c_graphene_matrix_untransform_point

Undocumented in source but is binding to C. You might be able to learn more by searching the web for its name.
__gshared extern (C)
int function(graphene_matrix_t* m, graphene_point_t* p, graphene_rect_t* bounds, graphene_point_t* res) c_graphene_matrix_untransform_point;

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