mi32/stipplemask.h

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#ifndef  INC_MI32_STIPPLEMASK_H
#define  INC_MI32_STIPPLEMASK_H

#ifndef  INC_MI32_STDDEFNS_H
#include <mi32/stddefns.h>
#endif


class STIPPLEMASK {
   public:

      STIPPLEMASK (
         ) : m_Data(0), m_SizeX(0), m_SizeY(0) { }

      STIPPLEMASK (const STIPPLEMASK& rhs);

      ~STIPPLEMASK ()
         { delete [] m_Data; }

      STIPPLEMASK& operator= (const STIPPLEMASK& rhs);

      void Clear ();

      const bool* GetData () const
         { return (m_Data); }

      const bool* GetDataY (
         INT32 y
         ) const {
         return (m_Data + (y % m_SizeY) * m_SizeX);
         }

      UINT16 GetSizeX () const
         { return (m_SizeX); }

      UINT16 GetSizeY () const
         { return (m_SizeY); }

      bool IsDefined () const
         { return (m_Data != 0); }

      void Set (
         UINT16 sizeX,           
         UINT16 sizeY,           
         const bool *mask        
         );

      void Set (
         UINT16 sizeX,           
         UINT16 sizeY,           
         const UINT8 *mask       
         );

      bool TestPoint (
         INT32 x,                
         INT32 y                 
         ) const { return (m_Data[(y % m_SizeY) * m_SizeX + (x % m_SizeX)]); }

   private:
      #ifndef GENERATING_DOXYGEN_OUTPUT
      bool *m_Data;
      UINT16 m_SizeX;
      UINT16 m_SizeY;
      #endif
   };

#endif   // INC_MI32_STIPPLEMASK_H

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