Files
openmesh/src/Unittests/unittests_read_write_OFF.cc
2019-10-31 09:21:17 +01:00

255 lines
12 KiB
C++

#include <gtest/gtest.h>
#include <Unittests/unittests_common.hh>
#include <cstdio>
namespace {
class OpenMeshReadWriteOFF : public OpenMeshBase {
protected:
// This function is called before each test is run
virtual void SetUp() {
// Do some initial stuff with the member data here...
}
// This function is called after all tests are through
virtual void TearDown() {
// Do some final stuff with the member data here...
}
// Member already defined in OpenMeshBase
//Mesh mesh_;
};
/*
* ====================================================================
* Define tests below
* ====================================================================
*/
/*
* Just load a simple mesh file in obj format and count whether
* the right number of entities has been loaded.
*/
TEST_F(OpenMeshReadWriteOFF, LoadSimpleOFFFile) {
mesh_.clear();
bool ok = OpenMesh::IO::read_mesh(mesh_, "cube1.off");
EXPECT_TRUE(ok);
EXPECT_EQ(7526u , mesh_.n_vertices()) << "The number of loaded vertices is not correct!";
EXPECT_EQ(22572u, mesh_.n_edges()) << "The number of loaded edges is not correct!";
EXPECT_EQ(15048u, mesh_.n_faces()) << "The number of loaded faces is not correct!";
}
TEST_F(OpenMeshReadWriteOFF, WriteAndReadVertexColorsToAndFromOFFFile) {
mesh_.clear();
mesh_.request_vertex_colors();
mesh_.add_vertex( Mesh::Point(0,0,1) );
mesh_.add_vertex( Mesh::Point(0,1,0) );
mesh_.add_vertex( Mesh::Point(0,1,1) );
mesh_.add_vertex( Mesh::Point(1,0,1) );
#ifdef TEST_DOUBLE_TRAITS
// using the default color type Vec4f from DefaultTraitsDouble in Traits.hh
Mesh::Color testColor(255/255.0, 128/255.0, 64/255.0, 1.0);
#else
// using the default color type Vec3uc from DefaultTraits in Traits.hh
Mesh::Color testColor(255, 128, 64);
#endif
// setting colors (different from black)
for (Mesh::VertexIter vit = mesh_.vertices_begin(), vitend = mesh_.vertices_end(); vit != vitend; ++vit)
mesh_.set_color(*vit, testColor);
// check if the colors are correctly setted
int count = 0;
for (Mesh::VertexIter vit = mesh_.vertices_begin(), vitend = mesh_.vertices_end(); vit != vitend; ++vit) {
Mesh::Color color = mesh_.color(*vit);
bool wrong_color = false;
for (size_t i = 0; i < color.size(); ++i)
wrong_color = wrong_color || (color[i] != testColor[i]);
if (wrong_color)
++ count;
}
EXPECT_EQ(0, count) << "Vertices have the wrong color!";
// write the mesh_
OpenMesh::IO::Options opt(OpenMesh::IO::Options::VertexColor);
OpenMesh::IO::write_mesh(mesh_, "temp.off", opt);
OpenMesh::IO::read_mesh(mesh_, "temp.off", opt);
remove("temp.off");
// check if vertices still have the same color
count = 0;
for (Mesh::VertexIter vit = mesh_.vertices_begin(), vitend = mesh_.vertices_end(); vit != vitend; ++vit) {
Mesh::Color color = mesh_.color(*vit);
bool wrong_color = false;
for (size_t i = 0; i < color.size(); ++i)
wrong_color = wrong_color || (color[i] != testColor[i]);
if (wrong_color)
++ count;
}
EXPECT_EQ(0, count) << "Vertices should have the same color after writing and reading the OFF file!";
mesh_.release_vertex_colors();
}
TEST_F(OpenMeshReadWriteOFF, WriteAndReadFloatVertexColorsToAndFromOFFFile) {
mesh_.clear();
mesh_.request_vertex_colors();
OpenMesh::IO::Options opt(OpenMesh::IO::Options::VertexColor);
bool ok = OpenMesh::IO::read_mesh(mesh_, "meshlab.ply", opt);
EXPECT_TRUE(ok) << "meshlab.ply could not be read!";
opt.clear();
opt += OpenMesh::IO::Options::VertexColor;
opt += OpenMesh::IO::Options::ColorFloat;
// write the mesh_
ok = OpenMesh::IO::write_mesh(mesh_, "cube_floating.off", opt);
EXPECT_TRUE(ok) << "cube_floating.off could not be written!";
mesh_.clear();
ok = OpenMesh::IO::read_mesh(mesh_, "cube_floating.off", opt);
EXPECT_TRUE(ok) << "cube_floating.off could not be read!";
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!";
#ifdef TEST_DOUBLE_TRAITS
EXPECT_FLOAT_EQ(0.0, mesh_.color(mesh_.vertex_handle(0))[0] ) << "Wrong vertex color at vertex 0 component 0";
EXPECT_FLOAT_EQ(0.0, mesh_.color(mesh_.vertex_handle(0))[1] ) << "Wrong vertex color at vertex 0 component 1";
EXPECT_FLOAT_EQ(1.0, mesh_.color(mesh_.vertex_handle(0))[2] ) << "Wrong vertex color at vertex 0 component 2";
EXPECT_FLOAT_EQ(0.0, mesh_.color(mesh_.vertex_handle(3))[0] ) << "Wrong vertex color at vertex 3 component 0";
EXPECT_FLOAT_EQ(0.0, mesh_.color(mesh_.vertex_handle(3))[1] ) << "Wrong vertex color at vertex 3 component 1";
EXPECT_FLOAT_EQ(1.0, mesh_.color(mesh_.vertex_handle(3))[2] ) << "Wrong vertex color at vertex 3 component 2";
EXPECT_FLOAT_EQ(0.0, mesh_.color(mesh_.vertex_handle(4))[0] ) << "Wrong vertex color at vertex 4 component 0";
EXPECT_FLOAT_EQ(0.0, mesh_.color(mesh_.vertex_handle(4))[1] ) << "Wrong vertex color at vertex 4 component 1";
EXPECT_FLOAT_EQ(1.0, mesh_.color(mesh_.vertex_handle(4))[2] ) << "Wrong vertex color at vertex 4 component 2";
EXPECT_FLOAT_EQ(0.0, mesh_.color(mesh_.vertex_handle(7))[0] ) << "Wrong vertex color at vertex 7 component 0";
EXPECT_FLOAT_EQ(0.0, mesh_.color(mesh_.vertex_handle(7))[1] ) << "Wrong vertex color at vertex 7 component 1";
EXPECT_FLOAT_EQ(1.0, mesh_.color(mesh_.vertex_handle(7))[2] ) << "Wrong vertex color at vertex 7 component 2";
#else
EXPECT_EQ(0, 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(255, mesh_.color(mesh_.vertex_handle(0))[2] ) << "Wrong vertex color at vertex 0 component 2";
EXPECT_EQ(0, 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(255, 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";
#endif
EXPECT_FALSE(opt.vertex_has_normal()) << "Wrong user opt are returned!";
EXPECT_FALSE(opt.vertex_has_texcoord()) << "Wrong user opt are returned!";
EXPECT_TRUE(opt.vertex_has_color()) << "Wrong user opt are returned!";
EXPECT_TRUE(opt.color_is_float()) << "Wrong user opt are returned!";
mesh_.release_vertex_colors();
}
TEST_F(OpenMeshReadWriteOFF, WriteAndReadBinaryFloatVertexColorsToAndFromOFFFile) {
mesh_.clear();
mesh_.request_vertex_colors();
OpenMesh::IO::Options opt(OpenMesh::IO::Options::VertexColor);
bool ok = OpenMesh::IO::read_mesh(mesh_, "meshlab.ply", opt);
EXPECT_TRUE(ok) << "meshlab.ply could not be read!";
opt.clear();
opt += OpenMesh::IO::Options::VertexColor;
opt += OpenMesh::IO::Options::Binary;
opt += OpenMesh::IO::Options::ColorFloat;
// write the mesh_
ok = OpenMesh::IO::write_mesh(mesh_, "cube_floating_binary.off", opt);
EXPECT_TRUE(ok) << "cube_floating_binary.off could not be written!";
mesh_.clear();
opt.clear();
opt += OpenMesh::IO::Options::VertexColor;
opt += OpenMesh::IO::Options::Binary;
opt += OpenMesh::IO::Options::ColorFloat;
ok = OpenMesh::IO::read_mesh(mesh_, "cube_floating_binary.off", opt);
EXPECT_TRUE(ok) << "cube_floating_binary.off could not be read!";
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!";
#ifdef TEST_DOUBLE_TRAITS
EXPECT_FLOAT_EQ(0.0, mesh_.color(mesh_.vertex_handle(0))[0] ) << "Wrong vertex color at vertex 0 component 0";
EXPECT_FLOAT_EQ(0.0, mesh_.color(mesh_.vertex_handle(0))[1] ) << "Wrong vertex color at vertex 0 component 1";
EXPECT_FLOAT_EQ(1.0, mesh_.color(mesh_.vertex_handle(0))[2] ) << "Wrong vertex color at vertex 0 component 2";
EXPECT_FLOAT_EQ(0.0, mesh_.color(mesh_.vertex_handle(3))[0] ) << "Wrong vertex color at vertex 3 component 0";
EXPECT_FLOAT_EQ(0.0, mesh_.color(mesh_.vertex_handle(3))[1] ) << "Wrong vertex color at vertex 3 component 1";
EXPECT_FLOAT_EQ(1.0, mesh_.color(mesh_.vertex_handle(3))[2] ) << "Wrong vertex color at vertex 3 component 2";
EXPECT_FLOAT_EQ(0.0, mesh_.color(mesh_.vertex_handle(4))[0] ) << "Wrong vertex color at vertex 4 component 0";
EXPECT_FLOAT_EQ(0.0, mesh_.color(mesh_.vertex_handle(4))[1] ) << "Wrong vertex color at vertex 4 component 1";
EXPECT_FLOAT_EQ(1.0, mesh_.color(mesh_.vertex_handle(4))[2] ) << "Wrong vertex color at vertex 4 component 2";
EXPECT_FLOAT_EQ(0.0, mesh_.color(mesh_.vertex_handle(7))[0] ) << "Wrong vertex color at vertex 7 component 0";
EXPECT_FLOAT_EQ(0.0, mesh_.color(mesh_.vertex_handle(7))[1] ) << "Wrong vertex color at vertex 7 component 1";
EXPECT_FLOAT_EQ(1.0, mesh_.color(mesh_.vertex_handle(7))[2] ) << "Wrong vertex color at vertex 7 component 2";
#else
EXPECT_EQ(0, 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(255, mesh_.color(mesh_.vertex_handle(0))[2] ) << "Wrong vertex color at vertex 0 component 2";
EXPECT_EQ(0, 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(255, 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";
#endif
EXPECT_FALSE(opt.vertex_has_normal()) << "Wrong user opt are returned!";
EXPECT_FALSE(opt.vertex_has_texcoord()) << "Wrong user opt are returned!";
EXPECT_FALSE(opt.face_has_color()) << "Wrong user opt are returned!";
EXPECT_TRUE(opt.vertex_has_color()) << "Wrong user opt are returned!";
EXPECT_TRUE(opt.color_is_float()) << "Wrong user opt are returned!";
EXPECT_TRUE(opt.is_binary()) << "Wrong user opt are returned!";
mesh_.release_vertex_colors();
}
}