cairo-Transformations         package:RGtk2         R Documentation

_T_r_a_n_s_f_o_r_m_a_t_i_o_n_s

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

     Manipulating the current transformation matrix

_M_e_t_h_o_d_s _a_n_d _F_u_n_c_t_i_o_n_s:

     'cairoTranslate(cr, tx, ty)'
      'cairoScale(cr, sx, sy)'
      'cairoRotate(cr, angle)'
      'cairoTransform(cr, matrix)'
      'cairoSetMatrix(cr, matrix)'
      'cairoGetMatrix(cr, matrix)'
      'cairoIdentityMatrix(cr)'
      'cairoUserToDevice(cr, x, y)'
      'cairoUserToDeviceDistance(cr, dx, dy)'
      'cairoDeviceToUser(cr, x, y)'
      'cairoDeviceToUserDistance(cr, dx, dy)'

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

     The current transformation matrix, ctm, is a two-dimensional
     affine transformation that maps all coordinates and other drawing
     instruments from the user space into the surface's canonical
     coordinate system, also known as the device space.

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

     Derived by RGtkGen from GTK+ documentation

_R_e_f_e_r_e_n_c_e_s:

     <URL:
     http://www.cairographics.org/manual/cairo-Transformations.html>

