Add a 'Stamp' widget.

Place one or multiple stamps on scanned pages in defined locations.

A stamp is understood here as
 - a transparent text in a transparent frame with no borders
 - an opaque text on an opaque background with no borders.

Stamp parameters:
 - text
 - font
 - foreground colour
 - background colour
 - angle of rotation
 - transparency.

Locations:
 - centre
 - cardinal directions
 - inter-cardinal directions.

Resources/StampWidget/XStampWidget.h

@@ -0,0 +1,52 @@
+// /*
+//  * File:   XStampWidget.h
+//  * Author: Saleem Edah-Tally - nmset@yandex.com
+//  * License : CeCILL-C
+//  * Copyright Saleem Edah-Tally - © 2025
+//  *
+//  * Created on 01 07 2025, 20:35
+//  */
+
+#ifndef XSTAMPWIDGET_H
+#define XSTAMPWIDGET_H
+
+#include "StampWidget.h"
+#include <wx/wx.h>
+#include <wx/config.h>
+#include <wx/generic/statbmpg.h>
+
+struct StampDescriptor;
+
+/**
+ * This widget collects inputs for the creation of a stamp on scan pages.\n
+ *  - text
+ *  - font
+ *  - foreground colour
+ *  - background colour
+ *  - angle of rotation
+ *  - transparency.
+ */
+class XStampWidget : public StampWidget
+{
+  DECLARE_DYNAMIC_CLASS( XStampWidget )
+public:
+  XStampWidget( wxWindow* parent, wxWindowID id = SYMBOL_STAMPWIDGET_IDNAME, const wxPoint& pos = SYMBOL_STAMPWIDGET_POSITION, const wxSize& size = SYMBOL_STAMPWIDGET_SIZE, long style = SYMBOL_STAMPWIDGET_STYLE );
+
+  bool Setup(wxConfig * config);
+  StampDescriptor * GetStampDescriptor();
+private:
+  wxConfig * m_config;
+  std::unique_ptr<StampDescriptor> m_descriptor;
+  wxGenericStaticBitmap * m_sbmpPreview;
+
+  void OnFontChanged(wxFontPickerEvent& evt);
+  void OnForegroundColourChanged(wxColourPickerEvent& evt);
+  void OnBackgroundColourChanged(wxColourPickerEvent& evt);
+  void OnAngleSliderChanged(wxScrollEvent& evt);
+  void OnTxtKeyPressed ( wxKeyEvent& evt );
+  void OnLocationChanged(wxCommandEvent& evt);
+  void OnTransparencyToggled(wxCommandEvent& evt);
+  void OnBitmapPreview(wxMouseEvent& evt);
+};
+
+#endif // XSTAMPWIDGET_H