/*
* $Id: Type1Font.java 5075 2012-02-27 16:36:18Z blowagie $
*
* This file is part of the iText (R) project.
* Copyright (c) 1998-2012 1T3XT BVBA
* Authors: Bruno Lowagie, Paulo Soares, et al.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License version 3
* as published by the Free Software Foundation with the addition of the
* following permission added to Section 15 as permitted in Section 7(a):
* FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY 1T3XT,
* 1T3XT DISCLAIMS THE WARRANTY OF NON INFRINGEMENT OF THIRD PARTY RIGHTS.
*
* This program 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 Affero General Public License for more details.
* You should have received a copy of the GNU Affero General Public License
* along with this program; if not, see http://www.gnu.org/licenses or write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA, 02110-1301 USA, or download the license from the following URL:
* http://itextpdf.com/terms-of-use/
*
* The interactive user interfaces in modified source and object code versions
* of this program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU Affero General Public License.
*
* In accordance with Section 7(b) of the GNU Affero General Public License,
* a covered work must retain the producer line in every PDF that is created
* or manipulated using iText.
*
* You can be released from the requirements of the license by purchasing
* a commercial license. Buying such a license is mandatory as soon as you
* develop commercial activities involving the iText software without
* disclosing the source code of your own applications.
* These activities include: offering paid services to customers as an ASP,
* serving PDFs on the fly in a web application, shipping iText with a closed
* source product.
*
* For more information, please contact iText Software Corp. at this
* address: sales@itextpdf.com
*/
package com.itextpdf.text.pdf;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.HashMap;
import java.util.StringTokenizer;
import com.itextpdf.text.Document;
import com.itextpdf.text.DocumentException;
import com.itextpdf.text.error_messages.MessageLocalization;
import com.itextpdf.text.pdf.fonts.FontsResourceAnchor;
/** Reads a Type1 font
*
* @author Paulo Soares
*/
class Type1Font extends BaseFont
{
private static FontsResourceAnchor resourceAnchor;
/** The PFB file if the input was made with a <CODE>byte</CODE> array.
*/
protected byte pfb[];
/** The Postscript font name.
*/
private String FontName;
/** The full name of the font.
*/
private String FullName;
/** The family name of the font.
*/
private String FamilyName;
/** The weight of the font: normal, bold, etc.
*/
private String Weight = "";
/** The italic angle of the font, usually 0.0 or negative.
*/
private float ItalicAngle = 0.0f;
/** <CODE>true</CODE> if all the characters have the same
* width.
*/
private boolean IsFixedPitch = false;
/** The character set of the font.
*/
private String CharacterSet;
/** The llx of the FontBox.
*/
private int llx = -50;
/** The lly of the FontBox.
*/
private int lly = -200;
/** The lurx of the FontBox.
*/
private int urx = 1000;
/** The ury of the FontBox.
*/
private int ury = 900;
/** The underline position.
*/
private int UnderlinePosition = -100;
/** The underline thickness.
*/
private int UnderlineThickness = 50;
/** The font's encoding name. This encoding is 'StandardEncoding' or
* 'AdobeStandardEncoding' for a font that can be totally encoded
* according to the characters names. For all other names the
* font is treated as symbolic.
*/
private String EncodingScheme = "FontSpecific";
/** A variable.
*/
private int CapHeight = 700;
/** A variable.
*/
private int XHeight = 480;
/** A variable.
*/
private int Ascender = 800;
/** A variable.
*/
private int Descender = -200;
/** A variable.
*/
private int StdHW;
/** A variable.
*/
private int StdVW = 80;
/** Represents the section CharMetrics in the AFM file. Each
* value of this array contains a <CODE>Object[4]</CODE> with an
* Integer, Integer, String and int[]. This is the code, width, name and char bbox.
* The key is the name of the char and also an Integer with the char number.
*/
private HashMap<Object, Object[]> CharMetrics = new HashMap<Object, Object[]>();
/** Represents the section KernPairs in the AFM file. The key is
* the name of the first character and the value is a <CODE>Object[]</CODE>
* with 2 elements for each kern pair. Position 0 is the name of
* the second character and position 1 is the kerning distance. This is
* repeated for all the pairs.
*/
private HashMap<String, Object[]> KernPairs = new HashMap<String, Object[]>();
/** The file in use.
*/
private String fileName;
/** <CODE>true</CODE> if this font is one of the 14 built in fonts.
*/
private boolean builtinFont = false;
/** Types of records in a PFB file. ASCII is 1 and BINARY is 2.
* They have to appear in the PFB file in this sequence.
*/
private static final int PFB_TYPES[] = {1, 2, 1};
/** Creates a new Type1 font.
* @param ttfAfm the AFM file if the input is made with a <CODE>byte</CODE> array
* @param pfb the PFB file if the input is made with a <CODE>byte</CODE> array
* @param afmFile the name of one of the 14 built-in fonts or the location of an AFM file. The file must end in '.afm'
* @param enc the encoding to be applied to this font
* @param emb true if the font is to be embedded in the PDF
* @throws DocumentException the AFM file is invalid
* @throws IOException the AFM file could not be read
* @since 2.1.5
*/
Type1Font(String afmFile, String enc, boolean emb, byte ttfAfm[], byte pfb[], boolean forceRead)
throws DocumentException, IOException {
if (emb && ttfAfm != null && pfb == null)
throw new DocumentException(MessageLocalization.getComposedMessage("two.byte.arrays.are.needed.if.the.type1.font.is.embedded"));
if (emb && ttfAfm != null)
this.pfb = pfb;
encoding = enc;
embedded = emb;
fileName = afmFile;
fontType = FONT_TYPE_T1;
RandomAccessFileOrArray rf = null;
InputStream is = null;
if (BuiltinFonts14.containsKey(afmFile)) {
embedded = false;
builtinFont = true;
byte buf[] = new byte[1024];
try {
if (resourceAnchor == null)
resourceAnchor = new FontsResourceAnchor();
is = getResourceStream(RESOURCE_PATH + afmFile + ".afm", resourceAnchor.getClass().getClassLoader());
if (is == null) {
String msg = MessageLocalization.getComposedMessage("1.not.found.as.resource", afmFile);
System.err.println(msg);
throw new DocumentException(msg);
}
ByteArrayOutputStream out = new ByteArrayOutputStream();
while (true) {
int size = is.read(buf);
if (size < 0)
break;
out.write(buf, 0, size);
}
buf = out.toByteArray();
}
finally {
if (is != null) {
try {
is.close();
}
catch (Exception e) {
// empty on purpose
}
}
}
try {
rf = new RandomAccessFileOrArray(buf);
process(rf);
}
finally {
if (rf != null) {
try {
rf.close();
}
catch (Exception e) {
// empty on purpose
}
}
}
}
else if (afmFile.toLowerCase().endsWith(".afm")) {
try {
if (ttfAfm == null)
rf = new RandomAccessFileOrArray(afmFile, forceRead, Document.plainRandomAccess);
else
rf = new RandomAccessFileOrArray(ttfAfm);
process(rf);
}
finally {
if (rf != null) {
try {
rf.close();
}
catch (Exception e) {
// empty on purpose
}
}
}
}
else if (afmFile.toLowerCase().endsWith(".pfm")) {
try {
ByteArrayOutputStream ba = new ByteArrayOutputStream();
if (ttfAfm == null)
rf = new RandomAccessFileOrArray(afmFile, forceRead, Document.plainRandomAccess);
else
rf = new RandomAccessFileOrArray(ttfAfm);
Pfm2afm.convert(rf, ba);
rf.close();
rf = new RandomAccessFileOrArray(ba.toByteArray());
process(rf);
}
finally {
if (rf != null) {
try {
rf.close();
}
catch (Exception e) {
// empty on purpose
}
}
}
}
else
throw new DocumentException(MessageLocalization.getComposedMessage("1.is.not.an.afm.or.pfm.font.file", afmFile));
EncodingScheme = EncodingScheme.trim();
if (EncodingScheme.equals("AdobeStandardEncoding") || EncodingScheme.equals("StandardEncoding")) {
fontSpecific = false;
}
if (!encoding.startsWith("#"))
PdfEncodings.convertToBytes(" ", enc); // check if the encoding exists
createEncoding();
}
/** Gets the width from the font according to the <CODE>name</CODE> or,
* if the <CODE>name</CODE> is null, meaning it is a symbolic font,
* the char <CODE>c</CODE>.
* @param c the char if the font is symbolic
* @param name the glyph name
* @return the width of the char
*/
@Override
int getRawWidth(int c, String name) {
Object metrics[];
if (name == null) { // font specific
metrics = CharMetrics.get(Integer.valueOf(c));
}
else {
if (name.equals(".notdef"))
return 0;
metrics = CharMetrics.get(name);
}
if (metrics != null)
return ((Integer)metrics[1]).intValue();
return 0;
}
/** Gets the kerning between two Unicode characters. The characters
* are converted to names and this names are used to find the kerning
* pairs in the <CODE>HashMap</CODE> <CODE>KernPairs</CODE>.
* @param char1 the first char
* @param char2 the second char
* @return the kerning to be applied
*/
@Override
public int getKerning(int char1, int char2)
{
String first = GlyphList.unicodeToName(char1);
if (first == null)
return 0;
String second = GlyphList.unicodeToName(char2);
if (second == null)
return 0;
Object obj[] = KernPairs.get(first);
if (obj == null)
return 0;
for (int k = 0; k < obj.length; k += 2) {
if (second.equals(obj[k]))
return ((Integer)obj[k + 1]).intValue();
}
return 0;
}
/** Reads the font metrics
* @param rf the AFM file
* @throws DocumentException the AFM file is invalid
* @throws IOException the AFM file could not be read
*/
public void process(RandomAccessFileOrArray rf) throws DocumentException, IOException
{
String line;
boolean isMetrics = false;
while ((line = rf.readLine()) != null)
{
StringTokenizer tok = new StringTokenizer(line, " ,\n\r\t\f");
if (!tok.hasMoreTokens())
continue;
String ident = tok.nextToken();
if (ident.equals("FontName"))
FontName = tok.nextToken("\u00ff").substring(1);
else if (ident.equals("FullName"))
FullName = tok.nextToken("\u00ff").substring(1);
else if (ident.equals("FamilyName"))
FamilyName = tok.nextToken("\u00ff").substring(1);
else if (ident.equals("Weight"))
Weight = tok.nextToken("\u00ff").substring(1);
else if (ident.equals("ItalicAngle"))
ItalicAngle = Float.parseFloat(tok.nextToken());
else if (ident.equals("IsFixedPitch"))
IsFixedPitch = tok.nextToken().equals("true");
else if (ident.equals("CharacterSet"))
CharacterSet = tok.nextToken("\u00ff").substring(1);
else if (ident.equals("FontBBox"))
{
llx = (int)Float.parseFloat(tok.nextToken());
lly = (int)Float.parseFloat(tok.nextToken());
urx = (int)Float.parseFloat(tok.nextToken());
ury = (int)Float.parseFloat(tok.nextToken());
}
else if (ident.equals("UnderlinePosition"))
UnderlinePosition = (int)Float.parseFloat(tok.nextToken());
else if (ident.equals("UnderlineThickness"))
UnderlineThickness = (int)Float.parseFloat(tok.nextToken());
else if (ident.equals("EncodingScheme"))
EncodingScheme = tok.nextToken("\u00ff").substring(1);
else if (ident.equals("CapHeight"))
CapHeight = (int)Float.parseFloat(tok.nextToken());
else if (ident.equals("XHeight"))
XHeight = (int)Float.parseFloat(tok.nextToken());
else if (ident.equals("Ascender"))
Ascender = (int)Float.parseFloat(tok.nextToken());
else if (ident.equals("Descender"))
Descender = (int)Float.parseFloat(tok.nextToken());
else if (ident.equals("StdHW"))
StdHW = (int)Float.parseFloat(tok.nextToken());
else if (ident.equals("StdVW"))
StdVW = (int)Float.parseFloat(tok.nextToken());
else if (ident.equals("StartCharMetrics"))
{
isMetrics = true;
break;
}
}
if (!isMetrics)
throw new DocumentException(MessageLocalization.getComposedMessage("missing.startcharmetrics.in.1", fileName));
while ((line = rf.readLine()) != null)
{
StringTokenizer tok = new StringTokenizer(line);
if (!tok.hasMoreTokens())
continue;
String ident = tok.nextToken();
if (ident.equals("EndCharMetrics"))
{
isMetrics = false;
break;
}
Integer C = Integer.valueOf(-1);
Integer WX = Integer.valueOf(250);
String N = "";
int B[] = null;
tok = new StringTokenizer(line, ";");
while (tok.hasMoreTokens())
{
StringTokenizer tokc = new StringTokenizer(tok.nextToken());
if (!tokc.hasMoreTokens())
continue;
ident = tokc.nextToken();
if (ident.equals("C"))
C = Integer.valueOf(tokc.nextToken());
else if (ident.equals("WX"))
WX = Integer.valueOf((int)Float.parseFloat(tokc.nextToken()));
else if (ident.equals("N"))
N = tokc.nextToken();
else if (ident.equals("B")) {
B = new int[]{Integer.parseInt(tokc.nextToken()),
Integer.parseInt(tokc.nextToken()),
Integer.parseInt(tokc.nextToken()),
Integer.parseInt(tokc.nextToken())};
}
}
Object metrics[] = new Object[]{C, WX, N, B};
if (C.intValue() >= 0)
CharMetrics.put(C, metrics);
CharMetrics.put(N, metrics);
}
if (isMetrics)
throw new DocumentException(MessageLocalization.getComposedMessage("missing.endcharmetrics.in.1", fileName));
if (!CharMetrics.containsKey("nonbreakingspace")) {
Object[] space = CharMetrics.get("space");
if (space != null)
CharMetrics.put("nonbreakingspace", space);
}
while ((line = rf.readLine()) != null)
{
StringTokenizer tok = new StringTokenizer(line);
if (!tok.hasMoreTokens())
continue;
String ident = tok.nextToken();
if (ident.equals("EndFontMetrics"))
return;
if (ident.equals("StartKernPairs"))
{
isMetrics = true;
break;
}
}
if (!isMetrics)
throw new DocumentException(MessageLocalization.getComposedMessage("missing.endfontmetrics.in.1", fileName));
while ((line = rf.readLine()) != null)
{
StringTokenizer tok = new StringTokenizer(line);
if (!tok.hasMoreTokens())
continue;
String ident = tok.nextToken();
if (ident.equals("KPX"))
{
String first = tok.nextToken();
String second = tok.nextToken();
Integer width = Integer.valueOf((int)Float.parseFloat(tok.nextToken()));
Object relates[] = KernPairs.get(first);
if (relates == null)
KernPairs.put(first, new Object[]{second, width});
else
{
int n = relates.length;
Object relates2[] = new Object[n + 2];
System.arraycopy(relates, 0, relates2, 0, n);
relates2[n] = second;
relates2[n + 1] = width;
KernPairs.put(first, relates2);
}
}
else if (ident.equals("EndKernPairs"))
{
isMetrics = false;
break;
}
}
if (isMetrics)
throw new DocumentException(MessageLocalization.getComposedMessage("missing.endkernpairs.in.1", fileName));
rf.close();
}
/** If the embedded flag is <CODE>false</CODE> or if the font is
* one of the 14 built in types, it returns <CODE>null</CODE>,
* otherwise the font is read and output in a PdfStream object.
* @return the PdfStream containing the font or <CODE>null</CODE>
* @throws DocumentException if there is an error reading the font
* @since 2.1.3
*/
@Override
public PdfStream getFullFontStream() throws DocumentException
{
if (builtinFont || !embedded)
return null;
RandomAccessFileOrArray rf = null;
try {
String filePfb = fileName.substring(0, fileName.length() - 3) + "pfb";
if (pfb == null)
rf = new RandomAccessFileOrArray(filePfb, true, Document.plainRandomAccess);
else
rf = new RandomAccessFileOrArray(pfb);
int fileLength = (int)rf.length();
byte st[] = new byte[fileLength - 18];
int lengths[] = new int[3];
int bytePtr = 0;
for (int k = 0; k < 3; ++k) {
if (rf.read() != 0x80)
throw new DocumentException(MessageLocalization.getComposedMessage("start.marker.missing.in.1", filePfb));
if (rf.read() != PFB_TYPES[k])
throw new DocumentException(MessageLocalization.getComposedMessage("incorrect.segment.type.in.1", filePfb));
int size = rf.read();
size += rf.read() << 8;
size += rf.read() << 16;
size += rf.read() << 24;
lengths[k] = size;
while (size != 0) {
int got = rf.read(st, bytePtr, size);
if (got < 0)
throw new DocumentException(MessageLocalization.getComposedMessage("premature.end.in.1", filePfb));
bytePtr += got;
size -= got;
}
}
return new StreamFont(st, lengths, compressionLevel);
}
catch (Exception e) {
throw new DocumentException(e);
}
finally {
if (rf != null) {
try {
rf.close();
}
catch (Exception e) {
// empty on purpose
}
}
}
}
/** Generates the font descriptor for this font or <CODE>null</CODE> if it is
* one of the 14 built in fonts.
* @param fontStream the indirect reference to a PdfStream containing the font or <CODE>null</CODE>
* @return the PdfDictionary containing the font descriptor or <CODE>null</CODE>
*/
private PdfDictionary getFontDescriptor(PdfIndirectReference fontStream)
{
if (builtinFont)
return null;
PdfDictionary dic = new PdfDictionary(PdfName.FONTDESCRIPTOR);
dic.put(PdfName.ASCENT, new PdfNumber(Ascender));
dic.put(PdfName.CAPHEIGHT, new PdfNumber(CapHeight));
dic.put(PdfName.DESCENT, new PdfNumber(Descender));
dic.put(PdfName.FONTBBOX, new PdfRectangle(llx, lly, urx, ury));
dic.put(PdfName.FONTNAME, new PdfName(FontName));
dic.put(PdfName.ITALICANGLE, new PdfNumber(ItalicAngle));
dic.put(PdfName.STEMV, new PdfNumber(StdVW));
if (fontStream != null)
dic.put(PdfName.FONTFILE, fontStream);
int flags = 0;
if (IsFixedPitch)
flags |= 1;
flags |= fontSpecific ? 4 : 32;
if (ItalicAngle < 0)
flags |= 64;
if (FontName.indexOf("Caps") >= 0 || FontName.endsWith("SC"))
flags |= 131072;
if (Weight.equals("Bold"))
flags |= 262144;
dic.put(PdfName.FLAGS, new PdfNumber(flags));
return dic;
}
/** Generates the font dictionary for this font.
* @return the PdfDictionary containing the font dictionary
* @param firstChar the first valid character
* @param lastChar the last valid character
* @param shortTag a 256 bytes long <CODE>byte</CODE> array where each unused byte is represented by 0
* @param fontDescriptor the indirect reference to a PdfDictionary containing the font descriptor or <CODE>null</CODE>
*/
private PdfDictionary getFontBaseType(PdfIndirectReference fontDescriptor, int firstChar, int lastChar, byte shortTag[])
{
PdfDictionary dic = new PdfDictionary(PdfName.FONT);
dic.put(PdfName.SUBTYPE, PdfName.TYPE1);
dic.put(PdfName.BASEFONT, new PdfName(FontName));
boolean stdEncoding = encoding.equals("Cp1252") || encoding.equals("MacRoman");
if (!fontSpecific || specialMap != null) {
for (int k = firstChar; k <= lastChar; ++k) {
if (!differences[k].equals(notdef)) {
firstChar = k;
break;
}
}
if (stdEncoding)
dic.put(PdfName.ENCODING, encoding.equals("Cp1252") ? PdfName.WIN_ANSI_ENCODING : PdfName.MAC_ROMAN_ENCODING);
else {
PdfDictionary enc = new PdfDictionary(PdfName.ENCODING);
PdfArray dif = new PdfArray();
boolean gap = true;
for (int k = firstChar; k <= lastChar; ++k) {
if (shortTag[k] != 0) {
if (gap) {
dif.add(new PdfNumber(k));
gap = false;
}
dif.add(new PdfName(differences[k]));
}
else
gap = true;
}
enc.put(PdfName.DIFFERENCES, dif);
dic.put(PdfName.ENCODING, enc);
}
}
if (specialMap != null || forceWidthsOutput || !(builtinFont && (fontSpecific || stdEncoding))) {
dic.put(PdfName.FIRSTCHAR, new PdfNumber(firstChar));
dic.put(PdfName.LASTCHAR, new PdfNumber(lastChar));
PdfArray wd = new PdfArray();
for (int k = firstChar; k <= lastChar; ++k) {
if (shortTag[k] == 0)
wd.add(new PdfNumber(0));
else
wd.add(new PdfNumber(widths[k]));
}
dic.put(PdfName.WIDTHS, wd);
}
if (!builtinFont && fontDescriptor != null)
dic.put(PdfName.FONTDESCRIPTOR, fontDescriptor);
return dic;
}
/** 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
*/
@Override
void writeFont(PdfWriter writer, PdfIndirectReference ref, Object params[]) throws DocumentException, IOException {
int firstChar = ((Integer)params[0]).intValue();
int lastChar = ((Integer)params[1]).intValue();
byte shortTag[] = (byte[])params[2];
boolean subsetp = ((Boolean)params[3]).booleanValue() && subset;
if (!subsetp) {
firstChar = 0;
lastChar = shortTag.length - 1;
for (int k = 0; k < shortTag.length; ++k)
shortTag[k] = 1;
}
PdfIndirectReference ind_font = null;
PdfObject pobj = null;
PdfIndirectObject obj = null;
pobj = getFullFontStream();
if (pobj != null){
obj = writer.addToBody(pobj);
ind_font = obj.getIndirectReference();
}
pobj = getFontDescriptor(ind_font);
if (pobj != null){
obj = writer.addToBody(pobj);
ind_font = obj.getIndirectReference();
}
pobj = getFontBaseType(ind_font, firstChar, lastChar, shortTag);
writer.addToBody(pobj, ref);
}
/** 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>,
* <CODE>ITALICANGLE</CODE>, <CODE>BBOXLLX</CODE>, <CODE>BBOXLLY</CODE>, <CODE>BBOXURX</CODE>
* and <CODE>BBOXURY</CODE>.
* @param key the parameter to be extracted
* @param fontSize the font size in points
* @return the parameter in points
*/
@Override
public float getFontDescriptor(int key, float 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;
case UNDERLINE_POSITION:
return UnderlinePosition * fontSize / 1000;
case UNDERLINE_THICKNESS:
return UnderlineThickness * fontSize / 1000;
}
return 0;
}
/** Gets the postscript font name.
* @return the postscript font name
*/
@Override
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
*/
@Override
public String[][] getFullFontName() {
return new String[][]{{"", "", "", FullName}};
}
/** Gets all the entries of the names-table. If it is a True Type font
* each array element will have {Name ID, 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 {"4", "", "", "",
* font name}.
* @return the full name of the font
*/
@Override
public String[][] getAllNameEntries() {
return new String[][]{{"4", "", "", "", FullName}};
}
/** 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
*/
@Override
public String[][] getFamilyFontName() {
return new String[][]{{"", "", "", FamilyName}};
}
/** Checks if the font has any kerning pairs.
* @return <CODE>true</CODE> if the font has any kerning pairs
*/
@Override
public boolean hasKernPairs() {
return !KernPairs.isEmpty();
}
/**
* 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
*/
@Override
public void setPostscriptFontName(String name) {
FontName = name;
}
/**
* Sets the kerning between two Unicode chars.
* @param char1 the first char
* @param char2 the second char
* @param kern the kerning to apply in normalized 1000 units
* @return <code>true</code> if the kerning was applied, <code>false</code> otherwise
*/
@Override
public boolean setKerning(int char1, int char2, int kern) {
String first = GlyphList.unicodeToName(char1);
if (first == null)
return false;
String second = GlyphList.unicodeToName(char2);
if (second == null)
return false;
Object obj[] = KernPairs.get(first);
if (obj == null) {
obj = new Object[]{second, Integer.valueOf(kern)};
KernPairs.put(first, obj);
return true;
}
for (int k = 0; k < obj.length; k += 2) {
if (second.equals(obj[k])) {
obj[k + 1] = Integer.valueOf(kern);
return true;
}
}
int size = obj.length;
Object obj2[] = new Object[size + 2];
System.arraycopy(obj, 0, obj2, 0, size);
obj2[size] = second;
obj2[size + 1] = Integer.valueOf(kern);
KernPairs.put(first, obj2);
return true;
}
@Override
protected int[] getRawCharBBox(int c, String name) {
Object metrics[];
if (name == null) { // font specific
metrics = CharMetrics.get(Integer.valueOf(c));
}
else {
if (name.equals(".notdef"))
return null;
metrics = CharMetrics.get(name);
}
if (metrics != null)
return (int[])metrics[3];
return null;
}
}