hexagram/include/hexagram/thermo.h

#ifndef _HEXAGRAM_THERMO_H
#define _HEXAGRAM_THERMO_H

#include <cairo.h>

#include <hexagram/gauge.h>

typedef struct _hexagram_thermo {
    hexagram_gauge gauge;
    double redline;
} hexagram_thermo;

void hexagram_thermo_init(hexagram_thermo *thermo,
                          double x,
                          double y,
                          double radius,
                          double redline);

void hexagram_thermo_draw_face(hexagram_thermo *thermo,
                               cairo_t *cr);

void hexagram_thermo_draw_needle(hexagram_thermo *thermo,
                                 cairo_t *cr,
                                 double temp);

#endif /* _HEXAGRAM_THERMO_H */