1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/boolanm.h	Thu Mar 20 07:03:58 2014 +0200
     1.3 @@ -0,0 +1,38 @@
     1.4 +#ifndef BOOLANIM_H_
     1.5 +#define BOOLANIM_H_
     1.6 +
     1.7 +class BoolAnim {
     1.8 +private:
     1.9 +	mutable float value;
    1.10 +	mutable float trans_dir;	// transition direction (sign)
    1.11 +	long trans_start;	// transition start time
    1.12 +	long trans_dur;
    1.13 +
    1.14 +	long (*get_msec)();
    1.15 +
    1.16 +	void update(long tm) const;
    1.17 +
    1.18 +public:
    1.19 +	BoolAnim(bool st = false);
    1.20 +
    1.21 +	void set_transition_duration(long dur);
    1.22 +	void set_time_callback(long (*time_func)());
    1.23 +
    1.24 +	void change(bool st);
    1.25 +	void change(bool st, long trans_start);
    1.26 +
    1.27 +	bool get_state() const;
    1.28 +	bool get_state(long tm) const;
    1.29 +
    1.30 +	float get_value() const;
    1.31 +	float get_value(long tm) const;
    1.32 +
    1.33 +	// transition direction (-1, 0, 1)
    1.34 +	float get_dir() const;
    1.35 +	float get_dir(long tm) const;
    1.36 +
    1.37 +	operator bool() const;	// equivalent to get_state
    1.38 +	operator float() const;	// equivalent to get_value
    1.39 +};
    1.40 +
    1.41 +#endif	// BOOLANIM_H_