Web Page Canvas

Web Page Canvas插件简介

Web Page Canvas插件描述

This extension allows you to draw on live web pages.
You can use a line (brush) tool,  change its col  size.
It can also be used as a Full Page screenshot tool.

Features:
 Brush Tool
 Eraser Tool
 Highlighter Tool
 Col Picker
 Custom Size (0 30)
 Save full page snapshots
 Manage a library with all your saved drawings

***IMPORTANT NOTE***
Reload the active tabs after installing / updating in der f the extension to wk on them.

Notes:
* This extension does not wk with pdf files,  chromes default pages.
* Drawings on pages with height > 6000 pixels cannot be saved.
* Snapshots are saved in .webp fmat f better perfmance. 
* Some pages with heavy javascript (e.g. messenger, facebook, googleanalytics), will not wk due to their websites restrictions.
* Removing the extension, will cause all your snapshots to be lost, but Reloading will not.
                                

Web Page Canvas插件离线安装方法

1.首先用户点击谷歌浏览器右上角的自定义及控制按钮，在下拉框中选择设置。

2.在打开的谷歌浏览器的扩展管理器最左侧选择扩展程序或直接输入：chrome://extensions/

3.找到自己已经下载好的Chrome离线安装文件xxx.crx，然后将其从资源管理器中拖动到Chrome的扩展管理界面中，这时候用户会发现在扩展管理器的中央部分中会多出一个”拖动以安装“的插件按钮。

4.下载 Web Page CanvasChrome插件v2.0.1版本到本地。

5.勾选开发者模式，点击加载已解压的扩展程序，将文件夹选择即可安装插件。

注意：最新版本的chrome浏览器直接拖放安装时会出现“程序包无效CRX-HEADER-INVALID”的报错信息，参照这篇文章即可解决