freetype opencv 中文 对齐

https://blog.csdn.net/sinat_24143931/article/details/81028397

为了对齐需要修改部分代码，注释部分为原代码
 

    FT_BBox bbox;
    FT_Glyph glyph;
    FT_Get_Glyph(slot,&glyph);
    FT_Glyph_Get_CBox(glyph, FT_GLYPH_BBOX_TRUNCATE, &bbox);

    int height = bbox.yMax - bbox.yMin;

    int r = pos.y - (rows-1-i) + (height - slot->bitmap_top);
    //int r = pos.y - (rows-1-i) ;