-
Notifications
You must be signed in to change notification settings - Fork 0
/
main.cpp
236 lines (183 loc) · 4.61 KB
/
main.cpp
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
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif /*HAVE_CONFIG_H*/
#include <cstdio>
#include <cstdlib>
#include <iostream>
#include <math.h>
#include <string.h>
#include <vips/vips.h>
#include "computepoly.h"
#include "LinearSystem.h"
#define VERSION_NUMBER 1.02
char lpfile[STRSIZE];
char fname[STRSIZE];
Basis_e base = QUADRATIC_BIVARIATE;
bool outputfilegiven = false;
bool cache = false;
int crop_left = 0;
int crop_top = 0;
int crop_width = 1000;
int crop_height = 1000;
void Usage(char *argv0)
{
printf("%s usage:\n", argv0);
printf(" -i filename\n");
printf(" Full filename for lp file specifing input files and light positions. \n\n");
printf(" -PTM <path>/<file.ptm>\n");
printf(" -o <path>/<file.ptm>\n");
printf(" Output file name.\n\n");
printf(" -BIVARIATE | -UNIVARIATE\n");
printf(" -b basis (basis either 0 for biquadratic or 1 for univariate\n");
printf(" Calculate a least squares fit of one independent variable: -UNIVARIATE\n");
printf(" or two independent variables: -BIVARIATE\n");
printf(" (Default: BIVARIATE)\n\n");
printf(" -crop LEFT TOP WIDTH HEIGHT\n");
printf(" Only process part of input frames, crops are 10 x percent\n\n");
printf(" -cache\n");
printf(" Cache calculated coefficients (needs lots of mem)\n\n");
printf(" -version\n");
printf(" Prints software version\n\n");
printf(" -h\n");
printf(" List command line options\n");
}
void Process_parameters(int argc, char **argv)
{
int i;
/*
* Defaults:
*/
strcpy(lpfile,"");
base = QUADRATIC_BIVARIATE;
for( i = 1; i < argc; i++ )
{
if( strcmp( argv[i], "-i" ) == 0)
{
if (strlen(argv[i+1]) > STRSIZE)
{
printf("Sorry, input filename too long, please try again\n");
exit(-1);
}
strcpy(lpfile, argv[++i]);
} else
if( strcmp( argv[i], "-PTM" ) == 0 || strcmp( argv[i], "-o" ) == 0)
{
strcpy(fname, argv[++i]);
outputfilegiven = true;
} else
if( strcmp( argv[i], "-BIVARIATE") == 0)
{
base = QUADRATIC_BIVARIATE;
} else
if( strcmp( argv[i], "-UNIVARIATE") == 0)
{
base = QUADRATIC_UNIVARIATE;
} else
if( strcmp( argv[i], "-b") == 0)
{
if (atoi(argv[++i]) == 0)
base = QUADRATIC_BIVARIATE;
else
base = QUADRATIC_UNIVARIATE;
} else
if( strcmp( argv[i], "-rgb") == 0)
{
// ignore this one, some other fitter
} else
if( strcmp( argv[i], "-lrgb") == 0)
{
// ignore this one, some other fitter
} else
if( strcmp( argv[i], "-cache") == 0)
{
cache = true;
} else
if( strcmp( argv[i], "-crop" ) == 0)
{
if( argc - i < 5 ) {
printf("too few arguments for crop\n");
exit(-1);
}
crop_left = atoi( argv[i + 1] );
crop_top = atoi( argv[i + 2] );
crop_width = atoi( argv[i + 3] );
crop_height = atoi( argv[i + 4] );
i += 4;
} else
if( strcmp( argv[i], "-version") == 0)
{
printf("PTM Fitter version %3.2f\n",VERSION_NUMBER);
} else
if( strcmp( argv[i], "-h") == 0 || strcmp( argv[i], "/?") == 0)
{
Usage(argv[0]);
exit(0);
} else
{
printf("Error in parameter list: %s\n", argv[i]);
Usage(argv[0]);
exit(0);
}
}
if (strlen(lpfile) == 0)
{
printf("Error: -i option must be specified.\n");
Usage(argv[0]);
exit(0);
}
return;
}
int
main(int argc, char* argv[])
{
printf("Fast Polynomial Texture Map (PTM) Fitter\n");
printf("based on Hewlett-Packard Code from 2001\n");
//Gather user input
int stat;
if (VIPS_INIT(argv[0]))
{
vips_error_exit("unable to start VIPS");
return(-1);
}
compute_polys_get_type();
if(argc > 1)
// we have command line arguments, do not need to poll user
{
Process_parameters(argc, argv);
}
else
{ //prompt user
int polybase;
std::cout << "Enter filename for lp file (light positions file)" << "\n";
std::cin >> lpfile;
std::cout << "Enter basis(polynomials)" << "\n";
std::cout << "0 = quadratic in two variables, 1 = quadratic in 1 variable" << "\n";
std::cin >> polybase;
if(polybase != 0 && polybase !=1)
{
std::cout << " Wrong input; assume the default (quadratic)" <<"\n";
polybase =0;
}
if(polybase ==0)
base = QUADRATIC_BIVARIATE;
else
base = QUADRATIC_UNIVARIATE;
}
LinearSystem lin(base, cache, crop_left, crop_top, crop_width, crop_height);
stat = lin.FitPTM(lpfile);
if(stat == -1)
{
std::cout << "Error in fitting PTM" << "\n";
std::cout.flush();
return (-1 );
}
if(outputfilegiven == false)
{
std::cout << "Enter filename for output PTM file: " << "\n";
std::cin >> fname;
}
std::cout << "Writing file to : " << fname << "\n";
std::cout.flush();
lin.WriteFileVersion1_2(fname);
return( 0 );
}