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42 #ifndef AREAALLOCATOR_H
43 #define AREAALLOCATOR_H
45 #include <QtCore/qsize.h>
51 struct QSGAreaAllocatorNode;
52 class Q_DECLARATIVE_EXPORT QSGAreaAllocator
55 QSGAreaAllocator(const QSize &size);
58 QRect allocate(const QSize &size);
59 bool deallocate(const QRect &rect);
60 bool isEmpty() const { return m_root == 0; }
61 QSize size() const { return m_size; }
63 bool allocateInNode(const QSize &size, QPoint &result, const QRect ¤tRect, QSGAreaAllocatorNode *node);
64 bool deallocateInNode(const QPoint &pos, QSGAreaAllocatorNode *node);
65 void mergeNodeWithNeighbors(QSGAreaAllocatorNode *node);
67 QSGAreaAllocatorNode *m_root;