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An Open Source JavaFX PDF Viewer
/*
* ===========================================
* 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
*
* ---------------
* CIDFontType2.java
* ---------------
*/
package org.jpedal.fonts;
import java.util.Map;
import org.jpedal.fonts.tt.TTGlyphs;
import org.jpedal.io.ObjectStore;
import org.jpedal.io.PdfObjectReader;
import org.jpedal.objects.raw.PdfDictionary;
import org.jpedal.objects.raw.PdfObject;
import org.jpedal.parser.PdfFontFactory;
/**
* handles truetype specifics
* */
public class CIDFontType2 extends TrueType {
/**get handles onto Reader so we can access the file*/
public CIDFontType2(final PdfObjectReader currentPdfFile, final String substituteFontFile) {
isCIDFont=true;
TTstreamisCID=true;
glyphs=new TTGlyphs();
init(currentPdfFile);
this.substituteFontFile=substituteFontFile;
}
/**get handles onto Reader so we can access the file*/
public CIDFontType2(final PdfObjectReader currentPdfFile, final boolean ttflag) {
isCIDFont=true;
TTstreamisCID=ttflag;
glyphs=new TTGlyphs();
init(currentPdfFile);
}
/**read in a font and its details from the pdf file*/
@Override
public void createFont(final PdfObject pdfObject, final String fontID, final boolean renderPage, final ObjectStore objectStore, final Map substitutedFonts) throws Exception{
fontTypes=StandardFonts.CIDTYPE2;
this.fontID=fontID;
final PdfObject Descendent=pdfObject.getDictionary(PdfDictionary.DescendantFonts);
final PdfObject pdfFontDescriptor=Descendent.getDictionary(PdfDictionary.FontDescriptor);
createCIDFont(pdfObject,Descendent);
if (pdfFontDescriptor!= null) {
final byte[] stream;
PdfObject FontFile2=pdfFontDescriptor.getDictionary(PdfDictionary.FontFile2);
if(FontFile2==null){
FontFile2=pdfFontDescriptor.getDictionary(PdfDictionary.FontFile3);
}
if(FontFile2!=null){
stream=currentPdfFile.readStream(FontFile2,true,true,false, false,false, FontFile2.getCacheName(currentPdfFile.getObjectReader()));
if(stream!=null) {
readEmbeddedFont(stream,null,hasEncoding);
}
}
}
//allow for corrupted
final boolean isCorrupt=glyphs.isCorrupted();
if(glyphs.isCorrupted()){
final PdfFontFactory pdfFontFactory =new PdfFontFactory(currentPdfFile);
pdfFontFactory.getFontSub(getBaseFontName());
isFontEmbedded=false;
substituteFontFile= pdfFontFactory.getMapFont();
if(substituteFontFile==null){
glyphs.setFontEmbedded(false);
//generic setup so we have Java fonts available
init(fontID, renderPage);
}
}
//setup and substitute font
if(renderPage && !isFontEmbedded && substituteFontFile!=null){
this.substituteFontUsed(substituteFontFile);
isFontSubstituted=true;
this.isFontEmbedded=true;
glyphs.setFontEmbedded(true);
}
//make sure a font set
if (renderPage) {
setFont(getFontName(), 1);
}
glyphs.setCorrupted(isCorrupt);
}
}