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Canvas createPattern() 方法

❮ Canvas 参考

要使用的图像

Lamp

示例

在水平和垂直方向上重复图像

您的浏览器不支持 HTML5 canvas 标签。

JavaScript

const canvas = document.getElementById("myCanvas");
const ctx = canvas.getContext("2d");
const img = document.getElementById("lamp");
const pat = ctx.createPattern(img, "repeat");
ctx.rect(0, 0, 150, 100);
ctx.fillStyle = pat;
ctx.fill();
自己试试 »

描述

createPattern() 方法按指定方向重复指定元素。

该元素可以是图像、视频或另一个 <canvas> 元素。

重复的元素可用于绘制/填充矩形、圆形、线条等。

JavaScript 语法 context.createPattern(image, "repeat|repeat-x|repeat-y|no-repeat");

参数值

参数 描述
image 指定要使用的图案的图像、画布或视频元素
repeat 默认值。图案在水平和垂直方向上重复
repeat-x 图案仅在水平方向上重复
repeat-y 图案仅在垂直方向上重复
no-repeat 图案将只显示一次(不重复)

浏览器支持

<canvas> 元素是 HTML5 标准 (2014)。

createPattern() 在所有现代浏览器中都受支持

Chrome Edge Firefox Safari Opera IE
9-11

❮ Canvas 参考
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