[Dillo-dev]what should do after the window is scrolled?

After the window is scrolled, should the new contents of the window be redrawed by the code written by human? Can we output the whole contents to a place, then when the window is scrolled, we only need to updated the visible rectangle parameter? --------------------------------- Do You Yahoo!? 惠普TT游戏剧，玩游戏，中大奖！