422     Rect* head;  member in android::Region::rasterizer
428         : bounds(INT_MAX, 0, INT_MIN, 0), storage(reg.mStorage), head(), tail(), cur() {  in rasterizer()
482     if (tail-head == ssize_t(span.size())) {  in flushSpan()
484         Rect const* q = head;  in flushSpan()
499         Rect* r = head;  in flushSpan()
509         head = tail - span.size();  in flushSpan()
651     Region::const_iterator head = dst.begin();  in boolean_operation()  local
655         if (head != tail) {  in boolean_operation()
657                     head->left != it.rect().fLeft ||       in boolean_operation()
658                     head->top != it.rect().fTop ||       in boolean_operation()
659                     head->right != it.rect().fRight ||       in boolean_operation()
660                     head->bottom != it.rect().fBottom  in boolean_operation()
669         head++;  in boolean_operation()
673     if (head != tail) {  in boolean_operation()
848     const_iterator head = begin();  in dump()  local
852             what, this, tail - head);  in dump()
853     while (head != tail) {  in dump()
854         out.appendFormat("    [%3d, %3d, %3d, %3d]\n", head->left, head->top,  in dump()
855                 head->right, head->bottom);  in dump()
856         ++head;  in dump()
862     const_iterator head = begin();  in dump()  local
864     ALOGD("  Region %s (this=%p, count=%" PRIdPTR ")\n", what, this, tail-head);  in dump()
865     while (head != tail) {  in dump()
867                 head->left, head->top, head->right, head->bottom);  in dump()
868         head++;  in dump()