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/bleeds_dialog.py

@@ -0,0 +1,53 @@
+"""Dialogue Definition des fonds perdus."""
+
+from PyQt6.QtWidgets import (QDialog, QVBoxLayout, QHBoxLayout, QLabel,
+                              QGroupBox, QDoubleSpinBox, QDialogButtonBox)
+
+
+class BleedsDialog(QDialog):
+    def __init__(self, parent=None):
+        super().__init__(parent)
+        self.setWindowTitle("Fonds perdus (Bleeds)")
+        self.setMinimumWidth(350)
+        self._setup_ui()
+
+    def _setup_ui(self):
+        layout = QVBoxLayout(self)
+
+        layout.addWidget(QLabel(
+            "Definir la zone de fond perdu autour de chaque page.\n"
+            "Cette zone sera prise en compte par les fonctions N-Up et Repetition."
+        ))
+
+        grp = QGroupBox("Fonds perdus (mm)")
+        gl = QVBoxLayout(grp)
+
+        self.spins = {}
+        for label in ["Haut", "Bas", "Gauche", "Droite"]:
+            hl = QHBoxLayout()
+            hl.addWidget(QLabel(f"{label} :"))
+            spin = QDoubleSpinBox()
+            spin.setRange(0, 50)
+            spin.setValue(3)
+            spin.setSuffix(" mm")
+            hl.addWidget(spin)
+            hl.addStretch()
+            gl.addLayout(hl)
+            self.spins[label.lower()] = spin
+
+        layout.addWidget(grp)
+
+        buttons = QDialogButtonBox(
+            QDialogButtonBox.StandardButton.Ok | QDialogButtonBox.StandardButton.Cancel
+        )
+        buttons.accepted.connect(self.accept)
+        buttons.rejected.connect(self.reject)
+        layout.addWidget(buttons)
+
+    def get_settings(self):
+        return {
+            "bleed_top": self.spins["haut"].value(),
+            "bleed_bottom": self.spins["bas"].value(),
+            "bleed_left": self.spins["gauche"].value(),
+            "bleed_right": self.spins["droite"].value(),
+        }