<!DOCTYPE html> <!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. --> <title>OffscreenCanvas test: 2d.composite.clip.destination-in</title> <script src="/resources/testharness.js"></script> <script src="/resources/testharnessreport.js"></script> <script src="/html/canvas/resources/canvas-tests.js"></script> <h1>2d.composite.clip.destination-in</h1> <p class="desc">fill() does not affect pixels outside the clip region.</p> <script> var t = async_test("fill() does not affect pixels outside the clip region."); var t_pass = t.done.bind(t); var t_fail = t.step_func(function(reason) { throw reason; }); t.step(function() { var canvas = new OffscreenCanvas(100, 50); var ctx = canvas.getContext('2d'); ctx.fillStyle = '#0f0'; ctx.fillRect(0, 0, 100, 50); ctx.globalCompositeOperation = 'destination-in'; ctx.rect(-20, -20, 10, 10); ctx.clip(); ctx.fillStyle = '#f00'; ctx.fillRect(0, 0, 50, 50); _assertPixel(canvas, 25,25, 0,255,0,255); _assertPixel(canvas, 75,25, 0,255,0,255); t.done(); }); </script>