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range check for vertex colors and normals in OBJ loader

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This commit is contained in:
Max Limper
2016-10-01 19:43:46 +02:00
parent 8b7be54eb6
commit c577810d47
1 changed files with 15 additions and 5 deletions
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20
src/OpenMesh/Core/IO/reader/OBJReader.cc
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@@ -597,8 +597,14 @@ read(std::istream& _in, BaseImporter& _bi, Options& _opt)
// Obj counts from 1 and not zero .. array counts from zero therefore -1
vhandles.push_back(VertexHandle(value-1));
faceVertices.push_back(VertexHandle(value-1));
if (fileOptions.vertex_has_color() )
_bi.set_color(vhandles.back(), colors[value-1]);
if (fileOptions.vertex_has_color()) {
if ((unsigned int)(value - 1) < colors.size()) {
_bi.set_color(vhandles.back(), colors[value - 1]);
}
else {
omerr() << "Error setting vertex color" << std::endl;
}
}
break;
case 1: // texture coord
@@ -648,9 +654,13 @@ read(std::istream& _in, BaseImporter& _bi, Options& _opt)
// Obj counts from 1 and not zero .. array counts from zero therefore -1
if (fileOptions.vertex_has_normal() ) {
assert(!vhandles.empty());
assert((unsigned int)(value-1) < normals.size());
_bi.set_normal(vhandles.back(), normals[value-1]);
assert(!vhandles.empty());
if ((unsigned int)(value - 1) < normals.size()) {
_bi.set_normal(vhandles.back(), normals[value - 1]);
}
else {
omerr() << "Error setting vertex normal" << std::endl;
}
}
break;
}