diff options
Diffstat (limited to 'src/main/java/com/lowagie/text/pdf/CJKFont.java')
| -rw-r--r-- | src/main/java/com/lowagie/text/pdf/CJKFont.java | 626 |
1 files changed, 0 insertions, 626 deletions
diff --git a/src/main/java/com/lowagie/text/pdf/CJKFont.java b/src/main/java/com/lowagie/text/pdf/CJKFont.java deleted file mode 100644 index 2137faf..0000000 --- a/src/main/java/com/lowagie/text/pdf/CJKFont.java +++ /dev/null @@ -1,626 +0,0 @@ -/*
- * $Id: CJKFont.java,v 1.64 2005/05/04 14:33:05 blowagie Exp $
- * $Name: $
- *
- * Copyright 2000, 2001, 2002 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 com.lowagie.text.DocumentException;
-import java.io.*;
-import java.util.HashMap;
-import java.util.Properties;
-import java.util.Hashtable;
-import java.util.StringTokenizer;
-import java.util.Enumeration;
-
-/**
- * Creates a CJK font compatible with the fonts in the Adobe Asian font Pack.
- *
- * @author Paulo Soares (psoares@consiste.pt)
- */
-
-class CJKFont extends BaseFont {
- /** The encoding used in the PDF document for CJK fonts
- */
- static final String CJK_ENCODING = "UnicodeBigUnmarked";
- private static final int FIRST = 0;
- private static final int BRACKET = 1;
- private static final int SERIAL = 2;
- private static final int V1Y = 880;
-
- static Properties cjkFonts = new Properties();
- static Properties cjkEncodings = new Properties();
- static Hashtable allCMaps = new Hashtable();
- static Hashtable allFonts = new Hashtable();
- private static boolean propertiesLoaded = false;
-
- /** The font name */
- private String fontName;
- /** The style modifier */
- private String style = "";
- /** The CMap name associated with this font */
- private String CMap;
-
- private boolean cidDirect = false;
-
- private char[] translationMap;
- private IntHashtable vMetrics;
- private IntHashtable hMetrics;
- private HashMap fontDesc;
- private boolean vertical = false;
-
- private static void loadProperties() {
- if (propertiesLoaded)
- return;
- synchronized (allFonts) {
- if (propertiesLoaded)
- return;
- try {
- InputStream is = getResourceStream(RESOURCE_PATH + "cjkfonts.properties");
- cjkFonts.load(is);
- is.close();
- is = getResourceStream(RESOURCE_PATH + "cjkencodings.properties");
- cjkEncodings.load(is);
- is.close();
- }
- catch (Exception e) {
- cjkFonts = new Properties();
- cjkEncodings = new Properties();
- }
- propertiesLoaded = true;
- }
- }
-
- /** Creates a CJK font.
- * @param fontName the name of the font
- * @param enc the encoding of the font
- * @param emb always <CODE>false</CODE>. CJK font and not embedded
- * @throws DocumentException on error
- * @throws IOException on error
- */
- CJKFont(String fontName, String enc, boolean emb) throws DocumentException, IOException {
- loadProperties();
- fontType = FONT_TYPE_CJK;
- String nameBase = getBaseName(fontName);
- if (!isCJKFont(nameBase, enc))
- throw new DocumentException("Font '" + fontName + "' with '" + enc + "' encoding is not a CJK font.");
- if (nameBase.length() < fontName.length()) {
- style = fontName.substring(nameBase.length());
- fontName = nameBase;
- }
- this.fontName = fontName;
- encoding = CJK_ENCODING;
- vertical = enc.endsWith("V");
- CMap = enc;
- if (enc.startsWith("Identity-")) {
- cidDirect = true;
- String s = cjkFonts.getProperty(fontName);
- s = s.substring(0, s.indexOf('_'));
- char c[] = (char[])allCMaps.get(s);
- if (c == null) {
- c = readCMap(s);
- if (c == null)
- throw new DocumentException("The cmap " + s + " does not exist as a resource.");
- c[CID_NEWLINE] = '\n';
- allCMaps.put(s, c);
- }
- translationMap = c;
- }
- else {
- char c[] = (char[])allCMaps.get(enc);
- if (c == null) {
- String s = cjkEncodings.getProperty(enc);
- if (s == null)
- throw new DocumentException("The resource cjkencodings.properties does not contain the encoding " + enc);
- StringTokenizer tk = new StringTokenizer(s);
- String nt = tk.nextToken();
- c = (char[])allCMaps.get(nt);
- if (c == null) {
- c = readCMap(nt);
- allCMaps.put(nt, c);
- }
- if (tk.hasMoreTokens()) {
- String nt2 = tk.nextToken();
- char m2[] = readCMap(nt2);
- for (int k = 0; k < 0x10000; ++k) {
- if (m2[k] == 0)
- m2[k] = c[k];
- }
- allCMaps.put(enc, m2);
- c = m2;
- }
- }
- translationMap = c;
- }
- fontDesc = (HashMap)allFonts.get(fontName);
- if (fontDesc == null) {
- fontDesc = readFontProperties(fontName);
- allFonts.put(fontName, fontDesc);
- }
- hMetrics = (IntHashtable)fontDesc.get("W");
- vMetrics = (IntHashtable)fontDesc.get("W2");
- }
-
- /** Checks if its a valid CJK font.
- * @param fontName the font name
- * @param enc the encoding
- * @return <CODE>true</CODE> if it is CJK font
- */
- public static boolean isCJKFont(String fontName, String enc) {
- loadProperties();
- String encodings = cjkFonts.getProperty(fontName);
- return (encodings != null && (enc.equals("Identity-H") || enc.equals("Identity-V") || encodings.indexOf("_" + enc + "_") >= 0));
- }
-
- public int getWidth(String text) {
- int total = 0;
- for (int k = 0; k < text.length(); ++k) {
- int c = text.charAt(k);
- if (!cidDirect)
- c = translationMap[c];
- int v;
- if (vertical)
- v = vMetrics.get(c);
- else
- v = hMetrics.get(c);
- if (v > 0)
- total += v;
- else
- total += 1000;
- }
- return total;
- }
-
- int getRawWidth(int c, String name) {
- return 0;
- }
-
- public int getKerning(char char1, char char2) {
- return 0;
- }
-
- private PdfDictionary getFontDescriptor() {
- PdfDictionary dic = new PdfDictionary(PdfName.FONTDESCRIPTOR);
- dic.put(PdfName.ASCENT, new PdfLiteral((String)fontDesc.get("Ascent")));
- dic.put(PdfName.CAPHEIGHT, new PdfLiteral((String)fontDesc.get("CapHeight")));
- dic.put(PdfName.DESCENT, new PdfLiteral((String)fontDesc.get("Descent")));
- dic.put(PdfName.FLAGS, new PdfLiteral((String)fontDesc.get("Flags")));
- dic.put(PdfName.FONTBBOX, new PdfLiteral((String)fontDesc.get("FontBBox")));
- dic.put(PdfName.FONTNAME, new PdfName(fontName + style));
- dic.put(PdfName.ITALICANGLE, new PdfLiteral((String)fontDesc.get("ItalicAngle")));
- dic.put(PdfName.STEMV, new PdfLiteral((String)fontDesc.get("StemV")));
- PdfDictionary pdic = new PdfDictionary();
- pdic.put(PdfName.PANOSE, new PdfString((String)fontDesc.get("Panose"), null));
- dic.put(PdfName.STYLE, pdic);
- return dic;
- }
-
- private PdfDictionary getCIDFont(PdfIndirectReference fontDescriptor, IntHashtable cjkTag) {
- PdfDictionary dic = new PdfDictionary(PdfName.FONT);
- dic.put(PdfName.SUBTYPE, PdfName.CIDFONTTYPE0);
- dic.put(PdfName.BASEFONT, new PdfName(fontName + style));
- dic.put(PdfName.FONTDESCRIPTOR, fontDescriptor);
- int keys[] = cjkTag.toOrderedKeys();
- String w = convertToHCIDMetrics(keys, hMetrics);
- if (w != null)
- dic.put(PdfName.W, new PdfLiteral(w));
- if (vertical) {
- w = convertToVCIDMetrics(keys, vMetrics, hMetrics);;
- if (w != null)
- dic.put(PdfName.W2, new PdfLiteral(w));
- }
- else
- dic.put(PdfName.DW, new PdfNumber(1000));
- PdfDictionary cdic = new PdfDictionary();
- cdic.put(PdfName.REGISTRY, new PdfString((String)fontDesc.get("Registry"), null));
- cdic.put(PdfName.ORDERING, new PdfString((String)fontDesc.get("Ordering"), null));
- cdic.put(PdfName.SUPPLEMENT, new PdfLiteral((String)fontDesc.get("Supplement")));
- dic.put(PdfName.CIDSYSTEMINFO, cdic);
- return dic;
- }
-
- private PdfDictionary getFontBaseType(PdfIndirectReference CIDFont) {
- PdfDictionary dic = new PdfDictionary(PdfName.FONT);
- dic.put(PdfName.SUBTYPE, PdfName.TYPE0);
- String name = fontName;
- if (style.length() > 0)
- name += "-" + style.substring(1);
- name += "-" + CMap;
- dic.put(PdfName.BASEFONT, new PdfName(name));
- dic.put(PdfName.ENCODING, new PdfName(CMap));
- dic.put(PdfName.DESCENDANTFONTS, new PdfArray(CIDFont));
- return dic;
- }
-
- void writeFont(PdfWriter writer, PdfIndirectReference ref, Object params[]) throws DocumentException, IOException {
- IntHashtable cjkTag = (IntHashtable)params[0];
- PdfIndirectReference ind_font = null;
- PdfObject pobj = null;
- PdfIndirectObject obj = null;
- pobj = getFontDescriptor();
- if (pobj != null){
- obj = writer.addToBody(pobj);
- ind_font = obj.getIndirectReference();
- }
- pobj = getCIDFont(ind_font, cjkTag);
- if (pobj != null){
- obj = writer.addToBody(pobj);
- ind_font = obj.getIndirectReference();
- }
- pobj = getFontBaseType(ind_font);
- writer.addToBody(pobj, ref);
- }
-
- private float getDescNumber(String name) {
- return Integer.parseInt((String)fontDesc.get(name));
- }
-
- private float getBBox(int idx) {
- String s = (String)fontDesc.get("FontBBox");
- StringTokenizer tk = new StringTokenizer(s, " []\r\n\t\f");
- String ret = tk.nextToken();
- for (int k = 0; k < idx; ++k)
- ret = tk.nextToken();
- return Integer.parseInt(ret);
- }
-
- /** Gets the font parameter identified by <CODE>key</CODE>. Valid values
- * for <CODE>key</CODE> are <CODE>ASCENT</CODE>, <CODE>CAPHEIGHT</CODE>, <CODE>DESCENT</CODE>
- * and <CODE>ITALICANGLE</CODE>.
- * @param key the parameter to be extracted
- * @param fontSize the font size in points
- * @return the parameter in points
- */
- public float getFontDescriptor(int key, float fontSize) {
- switch (key) {
- case AWT_ASCENT:
- case ASCENT:
- return getDescNumber("Ascent") * fontSize / 1000;
- case CAPHEIGHT:
- return getDescNumber("CapHeight") * fontSize / 1000;
- case AWT_DESCENT:
- case DESCENT:
- return getDescNumber("Descent") * fontSize / 1000;
- case ITALICANGLE:
- return getDescNumber("ItalicAngle");
- case BBOXLLX:
- return fontSize * getBBox(0) / 1000;
- case BBOXLLY:
- return fontSize * getBBox(1) / 1000;
- case BBOXURX:
- return fontSize * getBBox(2) / 1000;
- case BBOXURY:
- return fontSize * getBBox(3) / 1000;
- case AWT_LEADING:
- return 0;
- case AWT_MAXADVANCE:
- return fontSize * (getBBox(2) - getBBox(0)) / 1000;
- }
- return 0;
- }
-
- public String getPostscriptFontName() {
- return fontName;
- }
-
- /** Gets the full name of the font. If it is a True Type font
- * each array element will have {Platform ID, Platform Encoding ID,
- * Language ID, font name}. The interpretation of this values can be
- * found in the Open Type specification, chapter 2, in the 'name' table.<br>
- * For the other fonts the array has a single element with {"", "", "",
- * font name}.
- * @return the full name of the font
- */
- public String[][] getFullFontName() {
- return new String[][]{{"", "", "", fontName}};
- }
-
- /** Gets the family name of the font. If it is a True Type font
- * each array element will have {Platform ID, Platform Encoding ID,
- * Language ID, font name}. The interpretation of this values can be
- * found in the Open Type specification, chapter 2, in the 'name' table.<br>
- * For the other fonts the array has a single element with {"", "", "",
- * font name}.
- * @return the family name of the font
- */
- public String[][] getFamilyFontName() {
- return getFullFontName();
- }
-
- static char[] readCMap(String name) {
- try {
- name = name + ".cmap";
- InputStream is = getResourceStream(RESOURCE_PATH + name);
- char c[] = new char[0x10000];
- for (int k = 0; k < 0x10000; ++k)
- c[k] = (char)((is.read() << 8) + is.read());
- return c;
- }
- catch (Exception e) {
- // empty on purpose
- }
- return null;
- }
-
- static IntHashtable createMetric(String s) {
- IntHashtable h = new IntHashtable();
- StringTokenizer tk = new StringTokenizer(s);
- while (tk.hasMoreTokens()) {
- int n1 = Integer.parseInt(tk.nextToken());
- h.put(n1, Integer.parseInt(tk.nextToken()));
- }
- return h;
- }
-
- static String convertToHCIDMetrics(int keys[], IntHashtable h) {
- if (keys.length == 0)
- return null;
- int lastCid = 0;
- int lastValue = 0;
- int start;
- for (start = 0; start < keys.length; ++start) {
- lastCid = keys[start];
- lastValue = h.get(lastCid);
- if (lastValue != 0) {
- ++start;
- break;
- }
- }
- if (lastValue == 0)
- return null;
- StringBuffer buf = new StringBuffer();
- buf.append('[');
- buf.append(lastCid);
- int state = FIRST;
- for (int k = start; k < keys.length; ++k) {
- int cid = keys[k];
- int value = h.get(cid);
- if (value == 0)
- continue;
- switch (state) {
- case FIRST: {
- if (cid == lastCid + 1 && value == lastValue) {
- state = SERIAL;
- }
- else if (cid == lastCid + 1) {
- state = BRACKET;
- buf.append('[').append(lastValue);
- }
- else {
- buf.append('[').append(lastValue).append(']').append(cid);
- }
- break;
- }
- case BRACKET: {
- if (cid == lastCid + 1 && value == lastValue) {
- state = SERIAL;
- buf.append(']').append(lastCid);
- }
- else if (cid == lastCid + 1) {
- buf.append(' ').append(lastValue);
- }
- else {
- state = FIRST;
- buf.append(' ').append(lastValue).append(']').append(cid);
- }
- break;
- }
- case SERIAL: {
- if (cid != lastCid + 1 || value != lastValue) {
- buf.append(' ').append(lastCid).append(' ').append(lastValue).append(' ').append(cid);
- state = FIRST;
- }
- break;
- }
- }
- lastValue = value;
- lastCid = cid;
- }
- switch (state) {
- case FIRST: {
- buf.append('[').append(lastValue).append("]]");
- break;
- }
- case BRACKET: {
- buf.append(' ').append(lastValue).append("]]");
- break;
- }
- case SERIAL: {
- buf.append(' ').append(lastCid).append(' ').append(lastValue).append(']');
- break;
- }
- }
- return buf.toString();
- }
-
- static String convertToVCIDMetrics(int keys[], IntHashtable v, IntHashtable h) {
- if (keys.length == 0)
- return null;
- int lastCid = 0;
- int lastValue = 0;
- int lastHValue = 0;
- int start;
- for (start = 0; start < keys.length; ++start) {
- lastCid = keys[start];
- lastValue = v.get(lastCid);
- if (lastValue != 0) {
- ++start;
- break;
- }
- else
- lastHValue = h.get(lastCid);
- }
- if (lastValue == 0)
- return null;
- if (lastHValue == 0)
- lastHValue = 1000;
- StringBuffer buf = new StringBuffer();
- buf.append('[');
- buf.append(lastCid);
- int state = FIRST;
- for (int k = start; k < keys.length; ++k) {
- int cid = keys[k];
- int value = v.get(cid);
- if (value == 0)
- continue;
- int hValue = h.get(lastCid);
- if (hValue == 0)
- hValue = 1000;
- switch (state) {
- case FIRST: {
- if (cid == lastCid + 1 && value == lastValue && hValue == lastHValue) {
- state = SERIAL;
- }
- else {
- buf.append(' ').append(lastCid).append(' ').append(-lastValue).append(' ').append(lastHValue / 2).append(' ').append(V1Y).append(' ').append(cid);
- }
- break;
- }
- case SERIAL: {
- if (cid != lastCid + 1 || value != lastValue || hValue != lastHValue) {
- buf.append(' ').append(lastCid).append(' ').append(-lastValue).append(' ').append(lastHValue / 2).append(' ').append(V1Y).append(' ').append(cid);
- state = FIRST;
- }
- break;
- }
- }
- lastValue = value;
- lastCid = cid;
- lastHValue = hValue;
- }
- buf.append(' ').append(lastCid).append(' ').append(-lastValue).append(' ').append(lastHValue / 2).append(' ').append(V1Y).append(" ]");
- return buf.toString();
- }
-
- static HashMap readFontProperties(String name) {
- try {
- name += ".properties";
- InputStream is = getResourceStream(RESOURCE_PATH + name);
- Properties p = new Properties();
- p.load(is);
- is.close();
- IntHashtable W = createMetric(p.getProperty("W"));
- p.remove("W");
- IntHashtable W2 = createMetric(p.getProperty("W2"));
- p.remove("W2");
- HashMap map = new HashMap();
- for (Enumeration e = p.keys(); e.hasMoreElements();) {
- Object obj = e.nextElement();
- map.put(obj, p.getProperty((String)obj));
- }
- map.put("W", W);
- map.put("W2", W2);
- return map;
- }
- catch (Exception e) {
- // empty on purpose
- }
- return null;
- }
-
- public char getUnicodeEquivalent(char c) {
- if (cidDirect)
- return translationMap[c];
- return c;
- }
-
- public char getCidCode(char c) {
- if (cidDirect)
- return c;
- return translationMap[c];
- }
-
- /** Checks if the font has any kerning pairs.
- * @return always <CODE>false</CODE>
- */
- public boolean hasKernPairs() {
- return false;
- }
-
- /**
- * 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) {
- return translationMap[c] != 0;
- }
-
- /**
- * 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. Will always return <CODE>false</CODE>
- */
- public boolean setCharAdvance(char c, int advance) {
- return false;
- }
-
- /**
- * Sets the font name that will appear in the pdf font dictionary.
- * Use with care as it can easily make a font unreadable if not embedded.
- * @param name the new font name
- */
- public void setPostscriptFontName(String name) {
- fontName = name;
- }
-
- public boolean setKerning(char char1, char char2, int kern) {
- return false;
- }
-
- public int[] getCharBBox(char c) {
- return null;
- }
-
- protected int[] getRawCharBBox(int c, String name) {
- return null;
- }
-}
\ No newline at end of file |