1 //------------------------------------------------------------------------------ 2 // Copyright (c) 2001-2002, OpenBeOS 3 // 4 // Permission is hereby granted, free of charge, to any person obtaining a 5 // copy of this software and associated documentation files (the "Software"), 6 // to deal in the Software without restriction, including without limitation 7 // the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 // and/or sell copies of the Software, and to permit persons to whom the 9 // Software is furnished to do so, subject to the following conditions: 10 // 11 // The above copyright notice and this permission notice shall be included in 12 // all copies or substantial portions of the Software. 13 // 14 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 17 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 18 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 19 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 20 // DEALINGS IN THE SOFTWARE. 21 // 22 // File Name: Polygon.h 23 // Author: Marc Flerackers (mflerackers@androme.be) 24 // Description: BPolygon represents a n-sided area. 25 //------------------------------------------------------------------------------ 26 27 #ifndef _POLYGON_H 28 #define _POLYGON_H 29 30 // Standard Includes ----------------------------------------------------------- 31 32 // System Includes ------------------------------------------------------------- 33 #include <BeBuild.h> 34 #include <InterfaceDefs.h> 35 #include <Rect.h> 36 37 // Project Includes ------------------------------------------------------------ 38 39 // Local Includes -------------------------------------------------------------- 40 41 // Local Defines --------------------------------------------------------------- 42 43 // Globals --------------------------------------------------------------------- 44 45 // BPolygon class -------------------------------------------------------------- 46 class BPolygon { 47 48 public: 49 BPolygon(const BPoint *ptArray, int32 numPoints); 50 BPolygon(); 51 BPolygon(const BPolygon *poly); 52 virtual ~BPolygon(); 53 54 BPolygon &operator=(const BPolygon &from); 55 56 BRect Frame() const; 57 void AddPoints(const BPoint *ptArray, int32 numPoints); 58 int32 CountPoints() const; 59 void MapTo(BRect srcRect, BRect dstRect); 60 void PrintToStream() const; 61 62 private: 63 64 friend class BView; 65 66 void compute_bounds(); 67 void map_pt(BPoint *point, BRect srcRect, BRect dstRect); 68 void map_rect(BRect *rect, BRect srcRect, BRect dstRect); 69 70 BRect fBounds; 71 int32 fCount; 72 BPoint *fPts; 73 }; 74 //------------------------------------------------------------------------------ 75 76 #endif // _POLYGON_H_ 77 78 /* 79 * $Log $ 80 * 81 * $Id $ 82 * 83 */ 84 85