docs
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hyb1996
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<ul>
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<li><a class="nav-documentation" href="documentation.html">关于本文档</a></li>
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<li><a class="nav-http-www-w3school-com-cn-js-pro_js_syntax-asp" href="http://www.w3school.com.cn/js/pro_js_syntax.asp">W3CSchool - ECMAScript教程</a></li>
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<li><a class="nav-http-es6-ruanyifeng-com-README" href="http://es6.ruanyifeng.com/#README">阮一峰 - ECMAScript教程</a></li>
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<li><a class="nav-http-es6-ruanyifeng-com-README" href="http://es6.ruanyifeng.com/#README">阮一峰 - ECMAScript 6教程</a></li>
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</ul>
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<div class="line"></div>
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@@ -28,7 +28,7 @@
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<li><a class="nav-qa" href="qa.html">Q&A - 常见问题</a></li>
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<li><a class="nav-app" href="app.html">App - 应用</a></li>
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<li><a class="nav-console" href="console.html">Console - 控制台</a></li>
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<li><a class="nav-coordinates-based-automation" href="coordinates-based-automation.html">CoordinatesBasedAutomation - 基于坐标的触摸模拟</a></li>
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<li><a class="nav-coordinates-based-automation" href="coordinates-based-automation.html">CoordinatesBasedAutomation - 基于坐标的操作</a></li>
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<li><a class="nav-device" href="device.html">Device - 设备</a></li>
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<li><a class="nav-dialogs" href="dialogs.html">Dialogs - 对话框</a></li>
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<li><a class="nav-engines" href="engines.html">Engines - 脚本引擎</a></li>
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@@ -40,7 +40,7 @@
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<li><a class="nav-images active" href="images.html">Images - 图片与图色处理</a></li>
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<li><a class="nav-keys" href="keys.html">Keys - 按键模拟</a></li>
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<li><a class="nav-modules" href="modules.html">Modules - 模块</a></li>
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<li><a class="nav-widgets-based-automation" href="widgets-based-automation.html">WidgetsBasedAutomation - 基于控件的触摸模拟</a></li>
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<li><a class="nav-widgets-based-automation" href="widgets-based-automation.html">WidgetsBasedAutomation - 基于控件的操作</a></li>
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<li><a class="nav-shell" href="shell.html">Shell - Shell命令</a></li>
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<li><a class="nav-storages" href="storages.html">Storages - 本地存储</a></li>
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<li><a class="nav-threads" href="threads.html">Threads - 多线程</a></li>
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@@ -251,13 +251,18 @@ if(point){
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});
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</code></pre><p>该函数也可以作为全局函数使用。</p>
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<h2>images.findColorEquals(img, color[, x, y, width, height])<span><a class="mark" href="#images_images_findcolorequals_img_color_x_y_width_height" id="images_images_findcolorequals_img_color_x_y_width_height">#</a></span></h2>
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<p>严格找色的简便方法。找色时要求颜色完全相等才匹配。</p>
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<p>相当于</p>
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<pre><code>images.findColor(img, color, {
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region: [x, y, width, height],
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threshold: 0
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});
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</code></pre><p>该函数也可以作为全局函数使用。</p>
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<div class="signature"><ul>
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<li><code>img</code> <span class="type"><Image></span> 图片</li>
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<li><code>color</code> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#Number_type" class="type"><number></a> | <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#String_type" class="type"><string></a> 要寻找的颜色</li>
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<li><code>x</code> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#Number_type" class="type"><number></a> 找色区域的左上角横坐标</li>
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<li><code>y</code> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#Number_type" class="type"><number></a> 找色区域的左上角纵坐标</li>
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<li><code>width</code> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#Number_type" class="type"><number></a> 找色区域的宽度</li>
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<li><code>height</code> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#Number_type" class="type"><number></a> 找色区域的高度</li>
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<li>返回 <span class="type"><Point></span></li>
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</ul>
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</div><p>在图片img指定区域中找到颜色和color完全相等的某个点，并返回该点的左边；如果没有找到，则返回<code>null</code>。</p>
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<p>找色区域通过<code>x</code>, <code>y</code>, <code>width</code>, <code>height</code>指定，如果不指定找色区域，则在整张图片中寻找。</p>
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<p>该函数也可以作为全局函数使用。</p>
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<p>示例：
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(通过找QQ红点的颜色来判断是否有未读消息)</p>
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<pre><code>requestScreenCapture();
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@@ -276,11 +281,14 @@ if(p){
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<li><code>x</code> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#Number_type" class="type"><number></a> 要检测的位置横坐标</li>
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<li><code>y</code> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#Number_type" class="type"><number></a> 要检测的位置纵坐标</li>
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<li><code>threshold</code> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#Number_type" class="type"><number></a> 颜色相似度临界值，默认为16。取值范围为0~255。</li>
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<li><code>algorithm</code> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#String_type" class="type"><string></a> 颜色匹配算法，包括:<ul>
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<li><p><code>algorithm</code> <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Data_structures#String_type" class="type"><string></a> 颜色匹配算法，包括:</p>
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<ul>
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<li>"equal": 相等匹配，只有与给定颜色color完全相等时才匹配。</li>
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<li>"diff": 差值匹配。与给定颜色的R、G、B差的绝对值之和小于threshold时匹配。</li>
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<li>"rgb": rgb欧拉距离相似度。与给定颜色color的rgb欧拉距离小于等于threshold时匹配。</li>
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<li>"rgb+": 加权rgb欧拉距离匹配(<a href="https://en.wikipedia.org/wiki/Color_difference">LAB Delta E</a>)。</li>
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<li><p>"rgb": rgb欧拉距离相似度。与给定颜色color的rgb欧拉距离小于等于threshold时匹配。</p>
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</li>
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<li><p>"rgb+": 加权rgb欧拉距离匹配(<a href="https://en.wikipedia.org/wiki/Color_difference">LAB Delta E</a>)。</p>
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</li>
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<li>"hs": hs欧拉距离匹配。hs为HSV空间的色调值。</li>
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</ul>
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</li>
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