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4151c94d20
RWObj_Reader and RWObj_CafReader - added new classes reading triangulation from OBJ file.
82 lines
2.6 KiB
C++
82 lines
2.6 KiB
C++
// Author: Kirill Gavrilov
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// Copyright (c) 2017-2019 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#ifndef _RWObj_Tools_HeaderFile
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#define _RWObj_Tools_HeaderFile
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#include <gp_XYZ.hxx>
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#include <Graphic3d_Vec3.hxx>
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#include <TCollection_AsciiString.hxx>
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//! Auxiliary tools for OBJ format parser.
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namespace RWObj_Tools
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{
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//! Read 3 float values.
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inline bool ReadVec3 (const char* thePos,
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char*& theNext,
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Graphic3d_Vec3& theVec)
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{
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const char* aPos = thePos;
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theVec.x() = (float )Strtod (aPos, &theNext);
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aPos = theNext;
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theVec.y() = (float )Strtod (aPos, &theNext);
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aPos = theNext;
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theVec.z() = (float )Strtod (aPos, &theNext);
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return aPos != theNext;
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}
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//! Read 3 double values.
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inline bool ReadVec3 (const char* thePos,
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char*& theNext,
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gp_XYZ& theVec)
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{
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const char* aPos = thePos;
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theVec.SetX (Strtod (aPos, &theNext));
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aPos = theNext;
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theVec.SetY (Strtod (aPos, &theNext));
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aPos = theNext;
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theVec.SetZ (Strtod (aPos, &theNext));
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return aPos != theNext;
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}
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//! Read string.
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inline bool ReadName (const char* thePos,
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TCollection_AsciiString& theName)
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{
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Standard_Integer aFrom = 0;
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Standard_Integer aTail = (Standard_Integer )std::strlen (thePos) - 1;
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if (aTail >= 0 && thePos[aTail] == '\n') { --aTail; }
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if (aTail >= 0 && thePos[aTail] == '\r') { --aTail; }
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for (; aTail >= 0 && IsSpace (thePos[aTail]); --aTail) {} // RightAdjust
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for (; aFrom < aTail && IsSpace (thePos[aFrom]); ++aFrom) {} // LeftAdjust
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if (aFrom > aTail)
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{
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theName.Clear();
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return false;
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}
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theName = TCollection_AsciiString (thePos + aFrom, aTail - aFrom + 1);
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return true;
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}
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//! Return true if specified char is a white space.
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inline bool isSpaceChar (const char theChar)
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{
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return theChar == ' '
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|| theChar == '\t';
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//return IsSpace (theChar);
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}
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}
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#endif // _RWObj_Tools_HeaderFile
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