xylinerenderer.h

// Name:    xylinerenderer.h
// Purpose: xy line renderer declaration.
// Author:    Moskvichev Andrey V.
// Created:    2008/11/07
// Copyright:    (c) 2008-2010 Moskvichev Andrey V.
// Licence:    wxWidgets licence

#ifndef XYLINERENDERER_H_
#define XYLINERENDERER_H_

#include <wx/xy/xyrenderer.h>
#include <wx/art.h>

class WXDLLIMPEXP_FREECHART XYLineRendererBase : public XYRenderer
{
    DECLARE_CLASS(XYLineRendererBase)
public:
    XYLineRendererBase(bool drawSymbols, bool drawLines, int defaultWidth = 2, wxPenStyle defaultStyle = wxPENSTYLE_SOLID);
    virtual ~XYLineRendererBase();

    virtual void SetSerieColour(size_t serie, wxColour *colour);

    virtual wxColour GetSerieColour(size_t serie);

    void SetSeriePen(size_t serie, wxPen *pen);

    wxPen *GetSeriePen(size_t serie);

  virtual void Draw(wxDC &dc, wxRect rc, Axis *horizAxis, Axis *vertAxis, XYDataset *dataset);

    //
    // Renderer
    //
    virtual void DrawLegendSymbol(wxDC &dc, wxRect rcSymbol, size_t serie);

protected:
  virtual void DrawLines(wxDC &dc, wxRect rc, Axis *horizAxis, Axis *vertAxis, XYDataset *dataset) = 0;
  virtual void DrawSymbols(wxDC &dc, wxRect rc, Axis *horizAxis, Axis *vertAxis, XYDataset *dataset);

    bool m_drawSymbols;
    bool m_drawLines;

private:
    PenMap m_seriePens;

    int m_defaultPenWidth;
    wxPenStyle m_defaultPenStyle;
};

class WXDLLIMPEXP_FREECHART XYLineRenderer : public XYLineRendererBase
{
    DECLARE_CLASS(XYLineRenderer)
public:
    XYLineRenderer(bool drawSymbols = false, bool drawLines = true, int defaultWidth = 2, wxPenStyle defaultStyle = wxPENSTYLE_SOLID);
    virtual ~XYLineRenderer();


protected:
  virtual void DrawLines(wxDC &dc, wxRect rc, Axis *horizAxis, Axis *vertAxis, XYDataset *dataset);
};

class WXDLLIMPEXP_FREECHART XYLineStepRenderer : public XYLineRendererBase
{
    DECLARE_CLASS(XYLineStepRenderer)
public:
    XYLineStepRenderer(int defaultWidth = 1, wxPenStyle defaultStyle = wxPENSTYLE_SOLID);
    virtual ~XYLineStepRenderer();


protected:
  virtual void DrawLines(wxDC &dc, wxRect rc, Axis *horizAxis, Axis *vertAxis, XYDataset *dataset);

private:
    size_t GetFirstVisibleIndex(Axis *horizAxis, Axis *vertAxis, XYDataset *dataset, size_t serie);
};

#endif /*XYLINERENDERER_H_*/