Type Alias TIIHistoryBackendChanges

TIIHistoryBackendChanges: {
    added?: IIStroke[];
    erased?: IIStroke[];
    matrix?: { matrix: TMatrixTransform; strokes: IIStroke[] };
    replaced?: { newStrokes: IIStroke[]; oldStrokes: IIStroke[] };
    rotate?: { angle: number; center: TPoint; strokes: IIStroke[] }[];
    scale?: {
        origin: TPoint;
        scaleX: number;
        scaleY: number;
        strokes: IIStroke[];
    }[];
    translate?: { strokes: IIStroke[]; tx: number; ty: number }[];
}

used to send messages to the backend on undo or redo