V2.2.0 — Recadrage + Impression

- Recadrage de pages (Pages > Recadrer) :
  - Mode marges : retirer X mm de chaque cote
  - Mode taille finale : definir la taille souhaitee (centrage auto)
  - Apercu en temps reel de la dimension finale
  - Appliquer a : page courante, toutes, paires, impaires, plage
  - Plage de pages personnalisee (ex: 1-3, 5, 8-10)
- Impression (Fichier > Imprimer / Ctrl+P) : ouvre le PDF dans le viewer par defaut

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

app/main_window.py

@@ -23,6 +23,7 @@ from app.dialogs.page_numbers_dialog import PageNumbersDialog
 from app.dialogs.masking_dialog import MaskingDialog
 from app.dialogs.bleeds_dialog import BleedsDialog
 from app.dialogs.crop_marks_dialog import CropMarksDialog
+from app.dialogs.crop_dialog import CropDialog
 
 from app.engine.booklet import create_booklet
 from app.engine.nup import nup_pages
@@ -34,6 +35,7 @@ from app.engine.page_numbers import add_page_numbers
 from app.engine.masking import apply_masking
 from app.engine.bleeds import define_bleeds
 from app.engine.crop_marks import add_crop_marks, remove_crop_marks
+from app.engine.crop import crop_pages
 
 
 class MainWindow(QMainWindow):
@@ -100,6 +102,7 @@ class MainWindow(QMainWindow):
         file_menu = menubar.addMenu("Fichier")
         self._add_action(file_menu, "Ouvrir PDF...", "Ctrl+O", self._open_file)
         self._add_action(file_menu, "Enregistrer le resultat...", "Ctrl+S", self._save_result)
+        self._add_action(file_menu, "Imprimer...", "Ctrl+P", self._do_print)
         file_menu.addSeparator()
         self._add_action(file_menu, "Fusionner des PDF...", "Ctrl+M", self._do_merge)
         file_menu.addSeparator()
@@ -115,6 +118,8 @@ class MainWindow(QMainWindow):
 
         # Pages
         pages_menu = menubar.addMenu("Pages")
+        self._add_action(pages_menu, "Recadrer...", None, self._do_crop)
+        pages_menu.addSeparator()
         self._add_action(pages_menu, "Inserer des pages blanches", None, self._do_insert_blank)
 
         # Annotations
@@ -494,6 +499,42 @@ class MainWindow(QMainWindow):
             self._hide_progress()
             QMessageBox.critical(self, "Erreur", str(e))
 
+    def _do_crop(self):
+        if not self._require_file():
+            return
+        from pypdf import PdfReader
+        from app.engine.pdf_utils import get_page_size
+        reader = PdfReader(self._current_file)
+        page = reader.pages[self._viewer.current_page]
+        w, h = get_page_size(page)
+        dlg = CropDialog(
+            page_width_pt=w, page_height_pt=h,
+            total_pages=len(reader.pages),
+            current_page=self._viewer.current_page,
+            parent=self
+        )
+        if dlg.exec():
+            self._show_progress()
+            settings = dlg.get_settings()
+            output = self._make_temp()
+            try:
+                crop_pages(self._current_file, output, **settings)
+                self._show_result(output)
+            except Exception as e:
+                self._hide_progress()
+                QMessageBox.critical(self, "Erreur", str(e))
+
+    def _do_print(self):
+        if not self._require_file():
+            return
+        import subprocess
+        try:
+            source = self._result_file or self._current_file
+            subprocess.Popen(["cmd", "/c", "start", "", source], shell=True)
+            self._status_label.setText("Ouverture pour impression...")
+        except Exception as e:
+            QMessageBox.critical(self, "Erreur", f"Impossible d'imprimer :\n{e}")
+
     def _do_crop_marks(self):
         if not self._require_file():
             return