offscreen-canvas/path-objects/2d.path.arcTo.shape.curve2.html

<!DOCTYPE html>
<!-- DO NOT EDIT! This test has been generated by tools/gentest.py. -->
<title>OffscreenCanvas test: 2d.path.arcTo.shape.curve2</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/canvas-tests.js"></script>

<h1>2d.path.arcTo.shape.curve2</h1>
<p class="desc">arcTo() curves in the right kind of shape</p>


<script>
var t = async_test("arcTo() curves in the right kind of shape");
t.step(function() {

var offscreenCanvas = new OffscreenCanvas(100, 50);
var ctx = offscreenCanvas.getContext('2d');

var tol = 1.5; // tolerance to avoid antialiasing artifacts
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 100, 50);
ctx.fillStyle = '#f00';
ctx.beginPath();
ctx.rect(10, 20, 45, 10);
ctx.moveTo(80, 45);
ctx.arc(55, 45, 25-tol, 0, -Math.PI/2, true);
ctx.arc(55, 45, 15+tol, -Math.PI/2, 0, false);
ctx.fill();
ctx.strokeStyle = '#0f0';
ctx.lineWidth = 10;
ctx.beginPath();
ctx.moveTo(10, 25);
ctx.arcTo(75, 25, 75, 60, 20);
ctx.stroke();
_assertPixel(offscreenCanvas, 50,25, 0,255,0,255, "50,25", "0,255,0,255");
_assertPixel(offscreenCanvas, 55,19, 0,255,0,255, "55,19", "0,255,0,255");
_assertPixel(offscreenCanvas, 55,20, 0,255,0,255, "55,20", "0,255,0,255");
_assertPixel(offscreenCanvas, 55,21, 0,255,0,255, "55,21", "0,255,0,255");
_assertPixel(offscreenCanvas, 64,22, 0,255,0,255, "64,22", "0,255,0,255");
_assertPixel(offscreenCanvas, 65,21, 0,255,0,255, "65,21", "0,255,0,255");
_assertPixel(offscreenCanvas, 72,28, 0,255,0,255, "72,28", "0,255,0,255");
_assertPixel(offscreenCanvas, 73,27, 0,255,0,255, "73,27", "0,255,0,255");
_assertPixel(offscreenCanvas, 78,36, 0,255,0,255, "78,36", "0,255,0,255");
_assertPixel(offscreenCanvas, 79,35, 0,255,0,255, "79,35", "0,255,0,255");
_assertPixel(offscreenCanvas, 80,44, 0,255,0,255, "80,44", "0,255,0,255");
_assertPixel(offscreenCanvas, 80,45, 0,255,0,255, "80,45", "0,255,0,255");
_assertPixel(offscreenCanvas, 80,46, 0,255,0,255, "80,46", "0,255,0,255");

t.done();

});
</script>