From 6025b6016517c6d898d8957d1d7e03ba71431912 Mon Sep 17 00:00:00 2001 From: tknall Date: Fri, 1 Dec 2006 12:20:24 +0000 Subject: Initial import of release 2.2. git-svn-id: https://joinup.ec.europa.eu/svn/pdf-as/trunk@4 7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c --- .../java/com/lowagie/text/pdf/FontSelector.java | 124 +++++++++++++++++++++ 1 file changed, 124 insertions(+) create mode 100644 src/main/java/com/lowagie/text/pdf/FontSelector.java (limited to 'src/main/java/com/lowagie/text/pdf/FontSelector.java') diff --git a/src/main/java/com/lowagie/text/pdf/FontSelector.java b/src/main/java/com/lowagie/text/pdf/FontSelector.java new file mode 100644 index 0000000..628150f --- /dev/null +++ b/src/main/java/com/lowagie/text/pdf/FontSelector.java @@ -0,0 +1,124 @@ +/* + * Copyright 2003 by Paulo Soares. + * + * 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.pdf; + +import java.util.ArrayList; +import com.lowagie.text.*; + +/** Selects the appropriate fonts that contain the glyphs needed to + * render text correctly. The fonts are checked in order until the + * character is found. + *

+ * The built in fonts "Symbol" and "ZapfDingbats", if used, have a special encoding + * to allow the characters to be referred by Unicode. + * @author Paulo Soares (psoares@consiste.pt) + */ +public class FontSelector { + + protected ArrayList fonts = new ArrayList(); + + /** + * Adds a Font to be searched for valid characters. + * @param font the Font + */ + public void addFont(Font font) { + if (font.getBaseFont() != null) { + fonts.add(font); + return; + } + BaseFont bf = font.getCalculatedBaseFont(true); + Font f2 = new Font(bf, font.size(), font.getCalculatedStyle(), font.color()); + fonts.add(f2); + } + + /** + * Process the text so that it will render with a combination of fonts + * if needed. + * @param text the text + * @return a Phrase with one or more chunks + */ + public Phrase process(String text) { + int fsize = fonts.size(); + if (fsize == 0) + throw new IndexOutOfBoundsException("No font is defined."); + char cc[] = text.toCharArray(); + int len = cc.length; + StringBuffer sb = new StringBuffer(); + Font font = null; + int lastidx = -1; + Phrase ret = new Phrase(); + for (int k = 0; k < len; ++k) { + char c = cc[k]; + if (c == '\n' || c == '\r') { + sb.append(c); + continue; + } + for (int f = 0; f < fsize; ++f) { + font = (Font)fonts.get(f); + if (font.getBaseFont().charExists(c)) { + if (lastidx == f) + sb.append(c); + else { + if (sb.length() > 0 && lastidx != -1) { + Chunk ck = new Chunk(sb.toString(), (Font)fonts.get(lastidx)); + ret.add(ck); + sb.setLength(0); + } + sb.append(c); + lastidx = f; + } + break; + } + } + } + if (sb.length() > 0) { + Chunk ck = new Chunk(sb.toString(), (Font)fonts.get(lastidx)); + ret.add(ck); + } + return ret; + } +} -- cgit v1.2.3