offscreen-canvas/path-objects/2d.path.isPointInPath.winding.html

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

<h1>2d.path.isPointInPath.winding</h1>
<p class="desc">isPointInPath() uses the non-zero winding number rule</p>


<script>
var t = async_test("isPointInPath() uses the non-zero winding number rule");
t.step(function() {

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

// Create a square ring, using opposite windings to make a hole in the centre
ctx.moveTo(0, 0);
ctx.lineTo(50, 0);
ctx.lineTo(50, 50);
ctx.lineTo(0, 50);
ctx.lineTo(0, 0);
ctx.lineTo(10, 10);
ctx.lineTo(10, 40);
ctx.lineTo(40, 40);
ctx.lineTo(40, 10);
ctx.lineTo(10, 10);
_assertSame(ctx.isPointInPath(5, 5), true, "ctx.isPointInPath(5, 5)", "true");
_assertSame(ctx.isPointInPath(25, 5), true, "ctx.isPointInPath(25, 5)", "true");
_assertSame(ctx.isPointInPath(45, 5), true, "ctx.isPointInPath(45, 5)", "true");
_assertSame(ctx.isPointInPath(5, 25), true, "ctx.isPointInPath(5, 25)", "true");
_assertSame(ctx.isPointInPath(25, 25), false, "ctx.isPointInPath(25, 25)", "false");
_assertSame(ctx.isPointInPath(45, 25), true, "ctx.isPointInPath(45, 25)", "true");
_assertSame(ctx.isPointInPath(5, 45), true, "ctx.isPointInPath(5, 45)", "true");
_assertSame(ctx.isPointInPath(25, 45), true, "ctx.isPointInPath(25, 45)", "true");
_assertSame(ctx.isPointInPath(45, 45), true, "ctx.isPointInPath(45, 45)", "true");

t.done();

});
</script>