Initial commit — Copydev Imposing Tool

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>

app/dialogs/nup_dialog.py

@@ -0,0 +1,131 @@
+"""Dialogue N pages par feuille."""
+
+from PyQt6.QtWidgets import (QDialog, QVBoxLayout, QHBoxLayout, QLabel,
+                              QComboBox, QGroupBox, QSpinBox, QCheckBox,
+                              QDialogButtonBox, QDoubleSpinBox, QFileDialog)
+from app.engine.pdf_utils import PAGE_SIZES, mm_to_pt
+
+
+class NupDialog(QDialog):
+    def __init__(self, parent=None):
+        super().__init__(parent)
+        self.setWindowTitle("N pages par feuille")
+        self.setMinimumWidth(450)
+        self._bg_path = None
+        self._setup_ui()
+
+    def _setup_ui(self):
+        layout = QVBoxLayout(self)
+
+        # Grille
+        grp_grid = QGroupBox("Disposition")
+        gl = QHBoxLayout(grp_grid)
+        gl.addWidget(QLabel("Colonnes :"))
+        self.spin_cols = QSpinBox()
+        self.spin_cols.setRange(1, 10)
+        self.spin_cols.setValue(2)
+        gl.addWidget(self.spin_cols)
+        gl.addWidget(QLabel("Lignes :"))
+        self.spin_rows = QSpinBox()
+        self.spin_rows.setRange(1, 10)
+        self.spin_rows.setValue(2)
+        gl.addWidget(self.spin_rows)
+        layout.addWidget(grp_grid)
+
+        # Taille feuille
+        grp_sheet = QGroupBox("Taille de la feuille")
+        sl = QHBoxLayout(grp_sheet)
+        sl.addWidget(QLabel("Format :"))
+        self.combo_sheet = QComboBox()
+        for name in PAGE_SIZES:
+            self.combo_sheet.addItem(name)
+        self.combo_sheet.setCurrentText("A4 Paysage")
+        sl.addWidget(self.combo_sheet)
+        layout.addWidget(grp_sheet)
+
+        # Marges
+        grp_margins = QGroupBox("Marges (mm)")
+        ml = QHBoxLayout(grp_margins)
+        self.margins = {}
+        for label in ["Haut", "Bas", "Gauche", "Droite"]:
+            ml.addWidget(QLabel(f"{label}:"))
+            spin = QDoubleSpinBox()
+            spin.setRange(0, 100)
+            spin.setValue(5)
+            spin.setSuffix(" mm")
+            ml.addWidget(spin)
+            self.margins[label.lower()] = spin
+        layout.addWidget(grp_margins)
+
+        # Gouttiere
+        grp_gutter = QGroupBox("Gouttiere (mm)")
+        gutl = QHBoxLayout(grp_gutter)
+        gutl.addWidget(QLabel("Horizontale :"))
+        self.spin_gutter_h = QDoubleSpinBox()
+        self.spin_gutter_h.setRange(0, 50)
+        self.spin_gutter_h.setValue(0)
+        self.spin_gutter_h.setSuffix(" mm")
+        gutl.addWidget(self.spin_gutter_h)
+        gutl.addWidget(QLabel("Verticale :"))
+        self.spin_gutter_v = QDoubleSpinBox()
+        self.spin_gutter_v.setRange(0, 50)
+        self.spin_gutter_v.setValue(0)
+        self.spin_gutter_v.setSuffix(" mm")
+        gutl.addWidget(self.spin_gutter_v)
+        layout.addWidget(grp_gutter)
+
+        # Options
+        grp_opts = QGroupBox("Options")
+        ol = QVBoxLayout(grp_opts)
+        self.chk_fit = QCheckBox("Ajuster les pages a la cellule")
+        self.chk_fit.setChecked(True)
+        ol.addWidget(self.chk_fit)
+        self.chk_crop = QCheckBox("Reperes de coupe")
+        ol.addWidget(self.chk_crop)
+
+        bg_layout = QHBoxLayout()
+        self.chk_bg = QCheckBox("Fond PDF :")
+        bg_layout.addWidget(self.chk_bg)
+        self.lbl_bg = QLabel("Aucun")
+        bg_layout.addWidget(self.lbl_bg)
+        from PyQt6.QtWidgets import QPushButton
+        btn_bg = QPushButton("Choisir...")
+        btn_bg.clicked.connect(self._choose_bg)
+        bg_layout.addWidget(btn_bg)
+        bg_layout.addStretch()
+        ol.addLayout(bg_layout)
+
+        layout.addWidget(grp_opts)
+
+        # Boutons
+        buttons = QDialogButtonBox(
+            QDialogButtonBox.StandardButton.Ok | QDialogButtonBox.StandardButton.Cancel
+        )
+        buttons.accepted.connect(self.accept)
+        buttons.rejected.connect(self.reject)
+        layout.addWidget(buttons)
+
+    def _choose_bg(self):
+        path, _ = QFileDialog.getOpenFileName(self, "Choisir un fond PDF", "", "PDF (*.pdf)")
+        if path:
+            self._bg_path = path
+            self.lbl_bg.setText(path.split("/")[-1].split("\\")[-1])
+            self.chk_bg.setChecked(True)
+
+    def get_settings(self):
+        sheet_text = self.combo_sheet.currentText()
+        sheet_size = PAGE_SIZES[sheet_text]
+        return {
+            "cols": self.spin_cols.value(),
+            "rows": self.spin_rows.value(),
+            "sheet_size": sheet_size,
+            "margin_top": mm_to_pt(self.margins["haut"].value()),
+            "margin_bottom": mm_to_pt(self.margins["bas"].value()),
+            "margin_left": mm_to_pt(self.margins["gauche"].value()),
+            "margin_right": mm_to_pt(self.margins["droite"].value()),
+            "gutter_h": mm_to_pt(self.spin_gutter_h.value()),
+            "gutter_v": mm_to_pt(self.spin_gutter_v.value()),
+            "scale_mode": "fit" if self.chk_fit.isChecked() else "none",
+            "crop_marks": self.chk_crop.isChecked(),
+            "background_path": self._bg_path if self.chk_bg.isChecked() else None,
+        }