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/*=========================================================================
Program: Visualization Toolkit
Module: vtkMatrixToLinearTransform.h
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
// .NAME vtkMatrixToLinearTransform - convert a matrix to a transform
// .SECTION Description
// This is a very simple class which allows a vtkMatrix4x4 to be used in
// place of a vtkLinearTransform or vtkAbstractTransform. For example,
// if you use it as a proxy between a matrix and vtkTransformPolyDataFilter
// then any modifications to the matrix will automatically be reflected in
// the output of the filter.
// .SECTION See Also
// vtkTransform vtkMatrix4x4 vtkMatrixToHomogeneousTransform
#ifndef __vtkMatrixToLinearTransform_h
#define __vtkMatrixToLinearTransform_h
#include "vtkCommonTransformsModule.h" // For export macro
#include "vtkLinearTransform.h"
class vtkMatrix4x4;
class VTKCOMMONTRANSFORMS_EXPORT vtkMatrixToLinearTransform : public vtkLinearTransform
{
public:
static vtkMatrixToLinearTransform *New();
vtkTypeMacro(vtkMatrixToLinearTransform,vtkLinearTransform);
void PrintSelf (ostream& os, vtkIndent indent);
// Description:
// Set the input matrix. Any modifications to the matrix will be
// reflected in the transformation.
virtual void SetInput(vtkMatrix4x4*);
vtkGetObjectMacro(Input,vtkMatrix4x4);
// Description:
// The input matrix is left as-is, but the transformation matrix
// is inverted.
void Inverse();
// Description:
// Get the MTime: this is the bit of magic that makes everything work.
unsigned long GetMTime();
// Description:
// Make a new transform of the same type.
vtkAbstractTransform *MakeTransform();
protected:
vtkMatrixToLinearTransform();
~vtkMatrixToLinearTransform();
void InternalUpdate();
void InternalDeepCopy(vtkAbstractTransform *transform);
int InverseFlag;
vtkMatrix4x4 *Input;
private:
vtkMatrixToLinearTransform(const vtkMatrixToLinearTransform&); // Not implemented.
void operator=(const vtkMatrixToLinearTransform&); // Not implemented.
};
#endif
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