cairoMaskSurface            package:RGtk2            R Documentation

_c_a_i_r_o_M_a_s_k_S_u_r_f_a_c_e

_D_e_s_c_r_i_p_t_i_o_n:

     A drawing operator that paints the current source using the alpha
     channel of 'surface' as a mask. (Opaque areas of 'surface' are
     painted with the source, transparent areas are not painted.)

_U_s_a_g_e:

     cairoMaskSurface(cr, surface, surface.x, surface.y)

_A_r_g_u_m_e_n_t_s:

    'cr': ['Cairo']  a cairo context

'surface': ['CairoSurface']  a 'CairoSurface'

'surface.x': [numeric]  X coordinate at which to place the origin of
          'surface'

'surface.y': [numeric]  Y coordinate at which to place the origin of
          'surface'

_A_u_t_h_o_r(_s):

     Derived by RGtkGen from GTK+ documentation

