Unity3D: Editor script to prevent images added to Assets/Platform from being compressed. (Requires Unity Pro?)

IconPostprocessor.cs

using System.IO;
using UnityEditor;
using UnityEngine;
    

public class IconPostprocessor : AssetPostprocessor {
    void OnPreprocessTexture () {
        if (assetPath.ToLower().StartsWith(Path.Combine("assets", "platform"))) {
            var ti = (TextureImporter) assetImporter;
            
            ti.filterMode = FilterMode.Point;
            ti.mipmapEnabled = false;
            ti.textureFormat = TextureImporterFormat.ARGB32;
            ti.textureType = TextureImporterType.GUI;
            ti.wrapMode = TextureWrapMode.Clamp;            
        }
    }
}