Draws a shadow for a Path representing the given material elevation.
transparentOccluder should be true if the occluding object is not opaque.
Source
void drawShadow(Path path, Color color, double elevation, bool transparentOccluder) { assert(path != null); // path is checked on the engine side assert(color != null); _drawShadow(path, color.value, elevation, transparentOccluder); }