Distributed under the BSD license (SPDX: BSD-3-Clause). Some related projects make it easy to create such a service. screenshots, user behavior and assertions making it a common tool used to. It is possible to build a web screenshot service using PhantomJS. PhantomJS is a discontinued headless browser used for automating web page interaction. manet (Node.js) screenshot-app (Node.js) screenshot-as-a-service (Node. The included example colorwheel.js produces the following color wheel: There are some tools like PhantomCSS or wraith which allow you to write tests to compare screenshots of your website and detect changes. phantomjs-screenshots, a system for running screenshot tasks defined in JSON format (Node.js) web-service.
Phantomcss screenshot path code#
the rest of the code is the same as the previous exampleĬanvas can be easily constructed and converted to an image. PhantomJS libraryPath stores the script path to be used by the injectJS method. I am using phantomcss to take screenshot of a component inside an iframe using casper.withFrame, but the image captured is distorted. While, with the help of a screenshot, it can easily help to find errors. viewportSize being the actual size of the headless browser I am testing a web application which has an iframe. You can change the size of the screenshot and the webpage using the page’s attributes:
Phantomcss screenshot path pdf#
Producing PDF output is also easy, such as from a Wikipedia article: phantomjs rasterize.js '' jakarta.pdf An example to produce the rendering of the famous Tiger (from SVG): phantomjs rasterize.js tiger.pngĪnother example is to show polar clock (from RaphaelJS): phantomjs rasterize.js clock.png
Phantomcss screenshot path how to#
The recipe also illustrates how to set the property dynamically (for example, to capture specific page elements). If your test does fail, like the one above, PhantomCSS will output three different screenshots to your results folder. PhantomCSS will automatically set the screenshots from your first run as the baselines to compare all future tests against. In the examples subdirectory, there is a script rasterize.js which demonstrates a more complete rendering feature of PhantomJS. Generating clipped screenshots from PhantomJS This recipe introduces the clipRect property on webpage instances, and it describes its role in rendering portions of our web page content. In the command line, run grunt phantomcss. In the command line, run this newly created script with PhantomJS: phantomjs github.jsīeside PNG format, PhantomJS supports JPEG, GIF, and PDF. Copy and paste the above code into the github.js file. phantomcss.executionOptions string This lets you specify any command-line options to be passed to CasperJS/PhantomJS, e.g.
Caution: Running mimosa phantomcss -r deletes all of the.
To run this example create a new file called github.js. phantomcss.screenshotDirectory string This is the directory where you will be creating screenshots. It loads the GitHub homepage and then saves it as an image, github.png. The following script demonstrates the simplest use of page capture. Because PhantomJS can render anything on the web page, it can be used to convert HTML content styled with CSS but also SVG, images and Canvas elements. Since PhantomJS is using WebKit, a real layout and rendering engine, it can capture a web page as a screenshot. Screen Capture with PhantomJS Screen Capture with PhantomJS
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