/**
* file_open_thumbnail:
* @gimp:
* @context:
* @progress:
* @file: an image file
* @size: requested size of the thumbnail
* @mime_type: return location for image MIME type
* @image_width: return location for image width
* @image_height: return location for image height
* @format: return location for image format (set to NULL if unknown)
* @num_layers: return location for number of layers
* (set to -1 if the number of layers is not known)
* @error:
*
* Attempts to load a thumbnail by using a registered thumbnail loader.
*
* Return value: the thumbnail image
*/
GimpImage *
file_open_thumbnail (Gimp *gimp,
GimpContext *context,
GimpProgress *progress,
GFile *file,
gint size,
const gchar **mime_type,
gint *image_width,
gint *image_height,
const Babl **format,
gint *num_layers,
GError **error)
{
GimpPlugInProcedure *file_proc;
GimpProcedure *procedure;
g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
g_return_val_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress), NULL);
g_return_val_if_fail (G_IS_FILE (file), NULL);
g_return_val_if_fail (mime_type != NULL, NULL);
g_return_val_if_fail (image_width != NULL, NULL);
g_return_val_if_fail (image_height != NULL, NULL);
g_return_val_if_fail (format != NULL, NULL);
g_return_val_if_fail (num_layers != NULL, NULL);
g_return_val_if_fail (error == NULL || *error == NULL, NULL);
*image_width = 0;
*image_height = 0;
*format = NULL;
*num_layers = -1;
file_proc = gimp_plug_in_manager_file_procedure_find (gimp->plug_in_manager,
GIMP_FILE_PROCEDURE_GROUP_OPEN,
file, NULL);
if (! file_proc || ! file_proc->thumb_loader)
return NULL;
procedure = gimp_pdb_lookup_procedure (gimp->pdb, file_proc->thumb_loader);
if (procedure && procedure->num_args >= 2 && procedure->num_values >= 1)
{
GimpPDBStatusType status;
GimpValueArray *return_vals;
GimpImage *image = NULL;
gchar *path = NULL;
if (! file_proc->handles_uri)
path = g_file_get_path (file);
if (! path)
path = g_file_get_uri (file);
return_vals =
gimp_pdb_execute_procedure_by_name (gimp->pdb,
context, progress, error,
gimp_object_get_name (procedure),
G_TYPE_STRING, path,
GIMP_TYPE_INT32, size,
G_TYPE_NONE);
g_free (path);
status = g_value_get_enum (gimp_value_array_index (return_vals, 0));
if (status == GIMP_PDB_SUCCESS &&
GIMP_VALUE_HOLDS_IMAGE_ID (gimp_value_array_index (return_vals, 1)))
{
image = gimp_value_get_image (gimp_value_array_index (return_vals, 1),
gimp);
if (gimp_value_array_length (return_vals) >= 3 &&
G_VALUE_HOLDS_INT (gimp_value_array_index (return_vals, 2)) &&
G_VALUE_HOLDS_INT (gimp_value_array_index (return_vals, 3)))
{
*image_width =
MAX (0, g_value_get_int (gimp_value_array_index (return_vals, 2)));
*image_height =
MAX (0, g_value_get_int (gimp_value_array_index (return_vals, 3)));
if (gimp_value_array_length (return_vals) >= 5 &&
G_VALUE_HOLDS_INT (gimp_value_array_index (return_vals, 4)))
{
gint value = g_value_get_int (gimp_value_array_index (return_vals, 4));
switch (value)
{
case GIMP_RGB_IMAGE:
*format = gimp_babl_format (GIMP_RGB,
GIMP_PRECISION_U8_GAMMA,
FALSE);
break;
case GIMP_RGBA_IMAGE:
*format = gimp_babl_format (GIMP_RGB,
GIMP_PRECISION_U8_GAMMA,
TRUE);
break;
case GIMP_GRAY_IMAGE:
*format = gimp_babl_format (GIMP_GRAY,
GIMP_PRECISION_U8_GAMMA,
FALSE);
break;
case GIMP_GRAYA_IMAGE:
*format = gimp_babl_format (GIMP_GRAY,
GIMP_PRECISION_U8_GAMMA,
TRUE);
break;
case GIMP_INDEXED_IMAGE:
case GIMP_INDEXEDA_IMAGE:
{
const Babl *rgb;
const Babl *rgba;
babl_new_palette ("-gimp-indexed-format-dummy",
&rgb, &rgba);
if (value == GIMP_INDEXED_IMAGE)
*format = rgb;
else
*format = rgba;
}
break;
default:
break;
}
}
if (gimp_value_array_length (return_vals) >= 6 &&
G_VALUE_HOLDS_INT (gimp_value_array_index (return_vals, 5)))
{
*num_layers =
MAX (0, g_value_get_int (gimp_value_array_index (return_vals, 5)));
}
}
if (image)
{
file_open_sanitize_image (image, FALSE);
*mime_type = file_proc->mime_type;
#ifdef GIMP_UNSTABLE
g_printerr ("opened thumbnail at %d x %d\n",
gimp_image_get_width (image),
gimp_image_get_height (image));
#endif
}
}
gimp_value_array_unref (return_vals);
return image;
}
return NULL;
}
GimpImage *
file_open_image (Gimp *gimp,
GimpContext *context,
GimpProgress *progress,
GFile *file,
GFile *entered_file,
gboolean as_new,
GimpPlugInProcedure *file_proc,
GimpRunMode run_mode,
GimpPDBStatusType *status,
const gchar **mime_type,
GError **error)
{
GimpValueArray *return_vals;
GimpImage *image = NULL;
GFile *local_file = NULL;
gchar *path = NULL;
gchar *entered_uri = NULL;
GError *my_error = NULL;
g_return_val_if_fail (GIMP_IS_GIMP (gimp), NULL);
g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
g_return_val_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress), NULL);
g_return_val_if_fail (G_IS_FILE (file), NULL);
g_return_val_if_fail (G_IS_FILE (entered_file), NULL);
g_return_val_if_fail (status != NULL, NULL);
g_return_val_if_fail (error == NULL || *error == NULL, NULL);
*status = GIMP_PDB_EXECUTION_ERROR;
/* FIXME enable these tests for remote files again, needs testing */
if (g_file_is_native (file) &&
g_file_query_exists (file, NULL))
{
GFileInfo *info;
info = g_file_query_info (file,
G_FILE_ATTRIBUTE_STANDARD_TYPE ","
G_FILE_ATTRIBUTE_ACCESS_CAN_READ,
G_FILE_QUERY_INFO_NONE,
NULL, error);
if (! info)
return NULL;
if (g_file_info_get_file_type (info) != G_FILE_TYPE_REGULAR)
{
g_set_error_literal (error, G_FILE_ERROR, G_FILE_ERROR_FAILED,
_("Not a regular file"));
g_object_unref (info);
return NULL;
}
if (! g_file_info_get_attribute_boolean (info,
G_FILE_ATTRIBUTE_ACCESS_CAN_READ))
{
g_set_error_literal (error, G_FILE_ERROR, G_FILE_ERROR_FAILED,
_("Permission denied"));
g_object_unref (info);
return NULL;
}
g_object_unref (info);
}
if (! file_proc)
file_proc = gimp_plug_in_manager_file_procedure_find (gimp->plug_in_manager,
GIMP_FILE_PROCEDURE_GROUP_OPEN,
file, error);
if (! file_proc)
{
/* don't bail out on remote files, they might need to be
* downloaded for magic matching
*/
if (g_file_is_native (file))
return NULL;
g_clear_error (error);
}
if (! g_file_is_native (file) &&
! file_remote_mount_file (gimp, file, progress, &my_error))
{
if (my_error)
g_propagate_error (error, my_error);
else
*status = GIMP_PDB_CANCEL;
return NULL;
}
if (! file_proc || ! file_proc->handles_uri)
{
path = g_file_get_path (file);
if (! path)
{
local_file = file_remote_download_image (gimp, file, progress,
&my_error);
if (! local_file)
{
if (my_error)
g_propagate_error (error, my_error);
else
*status = GIMP_PDB_CANCEL;
return NULL;
}
/* if we don't have a file proc yet, try again on the local
* file
*/
if (! file_proc)
file_proc = gimp_plug_in_manager_file_procedure_find (gimp->plug_in_manager,
GIMP_FILE_PROCEDURE_GROUP_OPEN,
local_file, error);
if (! file_proc)
{
g_file_delete (local_file, NULL, NULL);
g_object_unref (local_file);
return NULL;
}
path = g_file_get_path (local_file);
}
}
if (! path)
path = g_file_get_uri (file);
entered_uri = g_file_get_uri (entered_file);
if (! entered_uri)
entered_uri = g_strdup (path);
if (progress)
g_object_add_weak_pointer (G_OBJECT (progress), (gpointer) &progress);
return_vals =
gimp_pdb_execute_procedure_by_name (gimp->pdb,
context, progress, error,
gimp_object_get_name (file_proc),
GIMP_TYPE_INT32, run_mode,
G_TYPE_STRING, path,
G_TYPE_STRING, entered_uri,
G_TYPE_NONE);
if (progress)
g_object_remove_weak_pointer (G_OBJECT (progress), (gpointer) &progress);
g_free (path);
g_free (entered_uri);
*status = g_value_get_enum (gimp_value_array_index (return_vals, 0));
if (*status == GIMP_PDB_SUCCESS)
image = gimp_value_get_image (gimp_value_array_index (return_vals, 1),
gimp);
if (local_file)
{
if (image)
gimp_image_set_file (image, file);
g_file_delete (local_file, NULL, NULL);
g_object_unref (local_file);
}
if (*status == GIMP_PDB_SUCCESS)
{
if (image)
{
/* Only set the load procedure if it hasn't already been set. */
if (! gimp_image_get_load_proc (image))
gimp_image_set_load_proc (image, file_proc);
file_proc = gimp_image_get_load_proc (image);
if (mime_type)
*mime_type = file_proc->mime_type;
}
else
{
if (error && ! *error)
g_set_error (error, G_FILE_ERROR, G_FILE_ERROR_FAILED,
_("%s plug-in returned SUCCESS but did not "
"return an image"),
gimp_procedure_get_label (GIMP_PROCEDURE (file_proc)));
*status = GIMP_PDB_EXECUTION_ERROR;
}
}
else if (*status != GIMP_PDB_CANCEL)
{
if (error && ! *error)
g_set_error (error, G_FILE_ERROR, G_FILE_ERROR_FAILED,
_("%s plug-In could not open image"),
gimp_procedure_get_label (GIMP_PROCEDURE (file_proc)));
}
gimp_value_array_unref (return_vals);
if (image)
{
gimp_image_undo_disable (image);
gimp_image_import_color_profile (image, context, progress,
run_mode == GIMP_RUN_INTERACTIVE ?
TRUE : FALSE);
if (file_open_file_proc_is_import (file_proc))
{
/* Remember the import source */
gimp_image_set_imported_file (image, file);
/* We shall treat this file as an Untitled file */
gimp_image_set_file (image, NULL);
}
/* Enables undo again */
file_open_sanitize_image (image, as_new);
}
return image;
}
GFile *export = NULL;
gboolean show_overwrite = FALSE;
if (image)
{
drawable = gimp_image_get_active_drawable (image);
file = gimp_image_get_file (image);
source = gimp_image_get_imported_file (image);
export = gimp_image_get_exported_file (image);
}
show_overwrite =
(source &&
gimp_plug_in_manager_file_procedure_find (gimp->plug_in_manager,
GIMP_FILE_PROCEDURE_GROUP_EXPORT,
source, NULL));
#define SET_VISIBLE(action,condition) \
gimp_action_group_set_action_visible (group, action, (condition) != 0)
#define SET_SENSITIVE(action,condition) \
gimp_action_group_set_action_sensitive (group, action, (condition) != 0)
SET_SENSITIVE ("file-save", drawable);
SET_SENSITIVE ("file-save-as", drawable);
SET_SENSITIVE ("file-save-a-copy", drawable);
SET_SENSITIVE ("file-save-and-close", drawable);
SET_SENSITIVE ("file-revert", file || source);
SET_SENSITIVE ("file-export", drawable);
SET_VISIBLE ("file-export", ! show_overwrite);
SET_SENSITIVE ("file-overwrite", show_overwrite);
