fox-toolkit.org - Documentation

00001 /******************************************************************************** 00002 * * 00003 * R e c t a n g l e C l a s s * 00004 * * 00005 ********************************************************************************* 00006 * Copyright (C) 1994,2004 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: FXRectangle.h,v 1.11 2004/02/11 20:33:36 fox Exp $ * 00023 ********************************************************************************/ 00024 #ifndef FXRECTANGLE_H 00025 #define FXRECTANGLE_H 00026 00027 00028 namespace FX { 00029 00030 /// Rectangle 00031 class FXAPI FXRectangle { 00032 public: 00033 FXshort x; 00034 FXshort y; 00035 FXshort w; 00036 FXshort h; 00037 public: 00038 00039 /// Constructors 00040 FXRectangle(){ } 00041 FXRectangle(FXshort xx,FXshort yy,FXshort ww,FXshort hh):x(xx),y(yy),w(ww),h(hh){ } 00042 FXRectangle(const FXPoint& p,const FXSize& s):x(p.x),y(p.y),w(s.w),h(s.h){ } 00043 FXRectangle(const FXPoint& topleft,const FXPoint& bottomright):x(topleft.x),y(topleft.y),w(bottomright.x-topleft.x+1),h(bottomright.y-topleft.y+1){ } 00044 00045 /// Equality 00046 friend FXAPI FXbool operator==(const FXRectangle& p,const FXRectangle& q){ return p.x==q.x && p.y==q.y && p.w==q.w && p.h==q.h; } 00047 friend FXAPI FXbool operator!=(const FXRectangle& p,const FXRectangle& q){ return p.x!=q.x || p.y!=q.y || p.w!=q.w || p.h!=q.h; } 00048 00049 /// Point in rectangle 00050 FXbool contains(const FXPoint& p) const { return x<=p.x && y<=p.y && p.x<x+w && p.y<y+h; } 00051 FXbool contains(FXshort xx,FXshort yy) const { return x<=xx && y<=yy && xx<x+w && yy<y+h; } 00052 00053 /// Rectangle properly contained in rectangle 00054 FXbool contains(const FXRectangle& r) const { return x<=r.x && y<=r.y && r.x+r.w<=x+w && r.y+r.h<=y+h; } 00055 00056 /// Rectangles overlap 00057 friend FXAPI FXbool overlap(const FXRectangle& a,const FXRectangle& b){ return b.x<a.x+a.w && b.y<a.y+a.h && a.x<b.x+b.w && a.y<b.y+b.h; } 00058 00059 /// Return moved rectangle 00060 FXRectangle& move(FXshort dx,FXshort dy){ x+=dx; y+=dy; return *this; } 00061 00062 /// Grow by amount 00063 FXRectangle& grow(FXshort margin); 00064 FXRectangle& grow(FXshort hormargin,FXshort vermargin); 00065 FXRectangle& grow(FXshort leftmargin,FXshort rightmargin,FXshort topmargin,FXshort bottommargin); 00066 00067 /// Shrink by amount 00068 FXRectangle& shrink(FXshort margin); 00069 FXRectangle& shrink(FXshort hormargin,FXshort vermargin); 00070 FXRectangle& shrink(FXshort leftmargin,FXshort rightmargin,FXshort topmargin,FXshort bottommargin); 00071 00072 /// Corners 00073 FXPoint tl() const { return FXPoint(x,y); } 00074 FXPoint tr() const { return FXPoint(x+w-1,y); } 00075 FXPoint bl() const { return FXPoint(x,y+h-1); } 00076 FXPoint br() const { return FXPoint(x+w-1,y+h-1); } 00077 00078 /// Union and intersection with rectangle 00079 FXRectangle& operator+=(const FXRectangle &r); 00080 FXRectangle& operator*=(const FXRectangle &r); 00081 00082 /// Union and intersection between rectangles 00083 friend FXAPI FXRectangle operator+(const FXRectangle& p,const FXRectangle& q); 00084 friend FXAPI FXRectangle operator*(const FXRectangle& p,const FXRectangle& q); 00085 00086 /// Save object to a stream 00087 friend FXAPI FXStream& operator<<(FXStream& store,const FXRectangle& r); 00088 00089 /// Load object from a stream 00090 friend FXAPI FXStream& operator>>(FXStream& store,FXRectangle& r); 00091 }; 00092 00093 } 00094 00095 #endif