ctxOriginal, this.mainPatch, colorScheme, this.numSurfaceSegments);
                for (let i = 0; i < 4; i++) {
                    for (let j = 0; j < 4; j++) {
                        const pointType = this._getPointType(i, j);
                        let isActive = false;
                        if (this.draggingPointInfo && this.draggingPointInfo.colIndex === i && this.draggingPointInfo.rowIndex === j) {
                            isActive = true;
                        }
                        thi