HTML canvas strokeText () method
Examples
Use strokeText (), write on the canvas text "Hello world!" And "Big smile!" (With a gradient):
JavaScript:
var c=document.getElementById("myCanvas");
var ctx=c.getContext("2d");
ctx.font="20px Georgia";
ctx.strokeText("Hello World!",10,50);
ctx.font="30px Verdana";
// Create gradient
var gradient=ctx.createLinearGradient(0,0,c.width,0);
gradient.addColorStop("0","magenta");
gradient.addColorStop("0.5","blue");
gradient.addColorStop("1.0","red");
// Fill with gradient
ctx.strokeStyle=gradient;
ctx.strokeText("Big smile!",10,90);
var ctx=c.getContext("2d");
ctx.font="20px Georgia";
ctx.strokeText("Hello World!",10,50);
ctx.font="30px Verdana";
// Create gradient
var gradient=ctx.createLinearGradient(0,0,c.width,0);
gradient.addColorStop("0","magenta");
gradient.addColorStop("0.5","blue");
gradient.addColorStop("1.0","red");
// Fill with gradient
ctx.strokeStyle=gradient;
ctx.strokeText("Big smile!",10,90);
try it"
Browser Support
Internet Explorer 9, Firefox, Opera, Chrome and Safari support strokeText () method.
Note: 8 and earlier versions of Internet Explorer do not support the <canvas> element.
Note: Safari does not support maxWidth parameters.
Definition and Usage
strokeText () method to draw text on a canvas (no fill color). The default text color is black.
Tip: Use font attributes to define the font and font size, and use strokeStyle property to another color / gradient to render text.
| JavaScript syntax: | context .strokeText (text, x, y, maxWidth); |
|---|
Parameter Value
| 参数 | 描述 |
|---|---|
| text | 规定在画布上输出的文本。 |
| x | 开始绘制文本的 x 坐标位置（相对于画布）。 |
| y | 开始绘制文本的 y 坐标位置（相对于画布）。 |
| maxWidth | 可选。允许的最大文本宽度，以像素计。 |