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#ifndef GRAPH2D_H
#ifdef HAVE_CONFIG_H
#include "config.H"
#endif
#ifdef __GNUC__
# pragma interface
#endif
typedef double greal;
typedef double real;
enum {Ncolors=256, max_selected_xticks=100};
enum TMinorTicks {MINORTICKS_FALSE, MINORTICKS_TRUE, MINORTICKS_AUTO};
extern greal selected_xticks[max_selected_xticks];
extern greal selected_xticks_uvalues[max_selected_xticks];
extern int N_selected_xticks;
inline int limit(int x, int a, int b)
{
if (x < a) return a;
if (x > b) return b;
return x;
}
class Tgraph2D {
public:
enum TFontType {FONT_AXISLABEL, FONT_ANNOTATION, FONT_TOPLABEL, FONT_SIDELABEL, FONT_COPYRIGHT};
enum TLineType {LINE_NONE, LINE_SOLID,
LINE_DOTTED, LINE_DASHED, LINE_DOTDASHED,
LINE_GRIDDOTTED};
enum TPaletteType {PALETTE_RAINBOW, PALETTE_GRAYSCALE};
protected:
TLineType linetype_set;
public:
Tgraph2D() :linetype_set(LINE_SOLID) {}
virtual void begin_line(greal x, greal y) = 0;
virtual void vertex(greal x1, greal y1) = 0;
virtual void end_line() = 0;
virtual void begin_fill(greal x, greal y) = 0;
virtual void end_fill() = 0;
virtual bool polygons_always_convex() const = 0;
virtual void point(greal x, greal y) = 0;
virtual void circle(greal x, greal y, greal r) = 0;
virtual void fillcircle(greal x, greal y, greal r) = 0;
virtual void text(greal x, greal y, const char *s, int Xoffset, int Yoffset, bool rotate=false) = 0;
virtual void text_exponent(greal x, greal y, const char *mant, const char *expo, int Xoffset, int Yoffset) = 0;
virtual void comment(greal x, greal y) = 0;
virtual void comment(const char *s) = 0;
virtual void setfont(TFontType) = 0;
virtual void setlinewidth(greal lw) = 0;
virtual void setlinetype(TLineType) = 0;
virtual void setcolor(const greal rgb[3]) = 0;
virtual void setcolor(int) = 0; // indexed color, can use after calling setpalette only
virtual void begin_clipped(greal x1, greal y1, greal x2, greal y2) = 0;
virtual void end_clipped() = 0;
virtual void fillrrect(greal x1, greal y1, greal dx, greal dy) = 0;
virtual void fillrrect_interp(greal x1, greal y1, greal dx, greal dy, int u1, int u2, int u3, int u4) = 0;
virtual void setpalette(const int [3][Ncolors]) = 0;
virtual void gsave() = 0;
virtual void grestore() = 0;
void setpalette(TPaletteType p);
TLineType getlinetype() const {return linetype_set;}
void line(greal x1, greal y1, greal x2, greal y2) {begin_line(x1,y1); vertex(x2,y2); end_line();}
void rect(greal x1, greal y1, greal x2, greal y2);
void rrect(greal x1, greal y1, greal dx, greal dy) {rect(x1,y1,x1+dx,y1+dy);}
void curve(int n, const real x[], const real y[],
greal x1, greal y1, greal x2, greal y2, // rect where to draw
greal xmin, greal xmax, greal ymin, greal ymax, // wanted min,max of x,y
int markertype, greal markersize
);
void filledcurve(int n, const real x[], const real y[],
greal x1, greal y1, greal x2, greal y2, // rect where to draw
greal xmin, greal xmax, greal ymin, greal ymax // wanted min,max of x,y
);
void pcolor(int nx, const real x[], // x-vector, length nx
int ny, const real y[], // y-vector, length ny
const real z[], // z-matrix, size nx x ny
greal zmin, greal zmax, // found (or set) min,max of z-matrix
greal x1, greal y1, greal x2, greal y2, // rect where to draw
greal xmin, greal xmax, greal ymin, greal ymax, // wanted min,max of x,y
bool interp, bool ghosts_only=false
);
void axis(greal x1, greal y1,
greal x2, greal y2,
greal dx, greal dy,
bool logaxis,
real u1, real u2,
bool include_label, bool houraxis,
TMinorTicks include_finer=MINORTICKS_AUTO);
int DrawAxis1(greal x1, greal y1,
greal x2, greal y2,
greal dx, greal dy,
bool logaxis,
real u1, real u2,
int level,
bool labels, bool houraxis, bool actually_draw);
void mark(greal x, greal y, int type, greal size);
virtual ~Tgraph2D() {}
};
#define GRAPH2D_H
#endif
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