https://blog.soulbox.cn/tags/%E9%81%AE%E7%BD%A9/Recent content in 遮罩 on SOULBOXHugozh-CNSun, 16 Oct 2022 11:31:49 +0800https://blog.soulbox.cn/posts/flex%E4%B8%AD%E4%BD%BF%E7%94%A8mask%E9%81%AE%E7%BD%A9/Thu, 17 Jan 2013 20:09:55 +0800https://blog.soulbox.cn/posts/flex%E4%B8%AD%E4%BD%BF%E7%94%A8mask%E9%81%AE%E7%BD%A9///先画一个图形作为遮罩，规定显示的范围 <mx:Canvas width="500" height="30" backgroundColor="#ff0000" id="maskCanvas" horizontalCenter="0"/> //要应用遮罩的对象，用mask={“……”}引用： <s:Label x="-300" y="9" height="12" mask="{maskCanvas}" text="这里是要显示的文字" styleName="f12 greenWord"/>