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画布 shadowOffsetX 属性

❮ 画布参考

示例

绘制一个阴影在右侧 20 像素(从矩形的左侧位置)的矩形

您的浏览器不支持 HTML5 canvas 标签。

JavaScript

const canvas = document.getElementById("myCanvas");
const ctx = canvas.getContext("2d");
ctx.shadowBlur = 10;

ctx.shadowOffsetX = 20;
ctx.shadowColor = "black";
ctx.fillStyle = "red";
ctx.fillRect(20, 20, 100, 80);
亲自试一试 »

描述

shadowOffsetX 属性设置或返回阴影相对于形状的水平距离。

默认值为 0。

描述
0阴影在形状后面
20阴影从形状左侧位置向右开始 20 像素
-20阴影从形状左侧位置向左开始 20 像素

参见

shadowOffsetY 属性(设置阴影 y 位置)

shadowColor 属性(设置阴影颜色)

shadowBlur 属性(设置阴影模糊)

fillRect() 方法(绘制填充矩形)

fillStyle() 属性(设置填充颜色/样式)


语法

context.shadowOffsetX = number

属性值

描述 播放它
number 阴影相对于形状的水平距离 播放它 »

浏览器支持

<canvas> 元素是 HTML5 标准(2014)。

shadowOffsetX 在所有现代浏览器中都受支持

Chrome Edge Firefox Safari Opera IE
9-11

❮ 画布参考
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