您好,欢迎光临本网站![请登录][注册会员]  
文件名称: html2canvas
  所属分类: Javascript
  开发工具:
  文件大小: 469kb
  下载次数: 0
  上传时间: 2015-06-18
  提 供 者: sinat_1*******
 详细说明: JavaScript HTML renderer The script allows you to take "screenshots" of webpages or parts of it, directly on the users browser. The screenshot is based on the DOM and as such may not be 100% accurate to the real representation as it does not make an actual screenshot, but builds the screenshot based on the information available on the page. How does it work? The script renders the current page as a canvas image, by reading the DOM and the different styles applied to the elements. It does not require any rendering f rom the server, as the whole image is created on the clients browser. However, as it is heavily dependent on the browser, this library is not suitable to be used in nodejs. It doesn't magically circumvent any browser content policy restrictions either, so rendering cross-origin content will require a proxy to get the content to the same origin. The script is still in a very experimental state, so I don't recommend using it in a production environment nor start building applications with it yet, as there will be still major changes made. Browser compatibility The script should work fine on the following browsers: Firefox 3.5+ Google Chrome Opera 12+ IE9+ Safari 6+ As each CSS property needs to be manually built to be supported, there are a number of properties that are not yet supported. Usage Note! These instructions are for using the current dev version of 0.5, for the latest release version (0.4.1), checkout the old readme. To render an element with html2canvas, simply call: html2canvas(element[, options]); The function returns a Promise containing the element. Simply add a promise fullfillment handler to the promise using then: html2canvas(document.body).then(function(canvas) { document.body.appendChild(canvas); }); Building The library uses grunt for building. Alternatively, you can download the latest build from here. Clone git repository with submodules: $ git clone --recursive git://github.com/niklasvh/html2canvas.git Install Grunt and uglifyjs: $ npm install -g grunt-cli uglify-js Run the full build process (including lint, qunit and webdriver tests): $ grunt Skip lint and tests and simply build from source: $ grunt build Running tests The library has two sets of tests. The first set is a number of qunit tests that check that different values parsed by browsers are correctly converted in html2canvas. To run these tests with grunt you'll need phantomjs. The other set of tests run Firefox, Chrome and Internet Explorer with webdriver. The selenium standalone server (runs on Java) is required for these tests and can be downloaded from here. They capture an actual screenshot from the test pages and compare the image to the screenshot created by html2canvas and calculate the percentage differences. These tests generally aren't expected to provide 100% matches, but while commiting changes, these should generally not go decrease from the baseline values. Start by downloading the dependencies: $ npm install Run qunit tests: $ grunt test Examples For more information and examples, please visit the homepage or try the test console. Contributing If you wish to contribute to the project, please send the pull requests to the develop branch. Before submitting any changes, try and test that the changes work with all the support browsers. If some CSS property isn't supported or is incomplete, please create appropriate tests for it as well before submitting any code changes. ...展开收缩
(系统自动生成,下载前可以参看下载内容)

下载文件列表

相关说明

  • 本站资源为会员上传分享交流与学习,如有侵犯您的权益,请联系我们删除.
  • 本站是交换下载平台,提供交流渠道,下载内容来自于网络,除下载问题外,其它问题请自行百度
  • 本站已设置防盗链,请勿用迅雷、QQ旋风等多线程下载软件下载资源,下载后用WinRAR最新版进行解压.
  • 如果您发现内容无法下载,请稍后再次尝试;或者到消费记录里找到下载记录反馈给我们.
  • 下载后发现下载的内容跟说明不相乎,请到消费记录里找到下载记录反馈给我们,经确认后退回积分.
  • 如下载前有疑问,可以通过点击"提供者"的名字,查看对方的联系方式,联系对方咨询.
 相关搜索: html2canvas
 输入关键字,在本站1000多万海量源码库中尽情搜索: