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pybricks/parameters/pb_type_color: add distance method #217

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pybricks/parameters/pb_type_color: add distance method #217

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18 changes: 17 additions & 1 deletion pybricks/parameters/pb_type_color.c
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Original file line number Diff line number Diff line change
Expand Up @@ -217,6 +217,7 @@ STATIC void pb_type_Color_attr(mp_obj_t self_in, qstr attr, mp_obj_t *dest) {
default:
break;
}
dest[1] = MP_OBJ_SENTINEL;
return;
}

Expand Down Expand Up @@ -307,6 +308,20 @@ STATIC mp_obj_t pb_type_Color_call(mp_obj_t self_in, size_t n_args, size_t n_kw,
return pb_type_Color_make_new_helper(pb_obj_get_int(h_in), pb_obj_get_int(s_in), pb_obj_get_int(v_in));
}

STATIC mp_obj_t pb_type_Color_get_distance(mp_obj_t self_in, mp_obj_t other_in) {
const pbio_color_hsv_t *self = pb_type_Color_get_hsv(self_in);
const pbio_color_hsv_t *other = pb_type_Color_get_hsv(other_in);
return mp_obj_new_int(pbio_color_get_bicone_squared_distance(self, other));
}

STATIC MP_DEFINE_CONST_FUN_OBJ_2(get_distance_obj, pb_type_Color_get_distance);

STATIC const mp_rom_map_elem_t pb_type_Color_locals_dict_table[] = {
{ MP_ROM_QSTR(MP_QSTR_distance), MP_ROM_PTR(&get_distance_obj)},
};

STATIC MP_DEFINE_CONST_DICT(pb_type_Color_locals_dict, pb_type_Color_locals_dict_table);

MP_DEFINE_CONST_OBJ_TYPE(pb_type_Color,
MP_QSTR_Color,
MP_TYPE_FLAG_ITER_IS_GETITER,
Expand All @@ -316,7 +331,8 @@ MP_DEFINE_CONST_OBJ_TYPE(pb_type_Color,
unary_op, mp_generic_unary_op,
binary_op, pb_type_Color_binary_op,
subscr, pb_type_Color_subscr,
iter, pb_type_Color_getiter);
iter, pb_type_Color_getiter,
locals_dict, &pb_type_Color_locals_dict);

// We expose an instance instead of the type. This lets us provide class
// attributes via the attribute handler for more flexibility.
Expand Down