AS3中使用摄像头代码,ActionScript代码库,德仔网

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【ActionScript】 AS3中使用摄像头
作者: / 发布于2011/1/3/ 1430
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            <pre style="line-height: 150%; font-family: Verdana, Monospace; font-size: 12px; font-weight: bold; margin-right: 10px"><span style="color: #0099cc">if</span><span style="color: #66cc66">(</span><span style="color: blue">Camera</span>.<span style="color: blue">names</span>.<span style="color: blue">length</span>==<span style="color: #cc66cc">0</span><span style="color: #66cc66">)</span>
<span style="color: #66cc66">{</span>
    <span style="color: #0000ff">var</span> _txt:<span style="color: blue">TextField</span> = <span style="color: #0000ff">new</span> <span style="color: blue">TextField</span><span style="color: #66cc66">(</span><span style="color: #66cc66">)</span>;
    _txt.<span style="color: #006600">thickness</span>=<span style="color: #cc66cc">5</span>;
    _txt.<span style="color: blue">textColor</span> = 0xFF0000; 
    _txt.<span style="color: blue">width</span> = <span style="color: blue">stage</span>.<span style="color: blue">width</span>;
    _txt.<span style="color: blue">text</span> = <span style="color: #ff0000">"There is no usable camera."</span>;
    addChild<span style="color: #66cc66">(</span> _txt <span style="color: #66cc66">)</span>;
    <span style="color: #0099cc">return</span>;
<span style="color: #66cc66">}</span>

<span style="font-style: italic; color: #808080">// Get the default camera</span>
<span style="color: #0000ff">var</span> _cam:<span style="color: blue">Camera</span> = <span style="color: blue">Camera</span>.<span style="color: #006600">getCamera</span><span style="color: #66cc66">(</span><span style="color: #66cc66">)</span>;

<span style="font-style: italic; color: #808080">// If that doesn't work, look for one named "USB Video Class Video"</span>
<span style="font-style: italic; color: #808080">// This is mostly for Mac</span>
<span style="color: #0099cc">if</span><span style="color: #66cc66">(</span><span style="color: #66cc66">!</span>_cam<span style="color: #66cc66">)</span> <span style="color: #66cc66">{</span>
    <span style="color: #0000ff">var</span> <span style="color: blue">index</span>:<span style="color: blue">int</span> = <span style="color: #cc66cc">0</span>;
    <span style="color: #0099cc">for</span> <span style="color: #66cc66">(</span> <span style="color: #0000ff">var</span> i : <span style="color: blue">int</span> = <span style="color: #cc66cc">0</span> ; i <span style="color: #66cc66"><</span> <span style="color: blue">Camera</span>.<span style="color: blue">names</span>.<span style="color: blue">length</span> ; i++ <span style="color: #66cc66">)</span> <span style="color: #66cc66">{</span>
        <span style="color: #0099cc">if</span> <span style="color: #66cc66">(</span> <span style="color: blue">Camera</span>.<span style="color: blue">names</span><span style="color: #66cc66">[</span> i <span style="color: #66cc66">]</span> == <span style="color: #ff0000">"USB Video Class Video"</span> <span style="color: #66cc66">)</span> 
            <span style="color: blue">index</span> = i;
    <span style="color: #66cc66">}</span>
    _cam = <span style="color: blue">Camera</span>.<span style="color: #006600">getCamera</span><span style="color: #66cc66">(</span> <span style="color: blue">String</span><span style="color: #66cc66">(</span> <span style="color: blue">index</span> <span style="color: #66cc66">)</span> <span style="color: #66cc66">)</span>;
<span style="color: #66cc66">}</span>

<span style="font-style: italic; color: #808080">// If we still don't have a cmaera, open the security panel</span>
<span style="color: #0099cc">if</span><span style="color: #66cc66">(</span><span style="color: #66cc66">!</span>_cam<span style="color: #66cc66">)</span> <span style="color: #66cc66">{</span>
    Security.<span style="color: blue">showSettings</span><span style="color: #66cc66">(</span> SecurityPanel.<span style="color: blue">CAMERA</span> <span style="color: #66cc66">)</span>;
<span style="color: #66cc66">}</span>                

_cam = <span style="color: blue">Camera</span>.<span style="color: #006600">getCamera</span><span style="color: #66cc66">(</span><span style="color: #66cc66">)</span>;
_cam.<span style="color: blue">setMode</span><span style="color: #66cc66">(</span> <span style="color: #cc66cc">640</span>, <span style="color: #cc66cc">480</span>, <span style="color: #cc66cc">12</span>, <span style="color: #0000ff">true</span> <span style="color: #66cc66">)</span>;

_video = <span style="color: #0000ff">new</span> <span style="color: blue">Video</span><span style="color: #66cc66">(</span> _cam.<span style="color: blue">width</span>, _cam.<span style="color: blue">height</span> <span style="color: #66cc66">)</span>;
_video.<span style="color: #006600">attachCamera</span><span style="color: #66cc66">(</span> _cam <span style="color: #66cc66">)</span>;</pre>
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