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