/* Show the given MakerNote tag if it exists */
void exif_get_mnote_tag(ExifData *d, unsigned int tag, char* buffer, unsigned int maxsize)
{
ExifMnoteData *mn = NULL;
int i, num;
char buf[1024];
if ( (d!=NULL) && (buffer!=NULL) && (maxsize > 0) )
{
mn = exif_data_get_mnote_data(d);
}
else
{
return;
}
if ( mn != NULL )
{
num = exif_mnote_data_count(mn);
/* Loop through all MakerNote tags, searching for the desired one */
for (i=0; i < num; ++i)
{
D(("%d/%d %d 0x%2x %s; %s\n", i, num, exif_mnote_data_get_id(mn, i),
exif_mnote_data_get_id(mn, i),
exif_mnote_data_get_name(mn,i),
exif_mnote_data_get_title(mn, i) ));
if (exif_mnote_data_get_id(mn, i) == tag)
{
if (exif_mnote_data_get_value(mn, i, buf, sizeof(buf)))
{
/* Don't bother printing it if it's entirely blank */
exif_trim_spaces(buf);
if (*buf != '\0')
{
D(("%s\n", buf));
snprintf(buffer, (size_t)maxsize, "%s: %s\n", exif_mnote_data_get_title(mn, i), buf);
}
}
}
}
}
}
static int
test_exif_data (ExifData *d)
{
unsigned int i, c;
char v[1024], *p;
ExifMnoteData *md;
fprintf (stdout, "Byte order: %s\n",
exif_byte_order_get_name (exif_data_get_byte_order (d)));
fprintf (stdout, "Parsing maker note...\n");
md = exif_data_get_mnote_data (d);
if (!md) {
fprintf (stderr, "Could not parse maker note!\n");
exif_data_unref (d);
return 1;
}
fprintf (stdout, "Increasing ref-count...\n");
exif_mnote_data_ref (md);
fprintf (stdout, "Decreasing ref-count...\n");
exif_mnote_data_unref (md);
fprintf (stdout, "Counting entries...\n");
c = exif_mnote_data_count (md);
fprintf (stdout, "Found %i entries.\n", c);
for (i = 0; i < c; i++) {
fprintf (stdout, "Dumping entry number %i...\n", i);
fprintf (stdout, " Name: '%s'\n",
exif_mnote_data_get_name (md, i));
fprintf (stdout, " Title: '%s'\n",
exif_mnote_data_get_title (md, i));
fprintf (stdout, " Description: '%s'\n",
exif_mnote_data_get_description (md, i));
p = exif_mnote_data_get_value (md, i, v, sizeof (v));
if (p) { fprintf (stdout, " Value: '%s'\n", v); }
}
return 0;
}
static void
exif_entry_cb (ExifEntry *entry, gpointer data)
{
GtkTreeStore *store;
EogExifDetails *view;
EogExifDetailsPrivate *priv;
ExifCategory cat;
ExifIfd ifd = exif_entry_get_ifd (entry);
char *path;
char b[1024];
const gint key = ifd << 16 | entry->tag;
/* This should optimize away if comparision is correct */
g_warn_if_fail (EXIF_IFD_COUNT <= G_MAXUINT16);
view = EOG_EXIF_DETAILS (data);
priv = view->priv;
store = GTK_TREE_STORE (gtk_tree_view_get_model (GTK_TREE_VIEW (view)));
/* Take the tag's IFD into account when caching their GtkTreePaths.
* That should fix key collisions for tags that have the same number
* but are stored in different IFDs. Exif tag numbers are 16-bit
* values so we should be able to set the high word to the IFD number.
*/
path = g_hash_table_lookup (priv->id_path_hash, GINT_TO_POINTER (key));
if (path != NULL) {
set_row_data (store,
path,
NULL,
exif_tag_get_name_in_ifd (entry->tag, ifd),
eog_exif_entry_get_value (entry, b, sizeof(b)));
} else {
ExifMnoteData *mnote = (entry->tag == EXIF_TAG_MAKER_NOTE ?
exif_data_get_mnote_data (entry->parent->parent) : NULL);
if (mnote) {
// Supported MakerNote Found
unsigned int i, c = exif_mnote_data_count (mnote);
for (i = 0; i < c; i++) {
path = g_hash_table_lookup (priv->id_path_hash_mnote, GINT_TO_POINTER (i));
if (path != NULL) {
set_row_data (store, path, NULL,
exif_mnote_data_get_title (mnote, i),
exif_mnote_data_get_value (mnote, i, b, sizeof(b)));
} else {
path = set_row_data (store,
NULL,
exif_categories[EXIF_CATEGORY_MAKER_NOTE].path,
exif_mnote_data_get_title (mnote, i),
exif_mnote_data_get_value (mnote, i, b, sizeof(b)));
g_hash_table_insert (priv->id_path_hash_mnote, GINT_TO_POINTER (i), path);
}
}
} else {
cat = get_exif_category (entry);
path = set_row_data (store,
NULL,
exif_categories[cat].path,
exif_tag_get_name_in_ifd (entry->tag, ifd),
eog_exif_entry_get_value (entry, b,
sizeof(b)));
g_hash_table_insert (priv->id_path_hash,
GINT_TO_POINTER (key),
path);
}
}
}
static int Dgetmnotedata (lua_State *L) { /** data.mnotedata */
ExifData *data = checkdata(L);
pushmnote_data(L, exif_data_get_mnote_data(data));
return 1;
}
