static int check_exif(_Data *data)
{
const lfLens **lenses;
const lfLens *lens;
lime_exif *exif = data->common->exif->data;
if (data->common->exif_loaded == 1)
return 0;
else if (data->common->exif_loaded == -1)
return -1;
data->common->lens_model = lime_exif_handle_find_str_by_tagname(exif, "LensType");
if (!data->common->lens_model)
data->common->lens_model = lime_exif_handle_find_str_by_tagname(exif, "LensModel");
if (!data->common->lens_model) {
data->common->exif_loaded = -1;
return -1;
}
data->common->lens_model = strdup(data->common->lens_model);
data->common->f = lime_exif_handle_find_float_by_tagname(exif, "FocalLength");
data->common->f_dist = lime_exif_handle_find_float_by_tagname(exif, "FocusDistance");
if (data->common->f_dist == -1.0)
data->common->f_dist = 1000;
data->common->f_num = lime_exif_handle_find_float_by_tagname(exif, "FNumber");
//FIXME check for errors...
if (!data->common->db) {
data->common->db = lf_db_new();
lf_db_load(data->common->db);
}
lenses = lf_db_find_lenses_hd(data->common->db, NULL, NULL, data->common->lens_model, 0);
if (!lenses) {
printf("lensfun could not find lens model %s!\n", data->common->lens_model);
data->common->exif_loaded = -1;
return -1;
}
lens = lenses[0];
data->common->lens = lens;
lf_free(lenses);
data->common->exif_loaded = 1;
return 0;
}
int main ()
{
int i, j;
const struct lfMount *const *mounts;
const struct lfCamera *const *cameras;
const struct lfLens *const *lenses;
struct lfDatabase *ldb;
lfError e;
/* Initialize locale in order to get translated names */
setlocale (LC_ALL, "");
ldb = lf_db_new ();
if (!ldb)
{
fprintf (stderr, "Failed to create database\n");
return -1;
}
g_print ("HomeDataDir: %s\n", ldb->HomeDataDir);
lf_db_load (ldb);
g_print ("< --------------- < Mounts > --------------- >\n");
mounts = lf_db_get_mounts (ldb);
for (i = 0; mounts [i]; i++)
{
g_print ("Mount: %s\n", lf_mlstr_get (mounts [i]->Name));
if (mounts [i]->Compat)
for (j = 0; mounts [i]->Compat [j]; j++)
g_print ("\tCompat: %s\n", mounts [i]->Compat [j]);
}
g_print ("< --------------- < Cameras > --------------- >\n");
cameras = lf_db_get_cameras (ldb);
for (i = 0; cameras [i]; i++)
{
g_print ("Camera: %s / %s %s%s%s\n",
lf_mlstr_get (cameras [i]->Maker),
lf_mlstr_get (cameras [i]->Model),
cameras [i]->Variant ? "(" : "",
cameras [i]->Variant ? lf_mlstr_get (cameras [i]->Variant) : "",
cameras [i]->Variant ? ")" : "");
g_print ("\tMount: %s\n", lf_db_mount_name (ldb, cameras [i]->Mount));
g_print ("\tCrop factor: %g\n", cameras [i]->CropFactor);
}
g_print ("< --------------- < Lenses > --------------- >\n");
lenses = lf_db_get_lenses (ldb);
for (i = 0; lenses [i]; i++)
{
g_print ("Lens: %s / %s\n",
lf_mlstr_get (lenses [i]->Maker),
lf_mlstr_get (lenses [i]->Model));
g_print ("\tCrop factor: %g\n", lenses [i]->CropFactor);
g_print ("\tAspect ratio: %g\n", lenses [i]->AspectRatio);
g_print ("\tFocal: %g-%g\n", lenses [i]->MinFocal, lenses [i]->MaxFocal);
g_print ("\tAperture: %g-%g\n", lenses [i]->MinAperture, lenses [i]->MaxAperture);
g_print ("\tCenter: %g,%g\n", lenses [i]->CenterX, lenses [i]->CenterY);
if (lenses [i]->Mounts)
for (j = 0; lenses [i]->Mounts [j]; j++)
g_print ("\tMount: %s\n", lf_db_mount_name (ldb, lenses [i]->Mounts [j]));
}
g_print ("< ---< Saving database into one big file >--- >\n");
e = lf_db_save_file (ldb, "example-big.xml", mounts, cameras, lenses);
if (e != LF_NO_ERROR)
fprintf (stderr, "Failed writing to file, error code %d\n", e);
lf_db_destroy (ldb);
return 0;
}
