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BUG: Scale PDF annotations #1479

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merged 3 commits into from Dec 10, 2022
Merged

BUG: Scale PDF annotations #1479

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9f4f392
properly scaling annotations
Dec 9, 2022
ae4411c
Merge branch 'main' into 1386-scale-annotations
MartinThoma Dec 10, 2022
2a060d9
Update PyPDF2/_page.py
MartinThoma Dec 10, 2022
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14 changes: 14 additions & 0 deletions PyPDF2/_page.py
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Expand Up @@ -58,6 +58,7 @@
from .constants import ImageAttributes as IA
from .constants import PageAttributes as PG
from .constants import Ressources as RES
from .constants import AnnotationDictionaryAttributes as ADA
from .errors import PageSizeNotDefinedError
from .filters import _xobj_to_image
from .generic import (
Expand Down Expand Up @@ -1057,6 +1058,19 @@ def scale(self, sx: float, sy: float) -> None:
self.bleedbox = self.bleedbox.scale(sx, sy)
self.trimbox = self.trimbox.scale(sx, sy)
self.mediabox = self.mediabox.scale(sx, sy)

if PG.ANNOTS in self:
annotations = self[PG.ANNOTS]
for annotation in annotations:
annotation_obj = annotation.get_object()
if ADA.Rect in annotation_obj:
rectangle = annotation_obj[ADA.Rect]
if isinstance(rectangle, ArrayObject):
rectangle[0] = FloatObject(float(rectangle[0]) * sx)
rectangle[1] = FloatObject(float(rectangle[1]) * sy)
rectangle[2] = FloatObject(float(rectangle[2]) * sx)
rectangle[3] = FloatObject(float(rectangle[3]) * sy)
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if PG.VP in self:
viewport = self[PG.VP]
if isinstance(viewport, ArrayObject):
Expand Down