V3.6.0 — Demonter pages, masquage visuel, regles, bleeds, corrections
- 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>
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Jules
@@ -5,36 +5,50 @@ 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):
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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:
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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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if i in pages:
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w, h = get_page_size(page)
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new_left = float(page.mediabox.left) + crop_left
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new_bottom = float(page.mediabox.bottom) + crop_bottom
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new_right = float(page.mediabox.right) - crop_right
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new_top = float(page.mediabox.top) - crop_top
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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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# 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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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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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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# 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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@@ -1,6 +1,6 @@
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"""Moteur Reperes de coupe autonomes."""
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from pypdf import PdfReader, PdfWriter
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from pypdf import PdfReader, PdfWriter, PageObject, Transformation
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from reportlab.pdfgen import canvas
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from .pdf_utils import get_page_size
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import io
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@@ -8,11 +8,18 @@ import io
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def add_crop_marks(input_path, output_path, mark_length=14.17, mark_offset=7.09,
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line_width=0.25, color=(0, 0, 0), center_marks=False,
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apply_to="all", current_page=0):
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"""Ajouter des reperes de coupe sur les pages."""
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apply_to="all", current_page=0, **_kwargs):
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"""Ajouter des reperes de coupe sur les pages.
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Les marques sont placees a l'exterieur de la zone d'impression.
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Chaque coin a 2 traits (1 horizontal + 1 vertical) formant un L.
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La page est agrandie pour contenir les marques.
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"""
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reader = PdfReader(input_path)
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writer = PdfWriter()
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margin = mark_offset + mark_length
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for i, page in enumerate(reader.pages):
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page_num = i + 1
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should_apply = False
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@@ -27,46 +34,62 @@ def add_crop_marks(input_path, output_path, mark_length=14.17, mark_offset=7.09,
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if should_apply:
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w, h = get_page_size(page)
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# Canvas agrandi pour inclure les marques
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cw = w + 2 * margin
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ch = h + 2 * margin
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packet = io.BytesIO()
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c = canvas.Canvas(packet, pagesize=(w, h))
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c = canvas.Canvas(packet, pagesize=(cw, ch))
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c.setLineWidth(line_width)
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c.setStrokeColorRGB(*color)
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# 4 coins
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corners = [(0, 0), (w, 0), (0, h), (w, h)]
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for cx, cy in corners:
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# Traits horizontaux
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if cx == 0:
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c.line(cx - mark_offset - mark_length, cy, cx - mark_offset, cy)
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else:
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c.line(cx + mark_offset, cy, cx + mark_offset + mark_length, cy)
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# Traits verticaux
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if cy == 0:
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c.line(cx, cy - mark_offset - mark_length, cx, cy - mark_offset)
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else:
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c.line(cx, cy + mark_offset, cx, cy + mark_offset + mark_length)
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# Les coordonnees de la zone d'impression dans le canvas agrandi
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ox, oy = margin, margin # origine de la page originale
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# 4 coins — 2 traits par coin (L exterieur)
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# Bas-gauche
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c.line(ox - mark_offset - mark_length, oy, ox - mark_offset, oy)
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c.line(ox, oy - mark_offset - mark_length, ox, oy - mark_offset)
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# Bas-droite
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c.line(ox + w + mark_offset, oy, ox + w + mark_offset + mark_length, oy)
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c.line(ox + w, oy - mark_offset - mark_length, ox + w, oy - mark_offset)
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# Haut-gauche
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c.line(ox - mark_offset - mark_length, oy + h, ox - mark_offset, oy + h)
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c.line(ox, oy + h + mark_offset, ox, oy + h + mark_offset + mark_length)
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# Haut-droite
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c.line(ox + w + mark_offset, oy + h, ox + w + mark_offset + mark_length, oy + h)
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c.line(ox + w, oy + h + mark_offset, ox + w, oy + h + mark_offset + mark_length)
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# Reperes de centrage
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if center_marks:
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mid_x = w / 2
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mid_y = h / 2
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mid_x = ox + w / 2
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mid_y = oy + h / 2
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ml = mark_length * 0.7
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# Haut
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c.line(mid_x, h + mark_offset, mid_x, h + mark_offset + ml)
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c.line(mid_x, oy + h + mark_offset, mid_x, oy + h + mark_offset + ml)
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# Bas
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c.line(mid_x, -mark_offset, mid_x, -mark_offset - ml)
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c.line(mid_x, oy - mark_offset, mid_x, oy - mark_offset - ml)
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# Gauche
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c.line(-mark_offset, mid_y, -mark_offset - ml, mid_y)
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c.line(ox - mark_offset, mid_y, ox - mark_offset - ml, mid_y)
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# Droite
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c.line(w + mark_offset, mid_y, w + mark_offset + ml, mid_y)
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c.line(ox + w + mark_offset, mid_y, ox + w + mark_offset + ml, mid_y)
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c.showPage()
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c.save()
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packet.seek(0)
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overlay = PdfReader(packet)
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page.merge_page(overlay.pages[0])
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overlay_reader = PdfReader(packet)
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overlay_page = overlay_reader.pages[0]
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writer.add_page(page)
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# Creer une nouvelle page agrandie
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new_page = PageObject.create_blank_page(width=cw, height=ch)
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# Placer la page originale au centre (decalee de margin)
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page.add_transformation(Transformation().translate(margin, margin))
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new_page.merge_page(page)
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# Ajouter les marques de coupe par-dessus
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new_page.merge_page(overlay_page)
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writer.add_page(new_page)
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else:
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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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39
app/engine/disassemble.py
Normal file
39
app/engine/disassemble.py
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@@ -0,0 +1,39 @@
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"""Moteur Demonter les pages — couper en 2 sans reordonner."""
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from pypdf import PdfReader, PdfWriter, PageObject, Transformation
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from .pdf_utils import get_page_size
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def disassemble_pages(input_path, output_path):
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"""Demonter un PDF : couper chaque page en 2 moities (gauche puis droite).
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Contrairement a Delivretiser, les pages ne sont PAS remises dans l'ordre
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du livret. On obtient simplement 2x plus de pages dans l'ordre de lecture.
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"""
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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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half_w = w / 2
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# Moitie gauche
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left_page = PageObject.create_blank_page(width=half_w, height=h)
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left_overlay = PageObject.create_blank_page(width=half_w, height=h)
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left_overlay.merge_page(page)
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left_overlay.mediabox.upper_right = (half_w, h)
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left_page.merge_page(left_overlay)
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writer.add_page(left_page)
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# Moitie droite
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right_page = PageObject.create_blank_page(width=half_w, height=h)
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right_overlay = PageObject.create_blank_page(width=half_w, height=h)
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right_overlay.merge_page(page)
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right_overlay.add_transformation(Transformation().translate(-half_w, 0))
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right_overlay.mediabox.upper_right = (half_w, h)
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right_page.merge_page(right_overlay)
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writer.add_page(right_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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@@ -10,7 +10,8 @@ def apply_masking(input_path, output_path, rectangles, apply_to="all"):
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"""Appliquer des rectangles blancs de masquage.
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rectangles: liste de dicts {"x": pt, "y": pt, "width": pt, "height": pt}
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apply_to: "all", "even", "odd", ou un numero de page (1-based)
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apply_to: "all", "even", "odd", un numero de page (int, 1-based),
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ou une liste d'indices (0-based)
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"""
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reader = PdfReader(input_path)
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writer = PdfWriter()
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@@ -27,6 +28,8 @@ def apply_masking(input_path, output_path, rectangles, apply_to="all"):
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should_apply = page_num % 2 != 0
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elif isinstance(apply_to, int):
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should_apply = page_num == apply_to
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elif isinstance(apply_to, list):
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should_apply = i in apply_to
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if should_apply and rectangles:
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w, h = get_page_size(page)
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