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If not, see * * for a copy of the LGPLv3 License. * ************************************************************************/ #ifndef _BGFX_TUPLE_B2I64TUPLE_HXX #define _BGFX_TUPLE_B2I64TUPLE_HXX #include #include #include namespace basegfx { /** Base class for all Points/Vectors with two sal_Int64 values This class provides all methods common to Point avd Vector classes which are derived from here. @derive Use this class to implement Points or Vectors which are based on two sal_Int64 values */ class BASEGFX_DLLPUBLIC B2I64Tuple { protected: sal_Int64 mnX; sal_Int64 mnY; public: /** Create a 2D Tuple The tuple is initialized to (0, 0) */ B2I64Tuple() : mnX(0), mnY(0) {} /** Create a 2D Tuple @param fX This parameter is used to initialize the X-coordinate of the 2D Tuple. @param fY This parameter is used to initialize the Y-coordinate of the 2D Tuple. */ B2I64Tuple(sal_Int64 fX, sal_Int64 fY) : mnX( fX ), mnY( fY ) {} /** Create a copy of a 2D Tuple @param rTup The 2D Tuple which will be copied. */ B2I64Tuple(const B2I64Tuple& rTup) : mnX( rTup.mnX ), mnY( rTup.mnY ) {} ~B2I64Tuple() {} /// Get X-Coordinate of 2D Tuple sal_Int64 getX() const { return mnX; } /// Get Y-Coordinate of 2D Tuple sal_Int64 getY() const { return mnY; } /// Set X-Coordinate of 2D Tuple void setX(sal_Int64 fX) { mnX = fX; } /// Set Y-Coordinate of 2D Tuple void setY(sal_Int64 fY) { mnY = fY; } /// Array-access to 2D Tuple const sal_Int64& operator[] (int nPos) const { // Here, normally one if(...) should be used. In the assumption that // both sal_Int64 members can be accessed as an array a shortcut is used here. // if(0 == nPos) return mnX; return mnY; return *((&mnX) + nPos); } /// Array-access to 2D Tuple sal_Int64& operator[] (int nPos) { // Here, normally one if(...) should be used. In the assumption that // both sal_Int64 members can be accessed as an array a shortcut is used here. // if(0 == nPos) return mnX; return mnY; return *((&mnX) + nPos); } // operators ////////////////////////////////////////////////////////////////////// B2I64Tuple& operator+=( const B2I64Tuple& rTup ) { mnX += rTup.mnX; mnY += rTup.mnY; return *this; } B2I64Tuple& operator-=( const B2I64Tuple& rTup ) { mnX -= rTup.mnX; mnY -= rTup.mnY; return *this; } B2I64Tuple& operator/=( const B2I64Tuple& rTup ) { mnX /= rTup.mnX; mnY /= rTup.mnY; return *this; } B2I64Tuple& operator*=( const B2I64Tuple& rTup ) { mnX *= rTup.mnX; mnY *= rTup.mnY; return *this; } B2I64Tuple& operator*=(sal_Int64 t) { mnX *= t; mnY *= t; return *this; } B2I64Tuple& operator/=(sal_Int64 t) { mnX /= t; mnY /= t; return *this; } B2I64Tuple operator-(void) const { return B2I64Tuple(-mnX, -mnY); } bool equalZero() const { return mnX == 0 && mnY == 0; } bool operator==( const B2I64Tuple& rTup ) const { return this == &rTup || (rTup.mnX == mnX && rTup.mnY == mnY); } bool operator!=( const B2I64Tuple& rTup ) const { return !(*this == rTup); } B2I64Tuple& operator=( const B2I64Tuple& rTup ) { mnX = rTup.mnX; mnY = rTup.mnY; return *this; } static const B2I64Tuple& getEmptyTuple(); }; // external operators ////////////////////////////////////////////////////////////////////////// inline B2I64Tuple minimum(const B2I64Tuple& rTupA, const B2I64Tuple& rTupB) { B2I64Tuple aMin( (rTupB.getX() < rTupA.getX()) ? rTupB.getX() : rTupA.getX(), (rTupB.getY() < rTupA.getY()) ? rTupB.getY() : rTupA.getY()); return aMin; } inline B2I64Tuple maximum(const B2I64Tuple& rTupA, const B2I64Tuple& rTupB) { B2I64Tuple aMax( (rTupB.getX() > rTupA.getX()) ? rTupB.getX() : rTupA.getX(), (rTupB.getY() > rTupA.getY()) ? rTupB.getY() : rTupA.getY()); return aMax; } inline B2I64Tuple absolute(const B2I64Tuple& rTup) { B2I64Tuple aAbs( (0 > rTup.getX()) ? -rTup.getX() : rTup.getX(), (0 > rTup.getY()) ? -rTup.getY() : rTup.getY()); return aAbs; } inline B2DTuple interpolate(const B2I64Tuple& rOld1, const B2I64Tuple& rOld2, double t) { B2DTuple aInt( ((rOld2.getX() - rOld1.getX()) * t) + rOld1.getX(), ((rOld2.getY() - rOld1.getY()) * t) + rOld1.getY()); return aInt; } inline B2DTuple average(const B2I64Tuple& rOld1, const B2I64Tuple& rOld2) { B2DTuple aAvg( (rOld1.getX() + rOld2.getX()) * 0.5, (rOld1.getY() + rOld2.getY()) * 0.5); return aAvg; } inline B2DTuple average(const B2I64Tuple& rOld1, const B2I64Tuple& rOld2, const B2I64Tuple& rOld3) { B2DTuple aAvg( (rOld1.getX() + rOld2.getX() + rOld3.getX()) * (1.0 / 3.0), (rOld1.getY() + rOld2.getY() + rOld3.getY()) * (1.0 / 3.0)); return aAvg; } inline B2I64Tuple operator+(const B2I64Tuple& rTupA, const B2I64Tuple& rTupB) { B2I64Tuple aSum(rTupA); aSum += rTupB; return aSum; } inline B2I64Tuple operator-(const B2I64Tuple& rTupA, const B2I64Tuple& rTupB) { B2I64Tuple aSub(rTupA); aSub -= rTupB; return aSub; } inline B2I64Tuple operator/(const B2I64Tuple& rTupA, const B2I64Tuple& rTupB) { B2I64Tuple aDiv(rTupA); aDiv /= rTupB; return aDiv; } inline B2I64Tuple operator*(const B2I64Tuple& rTupA, const B2I64Tuple& rTupB) { B2I64Tuple aMul(rTupA); aMul *= rTupB; return aMul; } inline B2I64Tuple operator*(const B2I64Tuple& rTup, sal_Int64 t) { B2I64Tuple aNew(rTup); aNew *= t; return aNew; } inline B2I64Tuple operator*(sal_Int64 t, const B2I64Tuple& rTup) { B2I64Tuple aNew(rTup); aNew *= t; return aNew; } inline B2I64Tuple operator/(const B2I64Tuple& rTup, sal_Int64 t) { B2I64Tuple aNew(rTup); aNew /= t; return aNew; } inline B2I64Tuple operator/(sal_Int64 t, const B2I64Tuple& rTup) { B2I64Tuple aNew(t, t); B2I64Tuple aTmp(rTup); aNew /= aTmp; return aNew; } } // end of namespace basegfx #endif /* _BGFX_TUPLE_B2I64TUPLE_HXX */