103 lines
2.3 KiB
C++
103 lines
2.3 KiB
C++
/*
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* Copyright 2007, Haiku. All rights reserved.
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* Distributed under the terms of the MIT License.
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*/
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#ifndef _REGION_H
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#define _REGION_H
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#include <BeBuild.h>
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#include <Rect.h>
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namespace BPrivate {
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class ServerLink;
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class LinkReceiver;
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};
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/* Integer rect used to define a clipping rectangle. All bounds are inclusive. */
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/* Moved from DirectWindow.h */
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typedef struct {
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int32 left;
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int32 top;
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int32 right;
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int32 bottom;
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} clipping_rect;
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class BRegion {
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public:
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BRegion();
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BRegion(const BRegion& region);
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BRegion(const BRect rect);
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virtual ~BRegion();
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BRegion& operator=(const BRegion& from);
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bool operator==(const BRegion& other) const;
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void Set(BRect newBounds);
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void Set(clipping_rect newBounds);
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BRect Frame() const;
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clipping_rect FrameInt() const;
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BRect RectAt(int32 index);
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BRect RectAt(int32 index) const;
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clipping_rect RectAtInt(int32 index);
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clipping_rect RectAtInt(int32 index) const;
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int32 CountRects();
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int32 CountRects() const;
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bool Intersects(BRect rect) const;
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bool Intersects(clipping_rect rect) const;
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bool Contains(BPoint point) const;
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bool Contains(int32 x, int32 y);
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bool Contains(int32 x, int32 y) const;
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void PrintToStream() const;
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void OffsetBy(int32 x, int32 y);
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void MakeEmpty();
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void Include(BRect rect);
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void Include(clipping_rect rect);
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void Include(const BRegion* region);
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void Exclude(BRect r);
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void Exclude(clipping_rect r);
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void Exclude(const BRegion* region);
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void IntersectWith(const BRegion* region);
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void ExclusiveInclude(const BRegion* region);
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private:
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friend class BDirectWindow;
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friend class BPrivate::ServerLink;
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friend class BPrivate::LinkReceiver;
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class Support;
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friend class Support;
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private:
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BRegion(const clipping_rect& rect);
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void _AdoptRegionData(BRegion& region);
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bool _SetSize(long newSize);
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clipping_rect _Convert(const BRect& rect) const;
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clipping_rect _ConvertToInternal(const BRect& rect) const;
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clipping_rect _ConvertToInternal(
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const clipping_rect& rect) const;
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private:
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long fCount;
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long fDataSize;
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clipping_rect fBounds;
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clipping_rect* fData;
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};
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#endif // _REGION_H
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