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Main Page Class Hierarchy Alphabetical List Compound List File List Compound Members
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00001 /******************************************************************************** 00002 * * 00003 * C l i p p i n g R e g i o n * 00004 * * 00005 ********************************************************************************* 00006 * Copyright (C) 2000,2006 by Jeroen van der Zijp. All Rights Reserved. * 00007 ********************************************************************************* 00008 * This library is free software; you can redistribute it and/or * 00009 * modify it under the terms of the GNU Lesser General Public * 00010 * License as published by the Free Software Foundation; either * 00011 * version 2.1 of the License, or (at your option) any later version. * 00012 * * 00013 * This library is distributed in the hope that it will be useful, * 00014 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 00015 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * 00016 * Lesser General Public License for more details. * 00017 * * 00018 * You should have received a copy of the GNU Lesser General Public * 00019 * License along with this library; if not, write to the Free Software * 00020 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. * 00021 ********************************************************************************* 00022 * $Id: FXRegion.h,v 1.20 2006/01/22 17:58:08 fox Exp $ * 00023 ********************************************************************************/ 00024 #ifndef FXREGION_H 00025 #define FXREGION_H 00026 00027 namespace FX { 00028 00029 /// Region 00030 class FXAPI FXRegion { 00031 friend class FXDC; 00032 friend class FXDCWindow; 00033 friend class FXWindow; 00034 private: 00035 void *region; 00036 public: 00037 00038 /// Construct new empty region 00039 FXRegion(); 00040 00041 /// Construct new region copied from region r 00042 FXRegion(const FXRegion& r); 00043 00044 /// Construct new region from rectangle rect 00045 FXRegion(const FXRectangle& rect); 00046 00047 /// Construct rectangle region 00048 FXRegion(FXint x,FXint y,FXint w,FXint h); 00049 00050 /// Construct polygon region 00051 FXRegion(const FXPoint* points,FXuint npoints,bool winding=false); 00052 00053 /// Assign region r to this one 00054 FXRegion &operator=(const FXRegion& r); 00055 00056 /// Return true if region is empty 00057 bool empty() const; 00058 00059 /// Return true if region contains point 00060 bool contains(FXint x,FXint y) const; 00061 00062 /// Return true if region contains rectangle 00063 bool contains(FXint x,FXint y,FXint w,FXint h) const; 00064 00065 /// Return bounding box 00066 FXRectangle bounds() const; 00067 00068 /// Offset region by dx,dy 00069 FXRegion& offset(FXint dx,FXint dy); 00070 00071 /// Return true if region equal to this one 00072 bool operator==(const FXRegion& r) const; 00073 00074 /// Return true if region not equal to this one 00075 bool operator!=(const FXRegion& r) const; 00076 00077 /// Union region r with this one 00078 FXRegion& operator+=(const FXRegion& r); 00079 00080 /// Intersect region r with this one 00081 FXRegion& operator*=(const FXRegion& r); 00082 00083 /// Subtract region r from this one 00084 FXRegion& operator-=(const FXRegion& r); 00085 00086 /// Xor region r with this one 00087 FXRegion& operator^=(const FXRegion& r); 00088 00089 /// Union of this region and region r 00090 FXRegion operator+(const FXRegion& r) const; 00091 00092 /// Intersection of this region and region r 00093 FXRegion operator*(const FXRegion& r) const; 00094 00095 /// Subtract region r from this region 00096 FXRegion operator-(const FXRegion& r) const; 00097 00098 /// Xor of this region and region r 00099 FXRegion operator^(const FXRegion& r) const; 00100 00101 /// Reset region to empty 00102 void reset(); 00103 00104 /// Destroy region 00105 ~FXRegion(); 00106 }; 00107 00108 } 00109 00110 #endif
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Copyright © 1997-2005 Jeroen van der Zijp
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