/* * Copyright 2003-2014 Haiku, Inc. All rights reserved. * Distributed under the terms of the MIT License. */ #ifndef _REGION_H #define _REGION_H #include namespace BPrivate { class ServerLink; class LinkReceiver; }; /* Integer rect used to define a clipping rectangle. All bounds are inclusive. */ /* Moved from DirectWindow.h */ typedef struct { int32 left; int32 top; int32 right; int32 bottom; } clipping_rect; class BRegion { public: BRegion(); BRegion(const BRegion& other); BRegion(const BRect rect); virtual ~BRegion(); BRegion& operator=(const BRegion& other); bool operator==(const BRegion& other) const; void Set(BRect newBounds); void Set(clipping_rect newBounds); BRect Frame() const; clipping_rect FrameInt() const; BRect RectAt(int32 index); BRect RectAt(int32 index) const; clipping_rect RectAtInt(int32 index); clipping_rect RectAtInt(int32 index) const; int32 CountRects(); int32 CountRects() const; bool Intersects(BRect rect) const; bool Intersects(clipping_rect clipping) const; bool Contains(BPoint point) const; bool Contains(int32 x, int32 y); bool Contains(int32 x, int32 y) const; void PrintToStream() const; void OffsetBy(const BPoint& point); void OffsetBy(int32 x, int32 y); void MakeEmpty(); void Include(BRect rect); void Include(clipping_rect clipping); void Include(const BRegion* region); void Exclude(BRect rect); void Exclude(clipping_rect clipping); void Exclude(const BRegion* region); void IntersectWith(const BRegion* region); void ExclusiveInclude(const BRegion* region); private: friend class BDirectWindow; friend class BPrivate::ServerLink; friend class BPrivate::LinkReceiver; class Support; friend class Support; private: BRegion(const clipping_rect& clipping); void _AdoptRegionData(BRegion& region); bool _SetSize(int32 newSize); clipping_rect _Convert(const BRect& rect) const; clipping_rect _ConvertToInternal(const BRect& rect) const; clipping_rect _ConvertToInternal( const clipping_rect& rect) const; private: int32 fCount; int32 fDataSize; clipping_rect fBounds; clipping_rect* fData; }; #endif // _REGION_H