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Fix rendering of content when window is scrolled

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Niklas von Hertzen
2016-01-23 22:05:43 +02:00
parent a4aa0c6444
commit 3b49cba21c
4 changed files with 30 additions and 12 deletions
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20
tests/mocha/scrolling.html
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@ -19,8 +19,8 @@
<div style="height: 650px; background: green"></div>
</div>
</div>
<div style="height: 2200px;"></div>
<div style="height: 500px;background: green;"><a name="content">content</a></div>
<div style="height: 2200px"></div>
<div style="height: 500px;background: green;" id="bottom-content"><a name="content">&nbsp;</a></div>
<script>
describe("Scrolling", function() {
it("with random scroll", function (done) {
@ -58,7 +58,6 @@
setTimeout(function() {
html2canvas(document.querySelector("#scroll-render")).then(function (canvas) {
expect($("#scrollable").scrollTop()).to.equal(500);
document.body.appendChild(canvas);
expect(canvas.width).to.equal(200);
expect(canvas.height).to.equal(200);
validCanvasPixels(canvas);
@ -68,6 +67,21 @@
});
}, 0);
});
it("with window scroll", function (done) {
$(window).scrollTop(500);
setTimeout(function() {
console.log(document.querySelector("#bottom-content").getBoundingClientRect().top);
html2canvas(document.querySelector("#bottom-content")).then(function (canvas) {
expect($(window).scrollTop()).to.equal(500);
validCanvasPixels(canvas);
done();
}).catch(function (error) {
done(error);
});
}, 0);
});
});
function validCanvasPixels(canvas) {