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// File: NIS_SurfaceDrawer.h
// Created: 20.03.08 09:05
// Author: Alexander GRIGORIEV
// Copyright: Open Cascade S.A. 2008
#ifndef NIS_SurfaceDrawer_HeaderFile
#define NIS_SurfaceDrawer_HeaderFile
#include <NIS_Drawer.hxx>
#include <gp_Trsf.hxx>
#include <Quantity_Color.hxx>
class NIS_Surface;
/**
* Drawer for interactive object type NIS_Surface.
*/
class NIS_SurfaceDrawer : public NIS_Drawer
{
public:
// ---------- PUBLIC METHODS ----------
/**
* Constructor.
*/
Standard_EXPORT NIS_SurfaceDrawer(const Quantity_Color &theNormal,
const Quantity_Color &theHilight
= Quantity_NOC_GRAY65,
const Quantity_Color &theDynHilight
= Quantity_NOC_CYAN1);
/**
* Sets the color of the drawer.
*/
Standard_EXPORT void SetColor (const Quantity_Color &theColor);
/**
* Define the color used for the back side of rendered triangles.
* By default this color is the same as the 'Normal' color.
*/
inline void SetBackColor (const Quantity_Color& theColor)
{
myBackColor = theColor;
}
/**
* Sets the transformation to the drawer.
*/
inline void SetTransformation (const gp_Trsf &theTrsf)
{
myTrsf = theTrsf;
}
/**
* Returns the transformation to the drawer.
*/
inline const gp_Trsf& GetTransformation () const
{
return myTrsf;
}
/**
* Sets the surface offset
*/
inline void SetPolygonOffset (const Standard_Real theOffset)
{
myPolygonOffset = static_cast<Standard_ShortReal>(theOffset);
}
/**
* Get the surface offset.
*/
inline Standard_Real GetPolygonOffset () const
{
return static_cast<Standard_Real>(myPolygonOffset);
}
/**
* Copy the relevant information from another instance of Drawer.
* raises exception if theOther has incompatible type (test IsKind).
*/
Standard_EXPORT virtual void Assign (const Handle_NIS_Drawer& theOther);
/**
* Called before execution of Draw(), once per group of interactive objects.
*/
Standard_EXPORT virtual void BeforeDraw(const DrawType theType,
const NIS_DrawList& theDrawList);
/**
* Called after execution of Draw(), once per group of interactive objects.
*/
Standard_EXPORT virtual void AfterDraw(const DrawType theType,
const NIS_DrawList& theDrawList);
/**
* Main function: display the given interactive object in the given view.
*/
Standard_EXPORT virtual void Draw (const Handle_NIS_InteractiveObject&,
const DrawType theType,
const NIS_DrawList& theDrawList);
/**
* Matching two instances, for Map interface.
*/
Standard_EXPORT virtual Standard_Boolean
IsEqual (const Handle_NIS_Drawer& theOth)const;
protected:
Standard_EXPORT virtual void redraw (const DrawType theType,
const Handle_NIS_View& theView);
private:
Quantity_Color myColor[5];
Quantity_Color myBackColor;
gp_Trsf myTrsf;
Standard_ShortReal myPolygonOffset;
Standard_Boolean myIsWireframe;
friend class NIS_Surface;
public:
// Declaration of CASCADE RTTI
DEFINE_STANDARD_RTTI (NIS_SurfaceDrawer)
};
// Definition of HANDLE object using Standard_DefineHandle.hxx
DEFINE_STANDARD_HANDLE (NIS_SurfaceDrawer, NIS_Drawer)
#endif
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