(real)( m + ( max_height >> 6 ) ) / (real)tex_side // v2
);//设置坐标
// advance a column
l += (advance + mttfmsg->char_spacer);
//l+= 本字宽+字空
// if at end of row
(real)( m + ( max_height >> 6 ) ) / (real)tex_side // v2
);//设置坐标
// advance a column
l += (advance + mttfmsg->char_spacer);
//l+= 本字宽+字空
// if at end of row