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79 lines
2.7 KiB
C++
79 lines
2.7 KiB
C++
// Created by: CKY / Contract Toubro-Larsen
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// Copyright (c) 1993-1999 Matra Datavision
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// Copyright (c) 1999-2014 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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//--------------------------------------------------------------------
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//--------------------------------------------------------------------
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#include <IGESGraph_LineFontDefPattern.hxx>
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#include <Standard_DimensionMismatch.hxx>
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#include <Standard_OutOfRange.hxx>
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#include <Standard_Type.hxx>
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#include <TCollection_HAsciiString.hxx>
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IMPLEMENT_STANDARD_RTTIEXT(IGESGraph_LineFontDefPattern,IGESData_LineFontEntity)
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IGESGraph_LineFontDefPattern::IGESGraph_LineFontDefPattern () { }
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// This class inherits from IGESData_LineFontEntity
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void IGESGraph_LineFontDefPattern::Init
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(const Handle(TColStd_HArray1OfReal)& allSegLength,
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const Handle(TCollection_HAsciiString)& aPattern)
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{
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if (allSegLength->Lower() != 1)
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Standard_DimensionMismatch::Raise("IGESGraph_LineFontDefPattern : Init");
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theSegmentLengths = allSegLength;
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theDisplayPattern = aPattern;
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InitTypeAndForm(304,2);
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}
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Standard_Integer IGESGraph_LineFontDefPattern::NbSegments () const
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{
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return theSegmentLengths->Length();
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}
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Standard_Real IGESGraph_LineFontDefPattern::Length
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(const Standard_Integer Index) const
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{
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return theSegmentLengths->Value(Index);
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// if Index is out of bound HArray1 will raise OutOfRange exception
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}
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Handle(TCollection_HAsciiString) IGESGraph_LineFontDefPattern::DisplayPattern
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() const
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{
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return theDisplayPattern;
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}
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Standard_Boolean IGESGraph_LineFontDefPattern::IsVisible
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(const Standard_Integer Index) const
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{
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Standard_Integer nbSegs = theSegmentLengths->Length();
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if (Index <= 0 || Index > nbSegs) return Standard_False;
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// Get the Character out of String, which contains the required BIT
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char tempStr[2];
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Standard_Integer length = theDisplayPattern->Length();
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tempStr[0] = theDisplayPattern->Value(length - ((nbSegs - Index) / 4));
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tempStr[1] = 0;
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Standard_Integer tempVal =
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(Standard_Integer) strtol(tempStr, (char **)NULL, 16);
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// Now get the BIT out of tempVal
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Standard_Integer mask = 0x01;
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mask <<= ((nbSegs - Index) % 4);
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return ((tempVal & mask) != 0);
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}
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