/*
* $Id$
*
* 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.test.gui;
import java.awt.Color;
import java.awt.Component;
import java.awt.Frame;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.awt.geom.AffineTransform;
import java.awt.geom.GeneralPath;
import java.awt.geom.PathIterator;
import java.awt.geom.Rectangle2D;
import java.io.IOException;
import org.jnode.awt.font.truetype.TTFFontData;
import org.jnode.awt.font.truetype.TTFFontDataFile;
import org.jnode.awt.font.truetype.glyph.TTFGlyph;
import org.jnode.awt.font.truetype.tables.CMapTable;
import org.jnode.awt.font.truetype.tables.GlyphTable;
import org.jnode.awt.font.truetype.tables.HorizontalHeaderTable;
import org.jnode.awt.font.truetype.tables.HorizontalMetricsTable;
/**
* @author Mark Donszelmann
* @version $Id$
*/
public class TTFFileTest {
static TTFFontData ttf;
@SuppressWarnings("serial")
public static void main(String[] args) throws Exception {
String fontName = "luxisr.ttf";
final String text;
//String fontName = "AMERIKA.ttf";
if (args.length >= 1) {
text = args[0];
} else {
text = "a";
}
ttf = new TTFFontDataFile(TTFFileTest.class.getResource("/" + fontName));
//ttf.show();
System.out.println("Font " + ttf.getNameTable().getFontFamilyName());
// bbox chars: 188, 375, 198, 353
//Rectangle maxCharBounds = ((TTFHeadTable)ttf.getTable(TTFFont.FontHeaderTable)).getMaxCharBounds();
// System.out.println(maxCharBounds);
final Frame frame = new Frame("TTF Test");
try {
frame.setBackground(Color.LIGHT_GRAY);
frame.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent event) {
frame.dispose();
}
});
//frame.getContentPane().add(new GlyphPanel(maxCharBounds));
frame.pack();
frame.setSize(500, 500);
frame.add(new Component() {
public void paint(Graphics g) {
System.out.println("Paint");
g.setColor(Color.RED);
try {
drawString(g, text, 100, 100, 80);
} catch (IOException ex) {
ex.printStackTrace();
}
g.setColor(Color.BLACK);
g.drawLine(0, 100, getWidth(), 100);
g.drawLine(0, 200, getWidth(), 200);
//g.setFont(new Font("Arial", Font.PLAIN, 40));
//g.drawString("AWT", 100, 200);
}
});
frame.setVisible(true);
} finally {
//Thread.sleep(5000);
System.in.read();
frame.dispose();
}
//frame.invalidate();
//ttf.close();
testGetGlyph(text, 100, 100, 40);
}
public static void drawString(Graphics g, String s, int x, int y, double fontSize) throws IOException {
final GlyphTable glyphTable = ttf.getGlyphTable();
final CMapTable cmapTable = ttf.getCMapTable();
final HorizontalHeaderTable hheadTable = ttf.getHorizontalHeaderTable();
final HorizontalMetricsTable hmTable = ttf.getHorizontalMetricsTable();
if (!(cmapTable.getNrEncodingTables() > 0)) {
throw new RuntimeException("No Encoding is found!");
}
final CMapTable.EncodingTable encTable = cmapTable.getEncodingTable(0);
if (encTable.getTableFormat() == null) {
throw new RuntimeException("The table is NUll!!");
}
final int maxAdvance = hheadTable.getMaxAdvance();
final double ascent = hheadTable.getAscent();
final int descent = -hheadTable.getDescent();
final AffineTransform tx = new AffineTransform();
double scale = fontSize / ascent;
tx.translate(x, y + fontSize);
System.out.println("Scale=" + scale);
tx.scale(scale, -scale);
tx.translate(0, ascent);
final Graphics2D g2 = (Graphics2D) g;
g2.setColor(Color.GREEN);
g2.fill(new Rectangle2D.Double(x, y - ascent * scale, maxAdvance * scale, ascent * scale));
g2.setColor(Color.YELLOW);
g2.fill(new Rectangle2D.Double(x, y, maxAdvance * scale, descent * scale));
g2.setColor(Color.RED);
final GeneralPath gp = new GeneralPath();
for (int i = 0; i < s.length(); i++) {
// get the index for the needed glyph
final int index = encTable.getTableFormat().getGlyphIndex(s.charAt(i));
final TTFGlyph glyph = (TTFGlyph) glyphTable.getGlyph(index);
final GeneralPath shape = glyph.getShape();
gp.append(shape.getPathIterator(tx), false);
tx.translate(hmTable.getAdvanceWidth(index), 0);
}
g2.draw(gp);
}
public static void testGetGlyph(String s, int x, int y, int fontSize) throws IOException {
final GlyphTable glyphTable = ttf.getGlyphTable();
final CMapTable cmapTable = ttf.getCMapTable();
final HorizontalHeaderTable hheadTable = ttf.getHorizontalHeaderTable();
if (!(cmapTable.getNrEncodingTables() > 0)) {
throw new RuntimeException("No Encoding is found!");
}
final CMapTable.EncodingTable encTable = cmapTable.getEncodingTable(0);
if (encTable.getTableFormat() == null) {
throw new RuntimeException("The table is NUll!!");
}
final double ascent = hheadTable.getAscent();
final AffineTransform tx = new AffineTransform();
double scale = fontSize / ascent;
tx.translate(x, y + fontSize);
System.out.println("Scale=" + scale + ", ascent=" + ascent);
tx.scale(scale, -scale);
tx.translate(0, ascent);
final String[] types = {"move", "line", "quad", "cubic", "close"};
for (int i = 0; i < s.length(); i++) {
// get the index for the needed glyph
final char ch = s.charAt(i);
System.out.println("Getting index for char: " + ch);
final int index = encTable.getTableFormat().getGlyphIndex(ch);
final TTFGlyph glyph = (TTFGlyph) glyphTable.getGlyph(index);
final GeneralPath shape = glyph.getShape();
PathIterator pi = shape.getPathIterator(null);
final float[] f = new float[6];
while (!pi.isDone()) {
final int type = pi.currentSegment(f);
System.out.println(types[type] + ",\t(" + f[0] + "," + f[1] + "),\t(" + f[2] + "," + f[3] + "),\t(" +
f[4] + "," + f[5] + ")");
pi.next();
}
}
}
}