public static Texture2D GetIcon(string filename, string filename2x = "", bool invertColors = false)
{
if (EditorGUIUtility.pixelsPerPoint > 1f && !string.IsNullOrEmpty(filename2x))
{
filename = filename2x;
}
var key = invertColors ? "dark_" + filename : "light_" + filename;
if (iconCache.ContainsKey(key))
{
return(iconCache[key]);
}
Texture2D texture2D;
using (var stream =
AssemblyResources.ToStream(ResourceType.Icon, filename, EntryPoint.ApplicationManager.Environment))
{
texture2D = stream.ToTexture2D();
}
if (texture2D != null)
{
texture2D.hideFlags = HideFlags.HideAndDontSave;
if (invertColors)
{
texture2D.InvertColors();
}
iconCache.Add(key, texture2D);
}
return(texture2D);
}
