public setColumnInfo(column: number, partIndex: number, charIndex: number, horizontalOffset: number): void {
(partIndex << CharacterMappingConstants.PART_INDEX_OFFSET)
| (charIndex << CharacterMappingConstants.CHAR_INDEX_OFFSET)
) >>> 0;
this._data[column - 1] = partData;
this._horizontalOffset[column - 1] = horizontalOffset;
}
public getHorizontalOffset(column: number): number {