static PyObject *
_wrap_gimp_thumbnail_peek_thumb(PyGObject *self, PyObject *args, PyObject *kwargs)
{
static char *kwlist[] = { "size", NULL };
PyObject *py_size = NULL;
gint ret;
GimpThumbSize size;
if (!PyArg_ParseTupleAndKeywords(args, kwargs,"O:Gimp.Thumbnail.peek_thumb", kwlist, &py_size))
return NULL;
if (pyg_enum_get_value(GIMP_TYPE_THUMB_SIZE, py_size, (gpointer)&size))
return NULL;
ret = gimp_thumbnail_peek_thumb(GIMP_THUMBNAIL(self->obj), size);
return pyg_enum_from_gtype(GIMP_TYPE_THUMB_STATE, ret);
}
static void
gimp_thumb_box_create_thumbnail (GimpThumbBox *box,
const gchar *uri,
GimpThumbnailSize size,
gboolean force,
GimpProgress *progress)
{
gchar *filename = file_utils_filename_from_uri (uri);
GimpThumbnail *thumb;
gchar *basename;
if (filename)
{
gboolean regular = g_file_test (filename, G_FILE_TEST_IS_REGULAR);
g_free (filename);
if (! regular)
return;
}
thumb = gimp_imagefile_get_thumbnail (box->imagefile);
basename = file_utils_uri_display_basename (uri);
gtk_label_set_text (GTK_LABEL (box->filename), basename);
g_free (basename);
gimp_object_set_name (GIMP_OBJECT (box->imagefile), uri);
if (force ||
(gimp_thumbnail_peek_thumb (thumb, size) < GIMP_THUMB_STATE_FAILED &&
! gimp_thumbnail_has_failed (thumb)))
{
GError *error = NULL;
if (! gimp_imagefile_create_thumbnail (box->imagefile, box->context,
progress,
size, ! force, &error))
{
gimp_message_literal (box->context->gimp,
G_OBJECT (progress), GIMP_MESSAGE_ERROR,
error->message);
g_clear_error (&error);
}
}
}
/**
* gimp_thumbnail_check_thumb:
* @thumbnail: a #GimpThumbnail object
* @size: the preferred size of the thumbnail image
*
* Checks if a thumbnail file for the @thumbnail exists, loads it and
* verifies it is valid and uptodate for the image file asosciated
* with the @thumbnail.
*
* Return value: the thumbnail's #GimpThumbState after the update
*
* Since: 2.2
**/
GimpThumbState
gimp_thumbnail_check_thumb (GimpThumbnail *thumbnail,
GimpThumbSize size)
{
GdkPixbuf *pixbuf;
g_return_val_if_fail (GIMP_IS_THUMBNAIL (thumbnail), FALSE);
GIMP_THUMB_DEBUG_CALL (thumbnail);
if (gimp_thumbnail_peek_thumb (thumbnail, size) == GIMP_THUMB_STATE_OK)
return GIMP_THUMB_STATE_OK;
pixbuf = gimp_thumbnail_load_thumb (thumbnail, size, NULL);
if (pixbuf)
g_object_unref (pixbuf);
return thumbnail->thumb_state;
}
/**
* gimp_thumbnail_load_thumb:
* @thumbnail: a #GimpThumbnail object
* @size: the preferred #GimpThumbSize for the preview
* @error: return location for possible errors
*
* Attempts to load a thumbnail preview for the image associated with
* @thumbnail. Before you use this function you need need to set an
* image location using gimp_thumbnail_set_uri() or
* gimp_thumbnail_set_filename(). You can also peek at the thumb
* before loading it using gimp_thumbnail_peek_thumb.
*
* This function will return the best matching pixbuf for the
* specified @size. It returns the pixbuf as loaded from disk. It is
* left to the caller to scale it to the desired size. The returned
* pixbuf may also represent an outdated preview of the image file.
* In order to verify if the preview is uptodate, you should check the
* "thumb_state" property after calling this function.
*
* Return value: a preview pixbuf or %NULL if no thumbnail was found
**/
GdkPixbuf *
gimp_thumbnail_load_thumb (GimpThumbnail *thumbnail,
GimpThumbSize size,
GError **error)
{
GimpThumbState state;
GdkPixbuf *pixbuf;
const gchar *option;
gint64 image_mtime;
gint64 image_size;
g_return_val_if_fail (GIMP_IS_THUMBNAIL (thumbnail), NULL);
GIMP_THUMB_DEBUG_CALL (thumbnail);
if (! thumbnail->image_uri)
return NULL;
state = gimp_thumbnail_peek_thumb (thumbnail, size);
if (state < GIMP_THUMB_STATE_EXISTS || state == GIMP_THUMB_STATE_FAILED)
return NULL;
pixbuf = gdk_pixbuf_new_from_file (thumbnail->thumb_filename, NULL);
if (! pixbuf)
return NULL;
#ifdef GIMP_THUMB_DEBUG
g_printerr ("thumbnail loaded from %s\n", thumbnail->thumb_filename);
#endif
g_object_freeze_notify (G_OBJECT (thumbnail));
/* URI and mtime from the thumbnail need to match our file */
option = gdk_pixbuf_get_option (pixbuf, TAG_THUMB_URI);
if (!option)
goto finish;
if (strcmp (option, thumbnail->image_uri))
{
/* might be a local thumbnail, try if the local part matches */
const gchar *baseuri = strrchr (thumbnail->image_uri, '/');
if (!baseuri || strcmp (option, baseuri))
goto finish;
}
state = GIMP_THUMB_STATE_OLD;
option = gdk_pixbuf_get_option (pixbuf, TAG_THUMB_MTIME);
if (!option || sscanf (option, "%" G_GINT64_FORMAT, &image_mtime) != 1)
goto finish;
option = gdk_pixbuf_get_option (pixbuf, TAG_THUMB_FILESIZE);
if (option && sscanf (option, "%" G_GINT64_FORMAT, &image_size) != 1)
goto finish;
/* TAG_THUMB_FILESIZE is optional but must match if present */
if (image_mtime == thumbnail->image_mtime &&
(option == NULL || image_size == thumbnail->image_filesize))
{
if (thumbnail->thumb_size == GIMP_THUMB_SIZE_FAIL)
state = GIMP_THUMB_STATE_FAILED;
else
state = GIMP_THUMB_STATE_OK;
}
if (state == GIMP_THUMB_STATE_FAILED)
gimp_thumbnail_reset_info (thumbnail);
else
gimp_thumbnail_set_info_from_pixbuf (thumbnail, pixbuf);
finish:
if (thumbnail->thumb_size == GIMP_THUMB_SIZE_FAIL ||
(state != GIMP_THUMB_STATE_OLD && state != GIMP_THUMB_STATE_OK))
{
g_object_unref (pixbuf);
pixbuf = NULL;
}
g_object_set (thumbnail,
"thumb-state", state,
NULL);
g_object_thaw_notify (G_OBJECT (thumbnail));
return pixbuf;
}
