//ref: https://forum.unity3d.com/threads/getting-original-size-of-texture-asset-in-pixels.165295/
public static void GetWidthAndHeight(this TextureImporter self, ref int width, ref int height)
{
TextureImporterUtil.GetWidthAndHeight(self, ref width, ref height);
}
//ref:https://forum.unity3d.com/threads/getting-original-size-of-texture-asset-in-pixels.165295/
public static void FixTextureSize(this TextureImporter self, Texture2D texture2D)
{
TextureImporterUtil.FixTextureSize(self, texture2D);
}