mirror of
https://git.dev.opencascade.org/repos/occt.git
synced 2025-04-05 18:16:23 +03:00
1f7f5a900f
PrsMgr_PresentableObject, Graphic3d_Structure now consistently take and store Handle(Geom_Transformation) instead of TColStd_Array2OfReal / Graphic3d_Mat4. Low-level advanced methods have been modified to pass Handle(Geom_Transformation). High-level methods have been preserved accepting old syntax taking gp_Trsf. Geom_Transformation now inlines most methods.
95 lines
2.5 KiB
C++
95 lines
2.5 KiB
C++
// Created on: 2014-09-30
|
|
// Created by: Denis BOGOLEPOV
|
|
// Copyright (c) 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 _OpenGl_MatrixState_H__
|
|
#define _OpenGl_MatrixState_H__
|
|
|
|
#include <OpenGl_Vec.hxx>
|
|
#include <NCollection_Vector.hxx>
|
|
|
|
//! Software implementation for OpenGL matrix stack.
|
|
template<class T>
|
|
class OpenGl_MatrixState
|
|
{
|
|
public:
|
|
|
|
//! Constructs matrix state object.
|
|
OpenGl_MatrixState()
|
|
: myStack (8),
|
|
myStackHead (-1)
|
|
{
|
|
//
|
|
}
|
|
|
|
//! Pushes current matrix into stack.
|
|
void Push()
|
|
{
|
|
if (++myStackHead >= myStack.Size())
|
|
{
|
|
myStack.Append (myCurrent);
|
|
}
|
|
else
|
|
{
|
|
myStack.SetValue (myStackHead, myCurrent);
|
|
}
|
|
}
|
|
|
|
//! Pops matrix from stack to current.
|
|
void Pop()
|
|
{
|
|
Standard_ASSERT_RETURN (myStackHead != -1, "Matrix stack already empty when MatrixState.Pop() called.", );
|
|
myCurrent = myStack.Value (myStackHead--);
|
|
}
|
|
|
|
//! @return current matrix.
|
|
const typename OpenGl::MatrixType<T>::Mat4& Current()
|
|
{
|
|
return myCurrent;
|
|
}
|
|
|
|
//! Sets given matrix as current.
|
|
void SetCurrent (const typename OpenGl::MatrixType<T>::Mat4& theNewCurrent)
|
|
{
|
|
myCurrent = theNewCurrent;
|
|
}
|
|
|
|
//! Change current matrix.
|
|
typename OpenGl::MatrixType<T>::Mat4& ChangeCurrent()
|
|
{
|
|
return myCurrent;
|
|
}
|
|
|
|
//! Sets given matrix as current.
|
|
template <typename Other_t>
|
|
void SetCurrent (const typename OpenGl::MatrixType<Other_t>::Mat4& theNewCurrent)
|
|
{
|
|
myCurrent.Convert (theNewCurrent);
|
|
}
|
|
|
|
//! Sets current matrix to identity.
|
|
void SetIdentity()
|
|
{
|
|
myCurrent = typename OpenGl::MatrixType<T>::Mat4();
|
|
}
|
|
|
|
private:
|
|
|
|
NCollection_Vector<typename OpenGl::MatrixType<T>::Mat4> myStack; //!< Collection used to maintenance matrix stack
|
|
typename OpenGl::MatrixType<T>::Mat4 myCurrent; //!< Current matrix
|
|
Standard_Integer myStackHead; //!< Index of stack head
|
|
};
|
|
|
|
#endif // _OpenGl_MatrixState_H__
|