Image Component Library (ICL)
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00001 /******************************************************************** 00002 ** Image Component Library (ICL) ** 00003 ** ** 00004 ** Copyright (C) 2006-2013 CITEC, University of Bielefeld ** 00005 ** Neuroinformatics Group ** 00006 ** Website: www.iclcv.org and ** 00007 ** http://opensource.cit-ec.de/projects/icl ** 00008 ** ** 00009 ** File : ICLUtils/src/ICLUtils/Rect.h ** 00010 ** Module : ICLUtils ** 00011 ** Authors: Christof Elbrechter, Robert Haschke ** 00012 ** ** 00013 ** ** 00014 ** GNU LESSER GENERAL PUBLIC LICENSE ** 00015 ** This file may be used under the terms of the GNU Lesser General ** 00016 ** Public License version 3.0 as published by the ** 00017 ** ** 00018 ** Free Software Foundation and appearing in the file LICENSE.LGPL ** 00019 ** included in the packaging of this file. Please review the ** 00020 ** following information to ensure the license requirements will ** 00021 ** be met: http://www.gnu.org/licenses/lgpl-3.0.txt ** 00022 ** ** 00023 ** The development of this software was supported by the ** 00024 ** Excellence Cluster EXC 277 Cognitive Interaction Technology. ** 00025 ** The Excellence Cluster EXC 277 is a grant of the Deutsche ** 00026 ** Forschungsgemeinschaft (DFG) in the context of the German ** 00027 ** Excellence Initiative. ** 00028 ** ** 00029 ********************************************************************/ 00030 00031 #pragma once 00032 00033 #include <ICLUtils/Macros.h> 00034 #include <ICLUtils/Point.h> 00035 #include <ICLUtils/Size.h> 00036 #include <stdio.h> 00037 #include <algorithm> 00038 #ifdef ICL_HAVE_IPP 00039 #include <ipp.h> 00040 #endif 00041 00042 00043 namespace icl { 00044 namespace utils{ 00045 00046 #ifndef ICL_HAVE_IPP 00047 00048 struct IppiRect { 00049 00051 int x; 00052 00054 int y; 00055 00057 int width; 00058 00060 int height; 00061 }; 00062 #else 00063 #endif 00064 00066 00092 class Rect32f; 00095 class ICLUtils_API Rect : public IppiRect{ 00096 public: 00097 00099 static const Rect null; 00100 00102 Rect(){ 00103 this->x = 0; 00104 this->y = 0; 00105 this->width = 0; 00106 this->height = 0; 00107 } 00108 00110 Rect(int x, int y, int width, int height){ 00111 this->x = x; 00112 this->y = y; 00113 this->width = width; 00114 this->height = height; 00115 } 00116 00118 Rect(const Point &p, const Size &s){ 00119 this->x = p.x; 00120 this->y = p.y; 00121 this->width = s.width; 00122 this->height = s.height; 00123 } 00124 00126 Rect(const Rect &r){ 00127 this->x = r.x; 00128 this->y = r.y; 00129 this->width = r.width; 00130 this->height = r.height; 00131 } 00132 00134 Rect(const Rect32f &other); 00135 00137 bool isNull() const { return (*this)==null; } 00138 00140 bool operator==(const Rect &s) const { 00141 return x==s.x && y==s.y && width==s.width && height==s.height; 00142 } 00143 00145 bool operator!=(const Rect &s) const { 00146 return x!=s.x || y!= s.y || width!=s.width || height!=s.height; 00147 } 00148 00150 Rect operator*(double d) const { 00151 return Rect((int)(d*x),(int)(d*y),(int)(d*width),(int)(d*height)); 00152 } 00153 00155 Rect operator/(double d) const { 00156 return Rect((int)(x/d),(int)(y/d),(int)(width/d),(int)(height/d)); 00157 } 00158 00159 00161 Rect operator+(const Size &s) const{ 00162 return Rect(x,y,width+s.width,height+s.height); 00163 } 00164 00166 Rect operator-(const Size &s) const{ 00167 return Rect(x,y,width-s.width,height-s.height); 00168 } 00169 00171 Rect& operator+=(const Size &s){ 00172 width+=s.width; height+=s.height; return *this; 00173 } 00174 00176 Rect& operator-=(const Size &s){ 00177 width-=s.width; height-=s.height; return *this; 00178 } 00179 00181 Rect operator+(const Point &p) const{ 00182 return Rect(x+p.x,y+p.y,width,height); 00183 } 00184 00186 Rect operator-(const Point &p) const{ 00187 return Rect(x-p.x,y-p.y,width,height); 00188 } 00189 00191 Rect& operator+=(const Point &p){ 00192 x+=p.x; y+=p.y; return *this; 00193 } 00194 00196 Rect& operator-=(const Point &p){ 00197 x-=p.x; y-=p.y; return *this; 00198 } 00199 00201 Rect& operator*=(double d){ 00202 x=(int)((float)x*d); 00203 y=(int)((float)y*d); 00204 width=(int)((float)width*d); 00205 height=(int)((float)height*d); 00206 return *this; 00207 } 00209 Rect& operator/=(double d){ 00210 x=(int)((float)x/d); 00211 y=(int)((float)y/d); 00212 width=(int)((float)width/d); 00213 height=(int)((float)height/d); 00214 return *this; 00215 } 00217 int getDim() const {return width*height;} 00218 00220 Rect operator&(const Rect &r) const { 00221 Point ul (iclMax(x, r.x), iclMax(y, r.y)); 00222 Point lr (iclMin(right(), r.right()), iclMin(bottom(), r.bottom())); 00223 Rect result (ul.x, ul.y, lr.x-ul.x, lr.y-ul.y); 00224 if (result.width > 0 && result.height > 0) return result; 00225 else return null; 00226 } 00227 00229 Rect &operator&=(const Rect &r){ 00230 (*this)=(*this)&r; 00231 return *this; 00232 } 00233 00235 Rect operator|(const Rect &r) const { 00236 Point ul (iclMin(x, r.x), iclMin(y, r.y)); 00237 Point lr (iclMax(right(), r.right()), iclMax(bottom(), r.bottom())); 00238 return Rect (ul.x, ul.y, lr.x-ul.x, lr.y-ul.y); 00239 } 00240 00242 Rect &operator|=(const Rect &r){ 00243 (*this)=(*this)|r; 00244 return *this; 00245 } 00246 00248 00249 Rect normalized() const { 00250 Rect r (*this); 00251 if (r.width < 0) {r.x += r.width; r.width = -r.width; } 00252 if (r.height < 0) {r.y += r.height; r.height = -r.height; } 00253 return r; 00254 } 00255 00257 bool contains(const Rect &r) const { 00258 return x<=r.x && y <= r.y && right() >= r.right() && bottom() >= r.bottom(); 00259 } 00260 00262 00267 bool contains(int x, int y) const{ 00268 return this->x<=x && right()>x && this->y<=y && bottom()>y; 00269 } 00270 00272 00277 Rect &enlarge(int k){ 00278 x-=k; y-=k; width+=2*k; height+=2*k; 00279 return *this; 00280 } 00281 00283 00284 Rect enlarged(int k) const{ 00285 return Rect(*this).enlarge(k); 00286 } 00287 00288 00290 Point ul() const { 00291 return Point(x,y); 00292 } 00294 Point ll() const { 00295 return Point(x,y+height); 00296 } 00298 Point ur() const { 00299 return Point(x+width,y); 00300 } 00302 Point lr() const { 00303 return Point(x+width,y+height); 00304 } 00305 00307 Point center() const { 00308 return Point(x+width/2,y+height/2); 00309 } 00310 00312 int left() const { return x; } 00313 00315 int right() const { return x+width; } 00316 00318 int bottom() const { return y+height; } 00319 00321 int top() const { return y; } 00322 00324 Size getSize() const { return Size(width,height); } 00325 00326 Rect transform(double xfac, double yfac) const { 00327 return Rect((int)(xfac*x),(int)(yfac*y),(int)(xfac*width), (int)(yfac*height)); 00328 } 00329 }; 00330 00332 ICLUtils_API std::ostream &operator<<(std::ostream &s, const Rect &r); 00333 00335 ICLUtils_API std::istream &operator>>(std::istream &s, Rect &r); 00336 00337 00338 } // namespace utils 00339 } // namespace icl 00340