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>
69 lines
2.1 KiB
Python
69 lines
2.1 KiB
Python
"""Moteur Imposition manuelle."""
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from pypdf import PdfReader, PdfWriter, PageObject, Transformation
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from .pdf_utils import get_page_size, create_crop_marks_page
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def manual_impose(input_path, output_path, sheet_size, placements, crop_marks=False):
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"""Imposition manuelle : placer des pages a des positions precises.
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sheet_size: (largeur, hauteur) en points
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placements: liste de dicts:
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{"page": int (1-based), "x": float, "y": float, "scale": float, "rotation": int}
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"""
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reader = PdfReader(input_path)
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pages = reader.pages
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sheet_w, sheet_h = sheet_size
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writer = PdfWriter()
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sheet = PageObject.create_blank_page(width=sheet_w, height=sheet_h)
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mark_positions = []
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for p in placements:
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page_idx = p["page"] - 1
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if page_idx < 0 or page_idx >= len(pages):
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continue
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page = pages[page_idx]
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page_w, page_h = get_page_size(page)
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x = p.get("x", 0)
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y = p.get("y", 0)
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scale = p.get("scale", 1.0)
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rotation = p.get("rotation", 0)
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overlay = PageObject.create_blank_page(width=sheet_w, height=sheet_h)
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overlay.merge_page(page)
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transform = Transformation()
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if rotation:
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# Rotation autour du centre de la page
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cx = page_w / 2
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cy = page_h / 2
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transform = transform.translate(-cx, -cy)
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transform = transform.rotate(rotation)
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transform = transform.translate(cx, cy)
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transform = transform.scale(scale, scale).translate(x, y)
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overlay.add_transformation(transform)
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sheet.merge_page(overlay)
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if crop_marks:
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scaled_w = page_w * scale
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scaled_h = page_h * scale
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mark_positions.extend([
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(x, y),
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(x + scaled_w, y),
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(x, y + scaled_h),
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(x + scaled_w, y + scaled_h),
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])
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if crop_marks and mark_positions:
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marks = create_crop_marks_page(sheet_w, sheet_h, mark_positions)
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sheet.merge_page(marks)
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writer.add_page(sheet)
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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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