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using System;

using UIKit;

using System.IO;

using Foundation;

using CodeHub.iOS;

// Analysis disable once CheckNamespace

namespace CodeHub

{

public static class OcticonExtensions

{

private static readonly nfloat Scale;

static OcticonExtensions()

{

Scale = UIScreen.MainScreen.Scale;

}

public static UIImage ToImage(this Octicon @this, nfloat size, bool cache = true)

{

var cacheDir = NSFileManager.DefaultManager.GetUrls(NSSearchPathDirectory.CachesDirectory, NSSearchPathDomain.User)[0].Path;

string extension = string.Empty;

if (Scale > 1 && Scale < 3)

{

extension = "@2x";

}

else if (Scale >= 3)

{

extension = "@3x";

}

var fileName = string.Format("octicon-{0}-{1}{2}.png", (int)@this.CharacterCode, size, extension);

var combinedPath = Path.Combine(cacheDir, fileName);

if (File.Exists(combinedPath))

{

var img = cache ? UIImage.FromBundle(combinedPath) : UIImage.FromFile(combinedPath);

return img.ImageWithRenderingMode(UIImageRenderingMode.AlwaysTemplate);

}

else

{

var img = Graphics.ImageFromFont(UIFont.FromName("octicons", size), @this.CharacterCode, UIColor.Black);

if (img == null)

return null;

var pngData = img.AsPNG();

pngData.Save(combinedPath, false);

return img.ImageWithRenderingMode(UIImageRenderingMode.AlwaysTemplate);

}

public static UIImage ToImage(this Octicon @this, bool cache = true)

{

return @this.ToImage(24f, cache);

}

public static UIImage ToEmptyListImage(this Octicon @this)

{

return @this.ToImage(64f, false);

}

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OcticonExtensions.cs

OcticonExtensions.cs

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