55         inline region(const region& rhs)   in region()
56             : rects(rhs.rects), count(rhs.count), dx(rhs.dx), dy(rhs.dy) { }  in region()
70     inline region_operator(uint32_t op, const region& lhs, const region& rhs)  in region_operator()  argument
71         : op_mask(op), spanner(lhs, rhs)   in region_operator()
78             SpannerInner spannerInner(spanner.lhs, spanner.rhs);  in operator()
163         region rhs;  variable
167         : lhs(_lhs), rhs(_rhs)  in Spanner()
173             if (rhs.count) {  in Spanner()
174                 SpannerBase::rhs_head = rhs.rects->top      + rhs.dy;  in Spanner()
175                 SpannerBase::rhs_tail = rhs.rects->bottom   + rhs.dy;  in Spanner()
180             return !rhs.count && !lhs.count;  in isDone()
192                 advance(rhs, SpannerBase::rhs_head, SpannerBase::rhs_tail);  in next()
224         region rhs;  variable
228             : lhs(_lhs), rhs(_rhs)  in SpannerInner()
243                 if (rhs.count) {  in prepare()
244                     SpannerBase::rhs_head = rhs.rects->left  + rhs.dx;  in prepare()
245                     SpannerBase::rhs_tail = rhs.rects->right + rhs.dx;  in prepare()
252                 if (rhs.count) {  in prepare()
253                     SpannerBase::rhs_head = rhs.rects->left  + rhs.dx;  in prepare()
254                     SpannerBase::rhs_tail = rhs.rects->right + rhs.dx;  in prepare()
273                 advance(rhs, SpannerBase::rhs_head, SpannerBase::rhs_tail);  in next()