lrformula.h

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/**
 * \file lrformula.h <gre/lrformula.h>
 * \brief GRE_LAYER_FORMULA definitions
 *
 * \if NODOC
 * $Id: lrformula.h_v 1.2 2005/02/28 18:11:37 scowan Exp $
 *
 * $Log: lrformula.h_v $
 * Revision 1.2  2005/02/28 18:11:37  scowan
 * Support layer copy virtual method.
 *
 * Revision 1.1  2005/01/20 16:56:25  mju
 * Initial revision
 *
 * \endif
**/

#ifndef  INC_GRE_LRFORMULA_H
#define  INC_GRE_LRFORMULA_H

#ifndef INC_GRE_LAYER_H
#include <gre/layer.h>
#endif

#ifndef INC_MI32_GEOFRMLA_H
   #include <mi32/geofrmla.h>
#endif

//===================================================================================================================

class GRE_LAYER_FORMULA : public GRE_LAYER {
   public:

      // GRE_LAYER_FORMULA::DISPPARM
      class DISPPARM : public GRE_LAYER::DISPPARM {
         public:

            class DLG;

            GEOFORMULA Formula;
            CONTPARM contparmgray;     //!< Contrast parameters for grayscale
            CBPARMS ColorBalance;      //!< For adjusting color

            DISPPARM ();
            DISPPARM (
               const DISPPARM& rhs
               ): GRE_LAYER::DISPPARM(rhs) { Copy(rhs); }
            virtual ~DISPPARM (
               ) { Free(); }

            //! Assignment.
            DISPPARM& operator= (
               const DISPPARM& rhs
               ) { if (this != &rhs) { Free(); Copy(rhs); } return (*this); }

         protected:
            virtual const SERIALIZER::ITEMDEF* SerialGetItemDef (SERIALIZER& serializer) const;

         private:
            #ifndef GENERATING_DOXYGEN_OUTPUT
            static ERRVALUE SerializerCB_Formula (SERIALIZER&, const SERIALIZER::ITEMDEF*, void*, SERIALIZER::ITEMDEF::ACTION);
            void CloseObject ();
            void Copy (const DISPPARM&);
            void Free ();
            #endif // GENERATING_DOXYGEN_OUTPUT
         }; // End of GRE_LAYER_FORMULA::DISPPARM

      //! Register this layer type
      static void RegisterType (
         );

      //! Construct layer and insert into list
      explicit GRE_LAYER_FORMULA (
         GRE_GROUP *group,                            //!< Group to contain layer
         CREATEFLAGS createflags = CREATEFLAG_None,   //!< Creation flags
         GRE::LISTPOS listpos = GRE::LISTPOS_Last,    //!< Position in list
         GRE_LAYER *reflayer = 0                      //!< Reference layer for insertion
         );

      virtual ~GRE_LAYER_FORMULA ();

      //! Retrieve layer-specific display parameters.
      const DISPPARM& GetDispParm (
         ) const { return (m_dispparm); }

      //! Set layer-specific display parameters.
      //! This is the recommended method for changing how an existing layer is to be
      //! rendered.  Validation will be performed on the specified parameters and
      //! adjustments made to the layer's copy if necessary.  Use of this method
      //! usually result in a ChangeBegin / ChangeEnd message pair, and will also
      //! generate a ChangeObject message if the spatial object used in the layer
      //! is changed.
      ERRVALUE SetDispParm (
         const DISPPARM& dispparm               //!< Parameters to set
         );

   protected:

      DISPPARM m_dispparm;                      //!< Layer-specific display parameters

   private:
      #ifndef GENERATING_DOXYGEN_OUTPUT

      ERRVALUE Draw2D (GRE_LAYERDC& layerdc);
      ERRVALUE Draw3D (GRE_LAYERDC& layerdc);

      //! Overrides from GRE_LAYER.
   #if defined(X_NATIVE) || defined(WIN32_MFC)
      virtual int v_ControlPanel (MDLGPARENT dlgparent,UINT32 flags = 0);
   #endif
      virtual GRE_LAYER* v_Copy (GRE_GROUP *group) const;
      virtual ERRVALUE v_Draw (GRE_LAYERDC& layerdc);
      virtual bool v_HasNullImageCells () const;
      virtual const char* v_SerialGetTagName () const;
      virtual void v_SetDftName (bool ReplaceExisting);
      virtual ERRVALUE v_TemplateRead (SERIALIZER& serializer);
      virtual int v_UpdateExtents (bool forceupdate);

      GRE_LAYER_FORMULA (const GRE_LAYER_FORMULA&);
      GRE_LAYER_FORMULA& operator= (const GRE_LAYER_FORMULA&);

      #endif // GENERATING_DOXYGEN_OUTPUT
   };


//===================================================================================================================

#endif   // INC_GRE_LRFORMULA_H

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