VTK
vtkTransform2D.h
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1/*=========================================================================
2
3 Program: Visualization Toolkit
4 Module: vtkTransform2D.h
5
6 Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
7 All rights reserved.
8 See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
9
10 This software is distributed WITHOUT ANY WARRANTY; without even
11 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
12 PURPOSE. See the above copyright notice for more information.
13
14=========================================================================*/
15
41#ifndef vtkTransform2D_h
42#define vtkTransform2D_h
43
44#include "vtkCommonTransformsModule.h" // For export macro
45#include "vtkObject.h"
46
47#include "vtkMatrix3x3.h" // Needed for inline methods
48
49class vtkPoints2D;
50
51class VTKCOMMONTRANSFORMS_EXPORT vtkTransform2D : public vtkObject
52{
53 public:
56 void PrintSelf(ostream& os, vtkIndent indent) VTK_OVERRIDE;
57
61 void Identity();
62
66 void Inverse();
67
72 void Translate(double x, double y);
73 void Translate(const double x[2]) { this->Translate(x[0], x[1]); }
74 void Translate(const float x[2]) { this->Translate(x[0], x[1]); }
75
80 void Rotate(double angle);
81
86 void Scale(double x, double y);
87 void Scale(const double s[2]) { this->Scale(s[0], s[1]); }
88 void Scale(const float s[2]) { this->Scale(s[0], s[1]); }
89
93 void SetMatrix(vtkMatrix3x3 *matrix) {
94 this->SetMatrix(matrix->GetData()); }
95 void SetMatrix(const double elements[9]);
96
98
101 vtkGetObjectMacro(Matrix, vtkMatrix3x3);
102 void GetMatrix(vtkMatrix3x3 *matrix);
104
106
111 void GetPosition(double pos[2]);
112 void GetPosition(float pos[2]) {
113 double temp[2];
114 this->GetPosition(temp);
115 pos[0] = static_cast<float>(temp[0]);
116 pos[1] = static_cast<float>(temp[1]); }
118
120
125 void GetScale(double pos[2]);
126 void GetScale(float pos[2]) {
127 double temp[2];
128 this->GetScale(temp);
129 pos[0] = static_cast<float>(temp[0]);
130 pos[1] = static_cast<float>(temp[1]); }
132
137 void GetInverse(vtkMatrix3x3 *inverse);
138
144 void GetTranspose(vtkMatrix3x3 *transpose);
145
149 vtkMTimeType GetMTime() VTK_OVERRIDE;
150
156 void TransformPoints(const float *inPts, float *outPts, int n);
157
163 void TransformPoints(const double *inPts, double *outPts, int n);
164
169 void TransformPoints(vtkPoints2D *inPts, vtkPoints2D *outPts);
170
176 void InverseTransformPoints(const float *inPts, float *outPts, int n);
177
183 void InverseTransformPoints(const double *inPts, double *outPts, int n);
184
189 void InverseTransformPoints(vtkPoints2D *inPts, vtkPoints2D *outPts);
190
192
197 void MultiplyPoint(const float in[3], float out[3]) {
198 this->GetMatrix()->MultiplyPoint(in,out);};
199 void MultiplyPoint(const double in[3], double out[3]) {
200 this->GetMatrix()->MultiplyPoint(in,out);};
202
203protected:
205 ~vtkTransform2D () VTK_OVERRIDE;
206
207 void InternalDeepCopy(vtkTransform2D *t);
208
210 vtkMatrix3x3 *InverseMatrix;
211
212private:
213 vtkTransform2D (const vtkTransform2D&) VTK_DELETE_FUNCTION;
214 void operator=(const vtkTransform2D&) VTK_DELETE_FUNCTION;
215};
216
217#endif
a simple class to control print indentation
Definition: vtkIndent.h:40
represent and manipulate 3x3 transformation matrices
Definition: vtkMatrix3x3.h:37
double * GetData()
Return a pointer to the first element of the matrix (double[9]).
Definition: vtkMatrix3x3.h:177
abstract base class for most VTK objects
Definition: vtkObject.h:60
represent and manipulate 2D points
Definition: vtkPoints2D.h:37
describes linear transformations via a 3x3 matrix
vtkMTimeType GetMTime() override
Override GetMTime to account for input and concatenation.
void SetMatrix(vtkMatrix3x3 *matrix)
Set the current matrix directly.
void GetScale(float pos[2])
void Translate(const float x[2])
void MultiplyPoint(const double in[3], double out[3])
void GetTranspose(vtkMatrix3x3 *transpose)
Return a matrix which is the transpose of the current transformation matrix.
void GetPosition(float pos[2])
void Rotate(double angle)
Create a rotation matrix and concatenate it with the current transformation.
void Scale(const float s[2])
void GetScale(double pos[2])
Return the x and y scale from the current transformation matrix as an array of two floating point num...
void SetMatrix(const double elements[9])
void GetInverse(vtkMatrix3x3 *inverse)
Return a matrix which is the inverse of the current transformation matrix.
~vtkTransform2D() override
void Scale(double x, double y)
Create a scale matrix (i.e.
void Inverse()
Invert the transformation.
static vtkTransform2D * New()
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
void Identity()
Set the transformation to the identity transformation.
void Scale(const double s[2])
void GetMatrix(vtkMatrix3x3 *matrix)
void Translate(const double x[2])
void GetPosition(double pos[2])
Return the position from the current transformation matrix as an array of two floating point numbers.
void Translate(double x, double y)
Create a translation matrix and concatenate it with the current transformation.
vtkTypeUInt64 vtkMTimeType
Definition: vtkType.h:248