vtkChart.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkChart.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 vtkChart_h
#define vtkChart_h
 
#include "vtkChartsCoreModule.h" // For export macro
#include "vtkContextItem.h"
#include "vtkRect.h"         // For vtkRectf
#include "vtkStdString.h"    // For vtkStdString ivars
#include "vtkSmartPointer.h" // For SP ivars
 
class vtkTransform2D;
class vtkContextScene;
class vtkPlot;
class vtkAxis;
class vtkBrush;
class vtkTextProperty;
class vtkChartLegend;
 
class vtkInteractorStyle;
class vtkAnnotationLink;
 
class VTKCHARTSCORE_EXPORT vtkChart : public vtkContextItem
{
public:
  vtkTypeMacro(vtkChart, vtkContextItem);
  virtual void PrintSelf(ostream &os, vtkIndent indent);
 
//BTX
 
  enum {
    LINE,
    POINTS,
    BAR,
    STACKED,
    BAG,
    FUNCTIONALBAG,
    AREA};
 
 
  enum {
    PAN = 0,
    ZOOM,
    ZOOM_AXIS,
    SELECT,
    SELECT_RECTANGLE = SELECT,
    SELECT_POLYGON,
    NOTIFY
    };
 
 
  enum EventIds {
    UpdateRange = 1002
  };
//ETX
 
  virtual bool Paint(vtkContext2D *painter) = 0;
 
  virtual vtkPlot* AddPlot(int type);
 
  virtual vtkIdType AddPlot(vtkPlot* plot);
 
  virtual bool RemovePlot(vtkIdType index);
 
  virtual bool RemovePlotInstance(vtkPlot* plot);
 
  virtual void ClearPlots();
 
  virtual vtkPlot* GetPlot(vtkIdType index);
 
  virtual vtkIdType GetNumberOfPlots();
 
  virtual vtkAxis* GetAxis(int axisIndex);
 
  virtual vtkIdType GetNumberOfAxes();
 
  virtual void RecalculateBounds();
 
 
  enum {
    SELECTION_ROWS,
    SELECTION_PLOTS,
    SELECTION_COLUMNS
  };
 
 
  virtual void SetSelectionMethod(int method);
  virtual int GetSelectionMethod();
 
  virtual void SetAnnotationLink(vtkAnnotationLink *link);
 
 
  vtkGetObjectMacro(AnnotationLink, vtkAnnotationLink);
 
 
  vtkSetVector2Macro(Geometry, int);
  vtkGetVector2Macro(Geometry, int);
 
 
  vtkSetVector2Macro(Point1, int);
  vtkGetVector2Macro(Point1, int);
 
 
  vtkSetVector2Macro(Point2, int);
  vtkGetVector2Macro(Point2, int);
 
 
  virtual void SetShowLegend(bool visible);
  virtual bool GetShowLegend();
 
  virtual vtkChartLegend * GetLegend();
 
 
  virtual void SetTitle(const vtkStdString &title);
  virtual vtkStdString GetTitle();
 
 
  vtkGetObjectMacro(TitleProperties, vtkTextProperty);
 
 
  void SetBottomBorder(int border);
  void SetTopBorder(int border);
  void SetLeftBorder(int border);
  void SetRightBorder(int border);
 
  void SetBorders(int left, int bottom, int right, int top);
 
  void SetSize(const vtkRectf &rect);
 
  vtkRectf GetSize();
 
 
  enum {
    FILL_SCENE,  // Attempt to fill the entire scene.
    FILL_RECT,   // Attempt to supply the supplied vtkRectf in Size.
    AXES_TO_RECT // Put the corners of the axes on the vtkRectf in Size.
  };
 
 
  vtkSetMacro(LayoutStrategy, int);
  vtkGetMacro(LayoutStrategy, int);
 
 
  virtual void SetAutoSize(bool isAutoSized)
  {
    this->LayoutStrategy = isAutoSized ? vtkChart::FILL_SCENE :
                                         vtkChart::FILL_RECT;
  }
  virtual bool GetAutoSize()
  {
    return this->LayoutStrategy == vtkChart::FILL_SCENE ? true : false;
  }
 
 
  vtkSetMacro(RenderEmpty, bool);
  vtkGetMacro(RenderEmpty, bool);
 
  virtual void SetActionToButton(int action, int button);
 
  virtual int GetActionToButton(int action);
 
  virtual void SetClickActionToButton(int action, int button);
 
  virtual int GetClickActionToButton(int action);
 
 
  void SetBackgroundBrush(vtkBrush *brush);
  vtkBrush* GetBackgroundBrush();
 
 
  virtual void SetSelectionMode(int);
  vtkGetMacro(SelectionMode, int);
 
protected:
  vtkChart();
  ~vtkChart();
 
 
  bool CalculatePlotTransform(vtkAxis *x, vtkAxis *y,
                              vtkTransform2D *transform);
 
 
  bool CalculateUnscaledPlotTransform(vtkAxis *x, vtkAxis *y,
                                      vtkTransform2D *transform);
 
  void AttachAxisRangeListener(vtkAxis*);
 
  void AxisRangeForwarderCallback(vtkObject*,unsigned long, void*);
 
  vtkAnnotationLink *AnnotationLink;
 
  int Geometry[2];
 
  int Point1[2];
 
  int Point2[2];
 
  bool ShowLegend;
 
  vtkStdString Title;
 
  vtkTextProperty* TitleProperties;
 
  vtkRectf Size;
  // The layout strategy to employ when fitting the chart into the space.
  int LayoutStrategy;
  bool RenderEmpty;
 
  vtkSmartPointer<vtkBrush> BackgroundBrush;
 
  // The mode when the chart is doing selection.
  int SelectionMode;
 
  // How plot selections are handled, SELECTION_ROWS (default) or
  // SELECTION_PLOTS - based on the plot that created the selection.
  int SelectionMethod;
 
 
  class MouseActions
    {
  public:
    MouseActions();
    enum { MaxAction = 5 };
    short& Pan() { return Data[0]; }
    short& Zoom() { return Data[1]; }
    short& ZoomAxis() { return Data[2]; }
    short& Select() { return Data[3]; }
    short& SelectPolygon() { return Data[4]; }
    short& operator[](int index) { return Data[index]; }
    short Data[MaxAction];
    };
  class MouseClickActions
    {
  public:
    MouseClickActions();
    short& Notify() { return Data[0]; }
    short& Select() { return Data[1]; }
    short& operator[](int index) { return Data[index]; }
    short Data[2];
    };
 
  MouseActions Actions;
  MouseClickActions ActionsClick;
 
private:
  vtkChart(const vtkChart &); // Not implemented.
  void operator=(const vtkChart &);   // Not implemented.
};
 
#endif //vtkChart_h