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65 lines
1.2 KiB
C++
65 lines
1.2 KiB
C++
// -*- C++ -*-
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/**
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* \file PreviewImage.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 PREVIEWIMAGE_H
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#define PREVIEWIMAGE_H
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#include "support/strfwd.h"
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namespace lyx {
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namespace support { class FileName; }
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class Dimension;
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namespace graphics {
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class PreviewLoader;
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class Image;
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class PreviewImage {
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public:
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/** ascent = height * ascent_frac
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* descent = height * (1 - ascent_frac)
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*/
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PreviewImage(PreviewLoader & parent,
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std::string const & latex_snippet,
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support::FileName const & bitmap_file,
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double ascent_frac);
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///
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~PreviewImage();
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///
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std::string const & snippet() const;
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///
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Dimension dim() const;
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/** If the image is not yet loaded (WaitingToLoad), then this method
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* triggers that.
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*/
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Image const * image() const;
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///
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support::FileName const & filename() const;
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PreviewLoader & previewLoader() const;
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private:
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/// Use the Pimpl idiom to hide the internals.
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class Impl;
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/// The pointer never changes although *pimpl_'s contents may.
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Impl * const pimpl_;
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};
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} // namespace graphics
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} // namespace lyx
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#endif // PREVIEWIMAGE_H
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