testing/web-platform/tests/html/canvas/offscreen/line-styles/2d.line.join.round.html
author criss <ccozmuta@mozilla.com>
Thu, 19 May 2022 12:36:17 +0300
changeset 618192 ba856ffe455a3c5275f4255a5c4bce00ba5528d4
parent 604175 8c8326a5e1017f214639db0061c86bad7911f51d
permissions -rw-r--r--
Merge autoland to mozilla-central. a=merge

<!DOCTYPE html>
<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
<title>OffscreenCanvas test: 2d.line.join.round</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/html/canvas/resources/canvas-tests.js"></script>

<h1>2d.line.join.round</h1>
<p class="desc">lineJoin 'round' is rendered correctly</p>


<script>
var t = async_test("lineJoin 'round' is rendered correctly");
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);
var tol = 1; // tolerance to avoid antialiasing artifacts
ctx.lineJoin = 'round';
ctx.lineWidth = 20;
ctx.fillStyle = '#f00';
ctx.strokeStyle = '#0f0';
ctx.fillRect(10, 10, 20, 20);
ctx.fillRect(20, 20, 20, 20);
ctx.beginPath();
ctx.moveTo(30, 20);
ctx.arc(30, 20, 10-tol, 0, 2*Math.PI, true);
ctx.fill();
ctx.beginPath();
ctx.moveTo(10, 20);
ctx.lineTo(30, 20);
ctx.lineTo(30, 40);
ctx.stroke();
ctx.fillStyle = '#0f0';
ctx.strokeStyle = '#f00';
ctx.beginPath();
ctx.moveTo(60, 20);
ctx.lineTo(80, 20);
ctx.lineTo(80, 40);
ctx.stroke();
ctx.fillRect(60, 10, 20, 20);
ctx.fillRect(70, 20, 20, 20);
ctx.beginPath();
ctx.moveTo(80, 20);
ctx.arc(80, 20, 10+tol, 0, 2*Math.PI, true);
ctx.fill();
_assertPixel(canvas, 36,14, 0,255,0,255, "36,14", "0,255,0,255");
_assertPixel(canvas, 36,13, 0,255,0,255, "36,13", "0,255,0,255");
_assertPixel(canvas, 37,13, 0,255,0,255, "37,13", "0,255,0,255");
_assertPixel(canvas, 38,13, 0,255,0,255, "38,13", "0,255,0,255");
_assertPixel(canvas, 38,12, 0,255,0,255, "38,12", "0,255,0,255");
_assertPixel(canvas, 86,14, 0,255,0,255, "86,14", "0,255,0,255");
_assertPixel(canvas, 86,13, 0,255,0,255, "86,13", "0,255,0,255");
_assertPixel(canvas, 87,13, 0,255,0,255, "87,13", "0,255,0,255");
_assertPixel(canvas, 88,13, 0,255,0,255, "88,13", "0,255,0,255");
_assertPixel(canvas, 88,12, 0,255,0,255, "88,12", "0,255,0,255");
t.done();

});
</script>