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gboolean
gimp_gradients_refresh (void);
Refresh current gradients. This function always succeeds.
This procedure retrieves all gradients currently in the user's gradient path and updates the gradient dialogs accordingly.
gchar ** gimp_gradients_get_list (const gchar *filter,gint *num_gradients);
Retrieve the list of loaded gradients.
This procedure returns a list of the gradients that are currently
loaded. You can later use the gimp_context_set_gradient() function
to set the active gradient.