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<ul class="navigation"><li class="prev"><a accesskey="p" class="prev" href="WSfd1234e1c4b69f30ea53e41001031ab64-7867a.html" title="蒙版图层"><img src="images/blank.gif" alt="上一页" width="17" height="17" /></a></li><li class="next"><a accesskey="n" class="next" href="WS53F74E51-AED7-4f75-A1E3-7285F83FD96Ca.html" title="添加图层蒙版"><img src="images/blank.gif" alt="下一页" width="17" height="17" /></a></li></ul><div class="hierarchy"><a href="WSfd1234e1c4b69f30ea53e41001031ab64-78e4a.html">图层</a> /
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                <h1>
                    关于图层和矢量蒙版
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                <div><p>可以使用蒙版来隐藏部分图层并显示下面的部分图层。可以创建两种类型的蒙版：</p>
<ul><li><p>图层蒙版是与分辨率相关的位图图像，可使用绘画或选择工具进行编辑。</p>
</li>
<li><p>矢量蒙版与分辨率无关，可使用钢笔或形状工具创建。</p>
<p>图层和矢量蒙版是非破坏性的，这表示您以后可以返回并重新编辑蒙版，而不会丢失蒙版隐藏的像素。</p>
<p>在“图层”面板中，图层蒙版和矢量蒙版都显示为图层缩览图右边的附加缩览图。对于图层蒙版，此缩览图代表添加图层蒙版时创建的灰度通道。矢量蒙版缩览图代表从图层内容中剪下来的路径。</p>
<div class="note"><span class="notetitle">注：  </span>要在背景图层中创建图层或矢量蒙版，请首先将此图层转换为常规图层（“图层”&gt;“新建”&gt;“图层背景”）。</div>
<div class="fignone"><img alt="" id="la_16" src="images/la_16.png" /><div class="figdesc">蒙版图层</div><br /><dl><dt class="dlterm">A.</dt>
<dd>图层蒙版缩览图</dd><p class="dlseparator"></p><dt class="dlterm">B.</dt>
<dd>矢量蒙版缩览图</dd><p class="dlseparator"></p><dt class="dlterm">C.</dt>
<dd>“矢量蒙版链接”图标</dd><p class="dlseparator"></p><dt class="dlterm">D.</dt>
<dd>添加蒙版</dd><p class="dlseparator"></p></dl>
</div></li>
</ul>
<p>也可以编辑图层蒙版，以便向蒙版区域中添加内容或从中减去内容。图层蒙版是一种灰度图像，因此用黑色绘制的区域将被隐藏，用白色绘制的区域是可见的，而用灰度梯度绘制的区域则会出现在不同层次的透明区域中。 </p>
<div class="fignone"><img alt="" id="la_17" src="images/la_17.png" /><div class="figdesc">用黑色绘制的背景；用灰色绘制的说明卡片；用白色绘制的篮子</div><br /></div><p>矢量蒙版可在图层上创建锐边形状，无论何时当您想要添加边缘清晰分明的设计元素时，矢量蒙版都非常有用。使用矢量蒙版创建图层之后，您可以向该图层应用一个或多个图层样式，如果需要，还可以编辑这些图层样式，并且立即会有可用的按钮、面板或其它 Web 设计元素。 </p>
<div class="para">“蒙版”面板提供用于调整蒙版的附加控件。可以像处理选区一样，更改蒙版的不透明度以增加或减少显示蒙版内容、反相蒙版或调整蒙版边界。 <div class="fignone"><img alt="" id="la_maskspanel" src="images/la_maskspanel.png" /><div class="figdesc">蒙版面板 </div><br /><dl><dt class="dlterm">A.</dt>
<dd>选择滤镜蒙版。</dd><p class="dlseparator"></p><dt class="dlterm">B.</dt>
<dd>添加像素蒙版。 </dd><p class="dlseparator"></p><dt class="dlterm">C.</dt>
<dd>添加矢量蒙版。 </dd><p class="dlseparator"></p><dt class="dlterm">D.</dt>
<dd>面板菜单。</dd><p class="dlseparator"></p><dt class="dlterm">E.</dt>
<dd>应用蒙版</dd><p class="dlseparator"></p></dl>
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