include/symbology/ttsSymbol.h

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/*********************************************************************
** Copyright (c) 2001 MAK Technologies, Inc.
** All rights reserved.
*********************************************************************/
/*********************************************************************
** $RCSfile: ttsSymbol.h,v $ $Revision: 1.30 $ $State: Exp $
*********************************************************************/


#ifndef DtTTSSymbol_H_
#define DtTTSSymbol_H_

class DtTTSDrawer;
class DtNullDrawer;
class DtTTSScaleToSize;
class QFont;

#include "symbology/colorizedSymbol.h"

#include <QtGui/QColor>

class QString;



const int TTS_FONT_BOLD       = 0x00000001;
const int TTS_FONT_ITALIC     = 0x00000002;
const int TTS_FONT_UNDERLINE  = 0x00000004;
const int TTS_FONT_STRIKEOUT  = 0x00000008;

#include "symbology/symbologyDefines.h"
class DT_DLL_symbology DtTTSSymbol : public DtColorizedSymbol
{
public:

   DtTTSSymbol( DtSymbolDrawer & drawer, 
                const QString & string = QString(), 
                const QString & altString = QString() );
   DtTTSSymbol( DtNullDrawer & drawer, 
                const QString & string = QString(), 
                const QString & altString = QString() );
   DtTTSSymbol( const DtTTSSymbol& orig );
   DtTTSSymbol& operator=( const DtTTSSymbol& orig );
   virtual ~DtTTSSymbol();
   virtual DtSymbol * clone()const;

   enum DtRotationOption 
   {  
      DtOrigin = 0, 
      DtBottomLeft, 
      DtCustom 
   };


   virtual const QString &    string() const;
   virtual void               setString(const QString & string);

   virtual const QString &    altString() const;
   virtual void               setAltString( const QString & name );

   virtual void               setUseAltString( bool value );
   virtual bool               useAltString() const;

   virtual Qt::PenStyle       penStyle() const;
   virtual void               setPenStyle(const Qt::PenStyle style);

   virtual const QColor &     penColor() const;
   virtual void               setPenColor( const QColor & color );

   virtual unsigned           pointSize() const;
   virtual void               setScale(const unsigned scale);
   virtual void               setPointSize(const unsigned ptSize);

   virtual void               setScaleToSize( DtTTSScaleToSize* scale );
   virtual DtTTSScaleToSize*  scaleToSize() const;

   virtual void               setDegreesRotated(double);
   virtual double             degreesRotated() const;

   virtual void               setRotationOption(DtRotationOption);
   virtual DtRotationOption   rotationOption() const;

   virtual void               setRotationPointOffset(const QPoint&);

   virtual const QPoint       rotationCenter() const;

   virtual const QFont* font() const;
   virtual void setFont(const QFont& font);

   virtual void setFontname(const QString& name);
   virtual const QString& fontname() const;

   virtual void setConstrainToSize(const QSize& size);
   virtual void clearConstrainToSize();

   virtual bool constrainToSize() const;
   virtual const QSize& constrainedSize() const;

   virtual bool isScalable() const;

   bool operator==(const DtTTSSymbol& orig) const;
   bool operator!=(const DtTTSSymbol& orig) const;

   virtual bool transparentCacheChanged() const;

   virtual void setShadowText(bool);
   virtual bool shadowText() const;

   virtual void setFontScalingFactor(double scale);
   virtual double fontScalingFactor() const;

   static void setDefaultPenColor(const QColor& c);
   static const QColor& defaultPenColor();
   virtual const QString& bitmapSymbolCacheKey() const;
   virtual void setHighlight(const bool highlight);

protected:
   virtual QString internalBitmapSymbolCacheKey() const;

private:
   DtTTSSymbol();

protected: 
   QString                    myString;
   QString                    myAltString;
   bool                       myUseAltString;

   Qt::PenStyle               myPenStyle;

   unsigned                   myPointSize;
   DtTTSScaleToSize*          myScaleToSize; 

   double                     myDegreesRotated;
   QPoint                     myRotationPointOffset;
   DtRotationOption           myRotationOption;
   QString                    myFontname;

   QFont                      *myFont;

   bool                       myConstrainToSize;
   QSize                      myConstrainedSize;

   bool                       myShadowText;
   double                     myFontScalingFactor;

   static QColor              gDefaultPenColor;
   mutable bool               myRecreateSymbolCacheKey;
};

#endif