Christian Appl created PDFBOX-4744:
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Summary: 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
Attachments: 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}
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