org.jpedal.fonts.tt.Loca Maven / Gradle / Ivy
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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/java-pdf-library-support/
*
* (C) Copyright 1997-2013, IDRsolutions and Contributors.
*
* This file is part of JPedal
*
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
*
* ---------------
* Loca.java
* ---------------
*/
package org.jpedal.fonts.tt;
import org.jpedal.utils.LogWriter;
public class Loca extends Table {
private static final long serialVersionUID = -3586162676690304168L;
/** points to location of glyph programs */
int[] glyphIndexStart;
boolean isCorrupted = false;
public int format;
public int glyphCount;
public int glyfTableLength;
public Loca(FontFile2 currentFontFile, int glyphCount, int format) {
// handles super call in LocaWriter
if (currentFontFile == null) return;
this.format = format;
this.glyphCount = glyphCount;
this.glyfTableLength = currentFontFile.getOffset(FontFile2.GLYF);
// LogWriter.writeMethod("{readLocaTable}", 0);
// move to start and check exists
int startPointer = currentFontFile.selectTable(FontFile2.LOCA);
int i;
int locaLength = currentFontFile.getOffset(FontFile2.LOCA);
this.glyphIndexStart = new int[glyphCount + 1];
// read 'head' table
if (startPointer != 0) {
this.glyphIndexStart[0] = 0;
// long version
if(format==1 || format==256){
if (LogWriter.isOutput() && (locaLength / 4) != (glyphCount + 1)) LogWriter.writeLog("Incorrect length");
for (i = 0; i < glyphCount; i++)
this.glyphIndexStart[i] = currentFontFile.getNextUint32();
}
else { // short
//Lonzak: Commented buggy code which caused bold text to not show up in pdf2image
// if ((locaLength / 2) != (glyphCount + 1)) {
//
// if (LogWriter.isOutput()) LogWriter.writeLog("Incorrect length");
//
// this.isCorrupted = true;
// }
// else {
for (i = 0; i < glyphCount; i++)
this.glyphIndexStart[i] = (currentFontFile.getNextUint16() * 2);
}
//}
this.glyphIndexStart[glyphCount] = this.glyfTableLength;
}
}
public int[] getIndices() {
return this.glyphIndexStart;
}
public boolean isCorrupted() {
return this.isCorrupted;
}
public int getFormat() {
return this.format;
}
public int getGlyphCount() {
return this.glyphCount;
}
public int getGlyfTableLength() {
return this.glyfTableLength;
}
}