mirror of https://github.com/CGAL/cgal
114 lines
2.9 KiB
C++
114 lines
2.9 KiB
C++
// Convert from OFF format to VRML (.wrl) 1.0 or 2.0 format.
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#include <CGAL/IO/Verbose_ostream.h>
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#include <CGAL/IO/OI.h>
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#include <CGAL/IO/VRML.h>
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#include <CGAL/IO/OFF.h>
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#include <cstddef>
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#include <cstdlib>
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#include <cstring>
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#include <iostream>
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#include <fstream>
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using namespace std;
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bool verbose = false;
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int version = 1;
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// main function with standard unix commandline arguments
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// ------------------------------------------------------
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int main( int argc, char **argv)
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{
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int n = 0; // number of filenames
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char *filename[2];
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bool help = false;
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for (int i = 1; i < argc; i++) { // check commandline options
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if ( strcmp( "-v", argv[i]) == 0)
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verbose = true;
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else if ( strcmp( "-2", argv[i]) == 0)
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version = 2;
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else if ( (strcmp( "-h", argv[i]) == 0) ||
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(strcmp( "-help", argv[i]) == 0))
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help = true;
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else if ( n < 2 ) {
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filename[ n++] = argv[i];
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} else {
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++n;
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break;
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}
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}
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if ((n > 2) || help) {
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if ( ! help)
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cerr << "Error: in parameter list" << endl;
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cerr << "Usage: " << argv[0] << " [<options>] [<infile> [<outfile>]]"
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<< endl;
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cerr << " convert a CGAL object (OFF) to VRML .wrl format."
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<< endl;
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cerr << " -2 VRML 2.0 (default is VRML 1.0)." << endl;
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cerr << " -v verbose." << endl;
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exit( ! help);
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}
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CGAL::Verbose_ostream vout( verbose);
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vout << argv[0] << ": verbosity on." << endl;
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const char* iname = "cin";
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istream* p_in = &cin;
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ifstream in;
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if ( n > 0) {
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in.open( filename[0]);
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p_in = ∈
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iname = filename[0];
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}
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if ( !*p_in) {
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cerr << argv[0] << ": error: cannot open file '"<< iname
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<< "' for reading." <<endl;
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exit( 1);
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}
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const char* oname = "cout";
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ostream* p_out = &cout;
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ofstream out;
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if ( n > 1) {
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out.open( filename[1]);
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p_out = &out;
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oname = filename[1];
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}
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if ( !*p_out) {
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cerr << argv[0] << ": error: cannot open file '"<< oname
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<< "' for writing." <<endl;
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exit( 1);
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}
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vout << "CGAL::generic_copy_OFF( " << iname << ", " << oname
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<< ", V" << version << " ) ...." << endl;
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if ( version == 1) {
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CGAL::VRML_1_ostream os( *p_out);
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CGAL::File_writer_inventor writer;
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CGAL::generic_copy_OFF( *p_in, os, writer);
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if(!os) return EXIT_FAILURE;
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os.close();
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} else {
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CGAL::VRML_2_ostream os( *p_out);
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CGAL::File_writer_VRML_2 writer;
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CGAL::generic_copy_OFF( *p_in, os, writer);
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if(!os) return EXIT_FAILURE;
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os.close();
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}
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vout << " .... done." << endl;
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if ( !*p_in) {
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cerr << argv[0] << " read error: while reading file '"<< iname << "'."
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<< endl;
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exit( 1);
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}
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if ( !*p_out) {
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cerr << argv[0] <<" write error: while writing file '"<< oname << "'."
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<< endl;
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exit( 1);
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}
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return 0;
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}
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// EOF //
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