enum AttachmentPoint { kTopLeft = 1, kTopCenter = 2, kTopRight = 3, kMiddleLeft = 4, kMiddleCenter = 5, kMiddleRight = 6, kBottomLeft = 7, kBottomCenter = 8, kBottomRight = 9, kBaseLeft = 10, kBaseCenter = 11, kBaseRight = 12, kBaseAlign = 13, kBottomAlign = 14, kMiddleAlign = 15, kTopAlign = 16, kBaseFit = 17, kBottomFit = 18, kMiddleFit = 19, kTopFit = 20, kBaseMid = 21, kBottomMid = 22, kMiddleMid = 23, kTopMid = 24 };