OptiFine Capes works not correctly

[Byllfighter]

    {
      "name": "OptiFine",
      "type": "Legacy",
      "checkPNG": true,
      "cape": "https://optifine.net/capes/{USERNAME}.png"
    }

In preview OptiFineCape account: https://namemc.com/profile/OptiFineCape.1

[ZekerZhayard]

The size of the OptiFine Cape is not the standard size of the Minecraft cape (an integer multiple of 64:32), so additional logic is required to complete the OptiFine Cape size to the standard size.

[Byllfighter]

Can i do it in loadlist?

[ZekerZhayard]

you can but you need to write some Java code

[Byllfighter]

i dont know java