Cocos2dxBitmap.java 文件源码

private static int computeY(final FontMetricsInt pFontMetricsInt,
        final int pConstrainHeight, final int pTotalHeight,
        final int pVerticalAlignment) {
    int y = -pFontMetricsInt.top;

    if (pConstrainHeight > pTotalHeight) {
        switch (pVerticalAlignment) {
        case VERTICALALIGN_TOP:
            y = -pFontMetricsInt.top;
            break;
        case VERTICALALIGN_CENTER:
            y = -pFontMetricsInt.top + (pConstrainHeight - pTotalHeight)
                    / 2;
            break;
        case VERTICALALIGN_BOTTOM:
            y = -pFontMetricsInt.top + (pConstrainHeight - pTotalHeight);
            break;
        default:
            break;
        }
    }

    return y;
}