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<area shape="rect" id="node2" href="$de/def/a01016.xhtml#a0bbd760f4b1a21ef8b777c207006dfcd" title="清除图形接口上下文缓冲区。 " alt="" coords="239,49,423,75"/>
<area shape="rect" id="node7" href="$d7/d92/a00887.xhtml#aec6ac2fb1057d1c19a46e54593726796" title="清除缓冲区第 l 行起始的 n 行像素。 " alt="" coords="239,101,423,143"/>
<area shape="rect" id="node3" href="$d1/de1/a00213.xhtml#a73879d5b7943cb3d4559933ccc3305c2" title="清除缓冲区。 " alt="" coords="471,39,685,80"/>
<area shape="rect" id="node4" href="$d1/de1/a00213.xhtml#ab7056854f7db84c78c0e0be43c06fca7" title="重新设置缓冲区大小。 " alt="" coords="733,5,948,47"/>
<area shape="rect" id="node6" href="$d1/de1/a00213.xhtml#ac6bbeeaca97ba84db8e6612efeba9fad" title="交换宽和高；同时清除缓冲区。 " alt="" coords="733,71,948,112"/>
<area shape="rect" id="node5" href="$d1/de1/a00213.xhtml#a016ee549fb6dc0c6f8d59549b47b2439" title="YSLib::Drawing::CompactPixmap\l::CompactPixmap" alt="" coords="996,5,1211,47"/>
<area shape="rect" id="node8" href="$d7/d92/a00887.xhtml#a4dbb10cac9a5645360135d8309598783" title="清除缓冲区中的指定行号的文本行。 " alt="" coords="486,104,670,145"/>
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