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/*
* Copyright 2004 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.io.IOException;
import java.util.ArrayList;
import com.lowagie.text.DocumentException;
import com.lowagie.text.ExceptionConverter;
/**
*
* @author psoares
*/
public class DocumentFont extends BaseFont {
String fontName;
PRIndirectReference refFont;
PdfDictionary font;
IntHashtable uni2byte = new IntHashtable();
float Ascender = 800;
float CapHeight = 700;
float Descender = -200;
float ItalicAngle = 0;
float llx = -50;
float lly = -200;
float urx = 100;
float ury = 900;
BaseFont cjkMirror;
String cjkNames[] = {"HeiseiMin-W3", "HeiseiKakuGo-W5", "STSong-Light", "MHei-Medium",
"MSung-Light", "HYGoThic-Medium", "HYSMyeongJo-Medium", "MSungStd-Light", "STSongStd-Light",
"HYSMyeongJoStd-Medium", "KozMinPro-Regular"};
String cjkEncs[] = {"UniJIS-UCS2-H", "UniJIS-UCS2-H", "UniGB-UCS2-H", "UniCNS-UCS2-H",
"UniCNS-UCS2-H", "UniKS-UCS2-H", "UniKS-UCS2-H", "UniCNS-UCS2-H", "UniGB-UCS2-H",
"UniKS-UCS2-H", "UniJIS-UCS2-H"};
static final int stdEnc[] = {
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
32,33,34,35,36,37,38,8217,40,41,42,43,44,45,46,47,
48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,
64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,
80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,
8216,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,
112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,161,162,163,8260,165,402,167,164,39,8220,171,8249,8250,64257,64258,
0,8211,8224,8225,183,0,182,8226,8218,8222,8221,187,8230,8240,0,191,
0,96,180,710,732,175,728,729,168,0,730,184,0,733,731,711,
8212,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,198,0,170,0,0,0,0,321,216,338,186,0,0,0,0,
0,230,0,0,0,305,0,0,322,248,339,223,0,0,0,0};
/** Creates a new instance of DocumentFont */
DocumentFont(PRIndirectReference refFont) {
encoding = "";
fontSpecific = false;
this.refFont = refFont;
fontType = FONT_TYPE_DOCUMENT;
font = (PdfDictionary)PdfReader.getPdfObject(refFont);
fontName = PdfName.decodeName(((PdfName)PdfReader.getPdfObject(font.get(PdfName.BASEFONT))).toString());
PdfName subType = (PdfName)PdfReader.getPdfObject(font.get(PdfName.SUBTYPE));
if (PdfName.TYPE1.equals(subType) || PdfName.TRUETYPE.equals(subType))
doType1TT();
else {
for (int k = 0; k < cjkNames.length; ++k) {
if (fontName.startsWith(cjkNames[k])) {
fontName = cjkNames[k];
try {
cjkMirror = BaseFont.createFont(fontName, cjkEncs[k], false);
}
catch (Exception e) {
throw new ExceptionConverter(e);
}
return;
}
}
}
}
public void doType1TT() {
PdfObject enc = PdfReader.getPdfObject(font.get(PdfName.ENCODING));
if (enc == null)
fillEncoding(null);
else {
if (enc.isName())
fillEncoding((PdfName)enc);
else {
PdfDictionary encDic = (PdfDictionary)enc;
enc = PdfReader.getPdfObject(encDic.get(PdfName.BASEENCODING));
if (enc == null)
fillEncoding(null);
else
fillEncoding((PdfName)enc);
PdfArray diffs = (PdfArray)PdfReader.getPdfObject(encDic.get(PdfName.DIFFERENCES));
if (diffs != null) {
ArrayList dif = diffs.getArrayList();
int currentNumber = 0;
for (int k = 0; k < dif.size(); ++k) {
PdfObject obj = (PdfObject)dif.get(k);
if (obj.isNumber())
currentNumber = ((PdfNumber)obj).intValue();
else {
int c[] = GlyphList.nameToUnicode(PdfName.decodeName(((PdfName)obj).toString()));
if (c != null && c.length > 0)
uni2byte.put(c[0], currentNumber);
++currentNumber;
}
}
}
}
}
PdfArray newWidths = (PdfArray)PdfReader.getPdfObject(font.get(PdfName.WIDTHS));
PdfNumber first = (PdfNumber)PdfReader.getPdfObject(font.get(PdfName.FIRSTCHAR));
PdfNumber last = (PdfNumber)PdfReader.getPdfObject(font.get(PdfName.LASTCHAR));
if (BuiltinFonts14.containsKey(fontName)) {
BaseFont bf;
try {
bf = BaseFont.createFont(fontName, WINANSI, false);
}
catch (Exception e) {
throw new ExceptionConverter(e);
}
int e[] = uni2byte.toOrderedKeys();
for (int k = 0; k < e.length; ++k) {
int n = uni2byte.get(e[k]);
widths[n] = bf.getRawWidth(n, GlyphList.unicodeToName(e[k]));
}
Ascender = bf.getFontDescriptor(ASCENT, 1000);
CapHeight = bf.getFontDescriptor(CAPHEIGHT, 1000);
Descender = bf.getFontDescriptor(DESCENT, 1000);
ItalicAngle = bf.getFontDescriptor(ITALICANGLE, 1000);
llx = bf.getFontDescriptor(BBOXLLX, 1000);
lly = bf.getFontDescriptor(BBOXLLY, 1000);
urx = bf.getFontDescriptor(BBOXURX, 1000);
ury = bf.getFontDescriptor(BBOXURY, 1000);
}
if (first != null && last != null && newWidths != null) {
int f = ((PdfNumber)first).intValue();
ArrayList ar = ((PdfArray)newWidths).getArrayList();
for (int k = 0; k < ar.size(); ++k) {
widths[f + k] = ((PdfNumber)ar.get(k)).intValue();
}
}
fillFontDesc();
}
void fillFontDesc() {
PdfDictionary fontDesc = (PdfDictionary)PdfReader.getPdfObject(font.get(PdfName.FONTDESCRIPTOR));
if (fontDesc == null)
return;
PdfNumber v = (PdfNumber)PdfReader.getPdfObject(fontDesc.get(PdfName.ASCENT));
if (v != null)
Ascender = v.floatValue();
v = (PdfNumber)PdfReader.getPdfObject(fontDesc.get(PdfName.CAPHEIGHT));
if (v != null)
CapHeight = v.floatValue();
v = (PdfNumber)PdfReader.getPdfObject(fontDesc.get(PdfName.DESCENT));
if (v != null)
Descender = v.floatValue();
v = (PdfNumber)PdfReader.getPdfObject(fontDesc.get(PdfName.ITALICANGLE));
if (v != null)
ItalicAngle = v.floatValue();
PdfArray bbox = (PdfArray)PdfReader.getPdfObject(fontDesc.get(PdfName.FONTBBOX));
if (bbox != null) {
ArrayList ar = bbox.getArrayList();
llx = ((PdfNumber)ar.get(0)).floatValue();
lly = ((PdfNumber)ar.get(1)).floatValue();
urx = ((PdfNumber)ar.get(2)).floatValue();
ury = ((PdfNumber)ar.get(3)).floatValue();
if (llx > urx) {
float t = llx;
llx = urx;
urx = t;
}
if (lly > ury) {
float t = lly;
lly = ury;
ury = t;
}
}
}
void fillEncoding(PdfName encoding) {
if (PdfName.MAC_ROMAN_ENCODING.equals(encoding) || PdfName.WIN_ANSI_ENCODING.equals(encoding)) {
byte b[] = new byte[256];
for (int k = 0; k < 256; ++k)
b[k] = (byte)k;
String enc = WINANSI;
if (PdfName.MAC_ROMAN_ENCODING.equals(encoding))
enc = MACROMAN;
String cv = PdfEncodings.convertToString(b, enc);
char arr[] = cv.toCharArray();
for (int k = 0; k < 256; ++k)
uni2byte.put(arr[k], k);
}
else {
for (int k = 0; k < 256; ++k)
uni2byte.put(stdEnc[k], k);
}
}
/** 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.
* For the other fonts the array has a single element with {"", "", "",
* font name}.
* @return the family name of the font
*
*/
public String[][] getFamilyFontName() {
return null;
}
/** Gets the font parameter identified by key. Valid values
* for key are ASCENT, CAPHEIGHT, DESCENT,
* ITALICANGLE, BBOXLLX, BBOXLLY, BBOXURX
* and BBOXURY.
* @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) {
if (cjkMirror != null)
return cjkMirror.getFontDescriptor(key, fontSize);
switch (key) {
case AWT_ASCENT:
case ASCENT:
return Ascender * fontSize / 1000;
case CAPHEIGHT:
return CapHeight * fontSize / 1000;
case AWT_DESCENT:
case DESCENT:
return Descender * fontSize / 1000;
case ITALICANGLE:
return ItalicAngle;
case BBOXLLX:
return llx * fontSize / 1000;
case BBOXLLY:
return lly * fontSize / 1000;
case BBOXURX:
return urx * fontSize / 1000;
case BBOXURY:
return ury * fontSize / 1000;
case AWT_LEADING:
return 0;
case AWT_MAXADVANCE:
return (urx - llx) * fontSize / 1000;
}
return 0;
}
/** 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.
* For the other fonts the array has a single element with {"", "", "",
* font name}.
* @return the full name of the font
*
*/
public String[][] getFullFontName() {
return null;
}
/** Gets the kerning between two Unicode chars.
* @param char1 the first char
* @param char2 the second char
* @return the kerning to be applied
*
*/
public int getKerning(char char1, char char2) {
return 0;
}
/** Gets the postscript font name.
* @return the postscript font name
*
*/
public String getPostscriptFontName() {
return fontName;
}
/** Gets the width from the font according to the Unicode char c
* or the name. If the name is null it's a symbolic font.
* @param c the unicode char
* @param name the glyph name
* @return the width of the char
*
*/
int getRawWidth(int c, String name) {
return 0;
}
/** Checks if the font has any kerning pairs.
* @return true if the font has any kerning pairs
*
*/
public boolean hasKernPairs() {
return false;
}
/** 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 {
}
public int getWidth(String text) {
if (cjkMirror != null)
return cjkMirror.getWidth(text);
else
return super.getWidth(text);
}
byte[] convertToBytes(String text) {
if (cjkMirror != null)
return PdfEncodings.convertToBytes(text, CJKFont.CJK_ENCODING);
else {
char cc[] = text.toCharArray();
byte b[] = new byte[cc.length];
for (int k = 0; k < cc.length; ++k)
b[k] = (byte)uni2byte.get(cc[k]);
return b;
}
}
PdfIndirectReference getIndirectReference() {
return refFont;
}
public boolean charExists(char c) {
if (cjkMirror != null)
return cjkMirror.charExists(c);
else
return super.charExists(c);
}
/**
* Sets the font name that will appear in the pdf font dictionary.
* It does nothing in this case as the font is already in the document.
* @param name the new font name
*/
public void setPostscriptFontName(String 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;
}
}
