![]() |
Main Page Class Hierarchy Alphabetical List Compound List File List Compound Members
![]() |
00001 /******************************************************************************** 00002 * * 00003 * C l i p p i n g R e g i o n * 00004 * * 00005 ********************************************************************************* 00006 * Copyright (C) 2000,2009 by Jeroen van der Zijp. All Rights Reserved. * 00007 ********************************************************************************* 00008 * This library is free software; you can redistribute it and/or modify * 00009 * it under the terms of the GNU Lesser General Public License as published by * 00010 * the Free Software Foundation; either version 3 of the License, or * 00011 * (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 * 00016 * GNU Lesser General Public License for more details. * 00017 * * 00018 * You should have received a copy of the GNU Lesser General Public License * 00019 * along with this program. If not, see <http://www.gnu.org/licenses/> * 00020 ********************************************************************************* 00021 * $Id: FXRegion.h,v 1.25 2009/01/06 13:07:26 fox Exp $ * 00022 ********************************************************************************/ 00023 #ifndef FXREGION_H 00024 #define FXREGION_H 00025 00026 namespace FX { 00027 00028 /// Region 00029 class FXAPI FXRegion { 00030 friend class FXDC; 00031 friend class FXDCWindow; 00032 friend class FXWindow; 00033 private: 00034 void *region; 00035 public: 00036 00037 /// Construct new empty region 00038 FXRegion(); 00039 00040 /// Construct new region copied from region r 00041 FXRegion(const FXRegion& r); 00042 00043 /// Construct new region from rectangle rect 00044 FXRegion(const FXRectangle& rect); 00045 00046 /// Construct rectangle region 00047 FXRegion(FXint x,FXint y,FXint w,FXint h); 00048 00049 /// Construct polygon region 00050 FXRegion(const FXPoint* points,FXuint npoints,FXbool winding=false); 00051 00052 /// Assign region r to this one 00053 FXRegion &operator=(const FXRegion& r); 00054 00055 /// Return true if region is empty 00056 FXbool empty() const; 00057 00058 /// Return true if region contains point 00059 FXbool contains(FXint x,FXint y) const; 00060 00061 /// Return true if region contains rectangle 00062 FXbool contains(FXint x,FXint y,FXint w,FXint h) const; 00063 00064 /// Return bounding box 00065 FXRectangle bounds() const; 00066 00067 /// Offset region by dx,dy 00068 FXRegion& offset(FXint dx,FXint dy); 00069 00070 /// Return true if region equal to this one 00071 FXbool operator==(const FXRegion& r) const; 00072 00073 /// Return true if region not equal to this one 00074 FXbool operator!=(const FXRegion& r) const; 00075 00076 /// Union region r with this one 00077 FXRegion& operator+=(const FXRegion& r); 00078 00079 /// Intersect region r with this one 00080 FXRegion& operator*=(const FXRegion& r); 00081 00082 /// Subtract region r from this one 00083 FXRegion& operator-=(const FXRegion& r); 00084 00085 /// Xor region r with this one 00086 FXRegion& operator^=(const FXRegion& r); 00087 00088 /// Union of this region and region r 00089 FXRegion operator+(const FXRegion& r) const; 00090 00091 /// Intersection of this region and region r 00092 FXRegion operator*(const FXRegion& r) const; 00093 00094 /// Subtract region r from this region 00095 FXRegion operator-(const FXRegion& r) const; 00096 00097 /// Xor of this region and region r 00098 FXRegion operator^(const FXRegion& r) const; 00099 00100 /// Reset region to empty 00101 void reset(); 00102 00103 /// Destroy region 00104 ~FXRegion(); 00105 }; 00106 00107 } 00108 00109 #endif
![]() |