vtkChartXY.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkChartXY.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 vtkChartXY_h
#define vtkChartXY_h
 
#include "vtkChartsCoreModule.h" // For export macro
#include "vtkChart.h"
#include "vtkSmartPointer.h" // For SP ivars
#include "vtkVector.h" // For vtkVector2f in struct
#include "vtkContextPolygon.h" // For vtkContextPolygon
 
class vtkPlot;
class vtkAxis;
class vtkPlotGrid;
class vtkChartLegend;
class vtkTooltipItem;
class vtkChartXYPrivate; // Private class to keep my STL vector in...
 
class VTKCHARTSCORE_EXPORT vtkChartXY : public vtkChart
{
public:
  vtkTypeMacro(vtkChartXY, vtkChart);
  virtual void PrintSelf(ostream &os, vtkIndent indent);
 
  static vtkChartXY *New();
 
  virtual void Update();
 
  virtual bool Paint(vtkContext2D *painter);
 
  virtual vtkPlot * AddPlot(int type);
 
  virtual vtkIdType AddPlot(vtkPlot* plot);
 
  virtual bool RemovePlot(vtkIdType index);
 
  virtual void ClearPlots();
 
  virtual vtkPlot* GetPlot(vtkIdType index);
 
  virtual vtkIdType GetPlotIndex(vtkPlot*);
 
  vtkIdType RaisePlot(vtkPlot* plot);
 
  virtual vtkIdType StackPlotAbove(vtkPlot* plot, vtkPlot* under);
 
  vtkIdType LowerPlot(vtkPlot* plot);
 
  virtual vtkIdType StackPlotUnder(vtkPlot* plot, vtkPlot* above);
 
  virtual vtkIdType GetNumberOfPlots();
 
  int GetPlotCorner(vtkPlot *plot);
 
  void SetPlotCorner(vtkPlot *plot, int corner);
 
  virtual vtkAxis* GetAxis(int axisIndex);
 
  virtual void SetShowLegend(bool visible);
 
  virtual vtkChartLegend* GetLegend();
 
  virtual void SetTooltip(vtkTooltipItem *tooltip);
 
  virtual vtkTooltipItem* GetTooltip();
 
  virtual vtkIdType GetNumberOfAxes();
 
  virtual void RecalculateBounds();
 
  virtual void SetSelectionMethod(int method);
 
 
  vtkSetMacro(DrawAxesAtOrigin, bool);
  vtkGetMacro(DrawAxesAtOrigin, bool);
  vtkBooleanMacro(DrawAxesAtOrigin, bool);
 
 
  vtkSetMacro(AutoAxes, bool);
  vtkGetMacro(AutoAxes, bool);
  vtkBooleanMacro(AutoAxes, bool);
 
 
  vtkSetMacro(HiddenAxisBorder, int);
  vtkGetMacro(HiddenAxisBorder, int);
 
 
  vtkSetMacro(ForceAxesToBounds, bool);
  vtkGetMacro(ForceAxesToBounds, bool);
  vtkBooleanMacro(ForceAxesToBounds, bool);
 
 
  vtkSetMacro(BarWidthFraction, float);
  vtkGetMacro(BarWidthFraction, float);
 
 
  virtual void SetTooltipInfo(const vtkContextMouseEvent &,
                              const vtkVector2d &,
                              vtkIdType, vtkPlot*,
                              vtkIdType segmentIndex = -1);
 
//BTX
  virtual bool Hit(const vtkContextMouseEvent &mouse);
 
  virtual bool MouseEnterEvent(const vtkContextMouseEvent &mouse);
 
  virtual bool MouseMoveEvent(const vtkContextMouseEvent &mouse);
 
  virtual bool MouseLeaveEvent(const vtkContextMouseEvent &mouse);
 
  virtual bool MouseButtonPressEvent(const vtkContextMouseEvent &mouse);
 
  virtual bool MouseButtonReleaseEvent(const vtkContextMouseEvent &mouse);
 
  virtual bool MouseWheelEvent(const vtkContextMouseEvent &mouse, int delta);
 
 
  virtual bool KeyPressEvent(const vtkContextKeyEvent &key);
//ETX
 
//BTX
protected:
  vtkChartXY();
  ~vtkChartXY();
 
  void RecalculatePlotTransforms();
 
  void RecalculatePlotBounds();
 
  virtual bool UpdateLayout(vtkContext2D* painter);
 
  virtual int GetLegendBorder(vtkContext2D* painter, int axisPosition);
 
  virtual void SetLegendPosition(const vtkRectf& rect);
 
  vtkSmartPointer<vtkChartLegend> Legend;
 
  vtkSmartPointer<vtkTooltipItem> Tooltip;
 
  bool PlotTransformValid;
 
  vtkRectf MouseBox;
 
  bool DrawBox;
 
  vtkContextPolygon SelectionPolygon;
 
  bool DrawSelectionPolygon;
 
  bool DrawNearestPoint;
 
  bool DrawAxesAtOrigin;
 
  bool AutoAxes;
 
  int HiddenAxisBorder;
 
  float BarWidthFraction;
 
  bool LayoutChanged;
 
  bool ForceAxesToBounds;
 
private:
  vtkChartXY(const vtkChartXY &); // Not implemented.
  void operator=(const vtkChartXY &);   // Not implemented.
 
  vtkChartXYPrivate *ChartPrivate; // Private class where I hide my STL containers
 
  void CalculateBarPlots();
 
 
  bool LocatePointInPlots(const vtkContextMouseEvent &mouse,
                          int invokeEvent = -1);
 
  int LocatePointInPlot(const vtkVector2f &position,
                        const vtkVector2f &tolerance, vtkVector2f &plotPos,
                        vtkPlot *plot, vtkIdType &segmentIndex);
 
  bool RemovePlotFromCorners(vtkPlot *plot);
 
  void ZoomInAxes(vtkAxis *x, vtkAxis *y, float *orign, float *max);
 
 
  void TransformBoxOrPolygon(bool polygonMode, vtkTransform2D *transform,
                             const vtkVector2f &mousePosition,
                             vtkVector2f &min, vtkVector2f &max,
                             vtkContextPolygon &polygon);
 
//ETX
};
 
 
struct vtkChartPlotData
{
  vtkStdString SeriesName;
  vtkVector2f Position;
  vtkVector2i ScreenPosition;
  int Index;
};
 
#endif //vtkChartXY_h