V3.3.0 — Edition contenu, actions CLI, menu contextuel enrichi

- Edition de contenu PDF (Annotations > Editer le contenu) :
  - Onglet Texte : liste le texte detecte, masquer des lignes
  - Onglet Images : liste les images, remplacer ou masquer
- Actions en ligne de commande (--action booklet_a4|booklet_a3|nup_2x2|unbooklet)
- Menu contextuel Windows enrichi :
  - Ouvrir, Livret A4, Livret A3, 2x2 par feuille, Delivretiser
- Bouton Editer dans la barre d'outils droite

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

app/main_window.py

@@ -41,7 +41,9 @@ from app.engine.crop import crop_pages
 from app.engine.add_content import add_text_to_pages, add_image_to_pages
 from app.engine.unbooklet import unbooklet
 from app.engine.trim_shift import trim_and_shift
+from app.engine.extract_content import extract_text_from_page, extract_images_from_page
 from app.dialogs.trim_shift_dialog import TrimShiftDialog
+from app.dialogs.edit_content_dialog import EditContentDialog
 
 
 class MainWindow(QMainWindow):
@@ -236,6 +238,8 @@ class MainWindow(QMainWindow):
 
         # Annotations
         annot_menu = menubar.addMenu("Annotations")
+        self._add_action(annot_menu, "Editer le contenu...", None, self._do_edit_content)
+        annot_menu.addSeparator()
         self._add_action(annot_menu, "Ajouter du texte...", None, self._do_add_text)
         self._add_action(annot_menu, "Ajouter une image...", None, self._do_add_image)
         annot_menu.addSeparator()
@@ -331,6 +335,7 @@ class MainWindow(QMainWindow):
 
         # Section Annotations
         rtb.addWidget(self._make_section_label("ANNOTATIONS"))
+        rtb.addAction("Editer", self._do_edit_content)
         rtb.addAction("Texte", self._do_add_text)
         rtb.addAction("Image", self._do_add_image)
         rtb.addAction("Numeros", self._do_page_numbers)
@@ -812,6 +817,72 @@ class MainWindow(QMainWindow):
             self._hide_progress()
             QMessageBox.critical(self, "Erreur", str(e))
 
+    def _do_edit_content(self):
+        if not self._require_file():
+            return
+        cur = self._viewer.current_page
+        texts = extract_text_from_page(self._current_file, cur)
+        images = extract_images_from_page(self._current_file, cur)
+        dlg = EditContentDialog(text_items=texts, image_items=images, parent=self)
+        if dlg.exec():
+            actions = dlg.get_actions()
+            if not actions:
+                return
+            self._show_progress()
+            from pypdf import PdfReader, PdfWriter
+            from app.engine.pdf_utils import get_page_size
+            from reportlab.pdfgen import canvas as rl_canvas
+            import io
+            reader = PdfReader(self._current_file)
+            writer = PdfWriter()
+            page = reader.pages[cur]
+            w, h = get_page_size(page)
+
+            # Appliquer les masquages de texte
+            mask_lines = [a["line_index"] for a in actions if a["type"] == "mask_text"]
+            if mask_lines:
+                packet = io.BytesIO()
+                c = rl_canvas.Canvas(packet, pagesize=(w, h))
+                c.setFillColorRGB(1, 1, 1)
+                line_h = h / max(len(texts), 1)
+                for li in mask_lines:
+                    y = h - (li + 1) * line_h
+                    c.rect(0, y, w, line_h, fill=1, stroke=0)
+                c.showPage()
+                c.save()
+                packet.seek(0)
+                overlay = PdfReader(packet)
+                page.merge_page(overlay.pages[0])
+
+            # Remplacer les images
+            for a in actions:
+                if a["type"] == "replace_image" and a.get("new_path"):
+                    from app.engine.extract_content import replace_image_in_page
+                    # On fait un write intermediaire
+                    tmp = self._make_temp()
+                    for ii, pp in enumerate(reader.pages):
+                        writer.add_page(pp)
+                    with open(tmp, "wb") as f:
+                        writer.write(f)
+                    replace_image_in_page(tmp, tmp, cur, a["name"], a["new_path"])
+                    reader = PdfReader(tmp)
+                    writer = PdfWriter()
+                    for pp in reader.pages:
+                        writer.add_page(pp)
+                    output = self._make_temp()
+                    with open(output, "wb") as f:
+                        writer.write(f)
+                    self._show_result(output)
+                    return
+
+            for i, p in enumerate(reader.pages):
+                writer.add_page(p)
+            output = self._make_temp()
+            with open(output, "wb") as f:
+                writer.write(f)
+            self._show_result(output)
+            self._status_label.setText("Contenu edite")
+
     def _do_add_text(self):
         if not self._require_file():
             return