LCOV - code coverage report
Current view: top level - filter/source/graphicfilter/idxf - dxfvec.hxx (source / functions) Hit Total Coverage
Test: commit 0e63ca4fde4e446f346e35849c756a30ca294aab Lines: 0 30 0.0 %
Date: 2014-04-11 Functions: 0 11 0.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : #ifndef INCLUDED_FILTER_SOURCE_GRAPHICFILTER_IDXF_DXFVEC_HXX
      21             : #define INCLUDED_FILTER_SOURCE_GRAPHICFILTER_IDXF_DXFVEC_HXX
      22             : 
      23             : #include <sal/types.h>
      24             : #include <vcl/lineinfo.hxx>
      25             : 
      26             : class Point;
      27             : 
      28             : class DXFLineInfo {
      29             : public:
      30             :     LineStyle       eStyle;
      31             :     double          fWidth;
      32             :     sal_Int32       nDashCount;
      33             :     double          fDashLen;
      34             :     sal_Int32       nDotCount;
      35             :     double          fDotLen;
      36             :     double          fDistance;
      37             : 
      38           0 :     DXFLineInfo() :
      39             :         eStyle(LINE_SOLID),
      40             :         fWidth(0),
      41             :         nDashCount(0),
      42             :         fDashLen(0),
      43             :         nDotCount(0),
      44             :         fDotLen(0),
      45           0 :         fDistance(0) {}
      46             : 
      47             :     DXFLineInfo(const DXFLineInfo& x) :
      48             :         eStyle(x.eStyle),
      49             :         fWidth(x.fWidth),
      50             :         nDashCount(x.nDashCount),
      51             :         fDashLen(x.fDashLen),
      52             :         nDotCount(x.nDotCount),
      53             :         fDotLen(x.fDotLen),
      54             :         fDistance(x.fDistance) {}
      55             : 
      56             : };
      57             : 
      58             : 
      59             : 
      60             : //---------------------------- DXFVector ---------------------------------------
      61             : 
      62             : // common 3D vector with doubles
      63             : 
      64             : class DXFVector {
      65             : 
      66             : public:
      67             : 
      68             :     double fx,fy,fz; // public ! - why not?
      69             : 
      70             :     inline DXFVector(double fX=0.0, double fY=0.0, double fZ=0.0);
      71             :     inline DXFVector(const DXFVector & rV);
      72             : 
      73             :     // summation/subtraktion:
      74             :     DXFVector & operator += (const DXFVector & rV);
      75             :     DXFVector   operator +  (const DXFVector & rV) const;
      76             :     DXFVector & operator -= (const DXFVector & rV);
      77             :     DXFVector   operator -  (const DXFVector & rV) const;
      78             : 
      79             :     // vector product
      80             :     DXFVector   operator *  (const DXFVector & rV) const;
      81             : 
      82             :     // skalar product:
      83             :     double SProd(const DXFVector & rV) const;
      84             : 
      85             :     // multiplication with scalar:
      86             :     DXFVector & operator *= (double fs);
      87             :     DXFVector   operator *  (double fs) const;
      88             : 
      89             :     // length:
      90             :     double Abs() const;
      91             : 
      92             :     // vector with same direction and a length of 1:
      93             :     DXFVector Unit() const;
      94             : 
      95             :     // equivalence or net:
      96             :     sal_Bool operator == (const DXFVector & rV) const;
      97             :     sal_Bool operator != (const DXFVector & rV) const;
      98             : };
      99             : 
     100             : 
     101             : //---------------------------- DXFTransform ------------------------------------
     102             : 
     103             : // a transformation matrice specialized for our problem
     104             : 
     105             : class DXFTransform {
     106             : 
     107             : public:
     108             : 
     109             :     DXFTransform();
     110             :         // destination coordinate = source coordinate
     111             : 
     112             :     DXFTransform(double fScaleX, double fScaleY, double fScaleZ,
     113             :                  const DXFVector & rShift);
     114             :         // dest coordinate = translate(scale(source coordinate))
     115             : 
     116             :     DXFTransform(double fScaleX, double fScaleY, double fScaleZ,
     117             :                  double fRotAngle,
     118             :                  const DXFVector & rShift);
     119             :         // dest coordinate = translate(rotate(scale(source coordinate)))
     120             :         // rotation around z-axis, fRotAngle in degrees.
     121             : 
     122             :     DXFTransform(const DXFVector & rExtrusion);
     123             :         // Transformation "ECS->WCS" via "Entity Extrusion Direction"
     124             :         // ant the "Arbitrary Axis Algorithm"
     125             :         // (See DXF-Docu from AutoDesk)
     126             : 
     127             :     DXFTransform(const DXFVector & rViewDir, const DXFVector & rViewTarget);
     128             :         // Transformation object space->picture space on the basis of direction
     129             :         // destination point of a viewport
     130             :         // (See DXF-Docu from AutoDesk: VPORT)
     131             : 
     132             :     DXFTransform(const DXFTransform & rT1, const DXFTransform & rT2);
     133             :         // destination coordinate = rT2(rT1(source coordinate))
     134             : 
     135             : 
     136             :     void Transform(const DXFVector & rSrc, DXFVector & rTgt) const;
     137             :         // Transformation from DXFVector to DXFVector
     138             : 
     139             :     void Transform(const DXFVector & rSrc, Point & rTgt) const;
     140             :         // Transformation from DXFVector to SvPoint
     141             : 
     142             :     void TransDir(const DXFVector & rSrc, DXFVector & rTgt) const;
     143             :         // Transformation of a relative vector (so no translation)
     144             : 
     145             :     sal_Bool TransCircleToEllipse(double fRadius, double & rEx, double & rEy) const;
     146             :         // Attemp to transform a circle (in xy plane) so that it results
     147             :         // in an aligned ellipse. If the does not work because a ellipse of
     148             :         // arbitrary position would be created, sal_False is returned.
     149             :         // (The center point will not be transformed, use Transform(..))
     150             : 
     151             :     sal_uInt32 TransLineWidth(double fW) const;
     152             :         // Transforms the thickness of a line (as good as possible)
     153             : 
     154             :     double CalcRotAngle() const;
     155             :         // Calculates the rotation angle around z-axis (in degrees)
     156             : 
     157             :     sal_Bool Mirror() const;
     158             :         // Returns sal_True, if the matrice represents a left-handed coordinate system
     159             : 
     160             :     LineInfo Transform(const DXFLineInfo& aDXFLineInfo) const;
     161             :         // Transform to LineInfo
     162             : 
     163             : private:
     164             :     DXFVector aMX;
     165             :     DXFVector aMY;
     166             :     DXFVector aMZ;
     167             :     DXFVector aMP;
     168             : };
     169             : 
     170             : 
     171             : //------------------------------- inlines --------------------------------------
     172             : 
     173             : 
     174             : 
     175           0 : inline DXFVector::DXFVector(double fX, double fY, double fZ)
     176             : {
     177           0 :     fx=fX; fy=fY; fz=fZ;
     178           0 : }
     179             : 
     180             : 
     181           0 : inline DXFVector::DXFVector(const DXFVector & rV)
     182             : {
     183           0 :     fx=rV.fx; fy=rV.fy; fz=rV.fz;
     184           0 : }
     185             : 
     186             : 
     187           0 : inline DXFVector & DXFVector::operator += (const DXFVector & rV)
     188             : {
     189           0 :     fx+=rV.fx; fy+=rV.fy; fz+=rV.fz;
     190           0 :     return *this;
     191             : }
     192             : 
     193             : 
     194           0 : inline DXFVector DXFVector::operator + (const DXFVector & rV) const
     195             : {
     196           0 :     return DXFVector(fx+rV.fx, fy+rV.fy, fz+rV.fz);
     197             : }
     198             : 
     199             : 
     200             : inline DXFVector & DXFVector::operator -= (const DXFVector & rV)
     201             : {
     202             :     fx-=rV.fx; fy-=rV.fy; fz-=rV.fz;
     203             :     return *this;
     204             : }
     205             : 
     206             : 
     207           0 : inline DXFVector DXFVector::operator - (const DXFVector & rV) const
     208             : {
     209           0 :     return DXFVector(fx-rV.fx, fy-rV.fy, fz-rV.fz);
     210             : }
     211             : 
     212             : 
     213           0 : inline DXFVector DXFVector::operator *  (const DXFVector & rV) const
     214             : {
     215             :     return DXFVector(
     216           0 :         fy * rV.fz - fz * rV.fy,
     217           0 :         fz * rV.fx - fx * rV.fz,
     218           0 :         fx * rV.fy - fy * rV.fx
     219           0 :     );
     220             : }
     221             : 
     222             : 
     223           0 : inline double DXFVector::SProd(const DXFVector & rV) const
     224             : {
     225           0 :     return fx*rV.fx + fy*rV.fy + fz*rV.fz;
     226             : }
     227             : 
     228             : 
     229           0 : inline DXFVector & DXFVector::operator *= (double fs)
     230             : {
     231           0 :     fx*=fs; fy*=fs; fz*=fs;
     232           0 :     return *this;
     233             : }
     234             : 
     235             : 
     236           0 : inline DXFVector DXFVector::operator * (double fs) const
     237             : {
     238           0 :     return DXFVector(fx*fs,fy*fs,fz*fs);
     239             : }
     240             : 
     241             : 
     242           0 : inline sal_Bool DXFVector::operator == (const DXFVector & rV) const
     243             : {
     244           0 :     if (fx==rV.fx && fy==rV.fy && fz==rV.fz) return sal_True;
     245           0 :     else return sal_False;
     246             : }
     247             : 
     248             : 
     249             : inline sal_Bool DXFVector::operator != (const DXFVector & rV) const
     250             : {
     251             :     if (fx!=rV.fx || fy!=rV.fy || fz!=rV.fz) return sal_True;
     252             :     else return sal_False;
     253             : }
     254             : 
     255             : #endif
     256             : 
     257             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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