1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 #ifndef _BGFX_TUPLE_B2I64TUPLE_HXX 25 #define _BGFX_TUPLE_B2I64TUPLE_HXX 26 27 #include <sal/types.h> 28 #include <basegfx/tuple/b2dtuple.hxx> 29 30 31 namespace basegfx 32 { 33 /** Base class for all Points/Vectors with two sal_Int64 values 34 35 This class provides all methods common to Point 36 avd Vector classes which are derived from here. 37 38 @derive Use this class to implement Points or Vectors 39 which are based on two sal_Int64 values 40 */ 41 class B2I64Tuple 42 { 43 protected: 44 sal_Int64 mnX; 45 sal_Int64 mnY; 46 47 public: 48 /** Create a 2D Tuple 49 50 The tuple is initialized to (0, 0) 51 */ B2I64Tuple()52 B2I64Tuple() 53 : mnX(0), 54 mnY(0) 55 {} 56 57 /** Create a 2D Tuple 58 59 @param fX 60 This parameter is used to initialize the X-coordinate 61 of the 2D Tuple. 62 63 @param fY 64 This parameter is used to initialize the Y-coordinate 65 of the 2D Tuple. 66 */ B2I64Tuple(sal_Int64 fX,sal_Int64 fY)67 B2I64Tuple(sal_Int64 fX, sal_Int64 fY) 68 : mnX( fX ), 69 mnY( fY ) 70 {} 71 72 /** Create a copy of a 2D Tuple 73 74 @param rTup 75 The 2D Tuple which will be copied. 76 */ B2I64Tuple(const B2I64Tuple & rTup)77 B2I64Tuple(const B2I64Tuple& rTup) 78 : mnX( rTup.mnX ), 79 mnY( rTup.mnY ) 80 {} 81 ~B2I64Tuple()82 ~B2I64Tuple() 83 {} 84 85 /// Get X-Coordinate of 2D Tuple getX() const86 sal_Int64 getX() const 87 { 88 return mnX; 89 } 90 91 /// Get Y-Coordinate of 2D Tuple getY() const92 sal_Int64 getY() const 93 { 94 return mnY; 95 } 96 97 /// Set X-Coordinate of 2D Tuple setX(sal_Int64 fX)98 void setX(sal_Int64 fX) 99 { 100 mnX = fX; 101 } 102 103 /// Set Y-Coordinate of 2D Tuple setY(sal_Int64 fY)104 void setY(sal_Int64 fY) 105 { 106 mnY = fY; 107 } 108 109 /// Array-access to 2D Tuple operator [](int nPos) const110 const sal_Int64& operator[] (int nPos) const 111 { 112 // Here, normally one if(...) should be used. In the assumption that 113 // both sal_Int64 members can be accessed as an array a shortcut is used here. 114 // if(0 == nPos) return mnX; return mnY; 115 return *((&mnX) + nPos); 116 } 117 118 /// Array-access to 2D Tuple operator [](int nPos)119 sal_Int64& operator[] (int nPos) 120 { 121 // Here, normally one if(...) should be used. In the assumption that 122 // both sal_Int64 members can be accessed as an array a shortcut is used here. 123 // if(0 == nPos) return mnX; return mnY; 124 return *((&mnX) + nPos); 125 } 126 127 // operators 128 ////////////////////////////////////////////////////////////////////// 129 operator +=(const B2I64Tuple & rTup)130 B2I64Tuple& operator+=( const B2I64Tuple& rTup ) 131 { 132 mnX += rTup.mnX; 133 mnY += rTup.mnY; 134 return *this; 135 } 136 operator -=(const B2I64Tuple & rTup)137 B2I64Tuple& operator-=( const B2I64Tuple& rTup ) 138 { 139 mnX -= rTup.mnX; 140 mnY -= rTup.mnY; 141 return *this; 142 } 143 operator /=(const B2I64Tuple & rTup)144 B2I64Tuple& operator/=( const B2I64Tuple& rTup ) 145 { 146 mnX /= rTup.mnX; 147 mnY /= rTup.mnY; 148 return *this; 149 } 150 operator *=(const B2I64Tuple & rTup)151 B2I64Tuple& operator*=( const B2I64Tuple& rTup ) 152 { 153 mnX *= rTup.mnX; 154 mnY *= rTup.mnY; 155 return *this; 156 } 157 operator *=(sal_Int64 t)158 B2I64Tuple& operator*=(sal_Int64 t) 159 { 160 mnX *= t; 161 mnY *= t; 162 return *this; 163 } 164 operator /=(sal_Int64 t)165 B2I64Tuple& operator/=(sal_Int64 t) 166 { 167 mnX /= t; 168 mnY /= t; 169 return *this; 170 } 171 operator -(void) const172 B2I64Tuple operator-(void) const 173 { 174 return B2I64Tuple(-mnX, -mnY); 175 } 176 equalZero() const177 bool equalZero() const { return mnX == 0 && mnY == 0; } 178 operator ==(const B2I64Tuple & rTup) const179 bool operator==( const B2I64Tuple& rTup ) const 180 { 181 return this == &rTup || (rTup.mnX == mnX && rTup.mnY == mnY); 182 } 183 operator !=(const B2I64Tuple & rTup) const184 bool operator!=( const B2I64Tuple& rTup ) const 185 { 186 return !(*this == rTup); 187 } 188 operator =(const B2I64Tuple & rTup)189 B2I64Tuple& operator=( const B2I64Tuple& rTup ) 190 { 191 mnX = rTup.mnX; 192 mnY = rTup.mnY; 193 return *this; 194 } 195 196 static const B2I64Tuple& getEmptyTuple(); 197 }; 198 199 // external operators 200 ////////////////////////////////////////////////////////////////////////// 201 minimum(const B2I64Tuple & rTupA,const B2I64Tuple & rTupB)202 inline B2I64Tuple minimum(const B2I64Tuple& rTupA, const B2I64Tuple& rTupB) 203 { 204 return B2I64Tuple( 205 std::min(rTupB.getX(), rTupA.getX()), 206 std::min(rTupB.getY(), rTupA.getY())); 207 } 208 maximum(const B2I64Tuple & rTupA,const B2I64Tuple & rTupB)209 inline B2I64Tuple maximum(const B2I64Tuple& rTupA, const B2I64Tuple& rTupB) 210 { 211 return B2I64Tuple( 212 std::max(rTupB.getX(), rTupA.getX()), 213 std::max(rTupB.getY(), rTupA.getY())); 214 } 215 absolute(const B2I64Tuple & rTup)216 inline B2I64Tuple absolute(const B2I64Tuple& rTup) 217 { 218 B2I64Tuple aAbs( 219 (0 > rTup.getX()) ? -rTup.getX() : rTup.getX(), 220 (0 > rTup.getY()) ? -rTup.getY() : rTup.getY()); 221 return aAbs; 222 } 223 interpolate(const B2I64Tuple & rOld1,const B2I64Tuple & rOld2,double t)224 inline B2I64Tuple interpolate(const B2I64Tuple& rOld1, const B2I64Tuple& rOld2, double t) 225 { 226 if(rOld1 == rOld2) 227 { 228 return rOld1; 229 } 230 else if(0.0 >= t) 231 { 232 return rOld1; 233 } 234 else if(1.0 <= t) 235 { 236 return rOld2; 237 } 238 else 239 { 240 return B2I64Tuple( 241 basegfx::fround64(((rOld2.getX() - rOld1.getX()) * t) + rOld1.getX()), 242 basegfx::fround64(((rOld2.getY() - rOld1.getY()) * t) + rOld1.getY())); 243 } 244 } 245 average(const B2I64Tuple & rOld1,const B2I64Tuple & rOld2)246 inline B2I64Tuple average(const B2I64Tuple& rOld1, const B2I64Tuple& rOld2) 247 { 248 return B2I64Tuple( 249 rOld1.getX() == rOld2.getX() ? rOld1.getX() : basegfx::fround64((rOld1.getX() + rOld2.getX()) * 0.5), 250 rOld1.getY() == rOld2.getY() ? rOld1.getY() : basegfx::fround64((rOld1.getY() + rOld2.getY()) * 0.5)); 251 } 252 average(const B2I64Tuple & rOld1,const B2I64Tuple & rOld2,const B2I64Tuple & rOld3)253 inline B2I64Tuple average(const B2I64Tuple& rOld1, const B2I64Tuple& rOld2, const B2I64Tuple& rOld3) 254 { 255 return B2I64Tuple( 256 (rOld1.getX() == rOld2.getX() && rOld2.getX() == rOld3.getX()) ? rOld1.getX() : basegfx::fround64((rOld1.getX() + rOld2.getX() + rOld3.getX()) * (1.0 / 3.0)), 257 (rOld1.getY() == rOld2.getY() && rOld2.getY() == rOld3.getY()) ? rOld1.getY() : basegfx::fround64((rOld1.getY() + rOld2.getY() + rOld3.getY()) * (1.0 / 3.0))); 258 } 259 operator +(const B2I64Tuple & rTupA,const B2I64Tuple & rTupB)260 inline B2I64Tuple operator+(const B2I64Tuple& rTupA, const B2I64Tuple& rTupB) 261 { 262 B2I64Tuple aSum(rTupA); 263 aSum += rTupB; 264 return aSum; 265 } 266 operator -(const B2I64Tuple & rTupA,const B2I64Tuple & rTupB)267 inline B2I64Tuple operator-(const B2I64Tuple& rTupA, const B2I64Tuple& rTupB) 268 { 269 B2I64Tuple aSub(rTupA); 270 aSub -= rTupB; 271 return aSub; 272 } 273 operator /(const B2I64Tuple & rTupA,const B2I64Tuple & rTupB)274 inline B2I64Tuple operator/(const B2I64Tuple& rTupA, const B2I64Tuple& rTupB) 275 { 276 B2I64Tuple aDiv(rTupA); 277 aDiv /= rTupB; 278 return aDiv; 279 } 280 operator *(const B2I64Tuple & rTupA,const B2I64Tuple & rTupB)281 inline B2I64Tuple operator*(const B2I64Tuple& rTupA, const B2I64Tuple& rTupB) 282 { 283 B2I64Tuple aMul(rTupA); 284 aMul *= rTupB; 285 return aMul; 286 } 287 operator *(const B2I64Tuple & rTup,sal_Int64 t)288 inline B2I64Tuple operator*(const B2I64Tuple& rTup, sal_Int64 t) 289 { 290 B2I64Tuple aNew(rTup); 291 aNew *= t; 292 return aNew; 293 } 294 operator *(sal_Int64 t,const B2I64Tuple & rTup)295 inline B2I64Tuple operator*(sal_Int64 t, const B2I64Tuple& rTup) 296 { 297 B2I64Tuple aNew(rTup); 298 aNew *= t; 299 return aNew; 300 } 301 operator /(const B2I64Tuple & rTup,sal_Int64 t)302 inline B2I64Tuple operator/(const B2I64Tuple& rTup, sal_Int64 t) 303 { 304 B2I64Tuple aNew(rTup); 305 aNew /= t; 306 return aNew; 307 } 308 operator /(sal_Int64 t,const B2I64Tuple & rTup)309 inline B2I64Tuple operator/(sal_Int64 t, const B2I64Tuple& rTup) 310 { 311 B2I64Tuple aNew(t, t); 312 B2I64Tuple aTmp(rTup); 313 aNew /= aTmp; 314 return aNew; 315 } 316 } // end of namespace basegfx 317 318 #endif /* _BGFX_TUPLE_B2I64TUPLE_HXX */ 319