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814b819451
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@5447 a592a061-630c-0410-9148-cb99ea01b6c8
89 lines
1.9 KiB
C++
89 lines
1.9 KiB
C++
// -*- C++ -*-
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/**
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* \file QLImage.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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* \author John Levon
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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 QLIMAGE_H
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#define QLIMAGE_H
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#ifdef __GNUG__
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#pragma interface
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#endif
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#include "graphics/GraphicsImage.h"
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#include <qpixmap.h>
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namespace grfx {
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class QLImage : public Image {
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public:
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/// Access to this class is through this static method.
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static ImagePtr newImage();
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/// Return the list of loadable formats.
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static FormatList loadableFormats();
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~QLImage();
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/// Create a copy
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virtual Image * clone() const;
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QPixmap const & qpixmap() const { return xformed_pixmap_; }
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/// Get the image width
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virtual unsigned int getWidth() const;
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/// Get the image height
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virtual unsigned int getHeight() const;
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// FIXME
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virtual bool isDrawable() const { return true; }
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/**
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* Load the image file into memory.
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* The process is asynchronous, so this method starts the loading.
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* When finished, the Image::finishedLoading signal is emitted.
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*/
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virtual void load(string const & filename);
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/**
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* Generate the pixmap, based on the current state of
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* image_ (clipped, rotated, scaled etc).
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* Uses the params to decide on color, grayscale etc.
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* Returns true if the pixmap is created.
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*/
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virtual bool setPixmap(Params const & params);
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/// Clip the image using params.
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virtual void clip(Params const & params);
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/// Rotate the image using params.
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virtual void rotate(Params const & params);
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/// Scale the image using params.
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virtual void scale(Params const & params);
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private:
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/// Access to the class is through newImage() and clone.
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QLImage();
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///
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QLImage(QLImage const &);
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/// the original loaded image
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QPixmap pixmap_;
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/// the transformed pixmap for display
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QPixmap xformed_pixmap_;
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};
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} // namespace grfx
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#endif // QLIMAGE_H
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