lyx_mirror/src/frontends/qt4/GuiImage.h
André Pönitz c9ea6e6eef the fun begins....
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@20077 a592a061-630c-0410-9148-cb99ea01b6c8
2007-09-05 20:33:29 +00:00

85 lines
2.1 KiB
C++

// -*- C++ -*-
/**
* \file GuiImage.h
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author Angus Leeming
* \author John Levon
*
* Full author contact details are available in file CREDITS.
*/
#ifndef GUIIMAGE_H
#define GUIIMAGE_H
#include "graphics/GraphicsImage.h"
#include <QImage>
#include <QPixmap>
namespace lyx {
namespace graphics {
class GuiImage : public Image
{
public:
/// Access to this class is through this static method.
static ImagePtr newImage();
/// Return the list of loadable formats.
static FormatList loadableFormats();
/// Retrieve the buffered pixmap.
QPixmap const & qpixmap() const { return transformed_pixmap_; }
/// Retrieve the buffered pixmap.
QImage const & qimage() const { return transformed_; }
private:
/// Create a copy
virtual Image * clone_impl() const;
/// Get the image width
virtual unsigned int getWidth_impl() const;
/// Get the image height
virtual unsigned int getHeight_impl() const;
// FIXME Is the image drawable ?
virtual bool isDrawable_impl() const { return true; }
/**
* Load the image file into memory.
* The process is asynchronous, so this method starts the loading.
* When finished, the Image::finishedLoading signal is emitted.
*/
virtual void load_impl(support::FileName const & filename);
/**
* Finishes the process of modifying transformed_, using
* \c params to decide on color, grayscale etc.
* \returns true if successful.
*/
virtual bool setPixmap_impl(Params const & params);
/// Clip the image using params.
virtual void clip_impl(Params const & params);
/// Rotate the image using params.
virtual void rotate_impl(Params const & params);
/// Scale the image using params.
virtual void scale_impl(Params const & params);
/// Access to the class is through newImage() and clone.
GuiImage() {}
///
GuiImage(GuiImage const &);
/// The original loaded image.
QImage original_;
/// The transformed image for display.
QImage transformed_;
/// Buffer the pixmap itself
QPixmap transformed_pixmap_;
};
} // namespace graphics
} // namespace lyx
#endif // GUIIMAGE_H