VTK  9.0.3
vtkImageCanvasSource2D.h
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1 /*=========================================================================
2 
3  Program: Visualization Toolkit
4  Module: vtkImageCanvasSource2D.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 =========================================================================*/
24 #ifndef vtkImageCanvasSource2D_h
25 #define vtkImageCanvasSource2D_h
26 
27 #include "vtkImageAlgorithm.h"
28 #include "vtkImagingSourcesModule.h" // For export macro
29 
30 class VTKIMAGINGSOURCES_EXPORT vtkImageCanvasSource2D : public vtkImageAlgorithm
31 {
32 public:
37 
39  void PrintSelf(ostream& os, vtkIndent indent) override;
40 
42 
46  vtkSetVector4Macro(DrawColor, double);
47  vtkGetVector4Macro(DrawColor, double);
49 
53  void SetDrawColor(double a) { this->SetDrawColor(a, 0.0, 0.0, 0.0); }
54 
58  void SetDrawColor(double a, double b) { this->SetDrawColor(a, b, 0.0, 0.0); }
59 
63  void SetDrawColor(double a, double b, double c) { this->SetDrawColor(a, b, c, 0.0); }
64 
69 
71 
75  void FillBox(int min0, int max0, int min1, int max1);
76  void FillTube(int x0, int y0, int x1, int y1, double radius);
77  void FillTriangle(int x0, int y0, int x1, int y1, int x2, int y2);
78  void DrawCircle(int c0, int c1, double radius);
79  void DrawPoint(int p0, int p1);
80  void DrawSegment(int x0, int y0, int x1, int y1);
81  void DrawSegment3D(double* p0, double* p1);
82  void DrawSegment3D(double x1, double y1, double z1, double x2, double y2, double z2)
83  {
84  double p1[3], p2[3];
85  p1[0] = x1;
86  p1[1] = y1;
87  p1[2] = z1;
88  p2[0] = x2;
89  p2[1] = y2;
90  p2[2] = z2;
91  this->DrawSegment3D(p1, p2);
92  }
94 
99  void DrawImage(int x0, int y0, vtkImageData* i) { this->DrawImage(x0, y0, i, -1, -1, -1, -1); }
100  void DrawImage(int x0, int y0, vtkImageData*, int sx, int sy, int width, int height);
101 
107  void FillPixel(int x, int y);
108 
110 
115  void SetExtent(int* extent);
116  void SetExtent(int x1, int x2, int y1, int y2, int z1, int z2);
118 
120 
125  vtkSetMacro(DefaultZ, int);
126  vtkGetMacro(DefaultZ, int);
128 
130 
135  vtkSetVector3Macro(Ratio, double);
136  vtkGetVector3Macro(Ratio, double);
138 
140 
143  virtual void SetNumberOfScalarComponents(int i);
144  virtual int GetNumberOfScalarComponents() const;
146 
148 
155  void SetScalarTypeToFloat() { this->SetScalarType(VTK_FLOAT); }
156  void SetScalarTypeToDouble() { this->SetScalarType(VTK_DOUBLE); }
157  void SetScalarTypeToInt() { this->SetScalarType(VTK_INT); }
158  void SetScalarTypeToUnsignedInt() { this->SetScalarType(VTK_UNSIGNED_INT); }
159  void SetScalarTypeToLong() { this->SetScalarType(VTK_LONG); }
160  void SetScalarTypeToUnsignedLong() { this->SetScalarType(VTK_UNSIGNED_LONG); }
161  void SetScalarTypeToShort() { this->SetScalarType(VTK_SHORT); }
162  void SetScalarTypeToUnsignedShort() { this->SetScalarType(VTK_UNSIGNED_SHORT); }
163  void SetScalarTypeToUnsignedChar() { this->SetScalarType(VTK_UNSIGNED_CHAR); }
164  void SetScalarTypeToChar() { this->SetScalarType(VTK_CHAR); }
165  void SetScalarType(int);
166  int GetScalarType() const;
168 
169 protected:
171  // Destructor: Deleting a vtkImageCanvasSource2D automatically deletes the
172  // associated vtkImageData. However, since the data is reference counted,
173  // it may not actually be deleted.
175 
177  int WholeExtent[6];
178  double DrawColor[4];
179  int DefaultZ;
180  double Ratio[3];
181 
182  int ClipSegment(int& a0, int& a1, int& b0, int& b1);
183 
186 
187 private:
189  void operator=(const vtkImageCanvasSource2D&) = delete;
190 };
191 
192 #endif
Generic algorithm superclass for image algs.
int RequestInformation(vtkInformation *, vtkInformationVector **, vtkInformationVector *) override
Subclasses can reimplement this method to collect information from their inputs and set information f...
void DrawImage(int x0, int y0, vtkImageData *i)
Draw subimage of the input image in the canvas at position x0 and y0.
void SetDrawColor(double a, double b)
Set DrawColor to (a, b, 0, 0)
virtual void SetNumberOfScalarComponents(int i)
Set the number of scalar components.
void SetDrawColor(double a)
Set DrawColor to (a, 0, 0, 0)
~vtkImageCanvasSource2D() override
void SetDrawColor(double a, double b, double c)
Set DrawColor to (a, b, c, 0)
int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *) override
This is called in response to a REQUEST_DATA request from the executive.
void SetScalarTypeToFloat()
Set/Get the data scalar type (i.e VTK_DOUBLE).
void FillBox(int min0, int max0, int min1, int max1)
Set the pixels inside the box (min0, max0, min1, max1) to the current DrawColor.
void DrawSegment3D(double *p0, double *p1)
static vtkImageCanvasSource2D * New()
Construct an instance of vtkImageCanvasSource2D with no data.
void DrawSegment3D(double x1, double y1, double z1, double x2, double y2, double z2)
void FillTriangle(int x0, int y0, int x1, int y1, int x2, int y2)
void PrintSelf(ostream &os, vtkIndent indent) override
Methods invoked by print to print information about the object including superclasses.
void SetExtent(int *extent)
These methods set the WholeExtent of the output It sets the size of the canvas.
int ClipSegment(int &a0, int &a1, int &b0, int &b1)
int GetScalarType() const
void FillPixel(int x, int y)
Fill a colored area with another color.
void DrawSegment(int x0, int y0, int x1, int y1)
void InitializeCanvasVolume(vtkImageData *volume)
Initialize the canvas with a given volume.
void SetExtent(int x1, int x2, int y1, int y2, int z1, int z2)
void DrawPoint(int p0, int p1)
void FillTube(int x0, int y0, int x1, int y1, double radius)
virtual int GetNumberOfScalarComponents() const
void DrawImage(int x0, int y0, vtkImageData *, int sx, int sy, int width, int height)
void DrawCircle(int c0, int c1, double radius)
topologically and geometrically regular array of data
Definition: vtkImageData.h:42
a simple class to control print indentation
Definition: vtkIndent.h:34
Store zero or more vtkInformation instances.
Store vtkAlgorithm input/output information.
@ extent
Definition: vtkX3D.h:351
@ height
Definition: vtkX3D.h:260
@ radius
Definition: vtkX3D.h:258
#define VTK_SHORT
Definition: vtkType.h:46
#define VTK_UNSIGNED_INT
Definition: vtkType.h:49
#define VTK_DOUBLE
Definition: vtkType.h:53
#define VTK_UNSIGNED_CHAR
Definition: vtkType.h:45
#define VTK_UNSIGNED_SHORT
Definition: vtkType.h:47
#define VTK_INT
Definition: vtkType.h:48
#define VTK_FLOAT
Definition: vtkType.h:52
#define VTK_CHAR
Definition: vtkType.h:43
#define VTK_UNSIGNED_LONG
Definition: vtkType.h:51
#define VTK_LONG
Definition: vtkType.h:50