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PDF: ignore outline, annots, etc. when merging background-pdf (#4249)

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This commit is contained in:
Richard Schreiber
2024-06-20 12:07:04 +02:00
committed by GitHub
parent 7338381e58
commit 9ffdf979f4
1 changed files with 18 additions and 3 deletions
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21
src/pretix/base/pdf.py
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@@ -1092,10 +1092,20 @@ class Renderer:
fg_num_pages = fg_pdf.get_num_pages()
bg_num_pages = self.bg_pdf.get_num_pages()
bg_pdf_to_merge = PdfWriter()
bg_pdf_to_merge.append(self.bg_pdf, pages=(0, min(bg_num_pages, fg_num_pages)))
bg_pdf_to_merge.append(
self.bg_pdf,
pages=(0, min(bg_num_pages, fg_num_pages)),
import_outline=False,
excluded_fields=("/Annots", "/B")
)
if fg_num_pages > bg_num_pages:
# repeat last page in bg_pdf to match fg_pdf
bg_pdf_to_merge.append(bg_pdf_to_merge, pages=[bg_num_pages - 1] * (fg_num_pages - bg_num_pages))
bg_pdf_to_merge.append(
bg_pdf_to_merge,
pages=[bg_num_pages - 1] * (fg_num_pages - bg_num_pages),
import_outline=False,
excluded_fields=("/Annots", "/B")
)
bg_pdf_to_merge.write(bg_filename)
@@ -1162,7 +1172,12 @@ def merge_background(fg_pdf: PdfWriter, bg_pdf: PdfWriter, out_file, compress):
bg_num_pages = bg_pdf.get_num_pages()
if fg_num_pages > bg_num_pages:
# repeat last page in bg_pdf to match fg_pdf
bg_pdf.append(bg_pdf, pages=[bg_num_pages - 1] * (fg_num_pages - bg_num_pages))
bg_pdf.append(
bg_pdf,
pages=[bg_num_pages - 1] * (fg_num_pages - bg_num_pages),
import_outline=False,
excluded_fields=("/Annots", "/B")
)
bg_pdf.write(bg_filename)