1 files changed, 40 insertions, 0 deletions
diff --git a/slideshow/source/engine/transitions/clockwipe.hxx b/slideshow/source/engine/transitions/clockwipe.hxx
new file mode 100644
index 000000000..b6745ed36
--- /dev/null
+++ b/slideshow/source/engine/transitions/clockwipe.hxx
@@ -0,0 +1,40 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#ifndef INCLUDED_SLIDESHOW_SOURCE_ENGINE_TRANSITIONS_CLOCKWIPE_HXX
+#define INCLUDED_SLIDESHOW_SOURCE_ENGINE_TRANSITIONS_CLOCKWIPE_HXX
+
+#include <basegfx/polygon/b2dpolygon.hxx>
+#include "parametricpolypolygon.hxx"
+
+namespace slideshow::internal
+{
+/// Generates a clockWiseTwelve clock wipe:
+class ClockWipe : public ParametricPolyPolygon
+{
+public:
+    /// 0,1 to 1,1 to 1,0 to 0,-1 to -1,0 to 0,1:
+    static ::basegfx::B2DPolygon calcCenteredClock(double t, double e = 1.0);
+    virtual ::basegfx::B2DPolyPolygon operator()(double t) override;
+};
+}
+
+#endif // INCLUDED_SLIDESHOW_SOURCE_ENGINE_TRANSITIONS_CLOCKWIPE_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */