/*
 * Copyright 2009, Ingo Weinhold, ingo_weinhold@gmx.de.
 * Distributed under the terms of the MIT License.
 */
#ifndef STRING_CHART_LEGEND_H
#define STRING_CHART_LEGEND_H

#include <Font.h>
#include <String.h>

#include "chart/ChartLegend.h"


class StringChartLegend : public ChartLegend {
public:
                                                                StringChartLegend(const char* string,
                                                                        int32 level = 0);

                        const char*                     String() const  { return fString.String(); }

private:
                        BString                         fString;
};


class StringChartLegendRenderer : public ChartLegendRenderer {
public:
                                                                StringChartLegendRenderer();
                                                                StringChartLegendRenderer(const BFont& font);

        virtual void                            GetMinimumLegendSpacing(BView* view,
                                                                        float* horizontal, float* vertical);

        virtual BSize                           LegendSize(ChartLegend* legend,
                                                                        BView* view);
        virtual void                            RenderLegend(ChartLegend* legend, BView* view,
                                                                        BPoint point);

private:
                        void                            _Init();

private:
                        BFont                           fFont;
                        float                           fFontAscent;
                        float                           fFontHeight;
                        float                           fEmWidth;
};


#endif  // STRING_CHART_LEGEND_H