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https://issues.apache.org/jira/browse/PDFBOX-4744?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17924458#comment-17924458
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ASF subversion and git services commented on PDFBOX-4744:
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Commit 1923608 from Tilman Hausherr in branch 'pdfbox/branches/3.0'
[ https://svn.apache.org/r1923608 ]
PDFBOX-4744: reconstruct NoRotate annotations that have transparencies
> PageDrawer is not rendering unrotatable Annotations on rotated pages
> --------------------------------------------------------------------
>
> Key: PDFBOX-4744
> URL: https://issues.apache.org/jira/browse/PDFBOX-4744
> Project: PDFBox
> Issue Type: Bug
> Components: Rendering
> Affects Versions: 2.0.18
> Reporter: Christian Appl
> Priority: Major
> Labels: Annotations, PDFBox, PageDrawer
> Attachments: screenshot-1.png, simple.pdf
>
>
> Unrotatable Annotations are no longer rendered by the PageDrawer.
> The issue can be reproduced using the attached "simple.pdf" and the following
> code:
> {code:java}
> public static void main(String... args) {
> File pdfFile = new File("pathto", "simple.pdf");
> BufferedImage actualImage = null;
> try {
> try (PDDocument document = PDDocument.load(pdfFile)) {
> PDFRenderer pdfRenderer = new PDFRenderer(document);
> pdfRenderer.setAnnotationsFilter(PDAnnotation::isPrinted);
> pdfRenderer.setDefaultDestination(RenderDestination.VIEW);
> actualImage = pdfRenderer.renderImage(0);
> }
> if (actualImage != null) {
> ImageIO.write(actualImage, "png", new File("somePath",
> "out.png"));
> }
> } catch (IOException e) {
> e.printStackTrace();
> }
> }
> {code}
> When setting the page rotation to 0 the annotation can be seen in the
> "out.png", when selecting another rotation, it is gone.
> I am assuming, that the following code in PageDrawer (Method:
> showAnnotation(PDAnnotation annotation) Lines: 886 to 892) is not working as
> expected. Maybe the rotation anchor should be set to a different position?
> {code:java}
> if (annotation.isNoRotate() && this.getCurrentPage().getRotation() != 0) {
> PDRectangle rect = annotation.getRectangle();
> AffineTransform savedTransform =this.graphics.getTransform();
>
> this.graphics.rotate(Math.toRadians((double)this.getCurrentPage().getRotation()),
> (double)rect.getLowerLeftX(),(double)rect.getUpperRightY());
> super.showAnnotation(annotation);
> this.graphics.setTransform(savedTransform);
> } else {
> super.showAnnotation(annotation);
> }
> {code}
> The flags of the annotation are:
> !screenshot-1.png!
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