* Copyright 2003-2014 Haiku, Inc. All rights reserved.
* Distributed under the terms of the MIT License.
*/
#ifndef _REGION_H
#define _REGION_H
#include <Rect.h>
namespace BPrivate {
class ServerLink;
class LinkReceiver;
};
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 rect);
void Set(clipping_rect clipping);
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 ScaleBy(BSize scale);
void ScaleBy(float x, float 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
