diff options
Diffstat (limited to 'src/main/java/com/lowagie/text/pdf/TrueTypeFontUnicode.java')
| -rw-r--r-- | src/main/java/com/lowagie/text/pdf/TrueTypeFontUnicode.java | 456 |
1 files changed, 0 insertions, 456 deletions
diff --git a/src/main/java/com/lowagie/text/pdf/TrueTypeFontUnicode.java b/src/main/java/com/lowagie/text/pdf/TrueTypeFontUnicode.java deleted file mode 100644 index a05f744..0000000 --- a/src/main/java/com/lowagie/text/pdf/TrueTypeFontUnicode.java +++ /dev/null @@ -1,456 +0,0 @@ -/*
- * $Id: TrueTypeFontUnicode.java,v 1.53 2006/02/23 16:45:48 psoares33 Exp $
- * $Name: $
- *
- * Copyright 2001, 2002 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.io.IOException;
-import java.util.Arrays;
-import java.util.Comparator;
-import java.util.HashMap;
-import java.util.ArrayList;
-
-import com.lowagie.text.DocumentException;
-/** Represents a True Type font with Unicode encoding. All the character
- * in the font can be used directly by using the encoding Identity-H or
- * Identity-V. This is the only way to represent some character sets such
- * as Thai.
- * @author Paulo Soares (psoares@consiste.pt)
- */
-class TrueTypeFontUnicode extends TrueTypeFont implements Comparator{
-
- /** <CODE>true</CODE> if the encoding is vertical.
- */
- boolean vertical = false;
-
- /** Creates a new TrueType font addressed by Unicode characters. The font
- * will always be embedded.
- * @param ttFile the location of the font on file. The file must end in '.ttf'.
- * The modifiers after the name are ignored.
- * @param enc the encoding to be applied to this font
- * @param emb true if the font is to be embedded in the PDF
- * @param ttfAfm the font as a <CODE>byte</CODE> array
- * @throws DocumentException the font is invalid
- * @throws IOException the font file could not be read
- */
- TrueTypeFontUnicode(String ttFile, String enc, boolean emb, byte ttfAfm[]) throws DocumentException, IOException {
- String nameBase = getBaseName(ttFile);
- String ttcName = getTTCName(nameBase);
- if (nameBase.length() < ttFile.length()) {
- style = ttFile.substring(nameBase.length());
- }
- encoding = enc;
- embedded = emb;
- fileName = ttcName;
- ttcIndex = "";
- if (ttcName.length() < nameBase.length())
- ttcIndex = nameBase.substring(ttcName.length() + 1);
- fontType = FONT_TYPE_TTUNI;
- if ((fileName.toLowerCase().endsWith(".ttf") || fileName.toLowerCase().endsWith(".otf") || fileName.toLowerCase().endsWith(".ttc")) && ((enc.equals(IDENTITY_H) || enc.equals(IDENTITY_V)) && emb)) {
- process(ttfAfm);
- if (os_2.fsType == 2)
- throw new DocumentException(fileName + style + " cannot be embedded due to licensing restrictions.");
- // Sivan
- if ((cmap31 == null && !fontSpecific) || (cmap10 == null && fontSpecific))
- directTextToByte=true;
- //throw new DocumentException(fileName + " " + style + " does not contain an usable cmap.");
- if (fontSpecific) {
- fontSpecific = false;
- String tempEncoding = encoding;
- encoding = "";
- createEncoding();
- encoding = tempEncoding;
- fontSpecific = true;
- }
- }
- else
- throw new DocumentException(fileName + " " + style + " is not a TTF font file.");
- vertical = enc.endsWith("V");
- }
-
-/**
- * Gets the width of a <CODE>String</CODE> in normalized 1000 units.
- * @param text the <CODE>String</CODE> to get the witdth of
- * @return the width in normalized 1000 units
- */
- public int getWidth(String text)
- {
- if (vertical)
- return text.length() * 1000;
- int total = 0;
- if (fontSpecific) {
- char cc[] = text.toCharArray();
- int len = cc.length;
- for (int k = 0; k < len; ++k) {
- char c = cc[k];
- if ((c & 0xff00) == 0 || (c & 0xff00) == 0xf000)
- total += getRawWidth(c & 0xff, null);
- }
- }
- else {
- int len = text.length();
- for (int k = 0; k < len; ++k)
- total += getRawWidth(text.charAt(k), encoding);
- }
- return total;
- }
-
- /** Creates a ToUnicode CMap to allow copy and paste from Acrobat.
- * @param metrics metrics[0] contains the glyph index and metrics[2]
- * contains the Unicode code
- * @throws DocumentException on error
- * @return the stream representing this CMap or <CODE>null</CODE>
- */
- private PdfStream getToUnicode(Object metrics[]) throws DocumentException {
- if (metrics.length == 0)
- return null;
- StringBuffer buf = new StringBuffer(
- "/CIDInit /ProcSet findresource begin\n" +
- "12 dict begin\n" +
- "begincmap\n" +
- "/CIDSystemInfo\n" +
- "<< /Registry (Adobe)\n" +
- "/Ordering (UCS)\n" +
- "/Supplement 0\n" +
- ">> def\n" +
- "/CMapName /Adobe-Identity-UCS def\n" +
- "/CMapType 2 def\n" +
- "1 begincodespacerange\n" +
- "<0000><FFFF>\n" +
- "endcodespacerange\n");
- int size = 0;
- for (int k = 0; k < metrics.length; ++k) {
- if (size == 0) {
- if (k != 0) {
- buf.append("endbfrange\n");
- }
- size = Math.min(100, metrics.length - k);
- buf.append(size).append(" beginbfrange\n");
- }
- --size;
- int metric[] = (int[])metrics[k];
- String fromTo = toHex(metric[0]);
- buf.append(fromTo).append(fromTo).append(toHex(metric[2])).append("\n");
- }
- buf.append(
- "endbfrange\n" +
- "endcmap\n" +
- "CMapName currentdict /CMap defineresource pop\n" +
- "end end\n");
- String s = buf.toString();
- PdfStream stream = new PdfStream(PdfEncodings.convertToBytes(s, null));
- stream.flateCompress();
- return stream;
- }
-
- /** Gets an hex string in the format "<HHHH>".
- * @param n the number
- * @return the hex string
- */
- static String toHex(int n) {
- String s = Integer.toHexString(n);
- return "<0000".substring(0, 5 - s.length()) + s + ">";
- }
-
- /** Generates the CIDFontTyte2 dictionary.
- * @param fontDescriptor the indirect reference to the font descriptor
- * @param subsetPrefix the subset prefix
- * @param metrics the horizontal width metrics
- * @return a stream
- */
- private PdfDictionary getCIDFontType2(PdfIndirectReference fontDescriptor, String subsetPrefix, Object metrics[]) {
- PdfDictionary dic = new PdfDictionary(PdfName.FONT);
- // sivan; cff
- if (cff) {
- dic.put(PdfName.SUBTYPE, PdfName.CIDFONTTYPE0);
- dic.put(PdfName.BASEFONT, new PdfName(subsetPrefix+fontName+"-"+encoding));
- }
- else {
- dic.put(PdfName.SUBTYPE, PdfName.CIDFONTTYPE2);
- dic.put(PdfName.BASEFONT, new PdfName(subsetPrefix + fontName));
- }
- dic.put(PdfName.FONTDESCRIPTOR, fontDescriptor);
- if (!cff)
- dic.put(PdfName.CIDTOGIDMAP,PdfName.IDENTITY);
- PdfDictionary cdic = new PdfDictionary();
- cdic.put(PdfName.REGISTRY, new PdfString("Adobe"));
- cdic.put(PdfName.ORDERING, new PdfString("Identity"));
- cdic.put(PdfName.SUPPLEMENT, new PdfNumber(0));
- dic.put(PdfName.CIDSYSTEMINFO, cdic);
- if (!vertical) {
- dic.put(PdfName.DW, new PdfNumber(1000));
- StringBuffer buf = new StringBuffer("[");
- int lastNumber = -10;
- boolean firstTime = true;
- for (int k = 0; k < metrics.length; ++k) {
- int metric[] = (int[])metrics[k];
- if (metric[1] == 1000)
- continue;
- int m = metric[0];
- if (m == lastNumber + 1) {
- buf.append(" ").append(metric[1]);
- }
- else {
- if (!firstTime) {
- buf.append("]");
- }
- firstTime = false;
- buf.append(m).append("[").append(metric[1]);
- }
- lastNumber = m;
- }
- if (buf.length() > 1) {
- buf.append("]]");
- dic.put(PdfName.W, new PdfLiteral(buf.toString()));
- }
- }
- return dic;
- }
-
- /** Generates the font dictionary.
- * @param descendant the descendant dictionary
- * @param subsetPrefix the subset prefix
- * @param toUnicode the ToUnicode stream
- * @return the stream
- */
- private PdfDictionary getFontBaseType(PdfIndirectReference descendant, String subsetPrefix, PdfIndirectReference toUnicode) {
- PdfDictionary dic = new PdfDictionary(PdfName.FONT);
-
- dic.put(PdfName.SUBTYPE, PdfName.TYPE0);
- // The PDF Reference manual advises to add -encoding to CID font names
- if (cff)
- dic.put(PdfName.BASEFONT, new PdfName(subsetPrefix+fontName+"-"+encoding));
- //dic.put(PdfName.BASEFONT, new PdfName(subsetPrefix+fontName));
- else
- dic.put(PdfName.BASEFONT, new PdfName(subsetPrefix + fontName));
- //dic.put(PdfName.BASEFONT, new PdfName(fontName));
- dic.put(PdfName.ENCODING, new PdfName(encoding));
- dic.put(PdfName.DESCENDANTFONTS, new PdfArray(descendant));
- if (toUnicode != null)
- dic.put(PdfName.TOUNICODE, toUnicode);
- return dic;
- }
-
- /** The method used to sort the metrics array.
- * @param o1 the first element
- * @param o2 the second element
- * @return the comparisation
- */
- public int compare(Object o1, Object o2) {
- int m1 = ((int[])o1)[0];
- int m2 = ((int[])o2)[0];
- if (m1 < m2)
- return -1;
- if (m1 == m2)
- return 0;
- return 1;
- }
-
- /** Outputs to the writer the font dictionaries and streams.
- * @param writer the writer for this document
- * @param ref the font indirect reference
- * @param params several parameters that depend on the font type
- * @throws IOException on error
- * @throws DocumentException error in generating the object
- */
- void writeFont(PdfWriter writer, PdfIndirectReference ref, Object params[]) throws DocumentException, IOException {
- HashMap longTag = (HashMap)params[0];
- addRangeUni(longTag, true, subset);
- Object metrics[] = longTag.values().toArray();
- Arrays.sort(metrics, this);
- PdfIndirectReference ind_font = null;
- PdfObject pobj = null;
- PdfIndirectObject obj = null;
- // sivan: cff
- if (cff) {
- RandomAccessFileOrArray rf2 = new RandomAccessFileOrArray(rf);
- byte b[] = new byte[cffLength];
- try {
- rf2.reOpen();
- rf2.seek(cffOffset);
- rf2.readFully(b);
- } finally {
- try {
- rf2.close();
- } catch (Exception e) {
- // empty on purpose
- }
- }
- if (subset || subsetRanges != null) {
- CFFFontSubset cff = new CFFFontSubset(new RandomAccessFileOrArray(b),longTag);
- b = cff.Process( (cff.getNames())[0] );
- }
- pobj = new StreamFont(b, "CIDFontType0C");
- obj = writer.addToBody(pobj);
- ind_font = obj.getIndirectReference();
- } else {
- byte[] b;
- if (subset || directoryOffset != 0) {
- TrueTypeFontSubSet sb = new TrueTypeFontSubSet(fileName, new RandomAccessFileOrArray(rf), longTag, directoryOffset, false, false);
- b = sb.process();
- }
- else {
- b = getFullFont();
- }
- int lengths[] = new int[]{b.length};
- pobj = new StreamFont(b, lengths);
- obj = writer.addToBody(pobj);
- ind_font = obj.getIndirectReference();
- }
- String subsetPrefix = "";
- if (subset)
- subsetPrefix = createSubsetPrefix();
- PdfDictionary dic = getFontDescriptor(ind_font, subsetPrefix);
- obj = writer.addToBody(dic);
- ind_font = obj.getIndirectReference();
-
- pobj = getCIDFontType2(ind_font, subsetPrefix, metrics);
- obj = writer.addToBody(pobj);
- ind_font = obj.getIndirectReference();
-
- pobj = getToUnicode(metrics);
- PdfIndirectReference toUnicodeRef = null;
-
- if (pobj != null) {
- obj = writer.addToBody(pobj);
- toUnicodeRef = obj.getIndirectReference();
- }
-
- pobj = getFontBaseType(ind_font, subsetPrefix, toUnicodeRef);
- writer.addToBody(pobj, ref);
- }
-
- /** A forbidden operation. Will throw a null pointer exception.
- * @param text the text
- * @return always <CODE>null</CODE>
- */
- byte[] convertToBytes(String text)
- {
- return null;
- }
-
- /**
- * Checks if a character exists in this font.
- * @param c the character to check
- * @return <CODE>true</CODE> if the character has a glyph,
- * <CODE>false</CODE> otherwise
- */
- public boolean charExists(char c) {
- HashMap map = null;
- if (fontSpecific)
- map = cmap10;
- else
- map = cmap31;
- if (map == null)
- return false;
- if (fontSpecific) {
- if ((c & 0xff00) == 0 || (c & 0xff00) == 0xf000)
- return map.get(new Integer(c & 0xff)) != null;
- else
- return false;
- }
- else
- return map.get(new Integer(c)) != null;
- }
-
- /**
- * Sets the character advance.
- * @param c the character
- * @param advance the character advance normalized to 1000 units
- * @return <CODE>true</CODE> if the advance was set,
- * <CODE>false</CODE> otherwise
- */
- public boolean setCharAdvance(char c, int advance) {
- HashMap map = null;
- if (fontSpecific)
- map = cmap10;
- else
- map = cmap31;
- if (map == null)
- return false;
- int m[] = null;
- if (fontSpecific) {
- if ((c & 0xff00) == 0 || (c & 0xff00) == 0xf000)
- m = (int[])map.get(new Integer(c & 0xff));
- else
- return false;
- }
- else
- m = (int[])map.get(new Integer(c));
- if (m == null)
- return false;
- else
- m[1] = advance;
- return true;
- }
-
- public int[] getCharBBox(char c) {
- if (bboxes == null)
- return null;
- HashMap map = null;
- if (fontSpecific)
- map = cmap10;
- else
- map = cmap31;
- if (map == null)
- return null;
- int m[] = null;
- if (fontSpecific) {
- if ((c & 0xff00) == 0 || (c & 0xff00) == 0xf000)
- m = (int[])map.get(new Integer(c & 0xff));
- else
- return null;
- }
- else
- m = (int[])map.get(new Integer(c));
- if (m == null)
- return null;
- return bboxes[m[0]];
- }
-}
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