/*
* $Id$
*
* Copyright (C) 2003-2014 JNode.org
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
package org.jnode.awt.font.truetype.tables;
import java.io.IOException;
import org.jnode.awt.font.truetype.TTFFontData;
import org.jnode.awt.font.truetype.TTFInput;
/**
* HMTX Table.
*
* @author Simon Fischer
* @version $Id$
*/
public final class HorizontalMetricsTable extends TTFTable {
private int[] advanceWidth;
private short[] leftSideBearing;
private short[] leftSideBearing2;
/**
* @param font
* @param input
*/
HorizontalMetricsTable(TTFFontData font, TTFInput input) {
super(font, input);
}
public String getTag() {
return "hmtx";
}
protected void readTable(TTFInput ttf) throws IOException {
final TTFFontData font = getFont();
final int numberOfHMetrics = font.getHorizontalHeaderTable().getNumberOfHMetrics();
final int numGlyphs = font.getMaxPTable().numGlyphs;
advanceWidth = new int[numberOfHMetrics];
leftSideBearing = new short[numberOfHMetrics];
for (int i = 0; i < numberOfHMetrics; i++) {
advanceWidth[i] = ttf.readUFWord();
leftSideBearing[i] = ttf.readFWord();
}
leftSideBearing2 = ttf.readShortArray(numGlyphs - numberOfHMetrics);
}
public String toString() {
String str = super.toString();
str += "\n hMetrics[" + advanceWidth.length + "] = {";
for (int i = 0; i < advanceWidth.length; i++) {
if (i % 8 == 0)
str += "\n ";
str += "(" + advanceWidth[i] + "," + leftSideBearing[i] + ") ";
}
str += "\n }";
str += "\n lsb[" + leftSideBearing2.length + "] = {";
for (int i = 0; i < leftSideBearing2.length; i++) {
if (i % 16 == 0)
str += "\n ";
str += leftSideBearing2[i] + " ";
}
str += "\n }";
return str;
}
/**
* @param index
* @return The advance width for a given index
*/
public int getAdvanceWidth(int index) {
return this.advanceWidth[index];
}
/**
* @param index
* @return The left side bearing for a given index
*/
public int getLeftSideBearing(int index) {
return this.leftSideBearing[index];
}
}