vtkTransform2D.h

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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause

#ifndef vtkTransform2D_h
#define vtkTransform2D_h

#include "vtkCommonTransformsModule.h" // For export macro
#include "vtkObject.h"
#include "vtkWrappingHints.h" // For VTK_MARSHALAUTO

#include "vtkMatrix3x3.h" // Needed for inline methods

VTK_ABI_NAMESPACE_BEGIN
class vtkPoints2D;

class VTKCOMMONTRANSFORMS_EXPORT VTK_MARSHALAUTO vtkTransform2D : public vtkObject
{
public:
  static vtkTransform2D* New();
  vtkTypeMacro(vtkTransform2D, vtkObject);
  void PrintSelf(ostream& os, vtkIndent indent) override;

  void Identity();

  void Inverse();

  void Translate(double x, double y);
  void Translate(const double x[2]) { this->Translate(x[0], x[1]); }
  void Translate(const float x[2]) { this->Translate(x[0], x[1]); }

  void Rotate(double angle);

  void Scale(double x, double y);
  void Scale(const double s[2]) { this->Scale(s[0], s[1]); }
  void Scale(const float s[2]) { this->Scale(s[0], s[1]); }

  void SetMatrix(vtkMatrix3x3* matrix) { this->SetMatrix(matrix->GetData()); }
  void SetMatrix(const double elements[9]);


  vtkGetObjectMacro(Matrix, vtkMatrix3x3);
  void GetMatrix(vtkMatrix3x3* matrix);


  void GetPosition(double pos[2]);
  void GetPosition(float pos[2])
  {
    double temp[2];
    this->GetPosition(temp);
    pos[0] = static_cast<float>(temp[0]);
    pos[1] = static_cast<float>(temp[1]);
  }


  void GetScale(double scale[2]);
  void GetScale(float pos[2])
  {
    double temp[2];
    this->GetScale(temp);
    pos[0] = static_cast<float>(temp[0]);
    pos[1] = static_cast<float>(temp[1]);
  }

  void GetInverse(vtkMatrix3x3* inverse);

  void GetTranspose(vtkMatrix3x3* transpose);

  vtkMTimeType GetMTime() override;

  void TransformPoints(const float* inPts, float* outPts, int n);

  void TransformPoints(const double* inPts, double* outPts, int n);

  void TransformPoints(vtkPoints2D* inPts, vtkPoints2D* outPts);

  void InverseTransformPoints(const float* inPts, float* outPts, int n);

  void InverseTransformPoints(const double* inPts, double* outPts, int n);

  void InverseTransformPoints(vtkPoints2D* inPts, vtkPoints2D* outPts);


  void MultiplyPoint(const float in[3], float out[3]) { this->GetMatrix()->MultiplyPoint(in, out); }
  void MultiplyPoint(const double in[3], double out[3])
  {
    this->GetMatrix()->MultiplyPoint(in, out);
  }

protected:
  vtkTransform2D();
  ~vtkTransform2D() override;

  void InternalDeepCopy(vtkTransform2D* t);

  vtkMatrix3x3* Matrix;
  vtkMatrix3x3* InverseMatrix;

private:
  vtkTransform2D(const vtkTransform2D&) = delete;
  void operator=(const vtkTransform2D&) = delete;
};

VTK_ABI_NAMESPACE_END
#endif