lyx_mirror/src/graphics/PreviewImage.h
André Pönitz b89d0e2eb7 simplification
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@21752 a592a061-630c-0410-9148-cb99ea01b6c8
2007-11-23 22:57:11 +00:00

61 lines
1.1 KiB
C++

// -*- C++ -*-
/**
* \file PreviewImage.h
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author Angus Leeming
*
* Full author contact details are available in file CREDITS.
*/
#ifndef PREVIEWIMAGE_H
#define PREVIEWIMAGE_H
#include "support/strfwd.h"
namespace lyx {
namespace support { class FileName; }
class Dimension;
namespace graphics {
class PreviewLoader;
class Image;
class PreviewImage {
public:
/** ascent = height * ascent_frac
* descent = height * (1 - ascent_frac)
*/
PreviewImage(PreviewLoader & parent,
std::string const & latex_snippet,
support::FileName const & bitmap_file,
double ascent_frac);
///
~PreviewImage();
///
std::string const & snippet() const;
///
Dimension dim() const;
/** If the image is not yet loaded (WaitingToLoad), then this method
* triggers that.
*/
Image const * image() const;
private:
/// Use the Pimpl idiom to hide the internals.
class Impl;
/// The pointer never changes although *pimpl_'s contents may.
Impl * const pimpl_;
};
} // namespace graphics
} // namespace lyx
#endif // PREVIEWIMAGE_H