vtkGeneralTransform.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkGeneralTransform.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.
 
=========================================================================*/
#ifndef vtkGeneralTransform_h
#define vtkGeneralTransform_h
 
#include "vtkAbstractTransform.h"
#include "vtkCommonTransformsModule.h" // For export macro
 
#include "vtkMatrix4x4.h" // Needed for inline methods
 
class VTKCOMMONTRANSFORMS_EXPORT vtkGeneralTransform : public vtkAbstractTransform
{
public:
  static vtkGeneralTransform* New();
 
  vtkTypeMacro(vtkGeneralTransform, vtkAbstractTransform);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
  void Identity()
  {
    this->Concatenation->Identity();
    this->Modified();
  }
 
  void Inverse() override
  {
    this->Concatenation->Inverse();
    this->Modified();
  }
 
 
  void Translate(double x, double y, double z) { this->Concatenation->Translate(x, y, z); }
  void Translate(const double x[3]) { this->Translate(x[0], x[1], x[2]); }
  void Translate(const float x[3]) { this->Translate(x[0], x[1], x[2]); }
 
 
  void RotateWXYZ(double angle, double x, double y, double z)
  {
    this->Concatenation->Rotate(angle, x, y, z);
  }
  void RotateWXYZ(double angle, const double axis[3])
  {
    this->RotateWXYZ(angle, axis[0], axis[1], axis[2]);
  }
  void RotateWXYZ(double angle, const float axis[3])
  {
    this->RotateWXYZ(angle, axis[0], axis[1], axis[2]);
  }
 
 
  void RotateX(double angle) { this->RotateWXYZ(angle, 1, 0, 0); }
  void RotateY(double angle) { this->RotateWXYZ(angle, 0, 1, 0); }
  void RotateZ(double angle) { this->RotateWXYZ(angle, 0, 0, 1); }
 
 
  void Scale(double x, double y, double z) { this->Concatenation->Scale(x, y, z); }
  void Scale(const double s[3]) { this->Scale(s[0], s[1], s[2]); }
  void Scale(const float s[3]) { this->Scale(s[0], s[1], s[2]); }
 
 
  void Concatenate(vtkMatrix4x4* matrix) { this->Concatenate(*matrix->Element); }
  void Concatenate(const double elements[16]) { this->Concatenation->Concatenate(elements); }
 
  void Concatenate(vtkAbstractTransform* transform);
 
  void PreMultiply()
  {
    if (this->Concatenation->GetPreMultiplyFlag())
    {
      return;
    }
    this->Concatenation->SetPreMultiplyFlag(1);
    this->Modified();
  }
 
  void PostMultiply()
  {
    if (!this->Concatenation->GetPreMultiplyFlag())
    {
      return;
    }
    this->Concatenation->SetPreMultiplyFlag(0);
    this->Modified();
  }
 
  int GetNumberOfConcatenatedTransforms()
  {
    return this->Concatenation->GetNumberOfTransforms() + (this->Input == nullptr ? 0 : 1);
  }
 
  vtkAbstractTransform* GetConcatenatedTransform(int i)
  {
    if (this->Input == nullptr)
    {
      return this->Concatenation->GetTransform(i);
    }
    else if (i < this->Concatenation->GetNumberOfPreTransforms())
    {
      return this->Concatenation->GetTransform(i);
    }
    else if (i > this->Concatenation->GetNumberOfPreTransforms())
    {
      return this->Concatenation->GetTransform(i - 1);
    }
    else if (this->GetInverseFlag())
    {
      return this->Input->GetInverse();
    }
    else
    {
      return this->Input;
    }
  }
 
 
  void SetInput(vtkAbstractTransform* input);
  vtkAbstractTransform* GetInput() { return this->Input; }
 
  int GetInverseFlag() { return this->Concatenation->GetInverseFlag(); }
 
 
  void Push()
  {
    if (this->Stack == nullptr)
    {
      this->Stack = vtkTransformConcatenationStack::New();
    }
    this->Stack->Push(&this->Concatenation);
    this->Modified();
  }
 
 
  void Pop()
  {
    if (this->Stack == nullptr)
    {
      return;
    }
    this->Stack->Pop(&this->Concatenation);
    this->Modified();
  }
 
 
  void InternalTransformPoint(const float in[3], float out[3]) override;
  void InternalTransformPoint(const double in[3], double out[3]) override;
 
 
  void InternalTransformDerivative(
    const float in[3], float out[3], float derivative[3][3]) override;
  void InternalTransformDerivative(
    const double in[3], double out[3], double derivative[3][3]) override;
 
  int CircuitCheck(vtkAbstractTransform* transform) override;
 
  vtkAbstractTransform* MakeTransform() override;
 
  vtkMTimeType GetMTime() override;
 
protected:
  vtkGeneralTransform();
  ~vtkGeneralTransform() override;
 
  void InternalDeepCopy(vtkAbstractTransform* t) override;
  void InternalUpdate() override;
 
  vtkAbstractTransform* Input;
  vtkTransformConcatenation* Concatenation;
  vtkTransformConcatenationStack* Stack;
 
private:
  vtkGeneralTransform(const vtkGeneralTransform&) = delete;
  void operator=(const vtkGeneralTransform&) = delete;
};
 
#endif