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                <h1>
                    更改工具指针
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                <div><div class="section"><p>每个默认指针都有不同的<dfn class="term">热点</dfn>，它是图像中效果或动作的起点。对于大多数工具，您可以换用显示为以热点为中心的十字线的精确光标。</p>
<p>大多数情况下，工具的指针与该工具的图标相同；您在选择工具时将看到该指针。选框工具的默认指针是十字线指针 <img src="images/croshair.png" />；文本工具的默认指针是 I 型光标 <img src="images/ibeam.png" />；绘图工具的默认指针是“画笔大小”图标。 </p>
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<ol><li class="stepexpand"><span>请选择“编辑”&gt;“首选项”&gt;“光标”(Windows) 或“Photoshop”&gt;“首选项”&gt;“光标”(Mac OS)。</span></li>
<li class="stepexpand"><span>选择“绘画光标”或“其它光标”下的工具指针设置：</span> <dl><dt class="dlterm">标准</dt>
<dd>将指针显示为工具图标。</dd><p class="dlseparator"></p><dt class="dlterm">精确</dt>
<dd>将指针显示为十字线。 </dd><p class="dlseparator"></p><dt class="dlterm">画笔大小（仅限绘画光标）</dt>
<dd>将绘画工具光标显示为表示当前画笔大小的画笔形状。对于非常大的画笔，画笔大小的光标可能无法显示。</dd><p class="dlseparator"></p></dl>
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<li class="stepexpand"><span>如果选择了“画笔大小”作为工具指针设置，请选择“画笔光标”选项：</span> <dl><dt class="dlterm">正常画笔笔尖</dt>
<dd>指针轮廓相当于工具将影响的区域的大约 50%。此选项显示将受到最明显影响的像素。</dd><p class="dlseparator"></p><dt class="dlterm">全大小画笔笔尖</dt>
<dd>指针轮廓几乎相当于工具将影响的区域的 100%，或者说，几乎所有像素都将受到影响。</dd><p class="dlseparator"></p><dt class="dlterm">总是在画笔光标的中心显示十字线</dt>
<dd>在画笔形状的中心显示十字线。 </dd><p class="dlseparator"></p></dl>
</li>
<li class="stepexpand"><span>单击“确定”。</span> <p>“绘画光标”选项控制下列工具的指针：</p>
<p>橡皮擦、铅笔、画笔、修复画笔、橡皮图章、图案图章、快速选择、涂抹、模糊、锐化、减淡、加深和海绵工具</p>
 <p>“其它光标”选项控制下列工具的指针：</p>
<p>选框、套索、多边形套索、魔棒、裁切、切片、修补、吸管、钢笔、渐变、直线、油漆桶、磁性套索、磁性钢笔、自由钢笔、测量和颜色取样器工具</p>
 <div class="tip"><img src="images/tip_help.png" />要切换某些工具指针的标准光标和精确光标，请按 Caps Lock 键。</div></li>
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