Sets the compositing operator to be used for all drawing operations. See cairo_operator_t for details on the semantics of each available compositing operator. The default operator is CAIRO_OPERATOR_OVER. Since 1.0
a compositing operator, specified as a cairo_operator_t
See Implementation
Sets the compositing operator to be used for all drawing operations. See cairo_operator_t for details on the semantics of each available compositing operator. The default operator is CAIRO_OPERATOR_OVER. Since 1.0