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ofz: floating point exception in values close to zero

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Change-Id: Idd8c7d4dd42c63f4f4a67ba61b9f3760ec04f2f1
This commit is contained in:
Caolán McNamara
2017-03-18 16:50:36 +00:00
parent 1e02750ef2
commit 7ceeae3823
1 changed files with 15 additions and 1 deletions
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16
vcl/source/gdi/svmconverter.cxx
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@@ -171,7 +171,21 @@ bool ImplReadMapMode(SvStream& rIStm, MapMode& rMapMode)
return false;
}
rMapMode = MapMode( (MapUnit) nUnit, aOrg, Fraction( nXNum, nXDenom ), Fraction( nYNum, nYDenom ) );
Fraction aX(nXNum, nXDenom);
if (!aX.IsValid() || rtl::math::round(aX, 6) == 0.0)
{
SAL_WARN("vcl.gdi", "Parsing error: invalid mapmode fraction");
return false;
}
Fraction aY(nYNum, nYDenom);
if (!aY.IsValid() || rtl::math::round(aY, 6) == 0.0)
{
SAL_WARN("vcl.gdi", "Parsing error: invalid mapmode fraction");
return false;
}
rMapMode = MapMode((MapUnit) nUnit, aOrg, aX, aY);
return true;
}