dox/Graphics/vtkGlyphSource2D.h

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

  Program:   Visualization Toolkit
  Module:    vtkGlyphSource2D.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 __vtkGlyphSource2D_h
#define __vtkGlyphSource2D_h

#include "vtkPolyDataAlgorithm.h"

#define VTK_NO_GLYPH 0
#define VTK_VERTEX_GLYPH 1
#define VTK_DASH_GLYPH 2
#define VTK_CROSS_GLYPH 3
#define VTK_THICKCROSS_GLYPH 4
#define VTK_TRIANGLE_GLYPH 5
#define VTK_SQUARE_GLYPH 6
#define VTK_CIRCLE_GLYPH 7
#define VTK_DIAMOND_GLYPH 8
#define VTK_ARROW_GLYPH 9
#define VTK_THICKARROW_GLYPH 10
#define VTK_HOOKEDARROW_GLYPH 11
#define VTK_EDGEARROW_GLYPH 12

class vtkPoints;
class vtkUnsignedCharArray;
class vtkCellArray;

class VTK_GRAPHICS_EXPORT vtkGlyphSource2D : public vtkPolyDataAlgorithm 
{
public:
  vtkTypeMacro(vtkGlyphSource2D,vtkPolyDataAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent);

  static vtkGlyphSource2D *New();


  vtkSetVector3Macro(Center,double);
  vtkGetVectorMacro(Center,double,3);


  vtkSetClampMacro(Scale,double,0.0,VTK_DOUBLE_MAX);
  vtkGetMacro(Scale,double);


  vtkSetClampMacro(Scale2,double,0.0,VTK_DOUBLE_MAX);
  vtkGetMacro(Scale2,double);


  vtkSetVector3Macro(Color,double);
  vtkGetVectorMacro(Color,double,3);


  vtkSetMacro(Filled,int);
  vtkGetMacro(Filled,int);
  vtkBooleanMacro(Filled,int);


  vtkSetMacro(Dash,int);
  vtkGetMacro(Dash,int);
  vtkBooleanMacro(Dash,int);


  vtkSetMacro(Cross,int);
  vtkGetMacro(Cross,int);
  vtkBooleanMacro(Cross,int);


  vtkSetMacro(RotationAngle,double);
  vtkGetMacro(RotationAngle,double);


  vtkSetClampMacro(GlyphType,int,VTK_NO_GLYPH,VTK_EDGEARROW_GLYPH);
  vtkGetMacro(GlyphType,int);
  void SetGlyphTypeToNone() {this->SetGlyphType(VTK_NO_GLYPH);}  
  void SetGlyphTypeToVertex() {this->SetGlyphType(VTK_VERTEX_GLYPH);}  
  void SetGlyphTypeToDash() {this->SetGlyphType(VTK_DASH_GLYPH);}  
  void SetGlyphTypeToCross() {this->SetGlyphType(VTK_CROSS_GLYPH);}
  void SetGlyphTypeToThickCross() {this->SetGlyphType(VTK_THICKCROSS_GLYPH);}
  void SetGlyphTypeToTriangle() {this->SetGlyphType(VTK_TRIANGLE_GLYPH);}
  void SetGlyphTypeToSquare() {this->SetGlyphType(VTK_SQUARE_GLYPH);}
  void SetGlyphTypeToCircle() {this->SetGlyphType(VTK_CIRCLE_GLYPH);}
  void SetGlyphTypeToDiamond() {this->SetGlyphType(VTK_DIAMOND_GLYPH);}
  void SetGlyphTypeToArrow() {this->SetGlyphType(VTK_ARROW_GLYPH);}
  void SetGlyphTypeToThickArrow() {this->SetGlyphType(VTK_THICKARROW_GLYPH);}
  void SetGlyphTypeToHookedArrow() {this->SetGlyphType(VTK_HOOKEDARROW_GLYPH);}
  void SetGlyphTypeToEdgeArrow() {this->SetGlyphType(VTK_EDGEARROW_GLYPH);}

protected:
  vtkGlyphSource2D();
  ~vtkGlyphSource2D() {};

  int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *);

  double Center[3];
  double Scale;
  double Scale2;
  double Color[3];
  int   Filled;
  int   Dash;
  int   Cross;
  int   GlyphType;
  double RotationAngle;
  
  void TransformGlyph(vtkPoints *pts);
  void ConvertColor();
  unsigned char RGB[3];
  
  void CreateVertex(vtkPoints *pts, vtkCellArray *verts, 
                    vtkUnsignedCharArray *colors);
  void CreateDash(vtkPoints *pts, vtkCellArray *lines, 
                  vtkCellArray *polys, vtkUnsignedCharArray *colors, double scale);
  void CreateCross(vtkPoints *pts, vtkCellArray *lines, 
                   vtkCellArray *polys, vtkUnsignedCharArray *colors, double scale);
  void CreateThickCross(vtkPoints *pts, vtkCellArray *lines, 
                        vtkCellArray *polys, vtkUnsignedCharArray *colors);
  void CreateTriangle(vtkPoints *pts, vtkCellArray *lines,
                      vtkCellArray *polys, vtkUnsignedCharArray *colors);
  void CreateSquare(vtkPoints *pts, vtkCellArray *lines,
                    vtkCellArray *polys, vtkUnsignedCharArray *colors);
  void CreateCircle(vtkPoints *pts, vtkCellArray *lines,
                    vtkCellArray *polys, vtkUnsignedCharArray *colors);
  void CreateDiamond(vtkPoints *pts, vtkCellArray *lines,
                     vtkCellArray *polys, vtkUnsignedCharArray *colors);
  void CreateArrow(vtkPoints *pts, vtkCellArray *lines,
                   vtkCellArray *polys, vtkUnsignedCharArray *colors);
  void CreateThickArrow(vtkPoints *pts, vtkCellArray *lines,
                        vtkCellArray *polys, vtkUnsignedCharArray *colors);
  void CreateHookedArrow(vtkPoints *pts, vtkCellArray *lines,
                         vtkCellArray *polys, vtkUnsignedCharArray *colors);
  void CreateEdgeArrow(vtkPoints *pts, vtkCellArray *lines,
                       vtkCellArray *polys, vtkUnsignedCharArray *colors);

private:
  vtkGlyphSource2D(const vtkGlyphSource2D&);  // Not implemented.
  void operator=(const vtkGlyphSource2D&);  // Not implemented.
};

#endif