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
16 #include <boost/scoped_ptr.hpp>
28 /** ascent = height * ascent_frac
29 * descent = height * (1 - ascent_frac)
31 PreviewImage(PreviewLoader & parent,
32 string const & latex_snippet,
33 string const & bitmap_file,
39 string const & snippet() const;
47 /** If the image is not yet loaded (WaitingToLoad), then this method
50 Image const * image() const;
53 /// Use the Pimpl idiom to hide the internals.
55 /// The pointer never changes although *pimpl_'s contents may.
56 boost::scoped_ptr<Impl> const pimpl_;
59 } // namespace graphics
62 #endif // PREVIEWIMAGE_H