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Imaging/vtkImageCanvasSource2D.h

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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    $RCSfile: vtkImageCanvasSource2D.h,v $
  Language:  C++

  Copyright (c) 1993-2002 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 "vtkStructuredPoints.h"

//
// Special classes for manipulating data
//
//BTX - begin tcl exclude
//
// For the fill functionality (use connector ??)
class vtkImageCanvasSource2DPixel { //;prevent man page generation
public:
  static vtkImageCanvasSource2DPixel *New() 
    { return new vtkImageCanvasSource2DPixel ;}
  int X;
  int Y;
  void *Pointer;
  vtkImageCanvasSource2DPixel *Next;
};
//ETX - end tcl exclude
//


class VTK_IMAGING_EXPORT vtkImageCanvasSource2D : public vtkStructuredPoints
{
public:
  static vtkImageCanvasSource2D *New();

  vtkTypeRevisionMacro(vtkImageCanvasSource2D,vtkStructuredPoints);
  void PrintSelf(ostream& os, vtkIndent indent);


  void SetImageData(vtkImageData *image);
  vtkGetObjectMacro(ImageData, vtkImageData);
  

  vtkSetVector4Macro(DrawColor, float);
  vtkGetVector4Macro(DrawColor, float);
  void SetDrawColor(float a) {this->SetDrawColor(a, 0.0, 0.0, 0.0);}
  void SetDrawColor(float a,float b) {this->SetDrawColor(a, b, 0.0, 0.0);}
  void SetDrawColor(float a, float b, float c) {this->SetDrawColor(a, b, c, 0.0);}
    
  void FillBox(int min0, int max0, int min1, int max1);
  void FillTube(int x0, int y0, int x1, int y1, float radius);
  void FillTriangle(int x0, int y0, int x1, int y1, int x2, int y2);
  void DrawCircle(int c0, int c1, float radius);
  void DrawPoint(int p0, int p1);
  void DrawSegment(int x0, int y0, int x1, int y1);
  void DrawSegment3D(float *p0, float *p1);
  void DrawSegment3D(float x1, float y1, float z1, float x2, float y2, float z2) 
    { float 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);

  vtkImageData *GetOutput() {return this;}
  

  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, float);
  vtkGetVector3Macro(Ratio, float);

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();

  vtkImageData *ImageData;
  float DrawColor[4];
  int DefaultZ;
  float Ratio[3];
  
  int ClipSegment(int &a0, int &a1, int &b0, int &b1);
private:
  vtkImageCanvasSource2D(const vtkImageCanvasSource2D&);  // Not implemented.
  void operator=(const vtkImageCanvasSource2D&);  // Not implemented.
};



#endif

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