blob: ea4f47fb82326f5bfe82f11c1220561d6c2e11be [file] [log] [blame]
// DO NOT EDIT! This test has been generated by tools/gentest.py.
// OffscreenCanvas test in a worker:2d.composite.uncovered.pattern.copy
// Description:Pattern fill() draws pixels not covered by the source object as (0,0,0,0), and does not leave the pixels unchanged.
// Note:
importScripts("/resources/testharness.js");
importScripts("/common/canvas-tests.js");
var t = async_test("Pattern fill() draws pixels not covered by the source object as (0,0,0,0), and does not leave the pixels unchanged.");
t.step(function() {
var offscreenCanvas = new OffscreenCanvas(100, 50);
var ctx = offscreenCanvas.getContext('2d');
ctx.fillStyle = 'rgba(0, 255, 255, 0.5)';
ctx.fillRect(0, 0, 100, 50);
ctx.globalCompositeOperation = 'copy';
var promise = new Promise(function(resolve, reject) {
var xhr = new XMLHttpRequest();
xhr.open("GET", '/images/yellow.png');
xhr.responseType = 'blob';
xhr.send();
xhr.onload = function() {
resolve(xhr.response);
};
});
promise.then(function(response) {
ctx.fillStyle = ctx.createPattern(response, 'no-repeat');
ctx.fillRect(0, 50, 100, 50);
_assertPixelApprox(offscreenCanvas, 50,25, 0,0,0,0, "50,25", "0,0,0,0", 5);
});
t.done();
});
done();