Fix blurry avatar

Signed-off-by: Philippe Weidmann <philippe.weidmann@infomaniak.com>

iOSClient/Settings/CCManageAccount.m

@@ -72,7 +72,7 @@
         CCAvatar *avatarImageView = [[CCAvatar alloc] initWithImage:avatar borderColor:[UIColor lightGrayColor] borderWidth:0.5];
         
         CGSize imageSize = avatarImageView.bounds.size;
-        UIGraphicsBeginImageContextWithOptions(imageSize, NO, 0);
+        UIGraphicsBeginImageContextWithOptions(imageSize, NO, UIScreen.mainScreen.scale);
         CGContextRef context = UIGraphicsGetCurrentContext();
         [avatarImageView.layer renderInContext:context];
         avatar = UIGraphicsGetImageFromCurrentImageContext();

iOSClient/Share/NCShareCommon.swift

@@ -36,7 +36,7 @@ class NCShareCommon: NSObject {
         
         let bottomImage = CCGraphics.changeThemingColorImage(UIImage.init(named: "circle"), width: size, height: size, color: NCBrandColor.sharedInstance.brand)
         let topImage = CCGraphics.changeThemingColorImage(UIImage.init(named: "sharebylink"), width: size, height: size, color: UIColor.white)
-        UIGraphicsBeginImageContextWithOptions(CGSize(width: size, height: size), false, 0.0)
+        UIGraphicsBeginImageContextWithOptions(CGSize(width: size, height: size), false, UIScreen.main.scale)
         bottomImage?.draw(in: CGRect(origin: CGPoint.zero, size: CGSize(width: size, height: size)))
         topImage?.draw(in: CGRect(origin:  CGPoint(x: size/4, y: size/4), size: CGSize(width: size/2, height: size/2)))
         let image = UIGraphicsGetImageFromCurrentImageContext()

iOSClient/Utility/CCGraphics.m

@@ -107,7 +107,7 @@
     sz.width /= scale;
     sz.height /= scale;
     
-    UIGraphicsBeginImageContextWithOptions(sz, NO, scale);
+    UIGraphicsBeginImageContextWithOptions(sz, NO, UIScreen.mainScreen.scale);
     [image drawInRect:CGRectMake(0, 0, sz.width, sz.height)];
     UIImage *newImage = UIGraphicsGetImageFromCurrentImageContext();
     UIGraphicsEndImageContext();

iOSClient/Utility/NCUtility.swift

@@ -383,14 +383,13 @@ class NCUtility: NSObject {
         guard let imageSource = UIImage(contentsOfFile: fileNameSource) else { return nil }
         let size = Int(k_avatar_size)
         
-        UIGraphicsBeginImageContextWithOptions(CGSize(width: size, height: size), false, 0)
+        UIGraphicsBeginImageContextWithOptions(CGSize(width: size, height: size), false, UIScreen.main.scale)
         imageSource.draw(in: CGRect(x: 0, y: 0, width: size, height: size))
         let image = UIGraphicsGetImageFromCurrentImageContext()
         UIGraphicsEndImageContext()
 
-        UIGraphicsBeginImageContextWithOptions(CGSize(width: size, height: size), false, 0)
-        let avatarImageView = CCAvatar.init(image: image, borderColor: .clear, borderWidth: 0)
-        //avatarImageView?.alpha = alpha
+        UIGraphicsBeginImageContextWithOptions(CGSize(width: size, height: size), false, UIScreen.main.scale)
+        let avatarImageView = CCAvatar.init(image: image, borderColor: .lightGray, borderWidth: Float(1 * UIScreen.main.scale))
         guard let context = UIGraphicsGetCurrentContext() else { return nil }
         avatarImageView?.layer.render(in: context)
         guard let imageAvatar = UIGraphicsGetImageFromCurrentImageContext() else { return nil }