[OpenJDK 2D-Dev] Artifacts when printing

Raffaele Sgarro raffaelesgarro at gmail.com
Wed Oct 30 09:40:16 UTC 2013

It sems that certain characters in the "Dialog" font family broke the
painting (first line is Arial, second Times New, third Dialog):

[image: Immagine in linea 1]

This is the code to produce the output:

public class ArtifactsWhenUsingDialogFont {

    public static void main(String... args) throws Exception {
      PrinterJob job = PrinterJob.getPrinterJob();
      job.setPrintable(new Printable(){

          public int print(Graphics graphics, PageFormat pageFormat,
int pageIndex) throws PrinterException {
            graphics.translate( (int) pageFormat.getImageableX(),
(int) pageFormat.getImageableY() );
            final String target =
            printLine(graphics, target, "Arial");
            printLine(graphics, target, "Times New Roman");
            printLine(graphics, target, "Dialog");
            return pageIndex == 0 ? PAGE_EXISTS : NO_SUCH_PAGE;

          private int lineCounter = 0;

          private void printLine(Graphics graphics, String text,
String fontName) {
            graphics.setFont(new Font(fontName, Font.PLAIN, 20));
            graphics.drawString(text, 20, 20 * ++lineCounter);

(link to the gist <https://gist.github.com/RaffaeleSgarro/7229649>)

The problem is that the "Dialog" font family appears to be the default one,
at least on the Windows platform. Is this a known bug?
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