName != null) { String lastName = ""; names = (String[][]) allNames[2]; //full name for (int i = 0; i < names.length; i++) { for (int k = 0; k < TTFamilyOrder.length; k += 3) { if (TTFamilyOrder[k].equals(names[i][0]) && TTFamilyOrder[k + 1].equals(names[i][1]) && TTFamilyOrder[k + 2].equals(names[i][2])) { fullName = names[i][3]; if (fullName.equals(lastName)) continue; lastName = fullName; registerFamily(familyName, fullName, null); break; } } } } } else if (path.toLowerCase().endsWith(".ttc")) { if (alias != null) System.err.println("class FontFactory: You can't define an alias for a true type collection."); String[] names = BaseFont.enumerateTTCNames(path); for (int i = 0; i < names.length; i++) { register(path + "," + i); } } else if (path.toLowerCase().endsWith(".afm") || path.toLowerCase().endsWith(".pfm")) { BaseFont bf = BaseFont.createFont(path, BaseFont.CP1252, false); String fullName = bf.getFullFontName()[0][3].toLowerCase(); String familyName = bf.getFamilyFontName()[0][3].toLowerCase(); String psName = bf.getPostscriptFontName().toLowerCase(); registerFamily(familyName, fullName, null); trueTypeFonts.setProperty(psName, path); trueTypeFonts.setProperty(fullName, path); } } catch (DocumentException de) { // this shouldn't happen throw new ExceptionConverter(de); } catch (IOException ioe) { throw new ExceptionConverter(ioe); } } /** Register all the fonts in a directory. * @param dir the directory * @return the number of fonts registered */ public int registerDirectory(String dir) { return registerDirectory(dir, false); } /** * Register all the fonts in a directory and possibly its subdirectories. * @param dir the directory * @param scanSubdirectories recursively scan subdirectories if <code>true</true> * @return the number of fonts registered * @since 2.1.2 */ public int registerDirectory(String dir, boolean scanSubdirectories) { int count = 0; try { File file = new File(dir); if (!file.exists() || !file.isDirectory()) return 0; String files[] = file.list(); if (files == null) return 0; for (int k = 0; k < files.length; ++k) { try { file = new File(dir, files[k]); if (file.isDirectory()) { if (scanSubdirectories) { count += registerDirectory(file.getAbsolutePath(), true); } } else { String name = file.getPath(); String suffix = name.length() < 4 ? null : name.substring(name.length() - 4).toLowerCase(); if (".afm".equals(suffix) || ".pfm".equals(suffix)) { /* Only register Type 1 fonts with matching .pfb files */ File pfb = new File(name.substring(0, name.length() - 4) + ".pfb"); if (pfb.exists()) { register(name, null); ++count; } } else if (".ttf".equals(suffix) || ".otf".equals(suffix) || ".ttc".equals(suffix)) { register(name, null); ++count; } } } catch (Exception e) { //empty on purpose } } } catch (Exception e) { //empty on purpose } return count; } /** Register fonts in some probable directories. It usually works in Windows, * Linux and Solaris. * @return the number of fonts registered */ public int registerDirectories() { int count = 0; count += registerDirectory("c:/windows/fonts"); count += registerDirectory("c:/winnt/fonts"); count += registerDirectory("d:/windows/fonts"); count += registerDirectory("d:/winnt/fonts"); count += registerDirectory("/usr/share/X11/fonts", true); count += registerDirectory("/usr/X/lib/X11/fonts", true); count += registerDirectory("/usr/openwin/lib/X11/fonts", true); count += registerDirectory("/usr/share/fonts", true); count += registerDirectory("/usr/X11R6/lib/X11/fonts", true); count += registerDirectory("/Library/Fonts"); count += registerDirectory("/System/Library/Fonts"); return count; } /** * Gets a set of registered fontnames. * @return a set of registered fonts */ public Set getRegisteredFonts() { return Utilities.getKeySet(trueTypeFonts); } /** * Gets a set of registered fontnames. * @return a set of registered font families */ public Set getRegisteredFamilies() { return Utilities.getKeySet(fontFamilies); } /** * Checks if a certain font is registered. * * @param fontname the name of the font that has to be checked. * @return true if the font is found */ public boolean isRegistered(String fontname) { return trueTypeFonts.containsKey(fontname.toLowerCase()); } }