202834a794
- Demonter les pages : couper en 2 sans reordonner (sous Delivretiser) - Masquage visuel : selection au curseur sur l'apercu + plage de pages - Regles horizontale/verticale en mm (menu Affichage) - Fonds perdus : filigrane rouge pour visualiser les bleeds - Reperes de coupe : marques a l'exterieur (page agrandie), 2 traits/coin - Numerotation : couleur configurable via selecteur - Decalage : Trim & Shift renomme en francais, creep -> chasse - Recadrages multiples cumulatifs (plages differentes) - Fix spinbox format personnalise (fleches aleatoires) - Fix combo livret : option Automatique preservee Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
58 lines
2.0 KiB
Python
58 lines
2.0 KiB
Python
"""Moteur Recadrage de pages."""
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from pypdf import PdfReader, PdfWriter
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from .pdf_utils import get_page_size
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def crop_pages(input_path, output_path, crop_top=0, crop_bottom=0,
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crop_left=0, crop_right=0, pages=None, per_page_settings=None):
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"""Recadrer les pages specifiees.
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crop_top/bottom/left/right : en points, quantite a retirer de chaque cote
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pages : liste d'indices (0-based) des pages a recadrer. None = toutes.
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per_page_settings : dict {page_index: {"crop_top", "crop_bottom", "crop_left", "crop_right"}}
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Si fourni, applique des reglages differents par page.
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"""
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reader = PdfReader(input_path)
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writer = PdfWriter()
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if pages is None and per_page_settings is None:
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pages = list(range(len(reader.pages)))
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for i, page in enumerate(reader.pages):
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# Verifier si on a des reglages specifiques pour cette page
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if per_page_settings and i in per_page_settings:
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ps = per_page_settings[i]
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ct = ps.get("crop_top", 0)
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cb = ps.get("crop_bottom", 0)
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cl = ps.get("crop_left", 0)
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cr = ps.get("crop_right", 0)
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elif pages is not None and i in pages:
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ct, cb, cl, cr = crop_top, crop_bottom, crop_left, crop_right
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else:
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writer.add_page(page)
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continue
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w, h = get_page_size(page)
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new_left = float(page.mediabox.left) + cl
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new_bottom = float(page.mediabox.bottom) + cb
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new_right = float(page.mediabox.right) - cr
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new_top = float(page.mediabox.top) - ct
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# Securite
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if new_right <= new_left or new_top <= new_bottom:
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writer.add_page(page)
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continue
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page.mediabox.lower_left = (new_left, new_bottom)
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page.mediabox.upper_right = (new_right, new_top)
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page.cropbox = page.mediabox
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if hasattr(page, 'trimbox'):
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page.trimbox = page.mediabox
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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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