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<!DOCTYPE html> <html> <body> <h1>globalCompositeOperation = "source-out"</h1> <p>The "source-out" value will draw new shapes only where it does not overlap the existing content.</p> <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"); // Set type of compositing ctx.globalCompositeOperation = "source-out"; // Draw two overlapping rectangles ctx.fillStyle = "blue"; ctx.fillRect(10, 10, 100, 100); ctx.fillStyle = "red"; ctx.fillRect(40, 40, 100, 100); </script> </body> <!-- /graphics/tryit.asp?filename=trycanvas_comp_source-out by HTTrack Website Copier/3.x [XR&CO'2014], Thu, 06 Feb 2025 18:35:31 GMT --> </html>
