lensfun: tfun.cpp

lensfun 0.3.1.0

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tfun.cpp

This example shows how to do basic database lookups.

/*
Test for database search functions.
*/
#include "lensfun.h"
#include <glib.h>
#include <getopt.h>
#include <locale.h>
#include <stdio.h>
#include <stdlib.h>
static void DisplayVersion ()
{
g_print ("lensfun version %d.%d.%d: test database search routines\n",
LF_VERSION_MAJOR, LF_VERSION_MINOR, LF_VERSION_MICRO);
g_print ("Copyright (C) 2007 Andrew Zabolotny\n\n");
g_print ("For distribution rules and conditions of use see the file\n");
g_print ("COPYING which is part of the distribution.\n");
}
static void DisplayUsage ()
{
DisplayVersion ();
g_print ("\nIf no options are given, some standard tests will be run.\n");
g_print ("Command-line options:\n\n");
g_print (" -L# --lens=# Use calibration data for this lens\n");
g_print (" -m# --max=# Limit the amount results\n");
g_print (" -f --fuzzy More fuzzy search algorithm\n");
g_print (" -V --version Display program version and exit\n");
g_print (" -h --help Display this help text\n");
}
static void PrintMount (const lfMount *mount)
{
g_print ("Mount: %s\n", lf_mlstr_get (mount->Name));
if (mount->Compat)
for (int j = 0; mount->Compat [j]; j++)
g_print ("\tCompat: %s\n", mount->Compat [j]);
}
static void PrintCamera (const lfCamera *camera, const lfDatabase *ldb)
{
g_print ("Camera: %s / %s %s%s%s\n",
lf_mlstr_get (camera->Maker),
lf_mlstr_get (camera->Model),
camera->Variant ? "(" : "",
camera->Variant ? lf_mlstr_get (camera->Variant) : "",
camera->Variant ? ")" : "");
g_print ("\tMount: %s\n", lf_db_mount_name (ldb, camera->Mount));
g_print ("\tCrop factor: %g\n", camera->CropFactor);
}
static void PrintLens (const lfLens *lens, const lfDatabase *ldb)
{
g_print ("Lens: %s / %s\n",
lf_mlstr_get (lens->Maker),
lf_mlstr_get (lens->Model));
g_print ("\tCrop factor: %g\n", lens->CropFactor);
g_print ("\tAspect ratio: %g\n", lens->AspectRatio);
g_print ("\tFocal: %g-%g\n", lens->MinFocal, lens->MaxFocal);
g_print ("\tAperture: %g-%g\n", lens->MinAperture, lens->MaxAperture);
g_print ("\tCenter: %g,%g\n", lens->CenterX, lens->CenterY);
if (lens->Mounts)
for (int j = 0; lens->Mounts [j]; j++)
g_print ("\tMount: %s\n", lf_db_mount_name (ldb, lens->Mounts [j]));
}
static void PrintCameras (const lfCamera **cameras, const lfDatabase *ldb, int maxEntries=-1)
{
if (cameras)
for (int i = 0; cameras [i]; i++)
{
g_print ("--- camera %d: ---\n", i + 1);
PrintCamera (cameras [i], ldb);
if ((maxEntries > 0) && (i>=maxEntries-1))
break;
}
else
g_print ("\t- failed\n");
}
static void PrintLenses (const lfLens **lenses, const lfDatabase *ldb, int maxEntries=-1)
{
if (lenses)
for (int i = 0; lenses [i]; i++)
{
g_print ("--- lens %d, score %d: ---\n", i + 1, lenses [i]->Score);
PrintLens (lenses [i], ldb);
if ((maxEntries > 0) && (i>=maxEntries-1))
break;
}
else
g_print ("\t- failed\n");
}
int main (int argc, char **argv)
{
static struct option long_options[] =
{
{"lens", required_argument, NULL, 'L'},
{"max", required_argument, NULL, 'm'},
{"fuzzy", no_argument, NULL, 'f'},
{"help", no_argument, NULL, 'h'},
{"version", no_argument, NULL, 'V'},
{0, 0, 0, 0}
};
static struct
{
int maxResults;
bool fuzzySearch;
const char *Lens;
} opts =
{
-1,
0,
NULL,
};
setlocale (LC_ALL, "");
int c;
while ((c = getopt_long (argc, argv, "L:m:fhV", long_options, NULL)) != EOF)
{
switch (c)
{
case'L':
opts.Lens = optarg;
break;
case 'm':
opts.maxResults = atoi(optarg);
break;
case 'f':
opts.fuzzySearch = LF_SEARCH_LOOSE;
break;
case 'h':
DisplayUsage();
return 0;
case 'V':
DisplayVersion ();
return 0;
default:
return -1;
}
}
lfDatabase *ldb = lf_db_new ();
ldb->Load ();
if (opts.Lens == NULL)
{
g_print ("No lens name is given\n");
DisplayUsage();
ldb->Destroy ();
return -1;
}
g_print (">>> Looking for lens '%s' %d\n", opts.Lens, opts.fuzzySearch);
const lfLens **lenses = ldb->FindLenses (NULL, NULL, opts.Lens, opts.fuzzySearch);
PrintLenses (lenses, ldb, opts.maxResults);
lf_free (lenses);
ldb->Destroy ();
return 0;
}