Oliver Schmidtmer created PDFBOX-5567:
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Summary: Font gets smaller for each rendered page
Key: PDFBOX-5567
URL: https://issues.apache.org/jira/browse/PDFBOX-5567
Project: PDFBox
Issue Type: Bug
Reporter: Oliver Schmidtmer
Fix For: 2.0.27
Attachments: Rechnung_001 (1).pdf, image-2023-02-17-20-06-11-031.png,
image-2023-02-17-20-06-41-326.png
Every time the page in the attached document is re-rendered, the font gets
smaller.
First rendering:
!image-2023-02-17-20-06-11-031.png!
Second rendering:
!image-2023-02-17-20-06-41-326.png!
Reloading the complete document resets the font size.
This is probably caused in TTFGlyph2D.getPathForGID
The problematic text rendering uses scaling,
so the path gotten in the line
{code:java}
GeneralPath glyph = vectorFont.getPath(code);
{code}
is rescaled in
{code:java}
if (hasScaling)
{
AffineTransform atScale =
AffineTransform.getScaleInstance(scale, scale);
glyphPath.transform(atScale);
}
{code}
This should probably be done on a cloned path.
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