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//---------------------------------------------------------------------------
#ifndef graphH
#define graphH
//---------------------------------------------------------------------------
#include <Classes.hpp>
#include <Controls.hpp>
#include <StdCtrls.hpp>
#include <ExtCtrls.hpp>
class TGraph // graph class
{
private:
TPaintBox *Parent;
int X,Y,Width,Height;
double XCent,YCent,XScale,YScale,XTick,YTick;
double AutoTick(double scale);
double AutoTickTime(double scale);
void DrawBox(void);
void DrawLabel(void);
void DrawGrid(double xt, double yt);
void DrawGridLabel(double xt, double yt);
void RotPoint(TPoint *ps, int n, TPoint pc, int rot, TPoint *pr);
int ClipPoint(TPoint *p0, int area, TPoint *p1);
TPoint p_;
int mark_,size_,rot_;
TColor color_;
public:
int Box,Fit,XGrid,YGrid,XLPos,YLPos,Week;
AnsiString Title,XLabel,YLabel;
TColor Color[3];
TGraph(TPaintBox *parent);
int IsInArea(TPoint &p);
int ToPoint(double x, double y, TPoint &p);
int OnAxis(TPoint p);
AnsiString NumText(double x, double dx);
AnsiString TimeText(double x, double dx);
void ToPos(TPoint p, double &x, double &y);
void SetPos(TPoint p1, TPoint p2);
void GetPos(TPoint &p1, TPoint &p2);
void SetCent(double x, double y);
void GetCent(double &x, double &y);
void SetRight(double x, double y);
void GetRight(double &x, double &y);
void SetScale(double xs, double ys);
void GetScale(double &xs, double &ys);
void SetLim(const double *xl, const double *yl);
void GetLim(double *xl, double *yl);
void SetTick(double xt, double yt);
void GetTick(double &xt, double &yt);
void DrawAxis(int label, int glabel);
void DrawMark(TPoint p, int mark, TColor color, int size, int rot);
void DrawMark(double x, double y, int mark, TColor color, int size, int rot);
void DrawMark(TPoint p, int mark, TColor color, TColor bgcolor, int size,
int rot);
void DrawMark(double x, double y, int mark, TColor color, TColor bgcolor,
int size, int rot);
void DrawMarks(const double *x, const double *y, const TColor *color, int n,
int mark, int size, int rot);
void DrawCircle(TPoint p, TColor color, int rx, int ry, int style);
void DrawCircle(double x, double y, TColor color, double rx, double ry, int style);
void DrawCircles(int label);
void DrawText(double x, double y, AnsiString str, TColor color, int ha,
int va, int rot);
void DrawText(TPoint p, AnsiString str, TColor color, int ha, int va,
int rot);
void DrawText(double x, double y, AnsiString str, TColor color, TColor bgcolor,
int ha, int va, int rot);
void DrawText(TPoint p, AnsiString str, TColor color, TColor bgcolor,
int ha, int va, int rot);
void DrawPoly(TPoint *p, int n, TColor color, int style);
void DrawPoly(double *x, double *y, int n, TColor color, int style);
void DrawPolyline(TPoint *p, int n);
void DrawPatch(TPoint *p, int n, TColor color1, TColor color2, int style);
void DrawPatch(double *x, double *y, int n, TColor color1, TColor color2, int style);
void DrawSkyPlot(TPoint p, TColor color1, TColor color2, int size);
void DrawSkyPlot(double x, double y, TColor color1, TColor color2, double size);
void DrawSkyPlot(TPoint p, TColor color1, TColor color2, TColor bgcolor, int size);
void DrawSkyPlot(double x, double y, TColor color1, TColor color2, TColor bgcolor,
double size);
};
#endif
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