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authorPeter Bengtsson <mail@peterbe.com>2020-12-08 14:40:17 -0500
committerPeter Bengtsson <mail@peterbe.com>2020-12-08 14:40:17 -0500
commit33058f2b292b3a581333bdfb21b8f671898c5060 (patch)
tree51c3e392513ec574331b2d3f85c394445ea803c6 /files/zh-cn/web/api/imagedata
parent8b66d724f7caf0157093fb09cfec8fbd0c6ad50a (diff)
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Diffstat (limited to 'files/zh-cn/web/api/imagedata')
-rw-r--r--files/zh-cn/web/api/imagedata/data/index.html95
-rw-r--r--files/zh-cn/web/api/imagedata/height/index.html94
-rw-r--r--files/zh-cn/web/api/imagedata/imagedata/index.html66
-rw-r--r--files/zh-cn/web/api/imagedata/index.html63
-rw-r--r--files/zh-cn/web/api/imagedata/width/index.html94
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diff --git a/files/zh-cn/web/api/imagedata/data/index.html b/files/zh-cn/web/api/imagedata/data/index.html
new file mode 100644
index 0000000000..c25770cb3b
--- /dev/null
+++ b/files/zh-cn/web/api/imagedata/data/index.html
@@ -0,0 +1,95 @@
+---
+title: ImageData.data
+slug: Web/API/ImageData/data
+translation_of: Web/API/ImageData/data
+---
+<p>{{APIRef("Canvas API")}}</p>
+
+<p>只读的 <code><strong>ImageData.data</strong></code> 属性,返回 <span style="line-height: 1.5;">{{jsxref("Uint8ClampedArray")}}</span><span style="line-height: 1.5;"> ,描述</span><span style="line-height: 1.5;">一个一维数组,包含以 RGBA 顺序的数据,数据使用  </span><code style="font-style: normal; line-height: 1.5;">0</code><span style="line-height: 1.5;"> 至 </span><code style="font-style: normal; line-height: 1.5;">255</code><span style="line-height: 1.5;">(包含)的整数表示。 </span></p>
+
+<h2 id="语法">语法</h2>
+
+<pre class="syntaxbox"><em>imagedata</em>.data
+</pre>
+
+<h2 id="示例">示例</h2>
+
+<pre class="brush: js language-js">var imagedata = new ImageData(100, 100);
+imagedata.data; // Uint8ClampedArray[40000]
+</pre>
+
+<h2 id="Specification" name="Specification">规范描述</h2>
+
+<table class="standard-table">
+ <tbody>
+ <tr>
+ <th scope="col">Specification</th>
+ <th scope="col">Status</th>
+ <th scope="col">Comment</th>
+ </tr>
+ <tr>
+ <td>{{SpecName('HTML WHATWG', 'scripting.html#dom-imagedata-data', 'ImageData.data')}}</td>
+ <td>{{Spec2('HTML WHATWG')}}</td>
+ <td> </td>
+ </tr>
+ </tbody>
+</table>
+
+<h2 id="浏览器兼容性">浏览器兼容性</h2>
+
+<p>{{CompatibilityTable}}</p>
+
+<div id="compat-desktop">
+<table class="compat-table">
+ <tbody>
+ <tr>
+ <th>Feature</th>
+ <th>Chrome</th>
+ <th>Firefox (Gecko)</th>
+ <th>Internet Explorer</th>
+ <th>Opera</th>
+ <th>Safari</th>
+ </tr>
+ <tr>
+ <td>Basic support</td>
+ <td>{{CompatVersionUnknown}}</td>
+ <td>{{CompatGeckoDesktop("14")}}</td>
+ <td>9.0</td>
+ <td>9.0</td>
+ <td>3.1</td>
+ </tr>
+ </tbody>
+</table>
+</div>
+
+<div id="compat-mobile">
+<table class="compat-table">
+ <tbody>
+ <tr>
+ <th>Feature</th>
+ <th>Android</th>
+ <th>Firefox Mobile (Gecko)</th>
+ <th>IE Mobile</th>
+ <th>Opera Mobile</th>
+ <th>Safari Mobile</th>
+ </tr>
+ <tr>
+ <td>Basic support</td>
+ <td>{{CompatVersionUnknown}}</td>
+ <td>{{CompatGeckoMobile("14")}}</td>
+ <td>{{CompatVersionUnknown}}</td>
+ <td>{{CompatVersionUnknown}}</td>
+ <td>{{CompatVersionUnknown}}</td>
+ </tr>
+ </tbody>
+</table>
+</div>
+
+<h2 id="参见">参见</h2>
+
+<ul>
+ <li>{{domxref("ImageData.height")}}</li>
+ <li>{{domxref("ImageData.width")}}</li>
+</ul>
+
+<div id="cke_pastebin" style="position: absolute; top: 459.5px; width: 1px; height: 1px; overflow: hidden; left: -1000px;"> </div>
diff --git a/files/zh-cn/web/api/imagedata/height/index.html b/files/zh-cn/web/api/imagedata/height/index.html
new file mode 100644
index 0000000000..2daa6a9daf
--- /dev/null
+++ b/files/zh-cn/web/api/imagedata/height/index.html
@@ -0,0 +1,94 @@
+---
+title: ImageData.height
+slug: Web/API/ImageData/height
+translation_of: Web/API/ImageData/height
+---
+<p>{{APIRef("Canvas API")}}</p>
+
+<p>只读的 <code><strong>ImageData.height</strong></code> 属性,返回在图像数据对象中的行的数量。</p>
+
+<h2 id="语法">语法</h2>
+
+<pre class="syntaxbox"><em>imagedata</em>.height
+</pre>
+
+<h2 id="示例">示例</h2>
+
+<pre class="brush: js language-js">var imagedata = new ImageData(100, 100);
+imagedata.height; // 100
+</pre>
+
+<h2 id="Specification" name="Specification">规范描述</h2>
+
+<table class="standard-table">
+ <tbody>
+ <tr>
+ <th scope="col">Specification</th>
+ <th scope="col">Status</th>
+ <th scope="col">Comment</th>
+ </tr>
+ <tr>
+ <td>{{SpecName('HTML WHATWG', 'scripting.html#dom-imagedata-height', 'ImageData.height')}}</td>
+ <td>{{Spec2('HTML WHATWG')}}</td>
+ <td> </td>
+ </tr>
+ </tbody>
+</table>
+
+<h2 id="浏览器兼容性">浏览器兼容性</h2>
+
+<p>{{CompatibilityTable}}</p>
+
+<div id="compat-desktop">
+<table class="compat-table">
+ <tbody>
+ <tr>
+ <th>Feature</th>
+ <th>Chrome</th>
+ <th>Firefox (Gecko)</th>
+ <th>Internet Explorer</th>
+ <th>Opera</th>
+ <th>Safari</th>
+ </tr>
+ <tr>
+ <td>Basic support</td>
+ <td>{{CompatVersionUnknown}}</td>
+ <td>{{CompatGeckoDesktop("14")}}</td>
+ <td>9.0</td>
+ <td>9.0</td>
+ <td>3.1</td>
+ </tr>
+ </tbody>
+</table>
+</div>
+
+<div id="compat-mobile">
+<table class="compat-table">
+ <tbody>
+ <tr>
+ <th>Feature</th>
+ <th>Android</th>
+ <th>Firefox Mobile (Gecko)</th>
+ <th>IE Mobile</th>
+ <th>Opera Mobile</th>
+ <th>Safari Mobile</th>
+ </tr>
+ <tr>
+ <td>Basic support</td>
+ <td>{{CompatVersionUnknown}}</td>
+ <td>{{CompatGeckoMobile("14")}}</td>
+ <td>{{CompatVersionUnknown}}</td>
+ <td>{{CompatVersionUnknown}}</td>
+ <td>{{CompatVersionUnknown}}</td>
+ </tr>
+ </tbody>
+</table>
+</div>
+
+<h2 id="参见">参见</h2>
+
+<ul>
+ <li>{{domxref("ImageData.width")}}</li>
+</ul>
+
+<div id="cke_pastebin" style="position: absolute; top: 459.5px; width: 1px; height: 1px; overflow: hidden; left: -1000px;"> </div>
diff --git a/files/zh-cn/web/api/imagedata/imagedata/index.html b/files/zh-cn/web/api/imagedata/imagedata/index.html
new file mode 100644
index 0000000000..fc2b782cd0
--- /dev/null
+++ b/files/zh-cn/web/api/imagedata/imagedata/index.html
@@ -0,0 +1,66 @@
+---
+title: ImageData()
+slug: Web/API/ImageData/ImageData
+translation_of: Web/API/ImageData/ImageData
+---
+<p>{{APIRef("Canvas API")}}</p>
+
+<p><code><strong>ImageData()</strong></code> 构造函数返回一个新的实例化的 <code style="font-style: normal; line-height: 1.5;">ImageData</code><span style="line-height: 1.5;"> 对象,</span><span style="line-height: 1.5;">  此对象由给定的类型化数组和指定的宽度与高度组成。</span></p>
+
+<p>这个构造器是创建像这种对象首选的方式。</p>
+
+<h2 id="语法">语法</h2>
+
+<pre class="syntaxbox">new ImageData(<em>array</em>, <em>width</em>, <em>height</em>);
+<em>n</em>ew ImageData(<em>width</em>, <em>height</em>);
+</pre>
+
+<h3 id="参数">参数</h3>
+
+<dl>
+ <dt><code>array </code></dt>
+ <dd>包含图像隐藏像素的 {{jsxref("Uint8ClampedArray")}} 数组。如果数组没有给定,指定大小的黑色矩形图像将会被创建。</dd>
+ <dt><code>width</code></dt>
+ <dd>无符号长整型(unsigned long)数值,描述图像的宽度。</dd>
+ <dt><span style="display: none;"> </span><code>height</code></dt>
+ <dd>      无符号长整型(unsigned long)数值,描述图像的高度。</dd>
+ <dd>如果已给定数组,这个值是可选的:它将通过它的大小和给定的宽度进行推断。</dd>
+</dl>
+
+<dl>
+</dl>
+
+<h2 id="示例">示例</h2>
+
+<pre class="brush: js language-js">var imageData = new ImageData(100, 100); // Creates a 100x100 black rectangle
+// ImageData { width: 100, height: 100, data: Uint8ClampedArray[40000] }
+</pre>
+
+<h2 id="Specification" name="Specification">规范描述</h2>
+
+<table class="standard-table">
+ <tbody>
+ <tr>
+ <th scope="col">Specification</th>
+ <th scope="col">Status</th>
+ <th scope="col">Comment</th>
+ </tr>
+ <tr>
+ <td>{{SpecName('HTML WHATWG', 'scripting.html#dom-imagedata', 'ImageData()')}}</td>
+ <td>{{Spec2('HTML WHATWG')}}</td>
+ <td>Initial definition.</td>
+ </tr>
+ </tbody>
+</table>
+
+<h2 id="浏览器兼容性">浏览器兼容性</h2>
+
+<p>{{Compat("api.ImageData.ImageData")}}</p>
+
+<h2 id="参见">参见</h2>
+
+<ul>
+ <li>{{domxref("CanvasRenderingContext2D.createImageData()")}}, the creator method that can be used outside workers.</li>
+</ul>
+
+<div id="cke_pastebin" style="position: absolute; top: 459.5px; width: 1px; height: 1px; overflow: hidden; left: -1000px;"></div>
diff --git a/files/zh-cn/web/api/imagedata/index.html b/files/zh-cn/web/api/imagedata/index.html
new file mode 100644
index 0000000000..ffb6aa3ba8
--- /dev/null
+++ b/files/zh-cn/web/api/imagedata/index.html
@@ -0,0 +1,63 @@
+---
+title: ImageData
+slug: Web/API/ImageData
+translation_of: Web/API/ImageData
+---
+<div>{{APIRef("Canvas API")}}</div>
+
+<p><code><strong>ImageData</strong></code> 接口描述 {{HTMLElement("canvas")}} 元素的一个隐含像素数据的区域。使用 {{domxref("ImageData.ImageData", "ImageData()")}} 构造函数创建或者使用和 canvas 在一起的 {{domxref("CanvasRenderingContext2D")}} 对象的创建方法: {{domxref("CanvasRenderingContext2D.createImageData", "createImageData()")}} 和 {{domxref("CanvasRenderingContext2D.getImageData", "getImageData()")}}。也可以使用 {{domxref("CanvasRenderingContext2D.putImageData", "putImageData()")}} 设置 canvas 的一部分。</p>
+
+<h2 id="构造函数" style="margin-bottom: 20px; font-size: 2.14285714285714rem;">构造函数</h2>
+
+<dl>
+ <dt>{{domxref("ImageData.ImageData", "ImageData()")}} {{experimental_inline}}</dt>
+ <dd>三个参数,第一个 是{{jsxref("Uint8ClampedArray")}}的实例,第二个和第三个表示的是width和height,必须保证Uint8ClampedArray的length = 4*width*height才不会报错,如果第一个参数Uint8ClampedArray没有的话,自动按照width和height的大小,以0填充整个像素矩阵。</dd>
+ <dd>使用给定的{{jsxref("Uint8ClampedArray")}}创建一个 <code>ImageData</code> 对象,并包含图像的大小。如果不给定数组,会创建一个“完全透明”(因为透明度值为0)的黑色矩形图像。注意,这是最常见的方式去创建这样一个对象,在 {{domxref("CanvasRenderingContext2D.createImageData", "createImageData()")}} 不可用时。</dd>
+</dl>
+
+<h2 id="属性" style="margin-bottom: 20px; font-size: 2.14285714285714rem;">属性</h2>
+
+<dl>
+ <dt>{{domxref("ImageData.data")}} {{readonlyInline}}</dt>
+ <dd>{{jsxref("Uint8ClampedArray")}} 描述了一个一维数组,包含以 RGBA 顺序的数据,数据使用  <code style="font-style: normal;">0</code> 至 <code style="font-style: normal;">255</code>(包含)的整数表示。 </dd>
+ <dt>{{domxref("ImageData.height")}} {{readonlyInline}}</dt>
+ <dd>无符号长整型(<code>unsigned</code> <code>long</code>),使用像素描述 <strong style="font-family: courier new,andale mono,monospace; font-weight: bold;">ImageData</strong> 的实际高度。</dd>
+ <dt>{{domxref("ImageData.width")}} {{readonlyInline}}</dt>
+ <dd>无符号长整型(<code style="font-style: normal;">unsigned</code> <code style="font-style: normal;">long</code>),使用像素描述 <strong style="font-family: courier new,andale mono,monospace;">ImageData</strong> 的实际宽度。</dd>
+</dl>
+
+<h2 id="Specifications" name="Specifications" style="margin-bottom: 20px; font-size: 2.14285714285714rem;">规范描述</h2>
+
+<table class="standard-table">
+ <thead>
+ <tr>
+ <th scope="col">Specification</th>
+ <th scope="col">Status</th>
+ <th scope="col">Comment</th>
+ </tr>
+ </thead>
+ <tbody>
+ <tr>
+ <td>{{SpecName('HTML WHATWG', "canvas.html#imagedata", "ImageData")}}</td>
+ <td>{{Spec2('HTML WHATWG')}}</td>
+ <td></td>
+ </tr>
+ </tbody>
+</table>
+
+<h2 id="浏览器兼容性" style="margin-bottom: 20px; font-size: 2.14285714285714rem;">浏览器兼容性</h2>
+
+<div>{{CompatibilityTable}}</div>
+
+<div>
+
+
+<p>{{Compat("api.ImageData")}}</p>
+</div>
+
+<h2 id="参见" style="margin-bottom: 20px; font-size: 2.14285714285714rem;">参见</h2>
+
+<ul>
+ <li>{{domxref("CanvasRenderingContext2D")}}</li>
+ <li>{{HTMLElement("canvas")}} 元素及其相关的接口 {{domxref("HTMLCanvasElement")}}。</li>
+</ul>
diff --git a/files/zh-cn/web/api/imagedata/width/index.html b/files/zh-cn/web/api/imagedata/width/index.html
new file mode 100644
index 0000000000..1d6476f05f
--- /dev/null
+++ b/files/zh-cn/web/api/imagedata/width/index.html
@@ -0,0 +1,94 @@
+---
+title: ImageData.width
+slug: Web/API/ImageData/width
+translation_of: Web/API/ImageData/width
+---
+<p>{{APIRef("Canvas API")}}</p>
+
+<p>只读的 <code><strong>ImageData.width</strong></code> 属性,返回在图像数据对象中每一行像素的数量。</p>
+
+<h2 id="语法">语法</h2>
+
+<pre class="syntaxbox"><em>imagedata</em>.width
+</pre>
+
+<h2 id="示例">示例</h2>
+
+<pre class="brush: js language-js">var imagedata = new ImageData(100, 100);
+imagedata.width // 100
+</pre>
+
+<h2 id="Specification" name="Specification">规范描述</h2>
+
+<table class="standard-table">
+ <tbody>
+ <tr>
+ <th scope="col">Specification</th>
+ <th scope="col">Status</th>
+ <th scope="col">Comment</th>
+ </tr>
+ <tr>
+ <td>{{SpecName('HTML WHATWG', 'scripting.html#dom-imagedata-width', 'ImageData.width')}}</td>
+ <td>{{Spec2('HTML WHATWG')}}</td>
+ <td> </td>
+ </tr>
+ </tbody>
+</table>
+
+<h2 id="浏览器兼容性">浏览器兼容性</h2>
+
+<p>{{CompatibilityTable}}</p>
+
+<div id="compat-desktop">
+<table class="compat-table">
+ <tbody>
+ <tr>
+ <th>Feature</th>
+ <th>Chrome</th>
+ <th>Firefox (Gecko)</th>
+ <th>Internet Explorer</th>
+ <th>Opera</th>
+ <th>Safari</th>
+ </tr>
+ <tr>
+ <td>Basic support</td>
+ <td>{{CompatVersionUnknown}}</td>
+ <td>{{CompatGeckoDesktop("14")}}</td>
+ <td>9.0</td>
+ <td>9.0</td>
+ <td>3.1</td>
+ </tr>
+ </tbody>
+</table>
+</div>
+
+<div id="compat-mobile">
+<table class="compat-table">
+ <tbody>
+ <tr>
+ <th>Feature</th>
+ <th>Android</th>
+ <th>Firefox Mobile (Gecko)</th>
+ <th>IE Mobile</th>
+ <th>Opera Mobile</th>
+ <th>Safari Mobile</th>
+ </tr>
+ <tr>
+ <td>Basic support</td>
+ <td>{{CompatVersionUnknown}}</td>
+ <td>{{CompatGeckoMobile("14")}}</td>
+ <td>{{CompatVersionUnknown}}</td>
+ <td>{{CompatVersionUnknown}}</td>
+ <td>{{CompatVersionUnknown}}</td>
+ </tr>
+ </tbody>
+</table>
+</div>
+
+<h2 id="参见">参见</h2>
+
+<ul>
+ <li>{{domxref("ImageData.height")}}</li>
+</ul>
+
+<div id="cke_pastebin" style="position: absolute; top: 459.5px; width: 1px; height: 1px; overflow: hidden; left: -1000px;"> </div>