vtkImageCanvasSource2D.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkImageCanvasSource2D.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 vtkImageCanvasSource2D_h
#define vtkImageCanvasSource2D_h
 
#include "vtkImageAlgorithm.h"
#include "vtkImagingSourcesModule.h" // For export macro
 
class VTKIMAGINGSOURCES_EXPORT vtkImageCanvasSource2D : public vtkImageAlgorithm
{
public:
  static vtkImageCanvasSource2D* New();
 
  vtkTypeMacro(vtkImageCanvasSource2D, vtkImageAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
 
  vtkSetVector4Macro(DrawColor, double);
  vtkGetVector4Macro(DrawColor, double);
 
  void SetDrawColor(double a) { this->SetDrawColor(a, 0.0, 0.0, 0.0); }
 
  void SetDrawColor(double a, double b) { this->SetDrawColor(a, b, 0.0, 0.0); }
 
  void SetDrawColor(double a, double b, double c) { this->SetDrawColor(a, b, c, 0.0); }
 
  void InitializeCanvasVolume(vtkImageData* volume);
 
 
  void FillBox(int min0, int max0, int min1, int max1);
  void FillTube(int x0, int y0, int x1, int y1, double radius);
  void FillTriangle(int x0, int y0, int x1, int y1, int x2, int y2);
  void DrawCircle(int c0, int c1, double radius);
  void DrawPoint(int p0, int p1);
  void DrawSegment(int x0, int y0, int x1, int y1);
  void DrawSegment3D(double* p0, double* p1);
  void DrawSegment3D(double x1, double y1, double z1, double x2, double y2, double z2)
  {
    double p1[3], p2[3];
    p1[0] = x1;
    p1[1] = y1;
    p1[2] = z1;
    p2[0] = x2;
    p2[1] = y2;
    p2[2] = z2;
    this->DrawSegment3D(p1, p2);
  }
 
  void DrawImage(int x0, int y0, vtkImageData* i) { this->DrawImage(x0, y0, i, -1, -1, -1, -1); }
  void DrawImage(int x0, int y0, vtkImageData*, int sx, int sy, int width, int height);
 
  void FillPixel(int x, int y);
 
 
  void SetExtent(int* extent);
  void SetExtent(int x1, int x2, int y1, int y2, int z1, int z2);
 
 
  vtkSetMacro(DefaultZ, int);
  vtkGetMacro(DefaultZ, int);
 
 
  vtkSetVector3Macro(Ratio, double);
  vtkGetVector3Macro(Ratio, double);
 
 
  virtual void SetNumberOfScalarComponents(int i);
  virtual int GetNumberOfScalarComponents() const;
 
 
  void SetScalarTypeToFloat() { this->SetScalarType(VTK_FLOAT); }
  void SetScalarTypeToDouble() { this->SetScalarType(VTK_DOUBLE); }
  void SetScalarTypeToInt() { this->SetScalarType(VTK_INT); }
  void SetScalarTypeToUnsignedInt() { this->SetScalarType(VTK_UNSIGNED_INT); }
  void SetScalarTypeToLong() { this->SetScalarType(VTK_LONG); }
  void SetScalarTypeToUnsignedLong() { this->SetScalarType(VTK_UNSIGNED_LONG); }
  void SetScalarTypeToShort() { this->SetScalarType(VTK_SHORT); }
  void SetScalarTypeToUnsignedShort() { this->SetScalarType(VTK_UNSIGNED_SHORT); }
  void SetScalarTypeToUnsignedChar() { this->SetScalarType(VTK_UNSIGNED_CHAR); }
  void SetScalarTypeToChar() { this->SetScalarType(VTK_CHAR); }
  void SetScalarType(int);
  int GetScalarType() const;
 
protected:
  vtkImageCanvasSource2D();
  // Destructor: Deleting a vtkImageCanvasSource2D automatically deletes the
  // associated vtkImageData.  However, since the data is reference counted,
  // it may not actually be deleted.
  ~vtkImageCanvasSource2D() override;
 
  vtkImageData* ImageData;
  int WholeExtent[6];
  double DrawColor[4];
  int DefaultZ;
  double Ratio[3];
 
  int ClipSegment(int& a0, int& a1, int& b0, int& b1);
 
  int RequestInformation(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
  int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
 
private:
  vtkImageCanvasSource2D(const vtkImageCanvasSource2D&) = delete;
  void operator=(const vtkImageCanvasSource2D&) = delete;
};
 
#endif