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/InsaneWidget/DefsInsaneWidget.h

@@ -0,0 +1,30 @@
+// /*
+//  * File:   DefsInsaneWidget.h
+//  * Author: Saleem Edah-Tally - nmset@yandex.com
+//  * License : CeCILL-C
+//  * Copyright Saleem Edah-Tally - © 2025
+//  *
+//  * Created on 08 07 2025, 20:44
+//  */
+
+#ifndef DEFSINSANEWIDGET_H
+#define DEFSINSANEWIDGET_H
+
+#include <string>
+#include <map>
+
+enum {PDF, PNG, JPEG, TIFF, PNM};
+typedef std::map <int, std::string> ExtensionsMap;
+
+static ExtensionsMap Extensions;
+
+static void UpdateExtensionsMap()
+{
+  Extensions[PDF] = "pdf";
+  Extensions[PNG] = "png";
+  Extensions[JPEG] = "jpeg";
+  Extensions[TIFF] = "tiff";
+  Extensions[PNM] = "pnm";
+}
+
+#endif // DEFSINSANEWIDGET_H