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Diffstat (limited to 'common/fltk/FL/Fl_Chart.H')
| -rw-r--r-- | common/fltk/FL/Fl_Chart.H | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/common/fltk/FL/Fl_Chart.H b/common/fltk/FL/Fl_Chart.H new file mode 100644 index 00000000..97bd8eeb --- /dev/null +++ b/common/fltk/FL/Fl_Chart.H @@ -0,0 +1,160 @@ +// +// "$Id: Fl_Chart.H 7981 2010-12-08 23:53:04Z greg.ercolano $" +// +// Forms chart header file for the Fast Light Tool Kit (FLTK). +// +// Copyright 1998-2010 by Bill Spitzak and others. +// +// This library is free software; you can redistribute it and/or +// modify it under the terms of the GNU Library General Public +// License as published by the Free Software Foundation; either +// version 2 of the License, or (at your option) any later version. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +// Library General Public License for more details. +// +// You should have received a copy of the GNU Library General Public +// License along with this library; if not, write to the Free Software +// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 +// USA. +// +// 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: Fl_Chart.H 7981 2010-12-08 23:53:04Z greg.ercolano $". +// |