into an error status with a status of [cairo.types.Status.PatternTypeMismatch]. If point_num is not valid, pattern will be put into an error status with a status of [cairo.types.Status.InvalidIndex]. If pattern has no current patch, pattern will be put into an error status with a status of [cairo.types.Status.InvalidMeshConstruction].
Parameters
pattern | a #cairo_pattern_t |
pointNum | the control point to set the position for |
x | the X coordinate of the control point |
y | the Y coordinate of the control point |