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WrapText

WrapText
string WrapText(int wt_font, string wt_s, int wt_linelen)

Documentation

Inserts the "|" character as line breaks. This is not speed optimised, but is fine for short blocks and once-only uses.

Example Usage

string WrapText(int wt_font, string wt_s, int wt_linelen)
// Pass: The font to use, the string to wrap, the length in pixels to fit into
// Return: The passed string with | characters inserted as breaks
// Assmes: The font is valid, and will overrun if a word is longer than linelen
// Note: Existing breaks will be respected, but adjacent | characters will be
//     replaced with a single | so add a space for multiple line breaks
{
   int wt_i;
   string wt_tpara = "";
   string wt_tline = "";
   string wt_output = "";
   int wt_breaks = TokenCount(wt_s, "|");
   while (len(wt_s))
   {
      wt_tpara = GetToken(wt_s, "|", 0);
      wt_s = right(wt_s, len(wt_s) - len(wt_tpara) - 1);
      if (TextWidth(wt_font, wt_tpara) < wt_linelen)
      {
         wt_output = wt_output + wt_tpara + "|";
      }
      else
      {
         while (len(wt_tpara))
         {
            wt_tline = wt_tline + GetToken(wt_tpara, " ", 0);
            wt_tpara = right(wt_tpara, len(wt_tpara) - len(GetToken(wt_tpara, " ", 0)) - 1);
            if (TextWidth(wt_font, wt_tline + GetToken(wt_tpara, " ", 0) + " ") > wt_linelen)
            {
               wt_output = wt_output + wt_tline + "|";
               wt_tline = "";
            }
            else wt_tline = wt_tline + " ";
         }
         if (len(wt_tline))
         {
            wt_output = wt_output + left(wt_tline, len(wt_tline) - 1) + "|";
            wt_tline = "";
         }
      }
   }
   return wt_output + "|"; // Double "||" to terminate
}
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