haiku/headers/os/interface/Polygon.h
2014-05-21 16:12:47 -04:00

56 lines
1.4 KiB
C++

/*
* Copyright 2001-2009, Haiku, Inc. All rights reserved.
* Distributed under the terms of the MIT License.
*/
#ifndef _POLYGON_H
#define _POLYGON_H
#include <InterfaceDefs.h>
#include <Rect.h>
//namespace BPrivate { class BAffineTransform; }
//using namespace BPrivate;
class BPolygon {
public:
BPolygon(const BPoint* points, int32 count);
BPolygon(const BPolygon& other);
BPolygon(const BPolygon* other);
BPolygon();
virtual ~BPolygon();
BPolygon& operator=(const BPolygon& other);
BRect Frame() const;
void AddPoints(const BPoint* points, int32 count);
int32 CountPoints() const;
void MapTo(BRect source, BRect destination);
void PrintToStream() const;
// void TransformBy(const BAffineTransform& transform);
// BPolygon& TransformBySelf(
// const BAffineTransform& transform);
// BPolygon TransformByCopy(
// const BAffineTransform& transform) const;
private:
friend class BView;
bool _AddPoints(const BPoint* points, int32 count,
bool computeBounds);
void _ComputeBounds();
void _MapPoint(BPoint* point, const BRect& source,
const BRect& destination);
void _MapRectangle(BRect* rect, const BRect& source,
const BRect& destination);
private:
BRect fBounds;
uint32 fCount;
BPoint* fPoints;
};
#endif // _POLYGON_H