jQuery和Canvas.toDataURL [英] jQuery and Canvas.toDataURL

问题描述

我正在处理一个脚本，其中一小部分涉及到一个画布，并将其转换为可下载的图像。为此，我执行：

I'm working on a script, and a small part of that involves taking a canvas and converting it to a downloadable image. To do this, I do:

var thumb_jpeg = thumbnail.toDataURL("image/jpeg");
$("#" + options.dest).attr('src',thumb_jpeg);

...其中thumbnail是canvas标签，options.dest是img id的名称。

...where thumbnail is a canvas tag and options.dest is the name of an img id.

此代码在Chrome中运行得很好，但是当我在Firefox中尝试时，Firebug会抛出此错误：

This code works perfectly in Chrome, but when I try it in Firefox, Firebug throws up this error:

Security error" code: "1000
var thumb_jpeg = thumbnail.toDataURL("image/jpeg");

我将链接到整个脚本，但一切都托管在我的计算机上。有人知道这是什么意思吗？

I would link to the whole script, but everything is hosted on my computer. Does anyone have any idea what this might mean?

谢谢！
Jeff

Thanks! Jeff

推荐答案

我相信这可能是因为您将它托管在您的计算机上。你是直接从本地文件系统工作，还是在像MAMP或WAMP这样的本地服务器上工作？我有这个安全代码弹出在我之前，当我把我的文件从我的硬盘驱动器到服务器缓解。

I believe it may be because you have it hosted on your computer. Are you working directly from your local filesystem or are you working on a local server like MAMP or WAMP? I had this security code pop up on me before and it was alleviated when I moved my files from my hard drive on to a server.

这篇关于jQuery和Canvas.toDataURL的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！