libvtk6-dev 6.2.0+dfsg1-10build1 / usr / include / vtk-6.2 / vtkCursor2D.h

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

  Program:   Visualization Toolkit
  Module:    vtkCursor2D.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.

=========================================================================*/
// .NAME vtkCursor2D - generate a 2D cursor representation
// .SECTION Description
// vtkCursor2D is a class that generates a 2D cursor representation.
// The cursor consists of two intersection axes lines that meet at the
// cursor focus. Several optional features are available as well. An
// optional 2D bounding box may be enabled. An inner radius, centered at
// the focal point, can be set that erases the intersecting lines (e.g.,
// it leaves a clear area under the focal point so you can see
// what you are selecting). And finally, an optional point can be
// enabled located at the focal point. All of these features can be turned
// on and off independently.
//

#ifndef vtkCursor2D_h
#define vtkCursor2D_h

#include "vtkFiltersGeneralModule.h" // For export macro
#include "vtkPolyDataAlgorithm.h"

class VTKFILTERSGENERAL_EXPORT vtkCursor2D : public vtkPolyDataAlgorithm
{
public:
  vtkTypeMacro(vtkCursor2D,vtkPolyDataAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent);

  // Description:
  // Construct with model bounds = (-10,10,-10,10), focal point = (0,0),
  // radius=2, all parts of cursor visible, and wrapping off.
  static vtkCursor2D *New();

  // Description:
  // Set / get the bounding box of the 2D cursor. This defines the outline
  // of the cursor, and where the focal point should lie.
  void SetModelBounds(double xmin, double xmax, double ymin, double ymax,
                      double zmin, double zmax);
  void SetModelBounds(const double bounds[6]);
  vtkGetVectorMacro(ModelBounds,double,6);

  // Description:
  // Set/Get the position of cursor focus. If translation mode is on,
  // then the entire cursor (including bounding box, cursor, and shadows)
  // is translated. Otherwise, the focal point will either be clamped to the
  // bounding box, or wrapped, if Wrap is on. (Note: this behavior requires
  // that the bounding box is set prior to the focal point.) Note that the
  // method takes a 3D point but ignores the z-coordinate value.
  void SetFocalPoint(double x[3]);
  void SetFocalPoint(double x, double y, double z)
    {
      double xyz[3];
      xyz[0] = x; xyz[1] = y; xyz[2] = z;
      this->SetFocalPoint(xyz);
    }
  vtkGetVectorMacro(FocalPoint,double,3);

  // Description:
  // Turn on/off the wireframe bounding box.
  vtkSetMacro(Outline,int);
  vtkGetMacro(Outline,int);
  vtkBooleanMacro(Outline,int);

  // Description:
  // Turn on/off the wireframe axes.
  vtkSetMacro(Axes,int);
  vtkGetMacro(Axes,int);
  vtkBooleanMacro(Axes,int);

  // Description:
  // Specify a radius for a circle. This erases the cursor
  // lines around the focal point.
  vtkSetClampMacro(Radius,double,0.0,VTK_FLOAT_MAX);
  vtkGetMacro(Radius,double);

  // Description:
  // Turn on/off the point located at the cursor focus.
  vtkSetMacro(Point,int);
  vtkGetMacro(Point,int);
  vtkBooleanMacro(Point,int);

  // Description:
  // Enable/disable the translation mode. If on, changes in cursor position
  // cause the entire widget to translate along with the cursor.
  // By default, translation mode is off.
  vtkSetMacro(TranslationMode,int);
  vtkGetMacro(TranslationMode,int);
  vtkBooleanMacro(TranslationMode,int);

  // Description:
  // Turn on/off cursor wrapping. If the cursor focus moves outside the
  // specified bounds, the cursor will either be restrained against the
  // nearest "wall" (Wrap=off), or it will wrap around (Wrap=on).
  vtkSetMacro(Wrap,int);
  vtkGetMacro(Wrap,int);
  vtkBooleanMacro(Wrap,int);

  // Description:
  // Turn every part of the cursor on or off.
  void AllOn();
  void AllOff();

protected:
  vtkCursor2D();
  ~vtkCursor2D() {}

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

  double ModelBounds[6];
  double FocalPoint[3];
  int    Outline;
  int    Axes;
  int    Point;
  double Radius;
  int    TranslationMode;
  int    Wrap;

private:
  vtkCursor2D(const vtkCursor2D&);  // Not implemented.
  void operator=(const vtkCursor2D&);  // Not implemented.
};

#endif

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