UnityEditor.SpriteEditorWindow.PixelHasAlpha C# (CSharp) Method

        private bool PixelHasAlpha(int x, int y)
        {
            if (base.m_Texture == null)
            {
                return false;
            }
            if (s_AlphaPixelCache == null)
            {
                s_AlphaPixelCache = new bool[base.m_Texture.width * base.m_Texture.height];
                Color32[] colorArray = base.m_Texture.GetPixels32();
                for (int i = 0; i < colorArray.Length; i++)
                {
                    s_AlphaPixelCache[i] = colorArray[i].a != 0;
                }
            }
            int index = (y * base.m_Texture.width) + x;
            return s_AlphaPixelCache[index];
        }