83 lines
3.3 KiB
C++
83 lines
3.3 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef INCLUDED_SLIDESHOW_SOURCE_ENGINE_SLIDE_USERPAINTOVERLAY_HXX
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#define INCLUDED_SLIDESHOW_SOURCE_ENGINE_SLIDE_USERPAINTOVERLAY_HXX
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#include <cppcanvas/canvasgraphic.hxx>
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#include <rgbcolor.hxx>
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#include <memory>
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#include <vector>
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/* Definition of UserPaintOverlay class */
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namespace slideshow::internal
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{
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class EventMultiplexer;
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struct SlideShowContext;
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class PaintOverlayHandler;
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typedef ::std::shared_ptr< class UserPaintOverlay > UserPaintOverlaySharedPtr;
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typedef ::std::vector< ::cppcanvas::PolyPolygonSharedPtr> PolyPolygonVector;
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/** Slide overlay, which can be painted into by the user.
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This class registers itself at the EventMultiplexer,
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listening for mouse clicks and moves. When the mouse is
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dragged, a hand sketching in the selected color is shown.
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*/
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class UserPaintOverlay
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{
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public:
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/** Create a UserPaintOverlay
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@param rStrokeColor
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Color to use for drawing
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@param nStrokeWidth
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Width of the stroked path
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*/
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static UserPaintOverlaySharedPtr create( const RGBColor& rStrokeColor,
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double nStrokeWidth,
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const SlideShowContext& rContext,
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PolyPolygonVector&& rPolygons,
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bool bActive);
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~UserPaintOverlay();
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UserPaintOverlay(const UserPaintOverlay&) = delete;
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UserPaintOverlay& operator=(const UserPaintOverlay&) = delete;
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PolyPolygonVector const & getPolygons() const;
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void drawPolygons();
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private:
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UserPaintOverlay( const RGBColor& rStrokeColor,
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double nStrokeWidth,
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const SlideShowContext& rContext,
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PolyPolygonVector&& rPolygons,
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bool bActive );
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::std::shared_ptr<PaintOverlayHandler> mpHandler;
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EventMultiplexer& mrMultiplexer;
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};
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}
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#endif // INCLUDED_SLIDESHOW_SOURCE_ENGINE_SLIDE_USERPAINTOVERLAY_HXX
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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