include/tmqt/tmWatermark.h

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/*********************************************************************
** Copyright (c) 2006 MAK Technologies, Inc.
** All rights reserved.
*********************************************************************/
/*********************************************************************
** $RCSfile: tmWatermark.h,v $ $Revision: 1.3 $ $State: Exp $
*********************************************************************/


#ifndef TMWWATERMARK_H_
#define TMWWATERMARK_H_

#include <QtCore/QObject>
#include <QtGui/QPixmap>
#include <QtGui/QPaintEvent>

class DtTMMapArea;

#include "tmqt/tmqtDefines.h"
class DT_DLL_tmqt DtTMWatermark : public QObject
{
   Q_OBJECT

public:
   DtTMWatermark(DtTMMapArea * area = 0);
   virtual ~DtTMWatermark();

   virtual bool init(const QString& image, int position, const QPoint& originOverride, double scaleFactor);

   virtual void setPosition(int);
   int position() const;

   virtual bool setImage(const QString& image);
   const QString& image() const;

   virtual void setOriginOverride(const QPoint&);
   const QPoint& originOverride() const;

   virtual void setScaleFactor(double);
   double scaleFactor() const;

   bool visible() const;

protected:
   void   paintEvent(QPaintEvent* event);

   virtual QPoint origin() const;

public slots:
   void setVisible(bool);

protected slots:
   virtual void drawWatermark(QPainter*);

signals:
   void visibilityChanged();

protected:
   QString  myWatermark;
   QPixmap  myWatermarkImage;
   int      myPosition;
   QPoint   myOriginOverride;
   double   myScaleFactor;
   bool     myVisible;
};

inline const QPoint& DtTMWatermark::originOverride() const
{
   return myOriginOverride;
}

inline double DtTMWatermark::scaleFactor() const
{
   return myScaleFactor;
}

inline int DtTMWatermark::position() const
{
   return myPosition;
}

inline const QString& DtTMWatermark::image() const
{
   return myWatermark;
}

inline void DtTMWatermark::setVisible(bool b)
{
   if (b != myVisible)
   {
      myVisible = b;
      emit visibilityChanged();
   }
}

inline bool DtTMWatermark::visible() const
{
   return myVisible;
}

#endif