cairoPaintWithAlpha          package:RGtk2          R Documentation

_c_a_i_r_o_P_a_i_n_t_W_i_t_h_A_l_p_h_a

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

     A drawing operator that paints the current source everywhere
     within the current clip region using a mask of constant alpha
     value 'alpha'. The effect is similar to 'cairoPaint', but the
     drawing is faded out using the alpha value.

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

     cairoPaintWithAlpha(cr, alpha)

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

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

 'alpha': [numeric]  alpha value, between 0 (transparent) and 1
          (opaque)

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

     Derived by RGtkGen from GTK+ documentation

