mirror of
https://git.dev.opencascade.org/repos/occt.git
synced 2025-04-09 18:50:54 +03:00
42cf5bc1ca
Automatic upgrade of OCCT code by command "occt_upgrade . -nocdl": - WOK-generated header files from inc and sources from drv are moved to src - CDL files removed - All packages are converted to nocdlpack
149 lines
4.3 KiB
C++
149 lines
4.3 KiB
C++
// Created on: 1992-03-12
|
|
// Created by: Christophe MARION
|
|
// Copyright (c) 1992-1999 Matra Datavision
|
|
// Copyright (c) 1999-2014 OPEN CASCADE SAS
|
|
//
|
|
// This file is part of Open CASCADE Technology software library.
|
|
//
|
|
// This library is free software; you can redistribute it and/or modify it under
|
|
// the terms of the GNU Lesser General Public License version 2.1 as published
|
|
// by the Free Software Foundation, with special exception defined in the file
|
|
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
|
|
// distribution for complete text of the license and disclaimer of any warranty.
|
|
//
|
|
// Alternatively, this file may be used under the terms of Open CASCADE
|
|
// commercial license or contractual agreement.
|
|
|
|
#ifndef _HLRAlgo_Projector_HeaderFile
|
|
#define _HLRAlgo_Projector_HeaderFile
|
|
|
|
#include <Standard.hxx>
|
|
#include <Standard_DefineAlloc.hxx>
|
|
#include <Standard_Handle.hxx>
|
|
|
|
#include <Standard_Integer.hxx>
|
|
#include <Standard_Boolean.hxx>
|
|
#include <Standard_Real.hxx>
|
|
#include <gp_Trsf.hxx>
|
|
#include <gp_Vec2d.hxx>
|
|
class Standard_NoSuchObject;
|
|
class gp_Ax2;
|
|
class gp_Trsf;
|
|
class gp_Vec2d;
|
|
class gp_Vec;
|
|
class gp_Pnt;
|
|
class gp_Pnt2d;
|
|
class gp_Lin;
|
|
|
|
|
|
//! Implements a projector object.
|
|
//! To transform and project Points and Planes.
|
|
//! This object is designed to be used in the
|
|
//! removal of hidden lines and is returned by the
|
|
//! Prs3d_Projector::Projector function.
|
|
//! You define the projection of the selected shape
|
|
//! by calling one of the following functions:
|
|
//! - HLRBRep_Algo::Projector, or
|
|
//! - HLRBRep_PolyAlgo::Projector
|
|
//! The choice depends on the algorithm, which you are using.
|
|
//! The parameters of the view are defined at the
|
|
//! time of construction of a Prs3d_Projector object.
|
|
class HLRAlgo_Projector
|
|
{
|
|
public:
|
|
|
|
DEFINE_STANDARD_ALLOC
|
|
|
|
|
|
Standard_EXPORT HLRAlgo_Projector();
|
|
|
|
//! Creates an axonometric projector. <CS> is the
|
|
//! viewing coordinate system.
|
|
Standard_EXPORT HLRAlgo_Projector(const gp_Ax2& CS);
|
|
|
|
//! Creates a perspective projector. <CS> is the
|
|
//! viewing coordinate system.
|
|
Standard_EXPORT HLRAlgo_Projector(const gp_Ax2& CS, const Standard_Real Focus);
|
|
|
|
//! build a Projector with automatic minmax directions.
|
|
Standard_EXPORT HLRAlgo_Projector(const gp_Trsf& T, const Standard_Boolean Persp, const Standard_Real Focus);
|
|
|
|
//! build a Projector with given minmax directions.
|
|
Standard_EXPORT HLRAlgo_Projector(const gp_Trsf& T, const Standard_Boolean Persp, const Standard_Real Focus, const gp_Vec2d& v1, const gp_Vec2d& v2, const gp_Vec2d& v3);
|
|
|
|
Standard_EXPORT void Set (const gp_Trsf& T, const Standard_Boolean Persp, const Standard_Real Focus);
|
|
|
|
void Directions (gp_Vec2d& D1, gp_Vec2d& D2, gp_Vec2d& D3) const;
|
|
|
|
//! to compute with the given scale and translation.
|
|
Standard_EXPORT void Scaled (const Standard_Boolean On = Standard_False);
|
|
|
|
//! Returns True if there is a perspective transformation.
|
|
Standard_Boolean Perspective() const;
|
|
|
|
//! Returns the active transformation.
|
|
Standard_EXPORT const gp_Trsf& Transformation() const;
|
|
|
|
//! Returns the active inverted transformation.
|
|
const gp_Trsf& InvertedTransformation() const;
|
|
|
|
//! Returns the original transformation.
|
|
const gp_Trsf& FullTransformation() const;
|
|
|
|
//! Returns the focal length.
|
|
Standard_Real Focus() const;
|
|
|
|
void Transform (gp_Vec& D) const;
|
|
|
|
void Transform (gp_Pnt& Pnt) const;
|
|
|
|
//! Transform and apply perspective if needed.
|
|
Standard_EXPORT void Project (const gp_Pnt& P, gp_Pnt2d& Pout) const;
|
|
|
|
//! Transform and apply perspective if needed.
|
|
Standard_EXPORT void Project (const gp_Pnt& P, Standard_Real& X, Standard_Real& Y, Standard_Real& Z) const;
|
|
|
|
//! Transform and apply perspective if needed.
|
|
Standard_EXPORT void Project (const gp_Pnt& P, const gp_Vec& D1, gp_Pnt2d& Pout, gp_Vec2d& D1out) const;
|
|
|
|
//! return a line going through the eye towards the
|
|
//! 2d point <X,Y>.
|
|
Standard_EXPORT gp_Lin Shoot (const Standard_Real X, const Standard_Real Y) const;
|
|
|
|
|
|
|
|
|
|
protected:
|
|
|
|
|
|
|
|
|
|
|
|
private:
|
|
|
|
|
|
Standard_EXPORT void SetDirection();
|
|
|
|
|
|
Standard_Integer myType;
|
|
Standard_Boolean myPersp;
|
|
Standard_Real myFocus;
|
|
gp_Trsf myScaledTrsf;
|
|
gp_Trsf myTrsf;
|
|
gp_Trsf myInvTrsf;
|
|
gp_Vec2d myD1;
|
|
gp_Vec2d myD2;
|
|
gp_Vec2d myD3;
|
|
|
|
|
|
};
|
|
|
|
|
|
#include <HLRAlgo_Projector.lxx>
|
|
|
|
|
|
|
|
|
|
|
|
#endif // _HLRAlgo_Projector_HeaderFile
|