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 * This file is a part of QComicBook.
 * Copyright (C) 2005-2006 Pawel Stolowski <yogin@linux.bydg.org>
 * QComicBook is free software; you can redestribute it and/or modify it
 * under terms of GNU General Public License by Free Software Foundation.
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY. See GPL for more details.

#ifndef __IMGVIEW_H
#define __IMGVIEW_H

#include <qscrollview.h>

class QPopupMenu;
class QImage;
class QPixmap;
class QColor;
class QCursor;

namespace QComicBook
      enum Size { Original, FitWidth, FitHeight, WholePage, BestFit };
      //enum Scaling { Smooth, Fast };
      enum Rotation { None, Left, Right };

      class ImlibImage;

      class ComicImageView: public QScrollView

                  QPopupMenu *context_menu;
                  ImlibImage *orgimage[2];
                  Size isize;
                  //Scaling iscaling;
                  int iangle; //rotation angle, 0..3, multipled by 90
                  int spdx, spdy; //scroll speed
                  int xoff, yoff;
                  int lx, ly; //last mouse position when tracking mouse moves
                  int wheelupcnt, wheeldowncnt;
                  QCursor *smallcursor;
                  static const int EXTRA_WHEEL_SPIN; //number of extra wheel spins to flip the page

                  // test - na potrzeby imlib
                  double asp;
                  double w_asp;
                  double h_asp;

                  void bottomReached();
                  void topReached();
                  void doubleClick();

                  void resizeEvent(QResizeEvent *e);
                  void updateImageSize();
                  virtual void contentsContextMenuEvent(QContextMenuEvent *e);
                  virtual void contentsWheelEvent(QWheelEvent *e);
                  virtual void contentsMouseMoveEvent(QMouseEvent *e);
                  virtual void contentsMousePressEvent(QMouseEvent *e);
                  virtual void contentsMouseDoubleClickEvent(QMouseEvent *e);
                  virtual void contentsMouseReleaseEvent(QMouseEvent *e);
                  virtual void drawContents(QPainter *p, int clipx, int clipy, int clipw, int cliph);

            public slots:
                  void setImage(ImlibImage *img, bool preserveangle=false);
                  void setImage(ImlibImage *img1, ImlibImage *img2, bool preserveangle=false);
                  //void setScaling(Scaling s);
                  void setRotation(Rotation r);
                  void setSize(Size s);
                  void setSizeOriginal();
                  void setSizeFitWidth();
                  void setSizeFitHeight();
                  void setSizeWholePage();
                  void setSizeBestFit();
                  void scrollToTop();
                  void scrollToBottom();
                  void scrollRight();
                  void scrollLeft();
                  void scrollRightFast();
                  void scrollLeftFast();
                  void scrollUp();
                  void scrollDown();
                  void scrollUpFast();
                  void scrollDownFast();
                  void rotateRight();
                  void rotateLeft();
                  void resetRotation();
                  void jumpUp();
                  void jumpDown();
                  void clear();
                  void enableScrollbars(bool f);
                  void setBackground(const QColor &color);
                  void setSmallCursor(bool f);

                  ComicImageView(QWidget *parent, Size size=Original, const QColor &color=Qt::black);
                  bool onBottom();
                  bool onTop();
                  QPopupMenu *contextMenu() const;
                  Size getSize() const;
                  int imageWidth() const;


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