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<title>6.5. 放大镜工具</title>
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<th colspan="3" align="center" id="chaptername">6.5. 放大镜工具</th>
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<td width="20%" align="left"><a accesskey="p" href="ch03s06s04.html">上一页</a> </td>
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<th width="60%" align="center" id="sectionname">6.5. 放大镜工具</th>
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<div class="sect2" lang="zh_CN" xml:lang="zh_CN">
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<div class="titlepage">
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<h3 class="title"><a id="gimp-tool-zoom"></a>6.5. 放大镜工具</h3>
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<a id="id3297960" class="indexterm"></a>
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<h4 class="title"><a id="id3299347"></a>启动工具</h4>
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<div class="itemizedlist">
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按如下步骤启动放大镜工具,在图像菜单中:<span class="guimenuitem">工具</span>/<span class="guimenuitem">放大镜</span>
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<span class="guiicon">
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<h4 class="title"><a id="id3299132"></a>相关按键(默认值)</h4>
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<span><b class="keycap">Ctrl</b></span>
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按住 <span><b class="keycap">Ctrl</b></span> 同时点击图像中一点,将从放大变为缩小。
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<h4 class="title"><a id="id3299437"></a>选项</h4>
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<div class="variablelist">
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<span class="term">概述</span>
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<span class="guiicon">
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<span class="inlinemediaobject"><img src="../images/toolbox/zoom.png" /></span>
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<span class="term">允许调整窗口大小</span>
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该选项允许包含有您的图像窗口按被缩放大小自动调整。
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<span class="term">工具切换</span>
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<span class="term">阈值</span>
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该选项设置在实际缩放到阈值大小的矩形之前必须用鼠标拖出矩形的大小。一个高值意谓着缩放到该大小时需要拖出更大的矩形。到该值太小时,图像则会单级缩放。
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<td width="40%" align="left"><a accesskey="p" href="ch03s06s04.html">上一页</a> </td>
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<td width="40%" align="right"> <a accesskey="n" href="ch03s06s06.html">下一页</a></td>
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<td width="40%" align="left" valign="top">6.4. 颜色拾取工具 </td>
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<td width="20%" align="center">
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<a accesskey="h" href="index.html">起始页</a>
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<td width="40%" align="right" valign="top"> 6.6. 测量工具</td>