[Javascript] Gradient Fills on the HTML5 Canvas

复制代码
window.onload = function() {

    var canvas = document.getElementById("canvas"),
        context = canvas.getContext("2d");

    var gradient =context.createLinearGradient(100,100,100,200);
    gradient.addColorStop(1,"blue");   // show blue at the bottom
    gradient.addColorStop(0,"yellow"); // show yellow on the top
    
    context.fillStyle=gradient;
    context.fillRect(100,100,100,100);
};
复制代码

 

复制代码
window.onload = function() {

    var canvas = document.getElementById("canvas"),
        context = canvas.getContext("2d");

    var gradient =context.createLinearGradient(100,100,100,200);
    gradient.addColorStop(1,"blue");   // show blue at the bottom
    gradient.addColorStop(0.75, "pink"); //close to the bottom
    gradient.addColorStop(0,"yellow"); // show yellow on the top

    context.fillStyle=gradient;
    context.fillRect(100,100,100,100);
};
复制代码

 

复制代码
window.onload = function() {

    var canvas = document.getElementById("canvas"),
        context = canvas.getContext("2d");

    var gradient =context.createLinearGradient(100,100,200,100);
    gradient.addColorStop(1,"blue");   // show blue at the bottom
    gradient.addColorStop(0.75, "pink"); //close to the bottom
    gradient.addColorStop(0,"yellow"); // show yellow on the top

    context.fillStyle=gradient;
    context.fillRect(100,100,100,100);
};
复制代码

 

----------------------------

复制代码
window.onload = function() {

    var canvas = document.getElementById("canvas"),
        context = canvas.getContext("2d");

    var gradient = context.createRadialGradient(100,100,0,100,100,50);
    gradient.addColorStop(0, "white");
    gradient.addColorStop(1, "black");

    context.fillStyle = gradient;
    context.beginPath();
    context.arc(100,100,50,0,Math.PI * 2);
    context.closePath();
    context.fill();

};
复制代码

 

var gradient = context.createRadialGradient(100,100,20,100,100,50);

 

var gradient = context.createRadialGradient(100,100,20,100,100,80);

 

var gradient = context.createRadialGradient(100,100,20,100,100,30);

 

var gradient = context.createRadialGradient(120,80,0,110,90,60);

posted @   Zhentiw  阅读(274)  评论(0编辑  收藏  举报
(评论功能已被禁用)
编辑推荐:
· SQL Server 2025 AI相关能力初探
· Linux系列:如何用 C#调用 C方法造成内存泄露
· AI与.NET技术实操系列(二):开始使用ML.NET
· 记一次.NET内存居高不下排查解决与启示
· 探究高空视频全景AR技术的实现原理
阅读排行:
· 阿里最新开源QwQ-32B,效果媲美deepseek-r1满血版,部署成本又又又降低了!
· Manus重磅发布:全球首款通用AI代理技术深度解析与实战指南
· 开源Multi-agent AI智能体框架aevatar.ai,欢迎大家贡献代码
· 被坑几百块钱后,我竟然真的恢复了删除的微信聊天记录!
· AI技术革命,工作效率10个最佳AI工具
点击右上角即可分享
微信分享提示