From 5e368ef26064cd719d05560c485dfb463f783544 Mon Sep 17 00:00:00 2001
From: Jules <jules.dubois@gmail.com>
Date: Sat, 21 Mar 2026 16:43:32 +0100
Subject: [PATCH] =?UTF-8?q?V3.3.1=20=E2=80=94=20Impression=20directe=20via?=
 =?UTF-8?q?=20QPrinter?=
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- Impression directe sans passer par un lecteur PDF externe
- Dialogue d'impression natif Windows (QPrintDialog)
- Choix imprimante, copies, pages, orientation
- Rendu haute resolution (DPI de l'imprimante)
- Centrage automatique sur la page
- Fonctionne sans Adobe/Edge/lecteur PDF installe

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
---
 app/main_window.py | 86 +++++++++++++++++++++++++++++++++++-----------
 app/updater.py     |  2 +-
 version.txt        |  2 +-
 3 files changed, 68 insertions(+), 22 deletions(-)

diff --git a/app/main_window.py b/app/main_window.py
index 7c3c92b..5dd84b0 100644
--- a/app/main_window.py
+++ b/app/main_window.py
@@ -7,8 +7,8 @@ import shutil
 from PyQt6.QtWidgets import (QMainWindow, QWidget, QVBoxLayout, QHBoxLayout,
                               QLabel, QFileDialog, QMessageBox, QStatusBar,
                               QSplitter, QProgressBar, QApplication, QToolBar)
-from PyQt6.QtCore import Qt, QTimer
-from PyQt6.QtGui import QAction, QIcon, QDragEnterEvent, QDropEvent
+from PyQt6.QtCore import Qt, QTimer, QRect
+from PyQt6.QtGui import QAction, QIcon, QDragEnterEvent, QDropEvent, QPageLayout
 
 from app.pdf_viewer import PdfViewer
 from app.page_panel import PagePanel
@@ -1012,26 +1012,72 @@ class MainWindow(QMainWindow):
         if not self._require_file():
             return
         try:
+            from PyQt6.QtPrintSupport import QPrinter, QPrintDialog
+            from PyQt6.QtGui import QPainter, QImage
+            import pypdfium2 as pdfium
+
             source = self._result_file or self._current_file
-            tmp_print = os.path.join(tempfile.gettempdir(), "copydev_print.pdf")
-            shutil.copy2(source, tmp_print)
-            if sys.platform == "win32":
-                # "print" envoie directement au dialogue d'impression
-                os.startfile(tmp_print, "print")
-            else:
-                import subprocess
-                subprocess.Popen(["lp", tmp_print])
-            self._status_label.setText("Impression lancee...")
-        except OSError:
-            # Fallback : ouvrir le fichier normalement
-            try:
-                if sys.platform == "win32":
-                    os.startfile(tmp_print)
-                self._status_label.setText("Fichier ouvert — utilisez Ctrl+P pour imprimer")
-            except Exception as e2:
-                QMessageBox.critical(self, "Erreur", f"Impossible d'imprimer :\n{e2}")
+            pdf = pdfium.PdfDocument(source)
+
+            printer = QPrinter(QPrinter.PrinterMode.HighResolution)
+            printer.setPageOrientation(
+                QPageLayout.Orientation.Landscape
+                if pdf[0].get_size()[0] > pdf[0].get_size()[1]
+                else QPageLayout.Orientation.Portrait
+            )
+
+            dialog = QPrintDialog(printer, self)
+            dialog.setWindowTitle("Imprimer — CopyDev Imposing Tool")
+            if dialog.exec() != QPrintDialog.DialogCode.Accepted:
+                return
+
+            self._show_progress()
+            self._status_label.setText("Impression en cours...")
+            QApplication.processEvents()
+
+            painter = QPainter()
+            painter.begin(printer)
+
+            for i in range(len(pdf)):
+                if i > 0:
+                    printer.newPage()
+
+                page = pdf[i]
+                # Rendu a haute resolution
+                dpi = printer.resolution()
+                scale = dpi / 72
+                bitmap = page.render(scale=scale)
+                pil_image = bitmap.to_pil()
+
+                data = pil_image.tobytes("raw", "RGBA")
+                qimage = QImage(data, pil_image.width, pil_image.height, QImage.Format.Format_RGBA8888)
+
+                # Calculer le placement sur la page imprimee
+                page_rect = printer.pageRect(QPrinter.Unit.Point)
+                pw, ph = page.get_size()
+                scale_x = page_rect.width() / pil_image.width
+                scale_y = page_rect.height() / pil_image.height
+                s = min(scale_x, scale_y)
+
+                target_w = int(pil_image.width * s)
+                target_h = int(pil_image.height * s)
+                x = int((page_rect.width() - target_w) / 2)
+                y = int((page_rect.height() - target_h) / 2)
+
+                from PyQt6.QtCore import QRect
+                painter.drawImage(QRect(x, y, target_w, target_h), qimage)
+
+            painter.end()
+            self._hide_progress()
+            self._status_label.setText(f"Impression terminee — {len(pdf)} page(s)")
+
+        except ImportError:
+            QMessageBox.critical(self, "Erreur",
+                "Le module d'impression n'est pas disponible.\n"
+                "Installez PyQt6 avec le support impression.")
         except Exception as e:
-            QMessageBox.critical(self, "Erreur", f"Impossible d'imprimer :\n{e}")
+            self._hide_progress()
+            QMessageBox.critical(self, "Erreur", f"Erreur d'impression :\n{e}")
 
     def _do_crop_marks(self):
         if not self._require_file():
diff --git a/app/updater.py b/app/updater.py
index 8a6459b..f568a54 100644
--- a/app/updater.py
+++ b/app/updater.py
@@ -14,7 +14,7 @@ REPO = "jules/copydev-imposing-tool"
 BRANCH = "master"
 
 # Version actuelle (incrementee a chaque release)
-VERSION = "3.3.0"
+VERSION = "3.3.1"
 
 
 def get_remote_version():
diff --git a/version.txt b/version.txt
index 15a2799..bea438e 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-3.3.0
+3.3.1