Developer Documentation

meshviewer.cc
1 /* ========================================================================= *
2 * *
3 * OpenMesh *
4 * Copyright (c) 2001-2015, RWTH-Aachen University *
5 * Department of Computer Graphics and Multimedia *
6 * All rights reserved. *
7 * www.openmesh.org *
8 * *
9 *---------------------------------------------------------------------------*
10 * This file is part of OpenMesh. *
11 *---------------------------------------------------------------------------*
12 * *
13 * Redistribution and use in source and binary forms, with or without *
14 * modification, are permitted provided that the following conditions *
15 * are met: *
16 * *
17 * 1. Redistributions of source code must retain the above copyright notice, *
18 * this list of conditions and the following disclaimer. *
19 * *
20 * 2. Redistributions in binary form must reproduce the above copyright *
21 * notice, this list of conditions and the following disclaimer in the *
22 * documentation and/or other materials provided with the distribution. *
23 * *
24 * 3. Neither the name of the copyright holder nor the names of its *
25 * contributors may be used to endorse or promote products derived from *
26 * this software without specific prior written permission. *
27 * *
28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS *
29 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED *
30 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A *
31 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER *
32 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, *
33 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, *
34 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR *
35 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF *
36 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING *
37 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS *
38 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *
39 * *
40 * ========================================================================= */
41
42 #ifdef _MSC_VER
43 # pragma warning(disable: 4267 4311)
44 #endif
45
46 #include <iostream>
47 #include <fstream>
48 #include <QApplication>
49 #include <QMessageBox>
50 #include <QMainWindow>
51 #include <QMenuBar>
52 #include <QFileDialog>
53
54 #include "MeshViewerWidget.hh"
55
56
57 void create_menu(QMainWindow &w);
58 void usage_and_exit(int xcode);
59
60 int main(int argc, char **argv)
61 {
62 // OpenGL check
63 QApplication::setColorSpec( QApplication::CustomColor );
64 QApplication app(argc,argv);
65
66 if ( !QGLFormat::hasOpenGL() ) {
67 QString msg = "System has no OpenGL support!";
68 QMessageBox::critical( 0, QString("OpenGL"), msg + QString(argv[1]) );
69 return -1;
70 }
71
72 int c;
73 OpenMesh::IO::Options opt;
74
75 while ( (c=getopt(argc,argv,"hbs"))!=-1 )
76 {
77 switch(c)
78 {
79 case 'b': opt += OpenMesh::IO::Options::Binary; break;
80 case 'h':
81 usage_and_exit(0);
82 break;
83 case 's': opt += OpenMesh::IO::Options::Swap; break;
84 default:
85 usage_and_exit(1);
86 }
87 }
88
89 // enable most options for now
90 opt += OpenMesh::IO::Options::VertexColor;
91 opt += OpenMesh::IO::Options::VertexNormal;
92 opt += OpenMesh::IO::Options::VertexTexCoord;
93 opt += OpenMesh::IO::Options::FaceColor;
94 opt += OpenMesh::IO::Options::FaceNormal;
95 opt += OpenMesh::IO::Options::FaceTexCoord;
96
97 // create widget
98 QMainWindow mainWin;
99 MeshViewerWidget w(&mainWin);
100 w.setOptions(opt);
101 mainWin.setCentralWidget(&w);
102
103 create_menu(mainWin);
104
105 // static mesh, hence use strips
106 w.enable_strips();
107
108 mainWin.resize(640, 480);
109 mainWin.show();
110
111 // load scene if specified on the command line
112 if ( optind < argc )
113 {
114 w.open_mesh_gui(argv[optind]);
115 }
116
117 if ( ++optind < argc )
118 {
119 w.open_texture_gui(argv[optind]);
120 }
121
122 return app.exec();
123 }
124
125 void create_menu(QMainWindow &w)
126 {
127 using namespace Qt;
128 QMenu *fileMenu = w.menuBar()->addMenu(w.tr("&File"));
129
130 QAction* openAct = new QAction(w.tr("&Open mesh..."), &w);
131 openAct->setShortcut(w.tr("Ctrl+O"));
132 openAct->setStatusTip(w.tr("Open a mesh file"));
133 QObject::connect(openAct, SIGNAL(triggered()), w.centralWidget(), SLOT(query_open_mesh_file()));
134 fileMenu->addAction(openAct);
135
136 QAction* texAct = new QAction(w.tr("Open &texture..."), &w);
137 texAct->setShortcut(w.tr("Ctrl+T"));
138 texAct->setStatusTip(w.tr("Open a texture file"));
139 QObject::connect(texAct, SIGNAL(triggered()), w.centralWidget(), SLOT(query_open_texture_file()));
140 fileMenu->addAction(texAct);
141 }
142
143 void usage_and_exit(int xcode)
144 {
145 std::cout << "Usage: meshviewer [-s] [mesh] [texture]\n" << std::endl;
146 std::cout << "Options:\n"
147 << " -b\n"
148 << " Assume input to be binary.\n\n"
149 << " -s\n"
150 << " Reverse byte order, when reading binary files.\n"
151 << std::endl;
152 exit(xcode);
153 }
OpenMesh::IO::Options::VertexColor
Has (r) / store (w) vertex colors.
Definition: Options.hh:105
OpenMesh::IO::Options::Swap
Swap byte order in binary mode.
Definition: Options.hh:103
OpenMesh::IO::Options::FaceColor
Has (r) / store (w) face colors.
Definition: Options.hh:109
OpenMesh::IO::Options::FaceNormal
Has (r) / store (w) face normals.
Definition: Options.hh:108
OpenMesh::IO::Options::VertexTexCoord
Has (r) / store (w) texture coordinates.
Definition: Options.hh:106
OpenMesh::IO::Options::FaceTexCoord
Has (r) / store (w) face texture coordinates.
Definition: Options.hh:110
OpenMesh::IO::Options
Set options for reader/writer modules.
Definition: Options.hh:90
MeshViewerWidget
Definition: MeshViewerWidget.hh:75
Qt
OpenMesh::IO::Options::Binary
Set binary mode for r/w.
Definition: Options.hh:100
OpenMesh::IO::Options::VertexNormal
Has (r) / store (w) vertex normals.
Definition: Options.hh:104