src/frontends/qt4/GuiImage.h

   1 // -*- C++ -*-
   2 /**
   3  * \file GuiImage.h
   4  * This file is part of LyX, the document processor.
   5  * Licence details can be found in the file COPYING.
   6  *
   7  * \author Angus Leeming
   8  * \author John Levon
   9  *
  10  * Full author contact details are available in file CREDITS.
  11  */
  12
  13 #ifndef GUIIMAGE_H
  14 #define GUIIMAGE_H
  15
  16 #include "graphics/GraphicsImage.h"
  17
  18 #include <QImage>
  19 #include <QString>
  20
  21 namespace lyx {
  22 namespace graphics {
  23
  24 class GuiImage : public Image
  25 {
  26 public:
  27         /// Access to the class is through newImage() and clone.
  28         GuiImage();
  29         ///
  30         GuiImage(GuiImage const &);
  31
  32         /// Retrieve the rendered image.
  33         QImage const & image() const;
  34
  35 private:
  36         /// Create a copy
  37         Image * clone() const;
  38         /// Get the image width
  39         unsigned int width() const;
  40         /// Get the image height
  41         unsigned int height() const;
  42         // FIXME Is the image drawable ?
  43         bool isDrawable() const { return true; }
  44         /**
  45          * Load the image file into memory.
  46          */
  47         bool load(support::FileName const & filename);
  48         bool load();
  49         /**
  50          * Finishes the process of modifying transformed_, using
  51          * \c params to decide on color, grayscale etc.
  52          * \returns true if successful.
  53          */
  54         bool setPixmap(Params const & params);
  55
  56         /// Clip the image using params.
  57         bool clip(Params const & params);
  58         /// Rotate the image using params.
  59         bool rotate(Params const & params);
  60         /// Scale the image using params.
  61         bool scale(Params const & params);
  62
  63         /// The original loaded image.
  64         QImage original_;
  65
  66         /// The transformed image for display.
  67         QImage transformed_;
  68
  69         ///
  70         bool is_transformed_;
  71         ///
  72         QString fname_;
  73 };
  74
  75 } // namespace graphics
  76 } // namespace lyx
  77
  78 #endif // GUIIMAGE_H