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微信小程序怎么发布_canvas绘制一个常用的emoji表

2021-01-12分享 "> 对不起,没有下一图集了!">
canvas绘制一个常用的emoji表情       本文主要介绍了canvas绘制一个常用的emoji表情的示例代码。具有很好的参考价值,下面跟着小编一起来看下吧

效果图:

代码如下:

 !DOCTYPE html 
 html lang="en" 
 head 
 meta charset="UTF-8" 
 meta http-equiv="X-UA-Compatible" content="IE=edge" 
 title 装逼表情 /title 
 meta name="viewport" content="initial-scale=1, maximum-scale=1" 
 meta name="apple-mobile-web-app-capable" content="yes" 
 meta name="apple-mobile-web-app-status-bar-style" content="black" 
 /head 
 style type="text/css" 
 margin: 0;
 padding: 0;
 body{
 overflow:hidden;
 canvas{
 /*background: #000;*/
 /*opacity: 0.5;*/
 /style 
 body 
 canvas id="canvas" /canvas 
 /body 
 script type="text/javascript" 
(function(win,el){
 var canvas = document.querySelector(el),
 ctx = canvas.getContext('2d');
 canvas.width = win.innerWidth;
 canvas.height = win.innerHeight;
 ctx.translate(canvas.width/2,canvas.height/2);//将画布移到屏幕中心
 // 绘制圆形头部
 ctx.beginPath();
 var grd=ctx.createLinearGradient(0,-100,0,100);
 grd.addColorStop(0,'#FDF390');
 grd.addColorStop(1,'#B97814');
 ctx.fillStyle = grd;
 ctx.strokeStyle = '#A86B14';
 ctx.lineWidth = 5;
 ctx.arc(0,0,100,0,2*Math.PI);
 ctx.fill();
 ctx.stroke();
 //嘴巴
 ctx.beginPath();
 ctx.lineCap = 'round';
 ctx.lineJoin = 'round';
 ctx.fillStyle = '#754800';
 ctx.strokeStyle = '#935B06';
 ctx.moveTo(-63,-2);
 ctx.quadraticCurveTo(-37,90,49,46);
 ctx.lineTo(-63,-2);
 ctx.fill();
 ctx.stroke();
 // 牙齿
 ctx.beginPath();
 ctx.lineWidth = 8;
 ctx.strokeStyle = '#FFF';
 ctx.moveTo(-58,6);
 ctx.lineTo(38,47);
 ctx.stroke();
 // 眼泪左
 ctx.beginPath();
 var yanlei = ctx.createLinearGradient(-48,-48,-97,30);
 yanlei.addColorStop(0,'#90C1C8');
 yanlei.addColorStop(1,'#5394C8');
 var yanleib = ctx.createLinearGradient(-48,-48,-97,30);
 yanleib.addColorStop(0,'#7CAEA7');
 yanleib.addColorStop(1,'#245F6A');
 ctx.strokeStyle = yanleib;
 ctx.fillStyle = yanlei;
 ctx.moveTo(-56,-37);
 ctx.lineTo(-96,25);
 ctx.quadraticCurveTo(-90,50,-82,56);
 ctx.lineTo(-29,-27);
 ctx.stroke();
 ctx.fill();
 // 眼泪右
 ctx.beginPath();
 var yanlei = ctx.createLinearGradient(-48,-48,-97,30);
 yanlei.addColorStop(0,'#90C1C8');
 yanlei.addColorStop(1,'#5394C8');
 ctx.strokeStyle = yanleib;
 ctx.fillStyle = yanlei;
 ctx.moveTo(33,35);
 ctx.lineTo(34,91);
 ctx.quadraticCurveTo(55,88,55,78);
 ctx.lineTo(53,44);
 ctx.stroke();
 ctx.fill();
 // 眼睛
 ctx.beginPath();
 ctx.lineJoin = 'round';
 ctx.lineCap = 'round';
 ctx.lineWidth = 5;
 ctx.fillStyle = '#714801';
 ctx.strokeStyle = '#714801'
 ctx.moveTo(-58,-39);
 ctx.quadraticCurveTo(-32,-41,-25,-27);
 ctx.quadraticCurveTo(-42,-36,-58,-39);
 ctx.fill();
 ctx.stroke();
 // 麒麟臂
 ctx.beginPath();
 var qlgrd=ctx.createRadialGradient(30,-19,5,30,-19,60);
 qlgrd.addColorStop(0,'#F7D25F');
 qlgrd.addColorStop(1,'#EEB63B');
 ctx.lineWidth = 5;
 ctx.strokeStyle = '#CE7F12';
 ctx.fillStyle = qlgrd;
 ctx.moveTo(78,87);
 ctx.quadraticCurveTo(100,74,81,-19);
 ctx.quadraticCurveTo(68,-45,49,-39);
 ctx.quadraticCurveTo(59,-35,59,-26);
 ctx.quadraticCurveTo(36,-62,-10,-59);
 ctx.quadraticCurveTo(-14,-55,-9,-50);
 ctx.quadraticCurveTo(18,-48,33,-26);
 ctx.quadraticCurveTo(0,-54,-28,-48);
 ctx.quadraticCurveTo(-37,-42,-28,-33);
 ctx.quadraticCurveTo(-1,-37,19,-15);
 ctx.quadraticCurveTo(-5,-37,-34,-28);
 ctx.quadraticCurveTo(-36,-21,-27,-18);
 ctx.quadraticCurveTo(-13,-17,11,2);
 ctx.quadraticCurveTo(-10,-15,-27,-11);
 ctx.quadraticCurveTo(-30,-6,-24,1);
 ctx.lineTo(1,12);
 ctx.quadraticCurveTo(7,29,41,42);
 ctx.quadraticCurveTo(43,63,52,81);
 ctx.quadraticCurveTo(64,92,78,87);
 ctx.stroke();
 ctx.fill();
})(window,'#canvas')
 /script 
 /html 

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