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Fix background scale quality (#5113)

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UIGraphicsBeginImageContextWithOptions with scale factor 0 makes sure the device scale factor is used automatically and not 1.0
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dbenninger
2017-12-05 22:12:12 +01:00
committed by Svetoslav
parent 57ed0cf405
commit 634cf9a822
1 changed files with 1 additions and 1 deletions
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tns-core-modules/ui/styling/background.ios.ts
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@@ -338,7 +338,7 @@ function uiColorFromImage(img: UIImage, view: View, callback: (uiColor: UIColor)
if (params.sizeX > 0 && params.sizeY > 0) { if (params.sizeX > 0 && params.sizeY > 0) {
const resizeRect = CGRectMake(0, 0, params.sizeX, params.sizeY); const resizeRect = CGRectMake(0, 0, params.sizeX, params.sizeY);
UIGraphicsBeginImageContext(resizeRect.size); UIGraphicsBeginImageContextWithOptions(resizeRect.size, false, 0.0);
img.drawInRect(resizeRect); img.drawInRect(resizeRect);
img = UIGraphicsGetImageFromCurrentImageContext(); img = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext(); UIGraphicsEndImageContext();