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fix(tabs): blurry text in scrolled header on some browsers #14303

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Merged
merged 1 commit into from
Nov 29, 2018
Merged

fix(tabs): blurry text in scrolled header on some browsers #14303

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4 changes: 3 additions & 1 deletion src/lib/tabs/tab-header.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -327,7 +327,9 @@ export class MatTabHeader extends _MatTabHeaderMixinBase
// seems to cause flickering and overflow in Internet Explorer. For example, the ink bar
// and ripples will exceed the boundaries of the visible tab bar.
// See: https://github.com/angular/material2/issues/10276
this._tabList.nativeElement.style.transform = `translateX(${translateX}px)`;
// We round the `transform` here, because transforms with sub-pixel precision cause some
// browsers to blur the content of the element.
this._tabList.nativeElement.style.transform = `translateX(${Math.round(translateX)}px)`;

// Setting the `transform` on IE will change the scroll offset of the parent, causing the
// position to be thrown off in some cases. We have to reset it ourselves to ensure that
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