+ if (impress_document->mutex)
+ g_mutex_free (impress_document->mutex);
+
+ if (impress_document->imp)
+ imp_close (impress_document->imp);
+
+ if (impress_document->ctx)
+ imp_delete_context (impress_document->ctx);
+
+ if (impress_document->pango_ctx)
+ g_object_unref (impress_document->pango_ctx);
+
+ if (impress_document->pixmap)
+ g_object_unref (G_OBJECT (impress_document->pixmap));