+/*----------------------------------------------------------------------*/
+/* GLOBAL VARIABLES */
+/*----------------------------------------------------------------------*/
+
+/* axis definitions */
+#define LINEAR 1 /* linear axis */
+#define LOG 2 /* logrithmic axis */
+#define NOAXIS 3 /* don't plot axis */
+
+/* tick definitions */
+#define ABOVE 1
+#define BELOW 2
+#define RIGHT 4
+#define LEFT 8
+
+/* line types */
+#define NOLINE 0
+#define SOLID 1
+#define DASH 2
+#define DASH1 10
+#define DASH2 11
+#define DASH3 12
+#define DASH4 13
+
+/* symbol definitions */
+#define SB_CROSS 1
+#define SB_PLUS 2
+#define SB_BOX 3
+#define SB_CIRCLE 4
+#define SB_ERRORBAR 5
+#define MAXSYMBOL 5
+
+#define INSIDE 1 /* values of o_legendbox */
+#define OUTSIDE 2
+#define NOLEGEND 3
+
+/*-----------------------------------------------------------------------------
+ * GLOBAL VARIABLES
+ *
+ * Naming Convention:
+ * i_ Internal variable
+ * Not user changable
+ * o_ Option variable
+ * Normal variable that is user modifiable
+ * These variables must always have a valid value
+ * d_ Device variable
+ * Variables controlling devices
+ * clr_ Color variable
+ * Holds a color value
+ * c_ Character string variable
+ * Contains a character string
+ * v_ Value variable
+ * User modifiable variable associated with the set variable (s_)
+ * These variables do not always have a valid value
+ * These variables change assumption EZPLOT makes about the plot
+ * s_ Set variable.
+ * TRUE if associated value variable (v_) has been set by the user
+ *---------------------------------------------------------------------------*/
+
+#include <vector>
+using namespace std;
+
+typedef vector<EZPlotCurve*>::iterator EZPlotCurveIterator;
+typedef vector<EZPlotCurve*>::const_iterator EZPlotCurveConstIterator;
+
+class SGP;
+class EZPlot {
+ private:
+ vector<class EZPlotCurve*> m_vecCurves;
+
+ // Colors
+ int clr_axis; /* color of all axis lines */
+ int clr_title; /* color of main title */
+ int clr_label; /* color of axis labels */
+ int clr_legend; /* color of legend box */
+ int clr_grid; /* color of grid lines */
+ int clr_number; /* color of axis number labels */
+
+ // Options
+ double o_xporigin, o_yporigin; /* origin of plot frame in NDC */
+ double o_xlength, o_ylength; /* length of plot frame in NDC */
+
+ string c_xlabel; /* label for x axis */
+ string c_ylabel; /* label for y axis */
+ string c_title; /* title to print above graph */
+ string c_legend;; /* current legend specified */
+
+ int o_linestyle, o_color; /* style to use for curves all subsequent curves to EZPLOT */
+ bool o_xaxis, o_yaxis; /* Specifies where axis & labels are drawn */
+ bool o_grid; /* Flag to draw a grid at major ticks */
+ bool o_box; /* Flag to draw a box around the graph */
+
+ int o_xticks, o_yticks; /* direction to draw tick marks */
+ bool o_xtlabel, o_ytlabel; /* TRUE if label tick marks */
+
+ int o_xmajortick, o_ymajortick; /* number of major ticks to draw */
+ int o_xminortick, o_yminortick; /* number of minor ticks between major ticks */
+
+ int o_symbol; /* Symbol type, (0 = no symbol) */
+ int o_symfreq; /* frequency to draw symbols at curve points */
+
+ int o_legendbox; /* controls whether legend is inside or outside of the axis extents */
+ int o_tag; /* controls whether to draw tag at end of axes */
+
+ // VALUE & SET variables
+ double v_xmin, v_xmax, v_ymin, v_ymax; /* user supplied axis endpoints */
+ bool s_xmin, s_xmax, s_ymin, s_ymax; /* TRUE is endpoint has been set */
+ double v_xtitle, v_ytitle; /* NDC position to plot title */
+ bool s_xtitle, s_ytitle; /* TRUE if set position for title */
+ double v_xcross, v_ycross; /* position that axes cross */
+ bool s_xcross, s_ycross; /* TRUE if set axes cross position */
+ double v_xlegend, v_ylegend; /* upper-left position of legend box in NDC */
+ bool s_xlegend, s_ylegend; /* TRUE if set position of legend box */
+ int v_lxfrac, v_lyfrac; /* number of digits to right of decimal place */
+ bool s_lxfrac, s_lyfrac; /* TRUE if set number of fractional digits */
+ double v_textsize; /* size of text in NDC */
+ bool s_textsize; /* TRUE if user set size of text */
+
+ // Global variables
+ double charheight; /* Height of characters in NDC */
+ double charwidth; /* Height of characters in NDC */
+ double xp_min, xp_max, yp_min, yp_max; /* boundry of plot frame in NDC */
+ double xa_min, xa_max, ya_min, ya_max; /* extent of axes in NDC */
+ double xgw_min, xgw_max, ygw_min, ygw_max; /* boundary of graph in input coords */
+ double xgn_min, xgn_max, ygn_min, ygn_max; /* boundy of graph in NDC */
+ double xt_min, xt_max, yt_min, yt_max; /* boundary of axis ticks */
+ double xl_min, xl_max, yl_min, yl_max; /* boundary of legend box */
+ double title_row; /* y-coord of title row */
+ double xtl_ofs; /* Offset y-coord of x tick labels from axis */
+ double ytl_ofs; /* Offset x-coord of y tick labels from axis */
+ double xlbl_row; /* row of x label in world coord */
+ double ylbl_col; /* column of y label in world coord */
+ double xw_tickinc, yw_tickinc; /* increment between major ticks in WC */
+ double xn_tickinc, yn_tickinc; /* increment between major ticks in NDC */
+ int x_nint, y_nint; /* number of intervals along x & y axes */
+ int x_fldwid, x_frac; /* numeric field sizes & number of digits */
+ int y_fldwid, y_frac; /* in fraction of number, used for printf() */
+ double xtl_wid, ytl_wid; /* length of ticks labels in NDC */
+ double tl_height; /* height of tick labels in NDC */
+ char x_numfmt[20]; /* format to print x tick labels */
+ char y_numfmt[20]; /* format to print y tick labels */
+
+ void drawAxes(void);
+ void symbol (int sym, double symwidth, double symheight);
+ void make_numfmt(char *fmtstr, int *fldwid, int *nfrac, double min, double max, int nint);
+ int axis_scale (double min, double max, int nint, double *minp, double *maxp, int *nintp);
+
+ SGP& rSGP;
+
+ void clearCurves ();
+
+ bool ezcmd (char *comm);
+ int do_cmd(int lx);
+ void bad_option(char *opt);
+ void initPlotSettings();
+
+ static void initkw(void);
+
+ static bool ezset_initialized;
+
+ public:
+ EZPlot (SGP& sgp);
+ ~EZPlot ();
+
+ int ezset (char *command);
+
+ void addCurve (const float* x, const double* y, int num);
+ void addCurve (const double* x, const float* y, int num);
+ void addCurve (const double* x, const double* y, int num);
+ void addCurve (const double* y, int n);
+
+ void plot ();
+};