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- /*
- * Copyright 2012 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
- #ifndef SkBBoxHierarchy_DEFINED
- #define SkBBoxHierarchy_DEFINED
- #include "include/core/SkRect.h"
- #include "include/core/SkRefCnt.h"
- #include "include/private/SkTDArray.h"
- /**
- * Interface for a spatial data structure that stores axis-aligned bounding
- * boxes and allows efficient retrieval of intersections with query rectangles.
- */
- class SkBBoxHierarchy : public SkRefCnt {
- public:
- SkBBoxHierarchy() {}
- virtual ~SkBBoxHierarchy() {}
- /**
- * Insert N bounding boxes into the hierarchy.
- */
- virtual void insert(const SkRect[], int N) = 0;
- /**
- * Populate results with the indices of bounding boxes interesecting that query.
- */
- virtual void search(const SkRect& query, SkTDArray<int>* results) const = 0;
- virtual size_t bytesUsed() const = 0;
- // Get the root bound.
- virtual SkRect getRootBound() const = 0;
- private:
- typedef SkRefCnt INHERITED;
- };
- #endif
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