Files
openmesh/src/OpenMesh/Apps/QtViewer/meshviewer.cc
2019-02-06 10:15:48 +01:00

154 lines
5.8 KiB
C++

/* ========================================================================= *
* *
* OpenMesh *
* Copyright (c) 2001-2015, RWTH-Aachen University *
* Department of Computer Graphics and Multimedia *
* All rights reserved. *
* www.openmesh.org *
* *
*---------------------------------------------------------------------------*
* This file is part of OpenMesh. *
*---------------------------------------------------------------------------*
* *
* Redistribution and use in source and binary forms, with or without *
* modification, are permitted provided that the following conditions *
* are met: *
* *
* 1. Redistributions of source code must retain the above copyright notice, *
* this list of conditions and the following disclaimer. *
* *
* 2. Redistributions in binary form must reproduce the above copyright *
* notice, this list of conditions and the following disclaimer in the *
* documentation and/or other materials provided with the distribution. *
* *
* 3. Neither the name of the copyright holder nor the names of its *
* contributors may be used to endorse or promote products derived from *
* this software without specific prior written permission. *
* *
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS *
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED *
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A *
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER *
* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, *
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, *
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR *
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF *
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING *
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS *
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *
* *
* ========================================================================= */
#ifdef _MSC_VER
# pragma warning(disable: 4267 4311)
#endif
#include <iostream>
#include <fstream>
#include <QApplication>
#include <QMessageBox>
#include <QMainWindow>
#include <QMenuBar>
#include <QFileDialog>
#include "MeshViewerWidget.hh"
void create_menu(QMainWindow &w);
void usage_and_exit(int xcode);
int main(int argc, char **argv)
{
// OpenGL check
QApplication::setColorSpec( QApplication::CustomColor );
QApplication app(argc,argv);
if ( !QGLFormat::hasOpenGL() ) {
QString msg = "System has no OpenGL support!";
QMessageBox::critical( 0, QString("OpenGL"), msg + QString(argv[1]) );
return -1;
}
int c;
OpenMesh::IO::Options opt;
while ( (c=getopt(argc,argv,"hbs"))!=-1 )
{
switch(c)
{
case 'b': opt += OpenMesh::IO::Options::Binary; break;
case 'h':
usage_and_exit(0);
break;
case 's': opt += OpenMesh::IO::Options::Swap; break;
default:
usage_and_exit(1);
}
}
// enable most options for now
opt += OpenMesh::IO::Options::VertexColor;
opt += OpenMesh::IO::Options::VertexNormal;
opt += OpenMesh::IO::Options::VertexTexCoord;
opt += OpenMesh::IO::Options::FaceColor;
opt += OpenMesh::IO::Options::FaceNormal;
opt += OpenMesh::IO::Options::FaceTexCoord;
// create widget
QMainWindow mainWin;
MeshViewerWidget w(&mainWin);
w.setOptions(opt);
mainWin.setCentralWidget(&w);
create_menu(mainWin);
// static mesh, hence use strips
w.enable_strips();
mainWin.resize(640, 480);
mainWin.show();
// load scene if specified on the command line
if ( optind < argc )
{
w.open_mesh_gui(argv[optind]);
}
if ( ++optind < argc )
{
w.open_texture_gui(argv[optind]);
}
return app.exec();
}
void create_menu(QMainWindow &w)
{
using namespace Qt;
QMenu *fileMenu = w.menuBar()->addMenu(w.tr("&File"));
QAction* openAct = new QAction(w.tr("&Open mesh..."), &w);
openAct->setShortcut(w.tr("Ctrl+O"));
openAct->setStatusTip(w.tr("Open a mesh file"));
QObject::connect(openAct, SIGNAL(triggered()), w.centralWidget(), SLOT(query_open_mesh_file()));
fileMenu->addAction(openAct);
QAction* texAct = new QAction(w.tr("Open &texture..."), &w);
texAct->setShortcut(w.tr("Ctrl+T"));
texAct->setStatusTip(w.tr("Open a texture file"));
QObject::connect(texAct, SIGNAL(triggered()), w.centralWidget(), SLOT(query_open_texture_file()));
fileMenu->addAction(texAct);
}
void usage_and_exit(int xcode)
{
std::cout << "Usage: meshviewer [-s] [mesh] [texture]\n" << std::endl;
std::cout << "Options:\n"
<< " -b\n"
<< " Assume input to be binary.\n\n"
<< " -s\n"
<< " Reverse byte order, when reading binary files.\n"
<< std::endl;
exit(xcode);
}