include/artisan/gviewport/BasicViewport.h

   1 /** Aesalon, a tool to visualize program behaviour in real time.
   2         Copyright (C) 2009-2011, Aesalon development team.
   3
   4         Aesalon is distributed under the terms of the GNU GPLv3. See
   5         the included file LICENSE for more information.
   6
   7         @file include/artisan/gviewport/BasicViewport.h
   8 */
   9
  10 #ifndef AesalonArtisan_GViewport_BasicViewport_H
  11 #define AesalonArtisan_GViewport_BasicViewport_H
  12
  13 #include "artisan/Viewport.h"
  14
  15 #include "Object.h"
  16 #include "Data.h"
  17 #include "RenderedImage.h"
  18
  19 namespace Artisan {
  20 namespace GViewport {
  21
  22 class Renderer;
  23
  24 class BasicViewport : public Viewport { Q_OBJECT
  25 private:
  26         Data *m_data;
  27         RenderedImage m_image;
  28
  29         Rect m_rangeLimit;
  30         QPoint m_lastPoint;
  31 public:
  32         BasicViewport(Data *data);
  33         virtual ~BasicViewport();
  34
  35         Data *data() const { return m_data; }
  36
  37         Rect rangeLimit() const { return m_rangeLimit; }
  38         void limitRange(const Rect &newLimit) { m_rangeLimit = newLimit; }
  39 public slots:
  40         void acceptRenderedImage(RenderedImage *image);
  41         void translate(const Point &by);
  42         void setViewport(const Rect &range);
  43         void updateRange(const Rect &range);
  44 protected:
  45         virtual void resizeEvent(QResizeEvent *event);
  46         virtual void paintEvent(QPaintEvent *event);
  47         virtual void mouseMoveEvent(QMouseEvent *event);
  48         virtual void mousePressEvent(QMouseEvent *event);
  49         virtual void wheelEvent(QWheelEvent *event);
  50 private:
  51         void enqueue(const Rect &range);
  52 };
  53
  54 } // namespace GViewport
  55 } // namespace Artisan
  56
  57 #endif