[BUG] SKPaint's IsAntiAlisasing is on on Android but off on iOS by default (Xamarin / SkiaSharp 2.88.8)

[janne-hmp]

Description

IsAntiAlisasing seems to be off by default for iOS but on for Android. Workaround: Set IsAntiAliasing always on before using SKPaint.

Code

https://github.com/hyvanmielenpelit/GnollHack

Expected Behavior

IsAntiAliasing is on by default for both iOS and Android

Actual Behavior

IsAntiAliasing is off (or just does not work) by default for iOS and but on for Android

Version of SkiaSharp

2.88.3 (Current)

Last Known Good Version of SkiaSharp

2.80.x (Deprecated)

IDE / Editor

Visual Studio (Windows)

Platform / Operating System

iOS

Platform / Operating System Version

iOS 17.4.1

Devices

iPad 11,7

Relevant Screenshots

See #2218 This was an antialiasing problem on iOS.

Relevant Log Output

No response

Code of Conduct

• I agree to follow this project's Code of Conduct

[janne-hmp]

This is regarding text drawing. Also, there's interesting observation. If you switch IsAntialiasing on before DrawText and then switch off after the command, the text seems to be drawn without antialiasing at least on SKGLView. If you set it permanently on, the text is drawn with antialiasing.