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- now the OM reader also checks user options

Browse Source 
- added some corresponding unittests

refs #1077

git-svn-id: http://www.openmesh.org/svnrepo/OpenMesh/trunk@743 fdac6126-5c0c-442c-9429-916003d36597
This commit is contained in:
Isaak Lim
2012-10-08 13:25:36 +00:00
parent 8c41187816
commit 6aa98b5b7c
5 changed files with 129 additions and 35 deletions
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21
src/OpenMesh/Core/IO/reader/OMReader.cc
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@@ -89,6 +89,7 @@ bool _OMReader_::read(const std::string& _filename, BaseImporter& _bi, Options&
return false;
_opt += Options::Binary; // only binary format supported!
fileOptions_ = Options::Binary;
// Open file
std::ifstream ifs(_filename.c_str(), std::ios::binary);
@@ -103,6 +104,8 @@ bool _OMReader_::read(const std::string& _filename, BaseImporter& _bi, Options&
// close input stream
ifs.close();
_opt = _opt & fileOptions_;
return result;
}
@@ -116,6 +119,7 @@ bool _OMReader_::read(std::istream& _is, BaseImporter& _bi, Options& _opt)
return false;
_opt += Options::Binary; // only binary format supported!
fileOptions_ = Options::Binary;
if (!_is.good()) {
omerr() << "[OMReader] : cannot read from stream " << std::endl;
@@ -128,6 +132,8 @@ bool _OMReader_::read(std::istream& _is, BaseImporter& _bi, Options& _opt)
if (result)
_opt += Options::Binary;
_opt = _opt & fileOptions_;
return result;
}
@@ -289,9 +295,10 @@ bool _OMReader_::read_binary_vertex_chunk(std::istream &_is, BaseImporter &_bi,
case Chunk::Type_Normal:
assert( OMFormat::dimensions(chunk_header_) == size_t(OpenMesh::Vec3f::dim()));
_opt += Options::VertexNormal;
fileOptions_ += Options::VertexNormal;
for (; vidx < header_.n_vertices_ && !_is.eof(); ++vidx) {
bytes_ += vector_restore(_is, v3f, _swap);
if (fileOptions_.vertex_has_normal() && _opt.vertex_has_normal())
_bi.set_normal(VertexHandle(vidx), v3f);
}
break;
@@ -299,9 +306,10 @@ bool _OMReader_::read_binary_vertex_chunk(std::istream &_is, BaseImporter &_bi,
case Chunk::Type_Texcoord:
assert( OMFormat::dimensions(chunk_header_) == size_t(OpenMesh::Vec2f::dim()));
_opt += Options::VertexTexCoord;
fileOptions_ += Options::VertexTexCoord;
for (; vidx < header_.n_vertices_ && !_is.eof(); ++vidx) {
bytes_ += vector_restore(_is, v2f, _swap);
if (fileOptions_.vertex_has_texcoord() && _opt.vertex_has_texcoord())
_bi.set_texcoord(VertexHandle(vidx), v2f);
}
break;
@@ -310,10 +318,11 @@ bool _OMReader_::read_binary_vertex_chunk(std::istream &_is, BaseImporter &_bi,
assert( OMFormat::dimensions(chunk_header_) == 3);
_opt += Options::VertexColor;
fileOptions_ += Options::VertexColor;
for (; vidx < header_.n_vertices_ && !_is.eof(); ++vidx) {
bytes_ += vector_restore(_is, v3uc, _swap);
if (fileOptions_.vertex_has_color() && _opt.vertex_has_color())
_bi.set_color(VertexHandle(vidx), v3uc);
}
break;
@@ -386,9 +395,10 @@ bool _OMReader_::read_binary_face_chunk(std::istream &_is, BaseImporter &_bi, Op
case Chunk::Type_Normal:
assert( OMFormat::dimensions(chunk_header_) == size_t(OpenMesh::Vec3f::dim()));
_opt += Options::FaceNormal;
fileOptions_ += Options::FaceNormal;
for (; fidx < header_.n_faces_ && !_is.eof(); ++fidx) {
bytes_ += vector_restore(_is, v3f, _swap);
if( fileOptions_.face_has_normal() && _opt.face_has_normal())
_bi.set_normal(FaceHandle(fidx), v3f);
}
break;
@@ -397,9 +407,10 @@ bool _OMReader_::read_binary_face_chunk(std::istream &_is, BaseImporter &_bi, Op
assert( OMFormat::dimensions(chunk_header_) == 3);
_opt += Options::FaceColor;
fileOptions_ += Options::FaceColor;
for (; fidx < header_.n_faces_ && !_is.eof(); ++fidx) {
bytes_ += vector_restore(_is, v3uc, _swap);
if( fileOptions_.face_has_color() && _opt.face_has_color())
_bi.set_color(FaceHandle(fidx), v3uc);
}
break;

1
src/OpenMesh/Core/IO/reader/OMReader.hh
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@@ -117,6 +117,7 @@ private:
// initialized/updated by read_binary*/read_ascii*
mutable size_t bytes_;
mutable Options fileOptions_;
mutable Header header_;
mutable ChunkHeader chunk_header_;
mutable PropertyName property_name_;

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src/Unittests/TestFiles/cube-minimal-texCoords.om Normal file
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src/Unittests/TestFiles/cube-minimal-vertexColors.om Normal file
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82
src/Unittests/unittests_loading.hh
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@@ -531,5 +531,87 @@ TEST_F(OpenMeshLoader, LoadSimplePLYWithNormals) {
}
/*
* Just load an om file of a cube with vertex texCoords
*/
TEST_F(OpenMeshLoader, LoadSimpleOMWithTexCoords) {
mesh_.clear();
mesh_.request_vertex_texcoords2D();
OpenMesh::IO::Options options;
options += OpenMesh::IO::Options::VertexTexCoord;
bool ok = OpenMesh::IO::read_mesh(mesh_, "cube-minimal-texCoords.om",options);
EXPECT_TRUE(ok) << "Unable to load cube-minimal-texCoords.om";
EXPECT_EQ(8u , mesh_.n_vertices()) << "The number of loaded vertices is not correct!";
EXPECT_EQ(18u , mesh_.n_edges()) << "The number of loaded edges is not correct!";
EXPECT_EQ(12u , mesh_.n_faces()) << "The number of loaded faces is not correct!";
EXPECT_EQ(10, mesh_.texcoord2D(mesh_.vertex_handle(0))[0] ) << "Wrong vertex color at vertex 0 component 0";
EXPECT_EQ(10, mesh_.texcoord2D(mesh_.vertex_handle(0))[1] ) << "Wrong vertex color at vertex 0 component 1";
EXPECT_EQ(6, mesh_.texcoord2D(mesh_.vertex_handle(2))[0] ) << "Wrong vertex color at vertex 2 component 0";
EXPECT_EQ(6, mesh_.texcoord2D(mesh_.vertex_handle(2))[1] ) << "Wrong vertex color at vertex 2 component 1";
EXPECT_EQ(9, mesh_.texcoord2D(mesh_.vertex_handle(4))[0] ) << "Wrong vertex color at vertex 4 component 0";
EXPECT_EQ(9, mesh_.texcoord2D(mesh_.vertex_handle(4))[1] ) << "Wrong vertex color at vertex 4 component 1";
EXPECT_EQ(12, mesh_.texcoord2D(mesh_.vertex_handle(7))[0] ) << "Wrong vertex color at vertex 7 component 0";
EXPECT_EQ(12, mesh_.texcoord2D(mesh_.vertex_handle(7))[1] ) << "Wrong vertex color at vertex 7 component 1";
EXPECT_FALSE(options.vertex_has_normal()) << "Wrong user options are returned!";
EXPECT_TRUE(options.vertex_has_texcoord()) << "Wrong user options are returned!";
EXPECT_FALSE(options.vertex_has_color()) << "Wrong user options are returned!";
mesh_.release_vertex_texcoords2D();
}
/*
* Just load an om file of a cube with vertex colors
*/
TEST_F(OpenMeshLoader, LoadSimpleOMWithVertexColors) {
mesh_.clear();
mesh_.request_vertex_colors();
OpenMesh::IO::Options options;
options += OpenMesh::IO::Options::VertexColor;
bool ok = OpenMesh::IO::read_mesh(mesh_, "cube-minimal-vertexColors.om",options);
EXPECT_TRUE(ok) << "Unable to load cube-minimal-vertexColors.om";
EXPECT_EQ(8u , mesh_.n_vertices()) << "The number of loaded vertices is not correct!";
EXPECT_EQ(18u , mesh_.n_edges()) << "The number of loaded edges is not correct!";
EXPECT_EQ(12u , mesh_.n_faces()) << "The number of loaded faces is not correct!";
EXPECT_EQ(255, mesh_.color(mesh_.vertex_handle(0))[0] ) << "Wrong vertex color at vertex 0 component 0";
EXPECT_EQ(0, mesh_.color(mesh_.vertex_handle(0))[1] ) << "Wrong vertex color at vertex 0 component 1";
EXPECT_EQ(0, mesh_.color(mesh_.vertex_handle(0))[2] ) << "Wrong vertex color at vertex 0 component 2";
EXPECT_EQ(255, mesh_.color(mesh_.vertex_handle(3))[0] ) << "Wrong vertex color at vertex 3 component 0";
EXPECT_EQ(0, mesh_.color(mesh_.vertex_handle(3))[1] ) << "Wrong vertex color at vertex 3 component 1";
EXPECT_EQ(0, mesh_.color(mesh_.vertex_handle(3))[2] ) << "Wrong vertex color at vertex 3 component 2";
EXPECT_EQ(0, mesh_.color(mesh_.vertex_handle(4))[0] ) << "Wrong vertex color at vertex 4 component 0";
EXPECT_EQ(0, mesh_.color(mesh_.vertex_handle(4))[1] ) << "Wrong vertex color at vertex 4 component 1";
EXPECT_EQ(255, mesh_.color(mesh_.vertex_handle(4))[2] ) << "Wrong vertex color at vertex 4 component 2";
EXPECT_EQ(0, mesh_.color(mesh_.vertex_handle(7))[0] ) << "Wrong vertex color at vertex 7 component 0";
EXPECT_EQ(0, mesh_.color(mesh_.vertex_handle(7))[1] ) << "Wrong vertex color at vertex 7 component 1";
EXPECT_EQ(255, mesh_.color(mesh_.vertex_handle(7))[2] ) << "Wrong vertex color at vertex 7 component 2";
EXPECT_FALSE(options.vertex_has_normal()) << "Wrong user options are returned!";
EXPECT_FALSE(options.vertex_has_texcoord()) << "Wrong user options are returned!";
EXPECT_TRUE(options.vertex_has_color()) << "Wrong user options are returned!";
mesh_.release_vertex_colors();
}
#endif // INCLUDE GUARD