=
"Class hierarchy: :class:`freestyle.types.StrokeShader` > :class:`IncreasingThicknessShader`\n"
"\n"
"[Thickness shader]\n"
"\n"
".. method:: __init__(thickness_A, thickness_B)\n"
"\n"
" Builds an IncreasingThicknessShader object.\n"
"\n"
" :arg thickness_A: The first thickness value.\n"
" :type thickness_A: float\n"
" :arg thickness_B: The second thickness value.\n"
" :type thickness_B: float\n"
"\n"
".. method:: shade(stroke)\n"
"\n"
" Assigns thicknesses values such as the thickness increases from a\n"
" thickness value A to a thickness value B between the first vertex\n"
" to the midpoint vertex and then decreases from B to a A between\n"
" this midpoint vertex and the last vertex. The thickness is\n"
" linearly interpolated from A to B.\n"
"\n"
" :arg stroke: A Stroke object.\n"
" :type stroke: :class:`freestyle.types.Stroke`\n"