如何获得Font Awesome 5图标作为光标

时间:2018-08-20 13:38:05

标签: javascript jquery canvas font-awesome font-awesome-5

在Font Awesome 4x中,我设法通过将光标更改为base-64图像URL来将其设置为图标。现在在Font Awesome 5中不再起作用。

我找到了this解决方案,但是在这里不起作用。

这是我尝试过的。

var canvas = document.createElement("canvas");
canvas.width = 20;
canvas.height = 20;
var ctx = canvas.getContext("2d");
document.fonts.ready.then(function() {
    ctx.font = "400 20px Font Awesome 5 Pro";
    ctx.fillStyle = "red";
    ctx.textAlign = "center";
    ctx.textBaseline = "middle";
    setTimeout(function() {
        ctx.fillText("\uf2ed", 10, 10)
        var dataURL = canvas.toDataURL('image/png')
        $('#foo').css('cursor', 'url(' + dataURL + '), auto');
    }, 200)
})

我得到的只是一个20x20的黑色正方形

有人知道如何完成吗?

1 个答案:

答案 0 :(得分:2)

请参见下面的示例...

var hex = 0xF25A;
var unicode = String.fromCharCode(parseInt(hex, 16));

var canvas = document.getElementById("cache");
canvas.width = 64; canvas.height = 64;

var context = canvas.getContext("2d");
context.font = '900 32px "Font Awesome 5 Free"';
context.fillText(unicode, canvas.width/2, canvas.width/2);
  
document.fonts.ready.then(function() {
    $('body').css('cursor', 'url(' + canvas.toDataURL('image/png') + '), auto');
});
html, body {height: 100%; width:100%; margin:0; padding: 0;}
canvas#cache {display: none;}
<link rel="stylesheet" href="//use.fontawesome.com/releases/v5.2.0/css/solid.css" integrity="sha384-wnAC7ln+XN0UKdcPvJvtqIH3jOjs9pnKnq9qX68ImXvOGz2JuFoEiCjT8jyZQX2z" crossorigin="anonymous">
<script src="//ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<canvas id="cache"/>