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0029667: Visualization, TKV3d - User-defined texture coordinates corrupted by StdPrs_ShadedShape

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Add protection in fillTriangles() against void UV range of a face.
This commit is contained in:
san 2018-03-30 16:38:34 +03:00 committed by bugmaster
parent a38b44f172
commit d051064495
1 changed files with 4 additions and 2 deletions
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6
src/StdPrs/StdPrs_ShadedShape.cxx
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@ -218,8 +218,10 @@ namespace
if (theHasTexels && aUVNodes.Upper() == aNodes.Upper()) if (theHasTexels && aUVNodes.Upper() == aNodes.Upper())
{ {
const gp_Pnt2d aTexel = gp_Pnt2d ((-theUVOrigin.X() + (theUVRepeat.X() * (aUVNodes (aNodeIter).X() - aUmin)) / dUmax) / theUVScale.X(), const gp_Pnt2d aTexel = (dUmax == 0.0 || dVmax == 0.0)
(-theUVOrigin.Y() + (theUVRepeat.Y() * (aUVNodes (aNodeIter).Y() - aVmin)) / dVmax) / theUVScale.Y()); ? aUVNodes (aNodeIter)
: gp_Pnt2d ((-theUVOrigin.X() + (theUVRepeat.X() * (aUVNodes(aNodeIter).X() - aUmin)) / dUmax) / theUVScale.X(),
(-theUVOrigin.Y() + (theUVRepeat.Y() * (aUVNodes(aNodeIter).Y() - aVmin)) / dVmax) / theUVScale.Y());
anArray->AddVertex (aPoint, aNorm, aTexel); anArray->AddVertex (aPoint, aNorm, aTexel);
} }
else else