ref: 92dedc64c51c4954f209f0871feb5619d7fe223b
dir: /external/fltk/FL/Fl_Chart.H/
// // "$Id$" // // Forms chart header file for the Fast Light Tool Kit (FLTK). // // Copyright 1998-2010 by Bill Spitzak and others. // // This library is free software. Distribution and use rights are outlined in // the file "COPYING" which should have been included with this file. If this // file is missing or damaged, see the license at: // // http://www.fltk.org/COPYING.php // // Please report all bugs and problems on the following page: // // http://www.fltk.org/str.php // /* \file Fl_Chart widget . */ #ifndef Fl_Chart_H #define Fl_Chart_H #ifndef Fl_Widget_H #include "Fl_Widget.H" #endif // values for type() #define FL_BAR_CHART 0 /**< type() for Bar Chart variant */ #define FL_HORBAR_CHART 1 /**< type() for Horizontal Bar Chart variant */ #define FL_LINE_CHART 2 /**< type() for Line Chart variant */ #define FL_FILL_CHART 3 /**< type() for Fill Line Chart variant */ #define FL_SPIKE_CHART 4 /**< type() for Spike Chart variant */ #define FL_PIE_CHART 5 /**< type() for Pie Chart variant */ #define FL_SPECIALPIE_CHART 6 /**< type() for Special Pie Chart variant */ #define FL_FILLED_CHART FL_FILL_CHART /**< for compatibility */ #define FL_CHART_MAX 128 /**< max entries per chart */ #define FL_CHART_LABEL_MAX 18 /**< max label length for entry */ /** For internal use only */ struct FL_CHART_ENTRY { float val; /**< For internal use only. */ unsigned col; /**< For internal use only. */ char str[FL_CHART_LABEL_MAX+1]; /**< For internal use only. */ }; /** \class Fl_Chart \brief Fl_Chart displays simple charts. It is provided for Forms compatibility. \image html charts.png \image latex charts.png "Fl_Chart" width=10cm \todo Refactor Fl_Chart::type() information. The type of an Fl_Chart object can be set using type(uchar t) to: \li \c FL_BAR_CHART: Each sample value is drawn as a vertical bar. \li \c FL_FILLED_CHART: The chart is filled from the bottom of the graph to the sample values. \li \c FL_HORBAR_CHART: Each sample value is drawn as a horizontal bar. \li \c FL_LINE_CHART: The chart is drawn as a polyline with vertices at each sample value. \li \c FL_PIE_CHART: A pie chart is drawn with each sample value being drawn as a proportionate slice in the circle. \li \c FL_SPECIALPIE_CHART: Like \c FL_PIE_CHART, but the first slice is separated from the pie. \li \c FL_SPIKE_CHART: Each sample value is drawn as a vertical line. */ class FL_EXPORT Fl_Chart : public Fl_Widget { int numb; int maxnumb; int sizenumb; FL_CHART_ENTRY *entries; double min,max; uchar autosize_; Fl_Font textfont_; Fl_Fontsize textsize_; Fl_Color textcolor_; protected: void draw(); public: Fl_Chart(int X, int Y, int W, int H, const char *L = 0); ~Fl_Chart(); void clear(); void add(double val, const char *str = 0, unsigned col = 0); void insert(int ind, double val, const char *str = 0, unsigned col = 0); void replace(int ind, double val, const char *str = 0, unsigned col = 0); /** Gets the lower and upper bounds of the chart values. \param[out] a, b are set to lower, upper */ void bounds(double *a,double *b) const {*a = min; *b = max;} void bounds(double a,double b); /** Returns the number of data values in the chart. */ int size() const {return numb;} void size(int W, int H) { Fl_Widget::size(W, H); } /** Gets the maximum number of data values for a chart. */ int maxsize() const {return maxnumb;} void maxsize(int m); /** Gets the chart's text font */ Fl_Font textfont() const {return textfont_;} /** Sets the chart's text font to \p s. */ void textfont(Fl_Font s) {textfont_ = s;} /** Gets the chart's text size */ Fl_Fontsize textsize() const {return textsize_;} /** gets the chart's text size to \p s. */ void textsize(Fl_Fontsize s) {textsize_ = s;} /** Gets the chart's text color */ Fl_Color textcolor() const {return textcolor_;} /** gets the chart's text color to \p n. */ void textcolor(Fl_Color n) {textcolor_ = n;} /** Get whether the chart will automatically adjust the bounds of the chart. \returns non-zero if auto-sizing is enabled and zero if disabled. */ uchar autosize() const {return autosize_;} /** Set whether the chart will automatically adjust the bounds of the chart. \param[in] n non-zero to enable automatic resizing, zero to disable. */ void autosize(uchar n) {autosize_ = n;} }; #endif // // End of "$Id$". //