LightSkin

45         private static string[] s_LightSkin = {
46             "iVBORw0KGgoAAAANSUhEUgAAAB4AAAAQCAYAAAABOs/SAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAZdEVYdFNvZnR3YXJlAEFkb2JlIEltYWdlUmVhZHlxyWU8AAAAW0lEQVRIS+3NywnAQAhF0anI4mzVCmzBBl7QEBgGE5JFhBAXd+OHM5gZZgYRKcktNxu+HRFF2e6qhtOjtQM7K/tZ+xY89wSbazg9eqOfw6oag4rcChjY8coAjA2l1RxFDY8IFAAAAABJRU5ErkJggg==",
47             "iVBORw0KGgoAAAANSUhEUgAAAB4AAAAQCAYAAAABOs/SAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAGlJREFUeNpiFBER+f/jxw8GNjY2BnqAX79+MXBwcDAwMQwQGHoWnzp1CoxHjo8pBSykBi8+MTMzs2HmY2QfwXxKii9HExdZgNwgHuFB/efPH7pZCLOL8f///wyioqL/6enbL1++MAIEGABvGSLA+9GPZwAAAABJRU5ErkJggg==",
48             "iVBORw0KGgoAAAANSUhEUgAAAAUAAAAECAYAAABGM/VAAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAZdEVYdFNvZnR3YXJlAEFkb2JlIEltYWdlUmVhZHlxyWU8AAAAMElEQVQYV2P4//8/Q1FR0X8YBvHBAp8+ffp/+fJlMA3igwUfPnwIFgDRYEFM7f8ZAG1EOYL9INrfAAAAAElFTkSuQmCC",
49             "iVBORw0KGgoAAAANSUhEUgAAAAkAAAAFCAYAAACXU8ZrAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAZdEVYdFNvZnR3YXJlAEFkb2JlIEltYWdlUmVhZHlxyWU8AAAAIElEQVQYV2P49OnTf0KYobCw8D8hzPD/P2FMLesK/wMAs5yJpK+6aN4AAAAASUVORK5CYII=",
50             "iVBORw0KGgoAAAANSUhEUgAAAAgAAAACCAIAAADq9gq6AAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAABVJREFUeNpiVFZWZsAGmBhwAIAAAwAURgBt4C03ZwAAAABJRU5ErkJggg==",
51             "iVBORw0KGgoAAAANSUhEUgAAAAgAAAACCAIAAADq9gq6AAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAABVJREFUeNpivHPnDgM2wMSAAwAEGAB8VgKYlvqkBwAAAABJRU5ErkJggg==",
52             "iVBORw0KGgoAAAANSUhEUgAAAAUAAAAECAYAAABGM/VAAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAAEFJREFUeNpi/P//P0NxcfF/BgRgZP78+fN/VVVVhpCQEAZjY2OGs2fPNrCApBwdHRkePHgAVwoWnDVrFgMyAAgwAAt4E1dCq1obAAAAAElFTkSuQmCC"
53         };

168         private static void LoadResourceAssets()
169         {
170             var skin = EditorGUIUtility.isProSkin ? s_DarkSkin : s_LightSkin;
171             s_Cached = new Texture2D[ skin.Length ];
172
173             for( int i = 0; i < s_Cached.Length; ++i )
174             {
175                 // Get image data (PNG) from base64 encoded strings.
176                 byte[] imageData = Convert.FromBase64String( skin[ i ] );
177
178                 // Gather image size from image data.
179                 int texWidth, texHeight;
180                 GetImageSize( imageData, out texWidth, out texHeight );
181
182                 // Generate texture asset.
183                 var tex = new Texture2D( texWidth, texHeight, TextureFormat.ARGB32, false, true );
184                 tex.hideFlags = HideFlags.HideAndDontSave;
185                 tex.name = "(Generated) ReorderableList:" + i;
186                 tex.filterMode = FilterMode.Point;
187                 tex.LoadImage( imageData );
188
189                 s_Cached[ i ] = tex;
190             }
191
192             s_LightSkin = null;
193             s_DarkSkin = null;
194         }