haiku/headers/os/interface/Polygon.h
jrand be1c65218b Adding implementation provided by Marc Flerackers.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@1543 a95241bf-73f2-0310-859d-f6bbb57e9c96
2002-10-16 04:29:31 +00:00

85 lines
2.9 KiB
C++

//------------------------------------------------------------------------------
// Copyright (c) 2001-2002, OpenBeOS
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//
// File Name: Polygon.h
// Author: Marc Flerackers (mflerackers@androme.be)
// Description: BPolygon represents a n-sided area.
//------------------------------------------------------------------------------
#ifndef _POLYGON_H
#define _POLYGON_H
// Standard Includes -----------------------------------------------------------
// System Includes -------------------------------------------------------------
#include <BeBuild.h>
#include <InterfaceDefs.h>
#include <Rect.h>
// Project Includes ------------------------------------------------------------
// Local Includes --------------------------------------------------------------
// Local Defines ---------------------------------------------------------------
// Globals ---------------------------------------------------------------------
// BPolygon class --------------------------------------------------------------
class BPolygon {
public:
BPolygon(const BPoint *ptArray, int32 numPoints);
BPolygon();
BPolygon(const BPolygon *poly);
virtual ~BPolygon();
BPolygon &operator=(const BPolygon &from);
BRect Frame() const;
void AddPoints(const BPoint *ptArray, int32 numPoints);
int32 CountPoints() const;
void MapTo(BRect srcRect, BRect dstRect);
void PrintToStream() const;
private:
friend class BView;
void compute_bounds();
void map_pt(BPoint *point, BRect srcRect, BRect dstRect);
void map_rect(BRect *rect, BRect srcRect, BRect dstRect);
BRect fBounds;
int32 fCount;
BPoint *fPts;
};
//------------------------------------------------------------------------------
#endif // _POLYGON_H_
/*
* $Log $
*
* $Id $
*
*/