本文介绍了canvas绘制表情包的示例代码,分享给大家,具体如下:

绘制卡通笑脸

var canvas = document.getElementById("canvas");var context = canvas.getContext("2d");// 画脸,设置脸的填充颜色为 "#fff"context.fillStyle = "#fff";context.beginPath();context.arc(150, 150, 60, 0, Math.PI*2);context.closePath();context.fill();// 画眼睛,设置眼睛的填充颜色为 "rgb(0, 0, 0)"context.fillStyle = "rgb(0, 0, 0)";context.beginPath();context.arc(130, 130, 8, 0, Math.PI*2);context.closePath();context.fill();context.fillStyle = "rgb(0, 0, 0)";context.beginPath();context.arc(170, 130, 8, 0, Math.PI*2);context.closePath();context.fill();// 画嘴巴,设置嘴巴的填充颜色为 "rgba(255, 0, 0, 0.8)"context.fillStyle = "rgba(255, 0, 0, 0.8)";context.beginPath();context.arc(150, 160, 25, Math.PI, Math.PI*2, true);context.closePath();context.fill();// 画腮红,设置腮红线条颜色为 "pink",线条宽度为 5context.beginPath();context.moveTo(95, 152);context.lineTo(110, 150);context.moveTo(190, 150);context.lineTo(205, 152);context.closePath();context.lineWidth = 5;context.strokeStyle = "pink";context.stroke();

制作表情包

var canvas = document.getElementById("canvas");var context = canvas.getContext("2d");var image = new Image();image.src= "https://ke.qq.com/classroom/assets/lib/img/canvas-expression-base.png";image.onload = function(){  context.drawImage(image, 50, 110, 200, 200);}context.font = "30px arial";context.fillText("今天的我", 20, 50);context.font = "40px arial";context.fillText("还是一样的帅!", 20, 90);

以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持网页设计。