vtkLinearTransform.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
 
#ifndef vtkLinearTransform_h
#define vtkLinearTransform_h
 
#include "vtkCommonTransformsModule.h" // For export macro
#include "vtkHomogeneousTransform.h"
#include "vtkWrappingHints.h" // For VTK_MARSHALAUTO
 
VTK_ABI_NAMESPACE_BEGIN
class VTKCOMMONTRANSFORMS_EXPORT VTK_MARSHALAUTO vtkLinearTransform : public vtkHomogeneousTransform
{
public:
  vtkTypeMacro(vtkLinearTransform, vtkHomogeneousTransform);
  void PrintSelf(ostream& os, vtkIndent indent) override;

  void TransformNormal(const float in[3], float out[3])
  {
    this->Update();
    this->InternalTransformNormal(in, out);
  }

  void TransformNormal(const double in[3], double out[3])
  {
    this->Update();
    this->InternalTransformNormal(in, out);
  }

  double* TransformNormal(double x, double y, double z) VTK_SIZEHINT(3)
  {
    return this->TransformDoubleNormal(x, y, z);
  }
  double* TransformNormal(const double normal[3]) VTK_SIZEHINT(3)
  {
    return this->TransformDoubleNormal(normal[0], normal[1], normal[2]);
  }


  float* TransformFloatNormal(float x, float y, float z) VTK_SIZEHINT(3)
  {
    this->InternalFloatPoint[0] = x;
    this->InternalFloatPoint[1] = y;
    this->InternalFloatPoint[2] = z;
    this->TransformNormal(this->InternalFloatPoint, this->InternalFloatPoint);
    return this->InternalFloatPoint;
  }
  float* TransformFloatNormal(const float normal[3]) VTK_SIZEHINT(3)
  {
    return this->TransformFloatNormal(normal[0], normal[1], normal[2]);
  }



  double* TransformDoubleNormal(double x, double y, double z) VTK_SIZEHINT(3)
  {
    this->InternalDoublePoint[0] = x;
    this->InternalDoublePoint[1] = y;
    this->InternalDoublePoint[2] = z;
    this->TransformNormal(this->InternalDoublePoint, this->InternalDoublePoint);
    return this->InternalDoublePoint;
  }
  double* TransformDoubleNormal(const double normal[3]) VTK_SIZEHINT(3)
  {
    return this->TransformDoubleNormal(normal[0], normal[1], normal[2]);
  }


  double* TransformVector(double x, double y, double z) VTK_SIZEHINT(3)
  {
    return this->TransformDoubleVector(x, y, z);
  }
  double* TransformVector(const double normal[3]) VTK_SIZEHINT(3)
  {
    return this->TransformDoubleVector(normal[0], normal[1], normal[2]);
  }

  void TransformVector(const float in[3], float out[3])
  {
    this->Update();
    this->InternalTransformVector(in, out);
  }

  void TransformVector(const double in[3], double out[3])
  {
    this->Update();
    this->InternalTransformVector(in, out);
  }


  float* TransformFloatVector(float x, float y, float z) VTK_SIZEHINT(3)
  {
    this->InternalFloatPoint[0] = x;
    this->InternalFloatPoint[1] = y;
    this->InternalFloatPoint[2] = z;
    this->TransformVector(this->InternalFloatPoint, this->InternalFloatPoint);
    return this->InternalFloatPoint;
  }
  float* TransformFloatVector(const float vec[3]) VTK_SIZEHINT(3)
  {
    return this->TransformFloatVector(vec[0], vec[1], vec[2]);
  }



  double* TransformDoubleVector(double x, double y, double z) VTK_SIZEHINT(3)
  {
    this->InternalDoublePoint[0] = x;
    this->InternalDoublePoint[1] = y;
    this->InternalDoublePoint[2] = z;
    this->TransformVector(this->InternalDoublePoint, this->InternalDoublePoint);
    return this->InternalDoublePoint;
  }
  double* TransformDoubleVector(const double vec[3]) VTK_SIZEHINT(3)
  {
    return this->TransformDoubleVector(vec[0], vec[1], vec[2]);
  }


  void TransformPoints(vtkPoints* inPts, vtkPoints* outPts) override;

  virtual void TransformNormals(vtkDataArray* inNms, vtkDataArray* outNms);

  virtual void TransformVectors(vtkDataArray* inVrs, vtkDataArray* outVrs);

  void TransformPointsNormalsVectors(vtkPoints* inPts, vtkPoints* outPts, vtkDataArray* inNms,
    vtkDataArray* outNms, vtkDataArray* inVrs, vtkDataArray* outVrs, int nOptionalVectors = 0,
    vtkDataArray** inVrsArr = nullptr, vtkDataArray** outVrsArr = nullptr) override;

  vtkLinearTransform* GetLinearInverse()
  {
    return static_cast<vtkLinearTransform*>(this->GetInverse());
  }


  void InternalTransformPoint(const float in[3], float out[3]) override;
  void InternalTransformPoint(const double in[3], double out[3]) override;


  virtual void InternalTransformNormal(const float in[3], float out[3]);
  virtual void InternalTransformNormal(const double in[3], double out[3]);


  virtual void InternalTransformVector(const float in[3], float out[3]);
  virtual void InternalTransformVector(const double in[3], double out[3]);


  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;
 
protected:
  vtkLinearTransform() = default;
  ~vtkLinearTransform() override = default;
 
private:
  vtkLinearTransform(const vtkLinearTransform&) = delete;
  void operator=(const vtkLinearTransform&) = delete;
};
 
VTK_ABI_NAMESPACE_END
#endif