void
_gimp_thumbs_delete_others (const gchar *uri,
GimpThumbSize size)
{
gint i;
g_return_if_fail (gimp_thumb_initialized);
g_return_if_fail (uri != NULL);
size = gimp_thumb_size (size);
for (i = 0; i < thumb_num_sizes; i++)
{
gchar *filename;
if (i == size)
continue;
filename = gimp_thumb_name_from_uri (uri, thumb_sizes[i]);
if (filename)
{
g_unlink (filename);
g_free (filename);
}
}
}
/**
* gimp_thumbnail_has_failed:
* @thumbnail: a #GimpThumbnail object
*
* Checks if a valid failure thumbnail for the given thumbnail exists
* in the global thumbnail repository. This may be the case even if
* gimp_thumbnail_peek_thumb() doesn't return %GIMP_THUMB_STATE_FAILED
* since there might be a real thumbnail and a failure thumbnail for
* the same image file.
*
* The application should not attempt to create the thumbnail if a
* valid failure thumbnail exists.
*
* Return value: %TRUE if a failure thumbnail exists or
*
* Since: 2.2
**/
gboolean
gimp_thumbnail_has_failed (GimpThumbnail *thumbnail)
{
GdkPixbuf *pixbuf;
const gchar *option;
gchar *filename;
gint64 image_mtime;
gint64 image_size;
gboolean failed = FALSE;
g_return_val_if_fail (GIMP_IS_THUMBNAIL (thumbnail), FALSE);
g_return_val_if_fail (thumbnail->image_uri != NULL, FALSE);
GIMP_THUMB_DEBUG_CALL (thumbnail);
filename = gimp_thumb_name_from_uri (thumbnail->image_uri,
GIMP_THUMB_SIZE_FAIL);
if (! filename)
return FALSE;
pixbuf = gdk_pixbuf_new_from_file (filename, NULL);
g_free (filename);
if (! pixbuf)
return FALSE;
if (gimp_thumbnail_peek_image (thumbnail) < GIMP_THUMB_STATE_EXISTS)
goto finish;
/* URI and mtime from the thumbnail need to match our file */
option = gdk_pixbuf_get_option (pixbuf, TAG_THUMB_URI);
if (! option || strcmp (option, thumbnail->image_uri))
goto finish;
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))
{
failed = TRUE;
}
finish:
g_object_unref (pixbuf);
return failed;
}
/**
* gimp_thumbnail_delete_failure:
* @thumbnail: a #GimpThumbnail object
*
* Removes a failure thumbnail if one exists. This function should be
* used after a thumbnail has been successfully created.
*
* Since: 2.2
**/
void
gimp_thumbnail_delete_failure (GimpThumbnail *thumbnail)
{
gchar *filename;
g_return_if_fail (GIMP_IS_THUMBNAIL (thumbnail));
g_return_if_fail (thumbnail->image_uri != NULL);
GIMP_THUMB_DEBUG_CALL (thumbnail);
filename = gimp_thumb_name_from_uri (thumbnail->image_uri,
GIMP_THUMB_SIZE_FAIL);
if (filename)
{
g_unlink (filename);
g_free (filename);
}
}
/**
* gimp_thumbs_delete_for_uri:
* @uri: an escaped URI
*
* Deletes all thumbnails for the image file specified by @uri from the
* user's thumbnail repository.
*
* Since: GIMP 2.2
**/
void
gimp_thumbs_delete_for_uri (const gchar *uri)
{
gint i;
g_return_if_fail (gimp_thumb_initialized);
g_return_if_fail (uri != NULL);
for (i = 0; i < thumb_num_sizes; i++)
{
gchar *filename = gimp_thumb_name_from_uri (uri, thumb_sizes[i]);
if (filename)
{
g_unlink (filename);
g_free (filename);
}
}
}
/**
* gimp_thumbnail_save_thumb:
* @thumbnail: a #GimpThumbnail object
* @pixbuf: a #GdkPixbuf representing the preview thumbnail
* @software: a string describing the software saving the thumbnail
* @error: return location for possible errors
*
* Saves a preview thumbnail for the image associated with @thumbnail.
* to the global thumbnail repository.
*
* The caller is responsible for setting the image file location, it's
* filesize, modification time. One way to set this info is to is to
* call gimp_thumbnail_set_uri() followed by gimp_thumbnail_peek_image().
* Since this won't work for remote images, it is left to the user of
* gimp_thumbnail_save_thumb() to do this or to set the information
* using the @thumbnail object properties.
*
* The image format type and the number of layers can optionally be
* set in order to be stored with the preview image.
*
* Return value: %TRUE if a thumbnail was successfully written,
* %FALSE otherwise
**/
gboolean
gimp_thumbnail_save_thumb (GimpThumbnail *thumbnail,
GdkPixbuf *pixbuf,
const gchar *software,
GError **error)
{
GimpThumbSize size;
gchar *name;
gboolean success;
g_return_val_if_fail (GIMP_IS_THUMBNAIL (thumbnail), FALSE);
g_return_val_if_fail (thumbnail->image_uri != NULL, FALSE);
g_return_val_if_fail (GDK_IS_PIXBUF (pixbuf), FALSE);
g_return_val_if_fail (software != NULL, FALSE);
g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
GIMP_THUMB_DEBUG_CALL (thumbnail);
size = MAX (gdk_pixbuf_get_width (pixbuf), gdk_pixbuf_get_height (pixbuf));
if (size < 1)
return TRUE;
name = gimp_thumb_name_from_uri (thumbnail->image_uri, size);
if (! name)
return TRUE;
if (! gimp_thumb_ensure_thumb_dir (size, error))
{
g_free (name);
return FALSE;
}
success = gimp_thumbnail_save (thumbnail,
size, name, pixbuf, software,
error);
g_free (name);
return success;
}
static PyObject *
_wrap_gimp_thumb_name_from_uri(PyObject *self, PyObject *args, PyObject *kwargs)
{
static char *kwlist[] = { "uri", "size", NULL };
char *uri;
PyObject *py_size = NULL;
gchar *ret;
GimpThumbSize size;
if (!PyArg_ParseTupleAndKeywords(args, kwargs,"sO:name_from_uri", kwlist, &uri, &py_size))
return NULL;
if (pyg_enum_get_value(GIMP_TYPE_THUMB_SIZE, py_size, (gpointer)&size))
return NULL;
ret = gimp_thumb_name_from_uri(uri, size);
if (ret) {
PyObject *py_ret = PyString_FromString(ret);
g_free(ret);
return py_ret;
}
Py_INCREF(Py_None);
return Py_None;
}
/**
* gimp_thumbnail_save_failure:
* @thumbnail: a #GimpThumbnail object
* @software: a string describing the software saving the thumbnail
* @error: return location for possible errors
*
* Saves a failure thumbnail for the image associated with
* @thumbnail. This is an empty pixbuf that indicates that an attempt
* to create a preview for the image file failed. It should be used to
* prevent the software from further attempts to create this thumbnail.
*
* Return value: %TRUE if a failure thumbnail was successfully written,
* %FALSE otherwise
**/
gboolean
gimp_thumbnail_save_failure (GimpThumbnail *thumbnail,
const gchar *software,
GError **error)
{
GdkPixbuf *pixbuf;
gchar *name;
gchar *desc;
gchar *time_str;
gchar *size_str;
gboolean success;
g_return_val_if_fail (GIMP_IS_THUMBNAIL (thumbnail), FALSE);
g_return_val_if_fail (thumbnail->image_uri != NULL, FALSE);
g_return_val_if_fail (software != NULL, FALSE);
GIMP_THUMB_DEBUG_CALL (thumbnail);
name = gimp_thumb_name_from_uri (thumbnail->image_uri, GIMP_THUMB_SIZE_FAIL);
if (! name)
return TRUE;
if (! gimp_thumb_ensure_thumb_dir (GIMP_THUMB_SIZE_FAIL, error))
{
g_free (name);
return FALSE;
}
pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, FALSE, 8, 1, 1);
desc = g_strdup_printf ("Thumbnail failure for %s", thumbnail->image_uri);
time_str = g_strdup_printf ("%" G_GINT64_FORMAT, thumbnail->image_mtime);
size_str = g_strdup_printf ("%" G_GINT64_FORMAT, thumbnail->image_filesize);
success = gdk_pixbuf_save (pixbuf, name, "png", error,
TAG_DESCRIPTION, desc,
TAG_SOFTWARE, software,
TAG_THUMB_URI, thumbnail->image_uri,
TAG_THUMB_MTIME, time_str,
TAG_THUMB_FILESIZE, size_str,
NULL);
if (success)
{
success = (g_chmod (name, 0600) == 0);
if (success)
gimp_thumbnail_update_thumb (thumbnail, GIMP_THUMB_SIZE_NORMAL);
else
g_set_error (error, G_FILE_ERROR, g_file_error_from_errno (errno),
"Could not set permissions of thumbnail '%s': %s",
name, g_strerror (errno));
}
g_object_unref (pixbuf);
g_free (size_str);
g_free (time_str);
g_free (desc);
g_free (name);
return success;
}
