Hi,
I'm creating PDF content by drawing direct to the Graphics2D surface
(via PdfTemplate.createGraphicsShapes). It's my understanding that no
fonts are (or even need to be) embedded, so what is draw to the
Graphics2D is what will appear on the PDF.
However there are 2 unicode musical symbol chars (double flat: 𝄫
and double sharp: 𝄪) which do not appear correctly - they actually
appear as Far Eastern characters (looks Chinese to my uneducated
guess!). The regular flat and sharp musical symbols are fine.
I'm running this on Mac OS X - code pasted below so you can reproduce
this easily. Windows machines will need the Arial Unicode MS font
installed.
All the symbols appear fine if I put the StringPainter widget below in
a JFrame, but make them paint to the PDF and it goes wrong.
I'm guessing this is an iText bug? Or am I doing something wrong
here? Seems pretty straightforward!
Thanks for any tips or confirmation that it's a bug :)
Justin
--- EXAMPLE CODE DEMONSTRATING THE PROBLEM IN THE OUTPUT PDF: ----
package com.neckdiagrams.exporters;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.io.FileOutputStream;
import javax.swing.JComponent;
import com.lowagie.text.Chunk;
import com.lowagie.text.Document;
import com.lowagie.text.DocumentException;
import com.lowagie.text.pdf.PdfContentByte;
import com.lowagie.text.pdf.PdfTemplate;
import com.lowagie.text.pdf.PdfWriter;
public class PdfUnicodeTextImageTest
{
public static final String FLAT_SYMBOL = "\u266D";
public static final String SHARP_SYMBOL = "\u266F";
public static final String DOUBLE_FLAT_SYMBOL = "\uD834\uDD2B";
public static final String DOUBLE_SHARP_SYMBOL = "\uD834\uDD2A";
public static void main(String[] args) throws InterruptedException
{
new PdfUnicodeTextImageTest();
Thread.sleep(2000);
System.exit(0);
}
public PdfUnicodeTextImageTest()
{
try
{
final FileOutputStream fileOutputStream = new
FileOutputStream("/tmp/unicode_test.pdf");
final Document document = new Document();
final PdfWriter pdf = PdfWriter.getInstance(document,
fileOutputStream);
try
{
document.open();
document.setPageSize(new
com.lowagie.text.Rectangle(500,800));
document.newPage();
printPage(document, pdf);
}
finally
{
document.close();
fileOutputStream.flush();
fileOutputStream.close();
}
}
catch (Exception e)
{
e.printStackTrace();
}
}
private void printPage(Document document, PdfWriter pdf) throws
DocumentException
{
document.add(new Chunk(" "));
final PdfContentByte contentbytes = pdf.getDirectContent();
final PdfTemplate template = contentbytes.createTemplate(500,
800);
final Graphics2D graphics2d =
template.createGraphicsShapes(500, 800);
StringPainter painter = new StringPainter(new Font("Arial
Unicode MS", Font.PLAIN, 16));
painter.setBounds(50,50,200,100);
painter.paint(graphics2d);
graphics2d.dispose();
contentbytes.addTemplate(template, 0, 0);
}
class StringPainter extends JComponent
{
private Font font;
public StringPainter(Font font)
{
this.font = font;
}
@Override
protected void paintComponent(Graphics g)
{
super.paintComponent(g);
Graphics2D g2 = (Graphics2D) g;
g2.setFont(font);
g2.drawString("TEST: " + FLAT_SYMBOL + " " +
DOUBLE_FLAT_SYMBOL, 10, 50);
g2.drawString("TEST: " + SHARP_SYMBOL + " " +
DOUBLE_SHARP_SYMBOL, 10, 80);
}
}
}
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