/usr/include/oce/Visual3d_ViewMapping.hxx is in liboce-visualization-dev 0.9.1-3.
This file is owned by root:root, with mode 0o644.
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// Please do not edit this file; modify original file instead.
// The copyright and license terms as defined for the original file apply to
// this header file considered to be the "object code" form of the original source.
#ifndef _Visual3d_ViewMapping_HeaderFile
#define _Visual3d_ViewMapping_HeaderFile
#ifndef _Standard_HeaderFile
#include <Standard.hxx>
#endif
#ifndef _Standard_Macro_HeaderFile
#include <Standard_Macro.hxx>
#endif
#ifndef _Graphic3d_Vertex_HeaderFile
#include <Graphic3d_Vertex.hxx>
#endif
#ifndef _Visual3d_TypeOfProjection_HeaderFile
#include <Visual3d_TypeOfProjection.hxx>
#endif
#ifndef _Standard_Real_HeaderFile
#include <Standard_Real.hxx>
#endif
#ifndef _Handle_TColStd_HArray2OfReal_HeaderFile
#include <Handle_TColStd_HArray2OfReal.hxx>
#endif
#ifndef _Standard_Boolean_HeaderFile
#include <Standard_Boolean.hxx>
#endif
class TColStd_HArray2OfReal;
class Visual3d_ViewMappingDefinitionError;
class Visual3d_View;
class Graphic3d_Vertex;
//! This class allows the definition of a projection and <br>
//! a system of coordinates called NPC. <br>
//! (Normalized Projection Coordinates). <br>
//! The projection can be parallel or perspective. <br>
//! References: The definitions are Phigs oriented. <br>
//! Keywords: View, Mapping, Window, View Plane, Front Plane, <br>
//! BackPlane, Projection Type, Reset, Projection <br>
//! Summary of 3D View Mapping -- <br>
//! The view mapping transformation defines the -- <br>
//! window-to-viewport mapping of View Reference -- <br>
//! Coordinates (VRC) to Normalized Projection -- <br>
//! Coordinates (NPC). -- <br>
//! CAS.CADE supports two kinds of projection : -- <br>
//! Parallel : -- <br>
//! The Projection Reference Point (PRP) -- <br>
//! determines the direction of projection. -- <br>
//! Perspective : -- <br>
//! The projector lines converge at the -- <br>
//! Projection Reference Point (PRP). -- <br>
//! To define a view mapping transformation you -- <br>
//! must define : -- <br>
//! The Projection Type -- <br>
//! The Projection Reference Point (PRP) -- <br>
//! The Distance from Back Plane (BPD) -- <br>
//! The Distance from Front Plane (FPD) -- <br>
//! The Distance from View Plane (VPD) -- <br>
//! The Window in the View Plane. -- <br>
class Visual3d_ViewMapping {
public:
void* operator new(size_t,void* anAddress)
{
return anAddress;
}
void* operator new(size_t size)
{
return Standard::Allocate(size);
}
void operator delete(void *anAddress)
{
if (anAddress) Standard::Free((Standard_Address&)anAddress);
}
//! Creates a projection. <br>
Standard_EXPORT Visual3d_ViewMapping();
//! Creates a projection. <br>
Standard_EXPORT Visual3d_ViewMapping(const Visual3d_TypeOfProjection AType,const Graphic3d_Vertex& PRP,const Standard_Real BPD,const Standard_Real FPD,const Standard_Real VPD,const Standard_Real WUmin,const Standard_Real WVmin,const Standard_Real WUmax,const Standard_Real WVmax);
//! Modifies the back clipping plane. <br>
//! Category: Methods to modify the class definition <br>
//! Warning: Raises ViewMappingDefinitionError <br>
//! if <PRP> is between the front and back planes. <br>
//! if <PRP> is positioned on the view plane. <br>
//! if the back plane is in front of the front plane. <br>
Standard_EXPORT void SetBackPlaneDistance(const Standard_Real BPD) ;
//! Modifies the front clipping plane. <br>
//! Category: Methods to modify the class definition <br>
//! Warning: Raises ViewMappingDefinitionError <br>
//! if <PRP> is between the front and back planes. <br>
//! if <PRP> is positioned on the view plane. <br>
//! if the back plane is in front of the front plane. <br>
Standard_EXPORT void SetFrontPlaneDistance(const Standard_Real FPD) ;
//! Modifies the type of projection. <br>
Standard_EXPORT void SetProjection(const Visual3d_TypeOfProjection AType) ;
//! Modifies the PRP. <br>
//! Category: Methods to modify the class definition <br>
//! Warning: Raises ViewMappingDefinitionError <br>
//! if <PRP> is between the front and back planes. <br>
//! if <PRP> is positioned on the view plane. <br>
Standard_EXPORT void SetProjectionReferencePoint(const Graphic3d_Vertex& PRP) ;
//! Modifies the distance of the view plane of projection. <br>
//! Category: Methods to modify the class definition <br>
//! Warning: Raises ViewMappingDefinitionError <br>
//! if <PRP> is positioned on the view plane. <br>
Standard_EXPORT void SetViewPlaneDistance(const Standard_Real VPD) ;
//! Modifies the visible part of the projection plane. <br>
//! Category: Methods to modify the class definition <br>
//! Warning: Raises ViewMappingDefinitionError if the <br>
//! specified window is invalid. <br>
Standard_EXPORT void SetWindowLimit(const Standard_Real Umin,const Standard_Real Vmin,const Standard_Real Umax,const Standard_Real Vmax) ;
//! Sets custom PROJECTION matrix for the OpenGl context <br>
Standard_EXPORT void SetCustomProjectionMatrix(const Handle(TColStd_HArray2OfReal)& Mat) ;
//! Returns the distance from the back clipping plane <br>
//! of this view mapping. <br>
Standard_EXPORT Standard_Real BackPlaneDistance() const;
//! Returns the distance from the front clipping plane <br>
//! of this view mapping. <br>
Standard_EXPORT Standard_Real FrontPlaneDistance() const;
//! Returns the type of projection. <br>
Standard_EXPORT Visual3d_TypeOfProjection Projection() const;
//! Returns the PRP. <br>
Standard_EXPORT Graphic3d_Vertex ProjectionReferencePoint() const;
//! Returns the distance from the projection plane. <br>
Standard_EXPORT Standard_Real ViewPlaneDistance() const;
//! Returns the visible part of the projection plane. <br>
Standard_EXPORT void WindowLimit(Standard_Real& Umin,Standard_Real& Vmin,Standard_Real& Umax,Standard_Real& Vmax) const;
//! Returns whether the custom PROJECTION matrix is used. <br>
Standard_EXPORT Standard_Boolean IsCustomMatrix() const;
friend class Visual3d_View;
protected:
private:
//! Copies the content of <Other> into <me>. <br>
Standard_EXPORT void Assign(const Visual3d_ViewMapping& Other) ;
Graphic3d_Vertex MyReferencePoint;
Visual3d_TypeOfProjection MyProjectionType;
Standard_Real MyBackPlaneDistance;
Standard_Real MyFrontPlaneDistance;
Standard_Real MyViewPlaneDistance;
Standard_Real MyWindowLimits[4];
Handle_TColStd_HArray2OfReal MyProjectionMatrix;
};
// other Inline functions and methods (like "C++: function call" methods)
#endif
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