| /************************************************************** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| |
| |
| #ifndef _DXFVEC_HXX |
| #define _DXFVEC_HXX |
| |
| #include <tools/gen.hxx> |
| #include <vcl/lineinfo.hxx> |
| |
| class DXFLineInfo { |
| public: |
| LineStyle eStyle; |
| double fWidth; |
| sal_Int32 nDashCount; |
| double fDashLen; |
| sal_Int32 nDotCount; |
| double fDotLen; |
| double fDistance; |
| |
| DXFLineInfo() : |
| eStyle(LINE_SOLID), |
| fWidth(0), |
| nDashCount(0), |
| fDashLen(0), |
| nDotCount(0), |
| fDotLen(0), |
| fDistance(0) {} |
| |
| DXFLineInfo(const DXFLineInfo& x) : |
| eStyle(x.eStyle), |
| fWidth(x.fWidth), |
| nDashCount(x.nDashCount), |
| fDashLen(x.fDashLen), |
| nDotCount(x.nDotCount), |
| fDotLen(x.fDotLen), |
| fDistance(x.fDistance) {} |
| |
| }; |
| |
| |
| //------------------------------------------------------------------------------ |
| //---------------------------- DXFVector --------------------------------------- |
| //------------------------------------------------------------------------------ |
| // Allgemeiner 3D-Vektor mit double |
| |
| class DXFVector { |
| |
| public: |
| |
| double fx,fy,fz; // public ! - Warum nicht ? |
| |
| inline DXFVector(double fX=0.0, double fY=0.0, double fZ=0.0); |
| inline DXFVector(const DXFVector & rV); |
| |
| // Addition/Subtraktion: |
| DXFVector & operator += (const DXFVector & rV); |
| DXFVector operator + (const DXFVector & rV) const; |
| DXFVector & operator -= (const DXFVector & rV); |
| DXFVector operator - (const DXFVector & rV) const; |
| |
| // Vektorprodukt |
| DXFVector operator * (const DXFVector & rV) const; |
| |
| // Skalarprodukt: |
| double SProd(const DXFVector & rV) const; |
| |
| // Multiplikation mit Skalar: |
| DXFVector & operator *= (double fs); |
| DXFVector operator * (double fs) const; |
| |
| // Laenge: |
| double Abs() const; |
| |
| // Vektor gleicher Richtung und der Laenge 1: |
| DXFVector Unit() const; |
| |
| // Aequivalenz oder nicht: |
| sal_Bool operator == (const DXFVector & rV) const; |
| sal_Bool operator != (const DXFVector & rV) const; |
| }; |
| |
| //------------------------------------------------------------------------------ |
| //---------------------------- DXFTransform ------------------------------------ |
| //------------------------------------------------------------------------------ |
| // Eine Transformationsmatrix, spezialisiert auf unser Problem |
| |
| class DXFTransform { |
| |
| public: |
| |
| DXFTransform(); |
| // Zielkoordinate = Quellkoordinate |
| |
| DXFTransform(double fScaleX, double fScaleY, double fScaleZ, |
| const DXFVector & rShift); |
| // Zielkoordinate = Verschoben(Skaliert(Quellkoorinate)) |
| |
| DXFTransform(double fScaleX, double fScaleY, double fScaleZ, |
| double fRotAngle, |
| const DXFVector & rShift); |
| // Zielkoordinate = Verschoben(Gedreht(Skaliert(Quellkoorinate))) |
| // Drehung geshieht um die Z-Achse, fRotAngle in Grad. |
| |
| DXFTransform(const DXFVector & rExtrusion); |
| // Transformation "ECS->WCS" per "Entity Extrusion Direction" |
| // und dem "Arbitrary Axis Algorithm" |
| // (Siehe DXF-Docu von AutoDesk) |
| |
| DXFTransform(const DXFVector & rViewDir, const DXFVector & rViewTarget); |
| // Transformation Objektraum->Bildraum anhand von Richtung und |
| // Zielpunkt eines ViewPort. |
| // (siehe DXF-Docu von AutoDesk: VPORT) |
| |
| DXFTransform(const DXFTransform & rT1, const DXFTransform & rT2); |
| // Zielkoordinate = rT2(rT1(Quellkoorinate)) |
| |
| |
| void Transform(const DXFVector & rSrc, DXFVector & rTgt) const; |
| // Transformation DXFVector nach DXFVector |
| |
| void Transform(const DXFVector & rSrc, Point & rTgt) const; |
| // Transformation DXFVector nach SvPoint |
| |
| void TransDir(const DXFVector & rSrc, DXFVector & rTgt) const; |
| // Transformation eines relativen Vektors (also kein Verschiebung) |
| |
| sal_Bool TransCircleToEllipse(double fRadius, double & rEx, double & rEy) const; |
| // Versucht, einen Kreis (in der XY-Ebene) zu transformieren, so dass eine |
| // ausgerichtete Ellipse entsteht. Wenn das nicht geht, weil Ellipse |
| // in belibieger Lage entstehen wuerde, wird sal_False geliefert. |
| // (Der Mittelpunkt wird hiermit nicht transformiert, nehme Transform(..)) |
| |
| sal_uLong TransLineWidth(double fW) const; |
| // Transformiert die Liniendicke (so gut es geht) |
| |
| double CalcRotAngle() const; |
| // Ermittelt den Rotationswinkel um die Z-Achse (in Grad) |
| |
| sal_Bool Mirror() const; |
| // Liefert sal_True, wenn die Matrix ein Linkssystem bildet |
| |
| LineInfo Transform(const DXFLineInfo& aDXFLineInfo) const; |
| // Transform to LineInfo |
| |
| private: |
| DXFVector aMX; |
| DXFVector aMY; |
| DXFVector aMZ; |
| DXFVector aMP; |
| }; |
| |
| //------------------------------------------------------------------------------ |
| //------------------------------- inlines -------------------------------------- |
| //------------------------------------------------------------------------------ |
| |
| |
| inline DXFVector::DXFVector(double fX, double fY, double fZ) |
| { |
| fx=fX; fy=fY; fz=fZ; |
| } |
| |
| |
| inline DXFVector::DXFVector(const DXFVector & rV) |
| { |
| fx=rV.fx; fy=rV.fy; fz=rV.fz; |
| } |
| |
| |
| inline DXFVector & DXFVector::operator += (const DXFVector & rV) |
| { |
| fx+=rV.fx; fy+=rV.fy; fz+=rV.fz; |
| return *this; |
| } |
| |
| |
| inline DXFVector DXFVector::operator + (const DXFVector & rV) const |
| { |
| return DXFVector(fx+rV.fx, fy+rV.fy, fz+rV.fz); |
| } |
| |
| |
| inline DXFVector & DXFVector::operator -= (const DXFVector & rV) |
| { |
| fx-=rV.fx; fy-=rV.fy; fz-=rV.fz; |
| return *this; |
| } |
| |
| |
| inline DXFVector DXFVector::operator - (const DXFVector & rV) const |
| { |
| return DXFVector(fx-rV.fx, fy-rV.fy, fz-rV.fz); |
| } |
| |
| |
| inline DXFVector DXFVector::operator * (const DXFVector & rV) const |
| { |
| return DXFVector( |
| fy * rV.fz - fz * rV.fy, |
| fz * rV.fx - fx * rV.fz, |
| fx * rV.fy - fy * rV.fx |
| ); |
| } |
| |
| |
| inline double DXFVector::SProd(const DXFVector & rV) const |
| { |
| return fx*rV.fx + fy*rV.fy + fz*rV.fz; |
| } |
| |
| |
| inline DXFVector & DXFVector::operator *= (double fs) |
| { |
| fx*=fs; fy*=fs; fz*=fs; |
| return *this; |
| } |
| |
| |
| inline DXFVector DXFVector::operator * (double fs) const |
| { |
| return DXFVector(fx*fs,fy*fs,fz*fs); |
| } |
| |
| |
| inline sal_Bool DXFVector::operator == (const DXFVector & rV) const |
| { |
| if (fx==rV.fx && fy==rV.fy && fz==rV.fz) return sal_True; |
| else return sal_False; |
| } |
| |
| |
| inline sal_Bool DXFVector::operator != (const DXFVector & rV) const |
| { |
| if (fx!=rV.fx || fy!=rV.fy || fz!=rV.fz) return sal_True; |
| else return sal_False; |
| } |
| |
| #endif |