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25 #ifndef __SYNFIG_SPIRALGRADIENT_H
26 #define __SYNFIG_SPIRALGRADIENT_H
43 using namespace synfig;
63 Color color_func(
const Point &x,
float supersample=0)
const;
65 float calc_supersample(
const Point &x,
float pw,
float ph)
const;
81 virtual Vocab get_param_vocab()
const;