ShapeRendererFunc
Function type for rendering attributes of type %PANGO_ATTR_SHAPE with Pango's Cairo renderer.
param
attr
the %PANGO_ATTR_SHAPE to renderparam
doPath
whether only the shape path should be appended to current path of @cr and no filling/stroking done. This will be set to true when called from pango_cairo_layout_path() and pango_cairo_layout_line_path() rendering functions.