static int canvas_lua_delete(lua_State *L)
{
GtCanvas **canvas;
canvas = check_canvas(L, 1);
gt_canvas_delete(*canvas);
return 0;
}
static int layout_lua_sketch(lua_State *L)
{
GtLayout **layout;
GtCanvas **canvas;
GtError *err;
int had_err = 0;
layout = check_layout(L, 1);
canvas = check_canvas(L, 2);
err = gt_error_new();
had_err = gt_layout_sketch(*layout, *canvas, err);
if (had_err < 0)
return gt_lua_error(L, err);
gt_error_delete(err);
return 0;
}
static int canvas_cairo_file_lua_to_file(lua_State *L)
{
GtCanvas **canvas;
GtCanvasCairoFile *ccf = NULL;
GtError *err;
const char *fn;
int had_err = 0;
canvas = check_canvas(L, 1);
ccf = canvas_cairo_file_try_cast(*canvas);
luaL_argcheck(L, ccf, 1, "must be a CanvasCairoFile object");
fn = luaL_checkstring(L, 2);
gt_assert(canvas);
err = gt_error_new();
had_err = gt_canvas_cairo_file_to_file(ccf, fn, err);
if (had_err)
return gt_lua_error(L, err);
gt_error_delete(err);
return 0;
}
