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/*
* ===========================================
* Java Pdf Extraction Decoding Access Library
* ===========================================
*
* Project Info: http://www.idrsolutions.com
* Help section for developers at http://www.idrsolutions.com/support/
*
* (C) Copyright 1997-2017 IDRsolutions and Contributors.
*
* This file is part of JPedal/JPDF2HTML5
*
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* ---------------
* FontObject.java
* ---------------
*/
package org.jpedal.objects.raw;
import org.jpedal.fonts.StandardFonts;
import org.jpedal.utils.LogWriter;
public class FontObject extends PdfObject {
//mapped onto Type1
private static final int MMType1 = 1230852645;
//mapped onto Type1
private static final int Type1C = 1077224796;
private static final int ZaDb = 707859506;
private static final int ZapfDingbats = 1889256112;
private static final int Symbol = 1026712197;
private PdfObject CharProcs, CIDSet, CIDSystemInfo, CIDToGIDMap,
DescendantFonts,
FontDescriptor, FontFile,
FontFile2, FontFile3, ToUnicode;
int BaseEncoding = PdfDictionary.Unknown;
int CIDToGIDMapAsConstant = PdfDictionary.Unknown;
int AvgWidth = -1, FirstChar, LastChar = 255, Flags, MissingWidth, DW = -1, StemV, Supplement;
float Ascent, Descent;
float[] Widths, FontBBox;
double[] FontMatrix;
byte[][] Differences;
Object[] W, W2;
private byte[] rawBaseFont, rawCharSet, rawCMapName,
rawFontName, rawFontStretch,
rawOrdering, rawRegistry;
private String BaseFont, CharSet, CMapName,
FontName, FontStretch, Ordering, Registry;
private int[] DW2;
public FontObject(final String ref) {
super(ref);
}
public FontObject(final int ref, final int gen) {
super(ref, gen);
}
public FontObject(final int type) {
super(type);
}
@Override
public PdfObject getDictionary(final int id) {
switch (id) {
case PdfDictionary.CharProcs:
return CharProcs;
case PdfDictionary.CIDSet:
return CIDSet;
case PdfDictionary.CIDSystemInfo:
return CIDSystemInfo;
case PdfDictionary.CIDToGIDMap:
return CIDToGIDMap;
case PdfDictionary.DescendantFonts:
return DescendantFonts;
case PdfDictionary.Encoding:
return Encoding;
case PdfDictionary.FontDescriptor:
return FontDescriptor;
case PdfDictionary.FontFile:
return FontFile;
case PdfDictionary.FontFile2:
return FontFile2;
case PdfDictionary.FontFile3:
return FontFile3;
case PdfDictionary.ToUnicode:
return ToUnicode;
default:
return super.getDictionary(id);
}
}
@Override
public void setIntNumber(final int id, final int value) {
switch (id) {
case PdfDictionary.Ascent:
Ascent = value;
break;
case PdfDictionary.AvgWidth:
AvgWidth = value;
break;
case PdfDictionary.Descent:
Descent = value;
break;
case PdfDictionary.DW:
DW = value;
break;
case PdfDictionary.FirstChar:
FirstChar = value;
break;
case PdfDictionary.Flags:
Flags = value;
break;
case PdfDictionary.LastChar:
LastChar = value;
break;
case PdfDictionary.MissingWidth:
MissingWidth = value;
break;
case PdfDictionary.StemV:
StemV = value;
break;
case PdfDictionary.Supplement:
Supplement = value;
break;
default:
super.setIntNumber(id, value);
}
}
@Override
public int getInt(final int id) {
switch (id) {
case PdfDictionary.AvgWidth:
return AvgWidth;
case PdfDictionary.DW:
return DW;
case PdfDictionary.FirstChar:
return FirstChar;
case PdfDictionary.Flags:
return Flags;
case PdfDictionary.LastChar:
return LastChar;
case PdfDictionary.MissingWidth:
return MissingWidth;
case PdfDictionary.StemV:
return StemV;
case PdfDictionary.Supplement:
return Supplement;
default:
return super.getInt(id);
}
}
@Override
public void setFloatNumber(final int id, final float value) {
switch (id) {
case PdfDictionary.Ascent:
Ascent = value;
break;
case PdfDictionary.Descent:
Descent = value;
break;
default:
super.setFloatNumber(id, value);
}
}
@Override
public float getFloatNumber(final int id) {
switch (id) {
case PdfDictionary.Ascent:
return Ascent;
case PdfDictionary.Descent:
return Descent;
default:
return super.getFloatNumber(id);
}
}
@Override
public void setDictionary(final int id, final PdfObject value) {
value.setID(id);
//flag embedded data
if (id == PdfDictionary.FontFile || id == PdfDictionary.FontFile2 || id == PdfDictionary.FontFile3) {
hasStream = true;
}
switch (id) {
case PdfDictionary.CharProcs:
CharProcs = value;
break;
case PdfDictionary.CIDSet:
CIDSet = value;
break;
case PdfDictionary.CIDSystemInfo:
CIDSystemInfo = value;
break;
case PdfDictionary.CIDToGIDMap:
CIDToGIDMap = value;
break;
case PdfDictionary.DescendantFonts:
DescendantFonts = value;
break;
case PdfDictionary.Encoding:
Encoding = value;
break;
case PdfDictionary.FontDescriptor:
FontDescriptor = value;
break;
case PdfDictionary.FontFile:
FontFile = value;
break;
case PdfDictionary.FontFile2:
FontFile2 = value;
break;
case PdfDictionary.FontFile3:
FontFile3 = value;
break;
case PdfDictionary.ToUnicode:
ToUnicode = value;
break;
default:
super.setDictionary(id, value);
}
}
@Override
public int setConstant(final int pdfKeyType, final int keyStart, final int keyLength, final byte[] raw) {
int PDFvalue = PdfDictionary.Unknown;
try {
final int id = PdfObject.getId(keyStart, keyLength, raw);
switch (id) {
case StandardFonts.CIDTYPE0:
PDFvalue = StandardFonts.CIDTYPE0;
break;
case PdfDictionary.CIDFontType0C:
PDFvalue = PdfDictionary.CIDFontType0C;
break;
case StandardFonts.CIDTYPE2:
PDFvalue = StandardFonts.CIDTYPE2;
break;
case PdfDictionary.CMap:
PDFvalue = PdfDictionary.CMap;
break;
case PdfDictionary.Encoding:
PDFvalue = PdfDictionary.Encoding;
break;
case PdfDictionary.Identity_H:
PDFvalue = PdfDictionary.Identity_H;
break;
case PdfDictionary.Identity_V:
PDFvalue = PdfDictionary.Identity_V;
break;
case PdfDictionary.MacExpertEncoding:
PDFvalue = StandardFonts.MACEXPERT;
break;
case PdfDictionary.MacRomanEncoding:
PDFvalue = StandardFonts.MAC;
break;
case PdfDictionary.PDFDocEncoding:
PDFvalue = StandardFonts.PDF;
break;
case MMType1:
PDFvalue = StandardFonts.TYPE1;
break;
case PdfDictionary.StandardEncoding:
PDFvalue = StandardFonts.STD;
break;
case StandardFonts.TYPE0:
PDFvalue = StandardFonts.TYPE0;
break;
case StandardFonts.TYPE1:
PDFvalue = StandardFonts.TYPE1;
break;
case Type1C:
PDFvalue = StandardFonts.TYPE1;
break;
case StandardFonts.TYPE3:
PDFvalue = StandardFonts.TYPE3;
break;
case StandardFonts.TRUETYPE:
PDFvalue = StandardFonts.TRUETYPE;
break;
case PdfDictionary.WinAnsiEncoding:
PDFvalue = StandardFonts.WIN;
break;
default:
if (pdfKeyType == PdfDictionary.Encoding) {
PDFvalue = CIDEncodings.getConstant(id);
} else {
PDFvalue = super.setConstant(pdfKeyType, id);
}
break;
}
} catch (final Exception e) {
LogWriter.writeLog("Exception: " + e.getMessage());
}
switch (pdfKeyType) {
case PdfDictionary.BaseEncoding:
BaseEncoding = PDFvalue;
break;
case PdfDictionary.CIDToGIDMap:
CIDToGIDMapAsConstant = PDFvalue;
break;
case PdfDictionary.Encoding:
generalType = PDFvalue;
break;
case PdfDictionary.ToUnicode:
generalType = PDFvalue;
break;
default:
super.setConstant(pdfKeyType, PDFvalue);
}
return PDFvalue;
}
@Override
public int getParameterConstant(final int key) {
final int def;
switch (key) {
case PdfDictionary.BaseEncoding:
//special cases first
if (key == PdfDictionary.BaseEncoding && Encoding != null && Encoding.isZapfDingbats) {
return StandardFonts.ZAPF;
} else if (key == PdfDictionary.BaseEncoding && Encoding != null && Encoding.isSymbol) {
return StandardFonts.SYMBOL;
} else {
return BaseEncoding;
}
case PdfDictionary.CIDToGIDMap:
return CIDToGIDMapAsConstant;
}
//check general values
def = super.getParameterConstant(key);
return def;
}
@Override
public PdfArrayIterator getMixedArray(final int id) {
switch (id) {
case PdfDictionary.Differences:
return new PdfArrayIterator(Differences);
default:
return super.getMixedArray(id);
}
}
@Override
public byte[][] getByteArray(final int id) {
switch (id) {
case PdfDictionary.Differences:
return Differences;
default:
return super.getByteArray(id);
}
}
@Override
public double[] getDoubleArray(final int id) {
switch (id) {
case PdfDictionary.FontMatrix:
return deepCopy(FontMatrix);
default:
return super.getDoubleArray(id);
}
}
@Override
public void setDoubleArray(final int id, final double[] value) {
switch (id) {
case PdfDictionary.FontMatrix:
FontMatrix = value;
break;
default:
super.setDoubleArray(id, value);
}
}
@Override
public void setMixedArray(final int id, final byte[][] value) {
switch (id) {
case PdfDictionary.Differences:
Differences = value;
break;
default:
super.setMixedArray(id, value);
}
}
@Override
public void setIntArray(final int id, final int[] value) {
switch (id) {
case PdfDictionary.DW2:
DW2 = value;
break;
default:
super.setIntArray(id, value);
}
}
@Override
public int[] getIntArray(final int id) {
switch (id) {
case PdfDictionary.DW2:
return deepCopy(DW2);
default:
return super.getIntArray(id);
}
}
@Override
public float[] getFloatArray(final int id) {
switch (id) {
case PdfDictionary.FontBBox:
return deepCopy(FontBBox);
case PdfDictionary.Widths:
return deepCopy(Widths);
default:
return super.getFloatArray(id);
}
}
@Override
public void setFloatArray(final int id, final float[] value) {
switch (id) {
case PdfDictionary.FontBBox:
FontBBox = value;
break;
case PdfDictionary.Widths:
Widths = value;
break;
default:
super.setFloatArray(id, value);
}
}
@Override
public void setName(final int id, final byte[] value) {
switch (id) {
case PdfDictionary.BaseFont:
rawBaseFont = value;
//track if font called ZapfDingbats and flag
final int checksum = PdfDictionary.generateChecksum(0, value.length, value);
isZapfDingbats = (checksum == ZapfDingbats || checksum == ZaDb);
isSymbol = (checksum == Symbol);
//store in both as we can't guarantee creation order
if (Encoding != null) {
Encoding.isZapfDingbats = isZapfDingbats;
Encoding.isSymbol = isSymbol;
}
break;
case PdfDictionary.CMapName:
rawCMapName = value;
break;
case PdfDictionary.FontName:
rawFontName = value;
break;
case PdfDictionary.FontStretch:
rawFontStretch = value;
break;
default:
super.setName(id, value);
}
}
@Override
public void setTextStreamValue(final int id, final byte[] value) {
switch (id) {
case PdfDictionary.CharSet:
rawCharSet = value;
break;
case PdfDictionary.Ordering:
rawOrdering = value;
break;
case PdfDictionary.Registry:
rawRegistry = value;
break;
default:
super.setTextStreamValue(id, value);
}
}
@Override
public String getName(final int id) {
switch (id) {
case PdfDictionary.BaseFont:
//setup first time
if (BaseFont == null && rawBaseFont != null) {
BaseFont = new String(rawBaseFont);
}
return BaseFont;
case PdfDictionary.CMapName:
//setup first time
if (CMapName == null && rawCMapName != null) {
CMapName = new String(rawCMapName);
}
return CMapName;
case PdfDictionary.FontName:
//setup first time
if (FontName == null && rawFontName != null) {
FontName = new String(rawFontName);
}
return FontName;
case PdfDictionary.FontStretch:
//setup first time
if (FontStretch == null && rawFontStretch != null) {
FontStretch = new String(rawFontStretch);
}
return FontStretch;
default:
return super.getName(id);
}
}
@Override
public String getTextStreamValue(final int id) {
switch (id) {
case PdfDictionary.CharSet:
//setup first time
if (CharSet == null && rawCharSet != null) {
CharSet = new String(rawCharSet);
}
return CharSet;
case PdfDictionary.Ordering:
//setup first time
if (Ordering == null && rawOrdering != null) {
Ordering = new String(rawOrdering);
}
return Ordering;
case PdfDictionary.Registry:
//setup first time
if (Registry == null && rawRegistry != null) {
Registry = new String(rawRegistry);
}
return Registry;
default:
return super.getTextStreamValue(id);
}
}
/**
* unless you need special fucntions,
* use getStringValue(int id) which is faster
*/
@Override
public String getStringValue(final int id, final int mode) {
byte[] data = null;
//get data
switch (id) {
case PdfDictionary.BaseFont:
data = rawBaseFont;
break;
case PdfDictionary.CMapName:
data = rawCMapName;
break;
case PdfDictionary.FontName:
data = rawFontName;
break;
case PdfDictionary.FontStretch:
data = rawFontStretch;
break;
}
//convert
switch (mode) {
case PdfDictionary.STANDARD:
//setup first time
if (data != null) {
return new String(data);
} else {
return null;
}
case PdfDictionary.LOWERCASE:
//setup first time
if (data != null) {
return new String(data);
} else {
return null;
}
case PdfDictionary.REMOVEPOSTSCRIPTPREFIX:
//setup first time
if (data != null) {
final int len = data.length;
if (len > 6 && data[6] == '+') { //lose ABCDEF+ if present
final int length = len - 7;
final byte[] newData = new byte[length];
System.arraycopy(data, 7, newData, 0, length);
return new String(newData);
} else if (len > 7 && data[len - 7] == '+') { //lose +ABCDEF if present
final int length = len - 7;
final byte[] newData = new byte[length];
System.arraycopy(data, 0, newData, 0, length);
return new String(newData);
} else {
return new String(data);
}
} else {
return null;
}
default:
throw new RuntimeException("Value not defined in getName(int,mode)");
}
}
@Override
public int getObjectType() {
return PdfDictionary.Font;
}
@Override
public boolean decompressStreamWhenRead() {
return true;
}
@Override
public Object[] getObjectArray(final int id) {
switch (id) {
case PdfDictionary.W:
return W;
case PdfDictionary.W2:
return W2;
default:
return super.getObjectArray(id);
}
}
@Override
public void setObjectArray(final int id, final Object[] objectValues) {
switch (id) {
case PdfDictionary.W:
W = objectValues;
break;
case PdfDictionary.W2:
W2 = objectValues;
break;
default:
super.setObjectArray(id, objectValues);
}
}
}
