Convert Xamarin.Forms measure units to pixels

Issue

How can I convert, for example, view.WidthRequest value to platform pixels? I'm looking for method like Device.ConvertToPixels(10).

I want to use it for SkiaSharp drawing. For example I want to draw circle with stroke = 10 in (xamarin.forms units) which will be converted to pixels on draw.

Solution

Multiply MainDisplayInfo.Dencity by (xamarin.forms units) and you get that pixels.

I made a method.

    double XamDIUConvertToPixels(double XamDIU)
    {
        var desplayinfo = DeviceDisplay.MainDisplayInfo;
        var pixcels = desplayinfo.Density * XamDIU;
        return pixcels;
    }

DeviceDisplay must be done on the UI thread or else an exception will be thrown in iOS.

read this: https://docs.microsoft.com/en-us/xamarin/essentials/device-display?tabs=ios#platform-differences

Answered By - user13995305