org.jpedal.fonts.tt.Head 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
*
* ---------------
* Head.java
* ---------------
*/
package org.jpedal.fonts.tt;
import org.jpedal.utils.LogWriter;
public class Head extends Table {
private static final long serialVersionUID = 628739364123537763L;
/** format used */
protected int format = 0; // default for otf
/** bounds on font */
protected float[] FontBBox = new float[4];
protected int flags = 0; // default for otf
protected int unitsPerEm = 1024; // default for otf
public Head(FontFile2 currentFontFile) {
// move to start and check exists
int startPointer = currentFontFile.selectTable(FontFile2.HEAD);
// read 'head' table
if (startPointer == 0) {
if (LogWriter.isOutput()) LogWriter.writeLog("No head table found");
}
else {
currentFontFile.getNextUint32(); // id
// ignore values
for (int i = 0; i < 3; i++)
currentFontFile.getNextUint32();
this.flags = currentFontFile.getNextUint16();
this.unitsPerEm = currentFontFile.getNextUint16();
// ignore dates
for (int i = 0; i < 2; i++)
currentFontFile.getNextUint64();
// bounds
for (int i = 0; i < 4; i++)
this.FontBBox[i] = currentFontFile.getNextSignedInt16();
// ignore more flags
for (int i = 0; i < 3; i++)
currentFontFile.getNextUint16();
// finally the bit we want indicating size of chunks in mapx
this.format = currentFontFile.getNextUint16();
}
}
public Head() {}
public int getFormat() {
return this.format;
}
public float[] getFontBBox() {
return this.FontBBox;
}
/**
* get flags in Head
*/
public int getFlags() {
return this.flags;
}
/**
* Returns the unitsPerEm.
*/
public int getUnitsPerEm() {
return this.unitsPerEm;
}
}