50         RECT const* rects;  member
55             : rects(rhs.rects), count(rhs.count), dx(rhs.dx), dy(rhs.dy) { }  in region()
57             : rects(r), count(c), dx(), dy() { }  in region()
59             : rects(r), count(c), dx(dx), dy(dy) { }  in region()
169                 SpannerBase::lhs_head = lhs.rects->top      + lhs.dy;  in Spanner()
170                 SpannerBase::lhs_tail = lhs.rects->bottom   + lhs.dy;  in Spanner()
173                 SpannerBase::rhs_head = rhs.rects->top      + rhs.dy;  in Spanner()
174                 SpannerBase::rhs_tail = rhs.rects->bottom   + rhs.dy;  in Spanner()
201             RECT const * rects = reg.rects;  in advance()  local
202             RECT const * const end = rects + count;  in advance()
203             const int top = rects->top;  in advance()
204             while (rects != end && rects->top == top) {  in advance()
205                 rects++;  in advance()
208             if (rects != end) {  in advance()
209                 aTop    = rects->top    + reg.dy;  in advance()
210                 aBottom = rects->bottom + reg.dy;  in advance()
215             reg.rects = rects;  in advance()
234                     SpannerBase::lhs_head = lhs.rects->left  + lhs.dx;  in prepare()
235                     SpannerBase::lhs_tail = lhs.rects->right + lhs.dx;  in prepare()
243                     SpannerBase::rhs_head = rhs.rects->left  + rhs.dx;  in prepare()
244                     SpannerBase::rhs_tail = rhs.rects->right + rhs.dx;  in prepare()
248                     SpannerBase::lhs_head = lhs.rects->left  + lhs.dx;  in prepare()
249                     SpannerBase::lhs_tail = lhs.rects->right + lhs.dx;  in prepare()
252                     SpannerBase::rhs_head = rhs.rects->left  + rhs.dx;  in prepare()
253                     SpannerBase::rhs_tail = rhs.rects->right + rhs.dx;  in prepare()
280             if (reg.rects && reg.count) {  in advance()
281                 const int cur_span_top = reg.rects->top;  in advance()
282                 reg.rects++;  in advance()
284                 if (!reg.count || reg.rects->top != cur_span_top) {  in advance()
288                     left  = reg.rects->left  + reg.dx;  in advance()
289                     right = reg.rects->right + reg.dx;  in advance()