Extend center point vertically for bottom keys on a keyboard.

    return centerX;

}

// referencePointY is currently not used because we don't specially handle keys higher than the

// most common key height. When the referencePointY is NOT_A_COORDINATE, this method should

// calculate the return value without using the line segment.

// When the referencePointY is NOT_A_COORDINATE, this method calculates the return value without

// using the line segment.

int ProximityInfo::getKeyCenterYOfKeyIdG(

        const int keyId,  const int referencePointY, const bool isGeometric) const {

    // TODO: Remove "isGeometric" and have separate "proximity_info"s for gesture and typing.

    if (keyId < 0) {

        return 0;

    }

    int centerY;

    if (!hasTouchPositionCorrectionData()) {

        return mCenterYsG[keyId];

        centerY = mCenterYsG[keyId];

    } else if (isGeometric) {

        return static_cast<int>(mSweetSpotCenterYsG[keyId]);

        centerY = static_cast<int>(mSweetSpotCenterYsG[keyId]);

    } else {

        return static_cast<int>(mSweetSpotCenterYs[keyId]);

        centerY = static_cast<int>(mSweetSpotCenterYs[keyId]);

    }

    if (referencePointY != NOT_A_COORDINATE &&

            centerY + mKeyHeights[keyId] > KEYBOARD_HEIGHT && centerY < referencePointY) {

        // When the distance between center point and bottom edge of the keyboard is shorter than

        // the key height, we assume the key is located at the bottom row of the keyboard.

        // The center point is extended to the bottom edge for such keys.

        return referencePointY;

    }

    return centerY;

}

int ProximityInfo::getKeyKeyDistanceG(const int keyId0, const int keyId1) const {