/*
* $Id$
*
* 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.spi.Glyph;
import org.jnode.awt.font.truetype.TTFFontData;
import org.jnode.awt.font.truetype.TTFInput;
import org.jnode.awt.font.truetype.glyph.CompositeGlyph;
import org.jnode.awt.font.truetype.glyph.SimpleGlyph;
/**
* GLYPH Table.
*
* @author Simon Fischer
* @version $Id$
*/
public final class GlyphTable extends VersionTable {
/**
* If this variable is set to false then the glyphs will not be read
* until they are retrieved with <tt>getGlyph(int)</tt>.
*/
private static final boolean READ_GLYPHS = false;
private Glyph[] glyphs;
private long[] offsets;
/**
* @param font
* @param input
*/
GlyphTable(TTFFontData font, TTFInput input) {
super(font, input);
}
public String getTag() {
return "glyf";
}
protected final void readTable(TTFInput ttf) throws IOException {
final TTFFontData font = getFont();
glyphs = new Glyph[font.getMaxPTable().numGlyphs];
offsets = font.getLocationsTable().offset;
if (READ_GLYPHS) {
for (int i = 0; i < glyphs.length; i++) {
if ((i > 0) && (offsets[i - 1] == offsets[i])) {
glyphs[i] = glyphs[i - 1];
} else {
try {
getGlyph(i);
} catch (IOException e) {
System.err.println("While reading glyph #" + i + " (offset " + offsets[i] + "):");
e.printStackTrace();
}
}
}
}
}
public Glyph getGlyph(int i) throws IOException {
if (glyphs[i] != null) {
return glyphs[i];
} else {
final TTFInput in = getInput();
in.pushPos();
in.seek(offsets[i]);
int numberOfContours = in.readShort();
if (numberOfContours >= 0) {
glyphs[i] = new SimpleGlyph(in, numberOfContours);
} else {
glyphs[i] = new CompositeGlyph(in, this);
}
in.popPos();
return glyphs[i];
}
}
public String toString() {
String str = super.toString();
for (int i = 0; i < glyphs.length; i++) {
str += "\n #" + i + ": " + glyphs[i];
}
return str;
}
}