运行 ❯
获取您
自己的
网站
×
更改方向
保存代码
更改主题，深色/浅色
前往 Spaces
<!DOCTYPE html> <html> <body> <h1>HTML5 Canvas clip()</h1> <canvas id="myCanvas" width="300" height="150" style="border:1px solid grey"> Sorry, your browser does not support canvas. </canvas> <script> const canvas = document.getElementById("myCanvas"); const ctx = canvas.getContext("2d"); // Create a circular clipping region ctx.beginPath(); ctx.arc(100, 75, 70, 0, Math.PI * 2); ctx.clip(); // Draw two rectangles ctx.fillStyle = "blue"; ctx.fillRect(0, 0, 300, 150); ctx.fillStyle = "red"; ctx.fillRect(0, 0, 90, 90); </script> </body> </html>
