HWB               302 ext/gd/libgd/gd.c #define RETURN_HWB(h, w, b) {HWB->H = h; HWB->W = w; HWB->B = b; return HWB;}
HWB               333 ext/gd/libgd/gd.c static HWBType * RGB_to_HWB (RGBType RGB, HWBType * HWB)
HWB               392 ext/gd/libgd/gd.c static RGBType * HWB_to_RGB (HWBType HWB, RGBType * RGB)
HWB               399 ext/gd/libgd/gd.c 	float h = HWB.H, w = HWB.W, b = HWB.B, v, n, f;