SetCenter
BGradientConic::SetCenter(const BPoint& center)
BGradientConic::SetCenter(float cx, float cy)
BGradientDiamond::SetCenter(const BPoint& center)
BGradientDiamond::SetCenter(float cx, float cy)
BGradientRadial::SetCenter(const BPoint& center)
BGradientRadial::SetCenter(float cx, float cy)
BGradientRadialFocus::SetCenter(const BPoint& center)
BGradientRadialFocus::SetCenter(float cx, float cy)