Unity で適切なフォントサイズを計算

unity_calc_font_size.cs

// BEGIN MIT LICENSE BLOCK //
//
// Copyright (c) 2016 dskjal
// This software is released under the MIT License.
// http://opensource.org/licenses/mit-license.php
//
// END MIT LICENSE BLOCK   //
private void getProperFontSize(GUIStyle style, int nLines, int textAreaHeight) {
  int maxHeight = textAreaHeight / nLines;
  int curHeight = getFontHeight(style);
  if(curHeight > maxHeight) {
    while(curHeight > maxHeight) {
      style.fontSize = style.fontSize-1;
      curHeight = getFontHeight(style);
    }
    style.fontSize = style.fontSize + 1;
  }
  else {
    while(curHeight < maxHeight) {
      style.fontSize = style.fontSize + 1;
      curHeight = getFontHeight(style);
    }
    style.fontSize = style.fontSize - 1;
  }
}