static GValueArray *
floating_sel_anchor_invoker (GimpProcedure *procedure,
Gimp *gimp,
GimpContext *context,
GimpProgress *progress,
const GValueArray *args,
GError **error)
{
gboolean success = TRUE;
GimpLayer *floating_sel;
floating_sel = gimp_value_get_layer (&args->values[0], gimp);
if (success)
{
if (gimp_layer_is_floating_sel (floating_sel))
{
floating_sel_anchor (floating_sel);
}
else
{
g_set_error_literal (error, GIMP_PDB_ERROR,
GIMP_PDB_ERROR_INVALID_ARGUMENT,
_("Cannot anchor this layer because "
"it is not a floating selection."));
success = FALSE;
}
}
return gimp_procedure_get_return_values (procedure, success,
error ? *error : NULL);
}
static GValueArray *
floating_sel_attach_invoker (GimpProcedure *procedure,
Gimp *gimp,
GimpContext *context,
GimpProgress *progress,
const GValueArray *args,
GError **error)
{
gboolean success = TRUE;
GimpLayer *layer;
GimpDrawable *drawable;
layer = gimp_value_get_layer (&args->values[0], gimp);
drawable = gimp_value_get_drawable (&args->values[1], gimp);
if (success)
{
if (gimp_pdb_item_is_attached (GIMP_ITEM (drawable), NULL, TRUE, error) &&
gimp_pdb_item_is_not_group (GIMP_ITEM (drawable), error))
floating_sel_attach (layer, drawable);
else
success = FALSE;
}
return gimp_procedure_get_return_values (procedure, success,
error ? *error : NULL);
}
static GimpValueArray *
selection_layer_alpha_invoker (GimpProcedure *procedure,
Gimp *gimp,
GimpContext *context,
GimpProgress *progress,
const GimpValueArray *args,
GError **error)
{
gboolean success = TRUE;
GimpLayer *layer;
layer = gimp_value_get_layer (gimp_value_array_index (args, 0), gimp);
if (success)
{
if (gimp_pdb_item_is_attached (GIMP_ITEM (layer), NULL, 0, error))
gimp_item_to_selection (GIMP_ITEM (layer),
GIMP_CHANNEL_OP_REPLACE,
TRUE, FALSE, 0.0, 0.0);
else
success = FALSE;
}
return gimp_procedure_get_return_values (procedure, success,
error ? *error : NULL);
}
static GimpValueArray *
floating_sel_remove_invoker (GimpProcedure *procedure,
Gimp *gimp,
GimpContext *context,
GimpProgress *progress,
const GimpValueArray *args,
GError **error)
{
gboolean success = TRUE;
GimpLayer *floating_sel;
floating_sel = gimp_value_get_layer (gimp_value_array_index (args, 0), gimp);
if (success)
{
if (gimp_layer_is_floating_sel (floating_sel))
{
gimp_image_remove_layer (gimp_item_get_image (GIMP_ITEM (floating_sel)),
floating_sel, TRUE, NULL);
}
else
{
g_set_error_literal (error, GIMP_PDB_ERROR,
GIMP_PDB_ERROR_INVALID_ARGUMENT,
_("Cannot remove this layer because "
"it is not a floating selection."));
success = FALSE;
}
}
return gimp_procedure_get_return_values (procedure, success,
error ? *error : NULL);
}
static GValueArray *
selection_layer_alpha_invoker (GimpProcedure *procedure,
Gimp *gimp,
GimpContext *context,
GimpProgress *progress,
const GValueArray *args,
GError **error)
{
gboolean success = TRUE;
GimpLayer *layer;
layer = gimp_value_get_layer (&args->values[0], gimp);
if (success)
{
GimpImage *image = gimp_item_get_image (GIMP_ITEM (layer));
gimp_channel_select_alpha (gimp_image_get_mask (image),
GIMP_DRAWABLE (layer),
GIMP_CHANNEL_OP_REPLACE, FALSE, 0.0, 0.0);
}
return gimp_procedure_get_return_values (procedure, success,
error ? *error : NULL);
}