cpattern:LineTo(x, y)
x, y) in pattern-space coordinates.
If there is no current point before the call to
cpattern:LineTo() this function will behave as
cpattern:MoveTo() with the arguments x and y.
After this call the current point will be (x, y).
Note: If the pattern is not a mesh pattern then it will be put
into an error status with a status of
#CAIRO_STATUS_PATTERN_TYPE_MISMATCH. If the pattern has no current
patch or the current patch already has 4 sides, it will be
put into an error status with a status of
#CAIRO_STATUS_INVALID_MESH_CONSTRUCTION.