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unittests_read_write_OFF.hh
1 #ifndef INCLUDE_UNITTESTS_READ_WRITE_OFF_HH
2 #define INCLUDE_UNITTESTS_READ_WRITE_OFF_HH
3 
4 #include <gtest/gtest.h>
5 #include <Unittests/unittests_common.hh>
6 
7 
9 
10  protected:
11 
12  // This function is called before each test is run
13  virtual void SetUp() {
14 
15  // Do some initial stuff with the member data here...
16  }
17 
18  // This function is called after all tests are through
19  virtual void TearDown() {
20 
21  // Do some final stuff with the member data here...
22  }
23 
24  // Member already defined in OpenMeshBase
25  //Mesh mesh_;
26 };
27 
28 /*
29  * ====================================================================
30  * Define tests below
31  * ====================================================================
32  */
33 
34 /*
35  * Just load a simple mesh file in obj format and count whether
36  * the right number of entities has been loaded.
37  */
38 TEST_F(OpenMeshReadWriteOFF, LoadSimpleOFFFile) {
39 
40  mesh_.clear();
41 
42  bool ok = OpenMesh::IO::read_mesh(mesh_, "cube1.off");
43 
44  EXPECT_TRUE(ok);
45 
46  EXPECT_EQ(7526u , mesh_.n_vertices()) << "The number of loaded vertices is not correct!";
47  EXPECT_EQ(22572u, mesh_.n_edges()) << "The number of loaded edges is not correct!";
48  EXPECT_EQ(15048u, mesh_.n_faces()) << "The number of loaded faces is not correct!";
49 }
50 
51 
52 TEST_F(OpenMeshReadWriteOFF, WriteAndReadVertexColorsToAndFromOFFFile) {
53 
54  mesh_.clear();
55 
56  mesh_.request_vertex_colors();
57 
58  mesh_.add_vertex( Mesh::Point(0,0,1) );
59  mesh_.add_vertex( Mesh::Point(0,1,0) );
60  mesh_.add_vertex( Mesh::Point(0,1,1) );
61  mesh_.add_vertex( Mesh::Point(1,0,1) );
62 
63  // using the default color type Vec3uc from DefaultTraits in Traits.hh
64  Mesh::Color testColor(255, 128, 64);
65 
66  // setting colors (different from black)
67  for (Mesh::VertexIter vit = mesh_.vertices_begin(), vitend = mesh_.vertices_end(); vit != vitend; ++vit)
68  mesh_.set_color(vit, testColor);
69 
70  // check if the colors are correctly setted
71  int count = 0;
72  for (Mesh::VertexIter vit = mesh_.vertices_begin(), vitend = mesh_.vertices_end(); vit != vitend; ++vit) {
73  Mesh::Color color = mesh_.color(vit);
74  if ( color[0] != testColor[0] || color[1] != testColor[1] || color[2] != testColor[2] )
75  ++ count;
76  }
77 
78  EXPECT_EQ(0, count) << "Vertices have the wrong color!";
79 
80  // write the mesh_
82  OpenMesh::IO::write_mesh(mesh_, "temp.off", opt);
83  OpenMesh::IO::read_mesh(mesh_, "temp.off", opt);
84 
85  // check if vertices still have the same color
86  count = 0;
87  for (Mesh::VertexIter vit = mesh_.vertices_begin(), vitend = mesh_.vertices_end(); vit != vitend; ++vit) {
88  Mesh::Color color = mesh_.color(vit);
89  if ( color[0] != testColor[0] || color[1] != testColor[1] || color[2] != testColor[2] )
90  ++ count;
91  }
92 
93  EXPECT_EQ(0, count) << "Vertices should have the same color after writing and reading the OFF file!";
94 
95  mesh_.release_vertex_colors();
96 }
97 
98 TEST_F(OpenMeshReadWriteOFF, WriteAndReadFloatVertexColorsToAndFromOFFFile) {
99 
100  mesh_.clear();
101 
102  mesh_.request_vertex_colors();
103 
105 
106  bool ok = OpenMesh::IO::read_mesh(mesh_, "meshlab.ply", opt);
107 
108  EXPECT_TRUE(ok) << "meshlab.ply could not be read!";
109 
110  opt.clear();
113 
114  // write the mesh_
115  ok = OpenMesh::IO::write_mesh(mesh_, "cube_floating.off", opt);
116  EXPECT_TRUE(ok) << "cube_floating.off could not be written!";
117  mesh_.clear();
118  ok = OpenMesh::IO::read_mesh(mesh_, "cube_floating.off", opt);
119  EXPECT_TRUE(ok) << "cube_floating.off could not be read!";
120 
121  EXPECT_EQ(8u , mesh_.n_vertices()) << "The number of loaded vertices is not correct!";
122  EXPECT_EQ(18u , mesh_.n_edges()) << "The number of loaded edges is not correct!";
123  EXPECT_EQ(12u , mesh_.n_faces()) << "The number of loaded faces is not correct!";
124 
125  EXPECT_EQ(0, mesh_.color(mesh_.vertex_handle(0))[0] ) << "Wrong vertex color at vertex 0 component 0";
126  EXPECT_EQ(0, mesh_.color(mesh_.vertex_handle(0))[1] ) << "Wrong vertex color at vertex 0 component 1";
127  EXPECT_EQ(255, mesh_.color(mesh_.vertex_handle(0))[2] ) << "Wrong vertex color at vertex 0 component 2";
128 
129  EXPECT_EQ(0, mesh_.color(mesh_.vertex_handle(3))[0] ) << "Wrong vertex color at vertex 3 component 0";
130  EXPECT_EQ(0, mesh_.color(mesh_.vertex_handle(3))[1] ) << "Wrong vertex color at vertex 3 component 1";
131  EXPECT_EQ(255, mesh_.color(mesh_.vertex_handle(3))[2] ) << "Wrong vertex color at vertex 3 component 2";
132 
133  EXPECT_EQ(0, mesh_.color(mesh_.vertex_handle(4))[0] ) << "Wrong vertex color at vertex 4 component 0";
134  EXPECT_EQ(0, mesh_.color(mesh_.vertex_handle(4))[1] ) << "Wrong vertex color at vertex 4 component 1";
135  EXPECT_EQ(255, mesh_.color(mesh_.vertex_handle(4))[2] ) << "Wrong vertex color at vertex 4 component 2";
136 
137  EXPECT_EQ(0, mesh_.color(mesh_.vertex_handle(7))[0] ) << "Wrong vertex color at vertex 7 component 0";
138  EXPECT_EQ(0, mesh_.color(mesh_.vertex_handle(7))[1] ) << "Wrong vertex color at vertex 7 component 1";
139  EXPECT_EQ(255, mesh_.color(mesh_.vertex_handle(7))[2] ) << "Wrong vertex color at vertex 7 component 2";
140 
141  EXPECT_FALSE(opt.vertex_has_normal()) << "Wrong user opt are returned!";
142  EXPECT_FALSE(opt.vertex_has_texcoord()) << "Wrong user opt are returned!";
143  EXPECT_TRUE(opt.vertex_has_color()) << "Wrong user opt are returned!";
144  EXPECT_TRUE(opt.color_is_float()) << "Wrong user opt are returned!";
145 
146  mesh_.release_vertex_colors();
147 }
148 
149 TEST_F(OpenMeshReadWriteOFF, WriteAndReadBinaryFloatVertexColorsToAndFromOFFFile) {
150 
151  mesh_.clear();
152 
153  mesh_.request_vertex_colors();
154 
156 
157  bool ok = OpenMesh::IO::read_mesh(mesh_, "meshlab.ply", opt);
158 
159  EXPECT_TRUE(ok) << "meshlab.ply could not be read!";
160 
161  opt.clear();
165 
166  // write the mesh_
167  ok = OpenMesh::IO::write_mesh(mesh_, "cube_floating_binary.off", opt);
168  EXPECT_TRUE(ok) << "cube_floating_binary.off could not be written!";
169  mesh_.clear();
170  opt.clear();
174  ok = OpenMesh::IO::read_mesh(mesh_, "cube_floating_binary.off", opt);
175  EXPECT_TRUE(ok) << "cube_floating_binary.off could not be read!";
176 
177  EXPECT_EQ(8u , mesh_.n_vertices()) << "The number of loaded vertices is not correct!";
178  EXPECT_EQ(18u , mesh_.n_edges()) << "The number of loaded edges is not correct!";
179  EXPECT_EQ(12u , mesh_.n_faces()) << "The number of loaded faces is not correct!";
180 
181  EXPECT_EQ(0, mesh_.color(mesh_.vertex_handle(0))[0] ) << "Wrong vertex color at vertex 0 component 0";
182  EXPECT_EQ(0, mesh_.color(mesh_.vertex_handle(0))[1] ) << "Wrong vertex color at vertex 0 component 1";
183  EXPECT_EQ(255, mesh_.color(mesh_.vertex_handle(0))[2] ) << "Wrong vertex color at vertex 0 component 2";
184 
185  EXPECT_EQ(0, mesh_.color(mesh_.vertex_handle(3))[0] ) << "Wrong vertex color at vertex 3 component 0";
186  EXPECT_EQ(0, mesh_.color(mesh_.vertex_handle(3))[1] ) << "Wrong vertex color at vertex 3 component 1";
187  EXPECT_EQ(255, mesh_.color(mesh_.vertex_handle(3))[2] ) << "Wrong vertex color at vertex 3 component 2";
188 
189  EXPECT_EQ(0, mesh_.color(mesh_.vertex_handle(4))[0] ) << "Wrong vertex color at vertex 4 component 0";
190  EXPECT_EQ(0, mesh_.color(mesh_.vertex_handle(4))[1] ) << "Wrong vertex color at vertex 4 component 1";
191  EXPECT_EQ(255, mesh_.color(mesh_.vertex_handle(4))[2] ) << "Wrong vertex color at vertex 4 component 2";
192 
193  EXPECT_EQ(0, mesh_.color(mesh_.vertex_handle(7))[0] ) << "Wrong vertex color at vertex 7 component 0";
194  EXPECT_EQ(0, mesh_.color(mesh_.vertex_handle(7))[1] ) << "Wrong vertex color at vertex 7 component 1";
195  EXPECT_EQ(255, mesh_.color(mesh_.vertex_handle(7))[2] ) << "Wrong vertex color at vertex 7 component 2";
196 
197  EXPECT_FALSE(opt.vertex_has_normal()) << "Wrong user opt are returned!";
198  EXPECT_FALSE(opt.vertex_has_texcoord()) << "Wrong user opt are returned!";
199  EXPECT_FALSE(opt.face_has_color()) << "Wrong user opt are returned!";
200  EXPECT_TRUE(opt.vertex_has_color()) << "Wrong user opt are returned!";
201  EXPECT_TRUE(opt.color_is_float()) << "Wrong user opt are returned!";
202  EXPECT_TRUE(opt.is_binary()) << "Wrong user opt are returned!";
203 
204  mesh_.release_vertex_colors();
205 }
206 
207 #endif // INCLUDE GUARD

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