2011年10月6日
html5 canvas 渲染像素混合模式
摘要： Canvas API 的globalCompositeOperation 属性的取值:source-over: This is the default setting and draws new shapes on top of the existing canvas content.source-in: The new shape is drawn only where both the new shape and the destination canvas overlap. Everything else is made transparent.source-out: The new . 阅读全文
posted @ 2011-10-06 20:59 vily_雷 阅读(1047) 评论(0) 推荐(0)