Files
openmesh/src/Unittests/unittests_subdivider_uniform.cc
Hans-Christian Ebke bbb3a55ee7 Split up unit tests into multiple compile units.
Added mesh_cast unit test.


git-svn-id: http://www.openmesh.org/svnrepo/OpenMesh/trunk@958 fdac6126-5c0c-442c-9429-916003d36597
2013-09-20 14:21:08 +00:00

248 lines
6.5 KiB
C++

#include <gtest/gtest.h>
#include <Unittests/unittests_common.hh>
#include <OpenMesh/Tools/Subdivider/Uniform/CatmullClarkT.hh>
#include <OpenMesh/Tools/Subdivider/Uniform/Sqrt3T.hh>
namespace {
class OpenMeshSubdividerUniform_Poly : public OpenMeshBasePoly {
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_;
};
class OpenMeshSubdividerUniform_Triangle : 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
* ====================================================================
*/
/*
*/
TEST_F(OpenMeshSubdividerUniform_Triangle, Subdivider_Loop) {
mesh_.clear();
// Add some vertices
Mesh::VertexHandle vhandle[9];
vhandle[0] = mesh_.add_vertex(Mesh::Point(0, 0, 0));
vhandle[1] = mesh_.add_vertex(Mesh::Point(0, 1, 0));
vhandle[2] = mesh_.add_vertex(Mesh::Point(0, 2, 0));
vhandle[3] = mesh_.add_vertex(Mesh::Point(1, 0, 0));
vhandle[4] = mesh_.add_vertex(Mesh::Point(1, 1, 0));
vhandle[5] = mesh_.add_vertex(Mesh::Point(1, 2, 0));
vhandle[6] = mesh_.add_vertex(Mesh::Point(2, 0, 0));
vhandle[7] = mesh_.add_vertex(Mesh::Point(2, 1, 0));
vhandle[8] = mesh_.add_vertex(Mesh::Point(2, 2, 0));
// Add eight faces
std::vector<Mesh::VertexHandle> face_vhandles;
face_vhandles.push_back(vhandle[0]);
face_vhandles.push_back(vhandle[4]);
face_vhandles.push_back(vhandle[3]);
mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[0]);
face_vhandles.push_back(vhandle[1]);
face_vhandles.push_back(vhandle[4]);
mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[1]);
face_vhandles.push_back(vhandle[2]);
face_vhandles.push_back(vhandle[4]);
mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[2]);
face_vhandles.push_back(vhandle[5]);
face_vhandles.push_back(vhandle[4]);
mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[3]);
face_vhandles.push_back(vhandle[7]);
face_vhandles.push_back(vhandle[6]);
mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[3]);
face_vhandles.push_back(vhandle[4]);
face_vhandles.push_back(vhandle[7]);
mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[4]);
face_vhandles.push_back(vhandle[8]);
face_vhandles.push_back(vhandle[7]);
mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[4]);
face_vhandles.push_back(vhandle[5]);
face_vhandles.push_back(vhandle[8]);
mesh_.add_face(face_vhandles);
// Test setup:
// 6 === 7 === 8
// | / | / |
// | / | / |
// | / | / |
// 3 === 4 === 5
// | / | \ |
// | / | \ |
// | / | \ |
// 0 === 1 === 2
// Initialize subdivider
OpenMesh::Subdivider::Uniform::Sqrt3T<Mesh> sqrt3;
// Check setup
EXPECT_EQ(9u, mesh_.n_vertices() ) << "Wrong number of vertices";
EXPECT_EQ(8u, mesh_.n_faces() ) << "Wrong number of faces";
// Execute 3 subdivision steps
sqrt3.attach(mesh_);
sqrt3( 3 );
sqrt3.detach();
// Check setup
EXPECT_EQ(121u, mesh_.n_vertices() ) << "Wrong number of vertices after subdivision with sqrt3";
EXPECT_EQ(216u, mesh_.n_faces() ) << "Wrong number of faces after subdivision with sqrt3";
}
/*
* ====================================================================
* Define tests below
* ====================================================================
*/
/*
*/
TEST_F(OpenMeshSubdividerUniform_Poly, Subdivider_CatmullClark) {
mesh_.clear();
// Add some vertices
Mesh::VertexHandle vhandle[9];
vhandle[0] = mesh_.add_vertex(Mesh::Point(0, 0, 0));
vhandle[1] = mesh_.add_vertex(Mesh::Point(0, 1, 0));
vhandle[2] = mesh_.add_vertex(Mesh::Point(0, 2, 0));
vhandle[3] = mesh_.add_vertex(Mesh::Point(1, 0, 0));
vhandle[4] = mesh_.add_vertex(Mesh::Point(1, 1, 0));
vhandle[5] = mesh_.add_vertex(Mesh::Point(1, 2, 0));
vhandle[6] = mesh_.add_vertex(Mesh::Point(2, 0, 0));
vhandle[7] = mesh_.add_vertex(Mesh::Point(2, 1, 0));
vhandle[8] = mesh_.add_vertex(Mesh::Point(2, 2, 0));
// Add four faces
std::vector<Mesh::VertexHandle> face_vhandles;
face_vhandles.push_back(vhandle[0]);
face_vhandles.push_back(vhandle[1]);
face_vhandles.push_back(vhandle[4]);
face_vhandles.push_back(vhandle[3]);
mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[1]);
face_vhandles.push_back(vhandle[2]);
face_vhandles.push_back(vhandle[5]);
face_vhandles.push_back(vhandle[4]);
mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[4]);
face_vhandles.push_back(vhandle[5]);
face_vhandles.push_back(vhandle[8]);
face_vhandles.push_back(vhandle[7]);
mesh_.add_face(face_vhandles);
face_vhandles.clear();
face_vhandles.push_back(vhandle[3]);
face_vhandles.push_back(vhandle[4]);
face_vhandles.push_back(vhandle[7]);
face_vhandles.push_back(vhandle[6]);
mesh_.add_face(face_vhandles);
// Test setup:
// 6 === 7 === 8
// | | |
// | | |
// | | |
// 3 === 4 === 5
// | | |
// | | |
// | | |
// 0 === 1 === 2
// Initialize subdivider
OpenMesh::Subdivider::Uniform::CatmullClarkT<PolyMesh> catmull;
// Check setup
EXPECT_EQ(9u, mesh_.n_vertices() ) << "Wrong number of vertices";
EXPECT_EQ(4u, mesh_.n_faces() ) << "Wrong number of faces";
// Execute 3 subdivision steps
catmull.attach(mesh_);
catmull( 3 );
catmull.detach();
EXPECT_EQ(289u, mesh_.n_vertices() ) << "Wrong number of vertices after subdivision with catmull clark";
EXPECT_EQ(256u, mesh_.n_faces() ) << "Wrong number of faces after subdivision with catmull clark";
}
}