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https://issues.apache.org/jira/browse/PDFBOX-4583?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16883970#comment-16883970
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ASF subversion and git services commented on PDFBOX-4583:
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Commit 1862987 from Tilman Hausherr in branch 'pdfbox/branches/issue45'
[ https://svn.apache.org/r1862987 ]
PDFBOX-4583: revert clipping intersection, didn't work
> Drawing only a portion of a PDF (Graphics.clip is ignored/overwritten)
> ----------------------------------------------------------------------
>
> Key: PDFBOX-4583
> URL: https://issues.apache.org/jira/browse/PDFBOX-4583
> Project: PDFBox
> Issue Type: Bug
> Components: Rendering
> Affects Versions: 2.0.15
> Reporter: Jan Buschtöns
> Assignee: Tilman Hausherr
> Priority: Major
> Fix For: 2.0.17, 3.0.0 PDFBox
>
> Attachments: clip_PDFBox_FORMGEN-2184-master.zip
>
>
> I want to use PDFBox to draw PDFs in a swing application.
> I want to draw only a portion of the PDF. As far as I know, the way to do
> this in swing is with the "clip"-method on the Graphics object. However, no
> matter what clip I set, the whole PDF is drawn.
> PDFRenderer calls "setClip", when it probably should use "clip". The latter
> sets the current clip to the intersection of the old current clip and the
> provided shape, whereas the former resets the current clip
> I've attached an example maven project, but the gist is:
> {code:java}
> @Override
> public void paint(final Graphics g) {
>
> final Graphics2D g2 = (Graphics2D) g;
> try {
> PDDocument pdDocument =
> DDocument.load(App.class.getResourceAsStream("somepdf.pdf"));
> g2.clip(new Rectangle(20, 20));
> final PDFRenderer pdfRenderer = new
> org.apache.pdfbox.rendering.PDFRenderer(pdDocument);
> pdfRenderer.renderPageToGraphics(0, g2);
> } catch (final IOException e) {
> throw new RuntimeException(e);
> }
> }
> {code}
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