float midy = (float)(y - lastY)/2) double phi = Math.atan2(midy-center.y, midx-center.x) String s = neighbors[i-1] double sw = font.getStringBounds(s, frc).getWidth() double diag = Math.sqrt(sw*sw + sh*sh)/2 float sx = (float)(mi

js Diag,实现了类似百度提示的功能~-js Diag, Baidu tips to achieve a similar function ~