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git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@8136 a592a061-630c-0410-9148-cb99ea01b6c8
64 lines
1.5 KiB
C++
64 lines
1.5 KiB
C++
// -*- C++ -*-
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/**
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* \file render_graphic.h
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author Angus Leeming
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*
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* Full author contact details are available in file CREDITS.
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*/
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#ifndef RENDER_GRAPHIC_H
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#define RENDER_GRAPHIC_H
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#include "render_base.h"
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#include "graphics/GraphicsLoader.h"
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#include "graphics/GraphicsParams.h"
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#include <boost/signals/signal0.hpp>
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class RenderGraphic : public RenderBase
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{
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public:
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RenderGraphic();
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RenderGraphic(RenderGraphic const &);
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std::auto_ptr<RenderBase> clone() const;
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/// compute the size of the object returned in dim
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void metrics(MetricsInfo & mi, Dimension & dim) const;
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/// draw inset
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void draw(PainterInfo & pi, int x, int y) const;
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/// Refresh the info about which file to display and how to display it.
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void update(lyx::graphics::Params const & params);
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/// Is the stored checksum different to that of the graphics loader?
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bool hasFileChanged() const;
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/** Connect and you'll be informed when the loading status of the image
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* changes.
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*/
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typedef boost::signal0<void>::slot_type slot_type;
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boost::signals::connection connect(slot_type const &) const;
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/// equivalent to dynamic_cast
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virtual RenderGraphic * asGraphic() { return this; }
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private:
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/// Not implemented.
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RenderGraphic & operator=(RenderGraphic const &);
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/// The stored data.
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lyx::graphics::Loader loader_;
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lyx::graphics::Params params_;
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/// Cached variable (not copied).
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mutable unsigned long checksum_;
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};
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#endif // NOT RENDER_GRAPHIC_H
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