Game Maker Games, Articles, Tutorials & More

Print

string_confine_width

By Daniel · January 7, 2009

Trims characters from the end of a string until it is no wider than max_width. If trimming is necessary, the suffix (typically "...") will be appended on to the end of the string. Runs in logarithmic time.

/* string_confine_width(str, max_width, suffix)
 *
 * Trims characters from the end of a string until it is no wider than
 * max_width. If trimming is necessary, the suffix (typically "...") will
 * be appended on to the end of the string. Runs in logarithmic time.
 */

if (string_width(argument0) <= argument1)
  return argument0;

var lo, hi, mid;

lo = 0;
hi = string_length(argument0);

while (hi - lo > 1) {
  mid = (lo + hi) div 2;
  if (string_width(string_copy(argument0, 1, mid) + argument2) <= argument1)
    lo = mid;
  else
    hi = mid;
}

return string_copy(argument0, 1, lo) + argument2;

Categories: String handling

Comments

There are no comments to display.

Post a Comment

You must be signed in to post comments.

Advertisement