e3dfd90933
Outil d'imposition PDF desktop (PyQt6) remplacant Quite Imposing Plus. 9 fonctions : livret, n-up, step & repeat, imposition manuelle, jointure pages, pages blanches, numerotation, masquage, fonds perdus. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
37 lines
1.0 KiB
Python
37 lines
1.0 KiB
Python
"""Moteur Definition des fonds perdus (bleeds)."""
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from pypdf import PdfReader, PdfWriter
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from .pdf_utils import get_page_size, mm_to_pt
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def define_bleeds(input_path, output_path, bleed_top=0, bleed_bottom=0,
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bleed_left=0, bleed_right=0):
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"""Definir les zones de fond perdu en etendant le TrimBox/BleedBox.
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Les valeurs sont en millimetres.
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"""
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bt = mm_to_pt(bleed_top)
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bb = mm_to_pt(bleed_bottom)
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bl = mm_to_pt(bleed_left)
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br = mm_to_pt(bleed_right)
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reader = PdfReader(input_path)
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writer = PdfWriter()
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for page in reader.pages:
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w, h = get_page_size(page)
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# Le TrimBox definit la taille finale apres coupe
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page.trimbox.lower_left = (bl, bb)
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page.trimbox.upper_right = (w - br, h - bt)
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# Le BleedBox inclut le fond perdu
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page.bleedbox.lower_left = (0, 0)
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page.bleedbox.upper_right = (w, h)
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writer.add_page(page)
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with open(output_path, "wb") as f:
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writer.write(f)
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return output_path
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