diff options
Diffstat (limited to 'testing/web-platform/tests/html/canvas/offscreen/layers/2d.layer.global-states.no-global-states.w.html')
-rw-r--r-- | testing/web-platform/tests/html/canvas/offscreen/layers/2d.layer.global-states.no-global-states.w.html | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/canvas/offscreen/layers/2d.layer.global-states.no-global-states.w.html b/testing/web-platform/tests/html/canvas/offscreen/layers/2d.layer.global-states.no-global-states.w.html new file mode 100644 index 0000000000..db03a3fd0c --- /dev/null +++ b/testing/web-platform/tests/html/canvas/offscreen/layers/2d.layer.global-states.no-global-states.w.html @@ -0,0 +1,51 @@ +<!DOCTYPE html> +<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. --> +<html class="reftest-wait"> +<link rel="match" href="2d.layer.global-states.no-global-states-expected.html"> +<title>Canvas test: 2d.layer.global-states.no-global-states</title> +<h1>2d.layer.global-states.no-global-states</h1> +<p class="desc">Checks that layers correctly use global render states.</p> +<canvas id="canvas" width="200" height="200"> + <p class="fallback">FAIL (fallback content)</p> +</canvas> +<script id='myWorker' type='text/worker'> + self.onmessage = function(e) { + const canvas = new OffscreenCanvas(200, 200); + const ctx = canvas.getContext('2d'); + + ctx.fillStyle = 'rgba(0, 0, 255, 1)'; + + var circle = new Path2D(); + circle.arc(90, 90, 45, 0, 2 * Math.PI); + ctx.fill(circle); + + // No global states. + + ctx.beginLayer(); + + // Enable compositing in the layer to validate that draw calls in the layer + // won't individually composite with the background. + ctx.globalCompositeOperation = 'screen'; + + ctx.fillStyle = 'rgba(225, 0, 0, 1)'; + ctx.fillRect(50, 50, 75, 50); + ctx.fillStyle = 'rgba(0, 255, 0, 1)'; + ctx.fillRect(70, 70, 75, 50); + + ctx.endLayer(); + + const bitmap = canvas.transferToImageBitmap(); + self.postMessage(bitmap, bitmap); + }; +</script> +<script> + const blob = new Blob([document.getElementById('myWorker').textContent]); + const worker = new Worker(URL.createObjectURL(blob)); + worker.addEventListener('message', msg => { + const outputCtx = document.getElementById("canvas").getContext('2d'); + outputCtx.drawImage(msg.data, 0, 0); + document.documentElement.classList.remove("reftest-wait"); + }); + worker.postMessage(null); +</script> +</html> |