1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
|
// Convert from OFF format to Wavefront (.obj) format.
#include <CGAL/IO/Verbose_ostream.h>
#include <CGAL/IO/File_writer_wavefront.h>
#include <CGAL/IO/generic_copy_OFF.h>
#include <cstddef>
#include <cstdlib>
#include <cstring>
#include <iostream>
#include <fstream>
using namespace std;
bool verbose = false;
// main function with standard unix commandline arguments
// ------------------------------------------------------
int main( int argc, char **argv) {
int n = 0; // number of filenames
char *filename[2];
bool help = false;
for (int i = 1; i < argc; i++) { // check commandline options
if ( strcmp( "-v", argv[i]) == 0)
verbose = true;
else if ( (strcmp( "-h", argv[i]) == 0) ||
(strcmp( "-help", argv[i]) == 0))
help = true;
else if ( n < 2 ) {
filename[ n++] = argv[i];
} else {
++n;
break;
}
}
if ((n > 2) || help) {
if ( ! help)
cerr << "Error: in parameter list" << endl;
cerr << "Usage: " << argv[0] << " [<options>] [<infile> [<outfile>]]"
<< endl;
cerr << " convert a CGAL object (OFF) to Wavefront obj format."
<< endl;
cerr << " -v verbose." << endl;
exit( ! help);
}
CGAL::Verbose_ostream vout( verbose);
vout << argv[0] << ": verbosity on." << endl;
const char* iname = "cin";
istream* p_in = &cin;
ifstream in;
if ( n > 0) {
in.open( filename[0]);
p_in = ∈
iname = filename[0];
}
if ( !*p_in) {
cerr << argv[0] << ": error: cannot open file '"<< iname
<< "' for reading." <<endl;
exit( 1);
}
const char* oname = "cout";
ostream* p_out = &cout;
ofstream out;
if ( n > 1) {
out.open( filename[1]);
p_out = &out;
oname = filename[1];
}
if ( !*p_out) {
cerr << argv[0] << ": error: cannot open file '"<< oname
<< "' for writing." <<endl;
exit( 1);
}
vout << "CGAL::generic_copy_OFF( " << iname << ", " << oname
<< ") ...." << endl;
CGAL::File_writer_wavefront writer;
CGAL::generic_copy_OFF( *p_in, *p_out, writer);
vout << " .... done." << endl;
if ( !*p_in) {
cerr << argv[0] << " read error: while reading file '"<< iname << "'."
<< endl;
exit( 1);
}
if ( !*p_out) {
cerr << argv[0] <<" write error: while writing file '"<< oname << "'."
<< endl;
exit( 1);
}
return 0;
}
// EOF //
|
