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86 lines
2.1 KiB
C
86 lines
2.1 KiB
C
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// -*- 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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#include "graphics/GraphicsImage.h"
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#include <qimage.h>
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//Added by qt3to4:
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#include <QPixmap>
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namespace lyx {
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namespace graphics {
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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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/// Retrieve the buffered pixmap.
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QPixmap const & qpixmap() const { return transformed_pixmap_; }
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/// Retrieve the buffered pixmap.
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QImage const & qimage() const { return transformed_; }
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private:
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/// Create a copy
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virtual Image * clone_impl() const;
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/// Get the image width
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virtual unsigned int getWidth_impl() const;
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/// Get the image height
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virtual unsigned int getHeight_impl() const;
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// FIXME Is the image drawable ?
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virtual bool isDrawable_impl() 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_impl(std::string const & filename);
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/**
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* Finishes the process of modifying transformed_, using
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* \c params to decide on color, grayscale etc.
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* \returns true if successful.
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*/
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virtual bool setPixmap_impl(Params const & params);
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/// Clip the image using params.
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virtual void clip_impl(Params const & params);
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/// Rotate the image using params.
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virtual void rotate_impl(Params const & params);
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/// Scale the image using params.
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virtual void scale_impl(Params const & params);
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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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QImage original_;
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/// The transformed image for display.
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QImage transformed_;
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/// Buffer the pixmap itself
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QPixmap transformed_pixmap_;
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};
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} // namespace graphics
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} // namespace lyx
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#endif // QLIMAGE_H
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