<DIV>I use cairo to draw a horizontal line, regardless of how much the use of cairo_line_width set, I found it to be occupied by 2 pixels high census drawn. I would like to draw a precise line, may I ask how to do</DIV><br><br><span title="neteasefooter"/><hr/>
<a href="http://news.163.com/madeinchina/index.html?from=mailfooter">"中国制造",讲述中国60年往事</a>
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