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+/* -*- 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_SLIDE_USERPAINTOVERLAY_HXX
+#define INCLUDED_SLIDESHOW_SOURCE_ENGINE_SLIDE_USERPAINTOVERLAY_HXX
+
+#include <cppcanvas/canvasgraphic.hxx>
+
+#include <rgbcolor.hxx>
+
+#include <memory>
+#include <vector>
+
+/* Definition of UserPaintOverlay class */
+
+namespace slideshow::internal
+ {
+ class EventMultiplexer;
+ struct SlideShowContext;
+
+ class PaintOverlayHandler;
+ typedef ::std::shared_ptr< class UserPaintOverlay > UserPaintOverlaySharedPtr;
+ typedef ::std::vector< ::cppcanvas::PolyPolygonSharedPtr> PolyPolygonVector;
+ /** Slide overlay, which can be painted into by the user.
+
+ This class registers itself at the EventMultiplexer,
+ listening for mouse clicks and moves. When the mouse is
+ dragged, a hand sketching in the selected color is shown.
+ */
+ class UserPaintOverlay
+ {
+ public:
+ /** Create a UserPaintOverlay
+
+ @param rStrokeColor
+ Color to use for drawing
+
+ @param nStrokeWidth
+ Width of the stroked path
+ */
+ static UserPaintOverlaySharedPtr create( const RGBColor& rStrokeColor,
+ double nStrokeWidth,
+ const SlideShowContext& rContext,
+ PolyPolygonVector&& rPolygons,
+ bool bActive);
+ ~UserPaintOverlay();
+ UserPaintOverlay(const UserPaintOverlay&) = delete;
+ UserPaintOverlay& operator=(const UserPaintOverlay&) = delete;
+ PolyPolygonVector const & getPolygons() const;
+ void drawPolygons();
+
+ private:
+ UserPaintOverlay( const RGBColor& rStrokeColor,
+ double nStrokeWidth,
+ const SlideShowContext& rContext,
+ PolyPolygonVector&& rPolygons,
+ bool bActive );
+
+ ::std::shared_ptr<PaintOverlayHandler> mpHandler;
+ EventMultiplexer& mrMultiplexer;
+ };
+
+}
+
+#endif // INCLUDED_SLIDESHOW_SOURCE_ENGINE_SLIDE_USERPAINTOVERLAY_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */