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	<title>中文Flex例子 &#187; 黑白图片</title>
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	<description>中文Adobe Flex例子,Flex实例教程,RIA资源,全文检索技术,算法和数据结构</description>
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		<title>Flex中利用ColorMatrixFilter将图片转换为黑白图片的例子</title>
		<link>http://blog.minidx.com/2008/04/27/785.html</link>
		<comments>http://blog.minidx.com/2008/04/27/785.html#comments</comments>
		<pubDate>Sun, 27 Apr 2008 14:38:41 +0000</pubDate>
		<dc:creator>Minidxer</dc:creator>
				<category><![CDATA[Flex]]></category>
		<category><![CDATA[ColorMatrixFilter]]></category>
		<category><![CDATA[Embed]]></category>
		<category><![CDATA[Image]]></category>
		<category><![CDATA[黑白图片]]></category>

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		<description><![CDATA[在编写相册等一些图片应用的时候，将彩色照片转化为黑白的是一个必不可少的功能。接下来这个例子演示了如何利用ColorMatrixFilter将图片转换为黑白图片。这其实是Flash文档的“Learning ActionScript 2.0″这本书中一个例子(click here)。这里只不过是将其在Flex中实现。更多的相关信息，可以看ColorMatrixFilter &#8211; Flex 3 Language Reference。
让我们先来看一下Demo（可以右键View Source或点击这里察看源代码）：









下面是完整代码(或点击这里察看)：
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