4 * This file is part of LyX, the document processor.
5 * Licence details can be found in the file COPYING.
7 * \author Angus Leeming
9 * Full author contact details are available in file CREDITS
12 #ifndef PREVIEWIMAGE_H
13 #define PREVIEWIMAGE_H
20 #include <boost/scoped_ptr.hpp>
32 /** ascent = height * ascent_frac
33 * descent = height * (1 - ascent_frac)
35 PreviewImage(PreviewLoader & parent,
36 string const & latex_snippet,
37 string const & bitmap_file,
43 string const & snippet() const;
51 /** If the image is not yet loaded (WaitingToLoad), then this method
53 * inset and bv are passed so we can choose to load only
54 * those insets that are visible.
56 Image const * image(Inset const & inset, BufferView const & bv) const;
59 /// Use the Pimpl idiom to hide the internals.
61 /// The pointer never changes although *pimpl_'s contents may.
62 boost::scoped_ptr<Impl> const pimpl_;
67 #endif // PREVIEWIMAGE_H