[jira] [Commented] (FOP-2928) PDFDocumentGraphics2D does not clear content on nextPage()
[ https://issues.apache.org/jira/browse/FOP-2928?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17399638#comment-17399638 ] J Frank commented on FOP-2928: -- [^patch-FOP2928-2.diff] Patch attached for bug fixed > PDFDocumentGraphics2D does not clear content on nextPage() > -- > > Key: FOP-2928 > URL: https://issues.apache.org/jira/browse/FOP-2928 > Project: FOP > Issue Type: Bug > Components: renderer/pdf >Affects Versions: 2.2, 2.4 >Reporter: Jürgen Ebert >Priority: Major > Labels: easyfix > Attachments: patch-FOP2928-2.diff > > > When switching to a new page using PDFDocumentGraphics2D#nextPage() the > current content is added to the PDF document but it is not cleared. Therefore > the same content will be repeated on the next page. > nextPage() calls closePage() which adds this.getString() to the PDFStream. > this.getString() simply returns the content of currentStream, a StringWriter. > The content of currentStream is never cleared and the reference is never set > to null. Therefore it will be appended to and it will be added again when the > next nextPage() or closePage() or therefore finish() is called. > A work-arround is to manually set the value of currentStream to null using > reflection. -- This message was sent by Atlassian Jira (v8.3.4#803005)
[jira] [Commented] (FOP-2928) PDFDocumentGraphics2D does not clear content on nextPage()
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https://issues.apache.org/jira/browse/FOP-2928?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17392404#comment-17392404
]
Brian Scott commented on FOP-2928:
--
This code works with FOP 1.1, but creates duplicated text with FOP 2.5
{{package test;
import java.awt.geom.AffineTransform;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.Date;
import org.apache.fop.pdf.PDFInfo;
import org.apache.fop.svg.PDFDocumentGraphics2D;
public class TestPDF {
static int DPIscale=4;
static public final int PT=72;
static public int inch(double p) {
return (int)(p*PT*DPIscale);
}
public static void main(String[] args) {
try {
FileOutputStream os=new FileOutputStream("test.pdf");
AffineTransform tx=new AffineTransform();
PDFDocumentGraphics2D gPDF=new
PDFDocumentGraphics2D(false);
gPDF.setupDocument(os, (int)(inch(11)/DPIscale),
(int)(inch(8.5)/DPIscale));
gPDF.setDeviceDPI(PT);
gPDF.setupDefaultFontInfo();
PDFInfo info= gPDF.getPDFDocument().getInfo();
info.setProducer("from TestPDF");
info.setCreationDate(new
Date(System.currentTimeMillis()));
gPDF.setGraphicContext(new
org.apache.xmlgraphics.java2d.GraphicContext());
tx.scale(1.0/DPIscale, 1.0/DPIscale);
gPDF.setTransform(tx);
for (int i = 0; i < 20; i++) {
gPDF.drawString("Page "+i, inch(1),
inch(1+i*0.2));
gPDF.nextPage();
}
gPDF.finish();
os.close();
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}}
> PDFDocumentGraphics2D does not clear content on nextPage()
> --
>
> Key: FOP-2928
> URL: https://issues.apache.org/jira/browse/FOP-2928
> Project: FOP
> Issue Type: Bug
> Components: renderer/pdf
>Affects Versions: 2.2, 2.4
>Reporter: Jürgen Ebert
>Priority: Major
> Labels: easyfix
>
> When switching to a new page using PDFDocumentGraphics2D#nextPage() the
> current content is added to the PDF document but it is not cleared. Therefore
> the same content will be repeated on the next page.
> nextPage() calls closePage() which adds this.getString() to the PDFStream.
> this.getString() simply returns the content of currentStream, a StringWriter.
> The content of currentStream is never cleared and the reference is never set
> to null. Therefore it will be appended to and it will be added again when the
> next nextPage() or closePage() or therefore finish() is called.
> A work-arround is to manually set the value of currentStream to null using
> reflection.
--
This message was sent by Atlassian Jira
(v8.3.4#803005)
[jira] [Commented] (FOP-2928) PDFDocumentGraphics2D does not clear content on nextPage()
[ https://issues.apache.org/jira/browse/FOP-2928?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17391600#comment-17391600 ] J Frank commented on FOP-2928: -- Please provide steps to reproduce > PDFDocumentGraphics2D does not clear content on nextPage() > -- > > Key: FOP-2928 > URL: https://issues.apache.org/jira/browse/FOP-2928 > Project: FOP > Issue Type: Bug > Components: renderer/pdf >Affects Versions: 2.2, 2.4 >Reporter: Jürgen Ebert >Priority: Major > Labels: easyfix > > When switching to a new page using PDFDocumentGraphics2D#nextPage() the > current content is added to the PDF document but it is not cleared. Therefore > the same content will be repeated on the next page. > nextPage() calls closePage() which adds this.getString() to the PDFStream. > this.getString() simply returns the content of currentStream, a StringWriter. > The content of currentStream is never cleared and the reference is never set > to null. Therefore it will be appended to and it will be added again when the > next nextPage() or closePage() or therefore finish() is called. > A work-arround is to manually set the value of currentStream to null using > reflection. -- This message was sent by Atlassian Jira (v8.3.4#803005)
