This is an experimental technology
Because this technology's specification has not stabilized, check the compatibility table for usage in various browsers. Also note that the syntax and behavior of an experimental technology is subject to change in future versions of browsers as the specification changes.
The CanvasRenderingContext2D
.direction
property of the Canvas 2D API specifies the current text direction used when drawing text.
ctx.direction = "ltr" || "rtl" || "inherit";
Possible values:
<canvas>
element or the Document
as appropriate.The default value is inherit
.
direction
propertyThis is just a simple code snippet using the direction
property to set a different text baseline setting.
<canvas id="canvas"></canvas>
var canvas = document.getElementById('canvas'); var ctx = canvas.getContext('2d'); ctx.font = '48px serif'; ctx.direction = 'ltr'; ctx.strokeText('Hello world', 0, 100);
Edit the code below and see your changes update live in the canvas:
Specification | Status | Comment |
---|---|---|
WHATWG HTML Living Standard The definition of 'CanvasRenderingContext2D.direction' in that specification. | Living Standard |
Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari |
---|---|---|---|---|---|
Basic support | (Yes) [1] | No support | No support | No support | (Yes) |
Feature | Android | Chrome for Android | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
---|---|---|---|---|---|---|
Basic support | (Yes) | (Yes) | No support | No support | No support | (Yes) |
[1] This feature is deactivated by default. Use the ExperimentalCanvasFeatures
feature flag to enable it.
CanvasRenderingContext2D
.
© 2005–2017 Mozilla Developer Network and individual contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/CanvasRenderingContext2D/direction