html2canvas/docs/configuration.md
2018-02-15 21:40:48 +08:00

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Options Explore the different configuration options available for html2canvas /getting-started Getting Started /features Features

These are all of the available configuration options.

Name Default Description
async true Whether to parse and render the element asynchronously
allowTaint false Whether to allow cross-origin images to taint the canvas
backgroundColor #ffffff Canvas background color, if none is specified in DOM. Set null for transparent
canvas null Existing canvas element to use as a base for drawing on
foreignObjectRendering false Whether to use ForeignObject rendering if the browser supports it
imageTimeout 15000 Timeout for loading an image (in milliseconds). Set to 0 to disable timeout.
ignoreElements (element) => false Predicate function which removes the matching elements from the render.
logging true Enable logging for debug purposes
onclone null Callback function which is called when the Document has been cloned for rendering, can be used to modify the contents that will be rendered without affecting the original source document.
proxy null Url to the proxy which is to be used for loading cross-origin images. If left empty, cross-origin images won't be loaded.
removeContainer true Whether to cleanup the cloned DOM elements html2canvas creates temporarily
scale window.devicePixelRatio The scale to use for rendering. Defaults to the browsers device pixel ratio.
useCORS false Whether to attempt to load images from a server using CORS
width Element width The width of the canvas
height Element height The height of the canvas
x Element x-offset Crop canvas x-coordinate
y Element y-offset Crop canvas y-coordinate
scrollX Element scrollX The x-scroll position to used when rendering element, (for example if the Element uses position: fixed)
scrollY Element scrollY The y-scroll position to used when rendering element, (for example if the Element uses position: fixed)
windowWidth Window.innerWidth Window width to use when rendering Element, which may affect things like Media queries
windowHeight Window.innerHeight Window height to use when rendering Element, which may affect things like Media queries

If you wish to exclude certain Elements from getting rendered, you can add a data-html2canvas-ignore attribute to those elements and html2canvas will exclude them from the rendering.