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WrapTextX

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

Documentation

Inserts the "|" character as line breaks. This is speed optimised, but is still only recommended for short blocks (ie. not the entire works of Shakespeare passed in one argument) and once-only uses.

Example Usage

string WrapTextX(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
{
	string wt_tpara = "";
	int curpara = 0;
	int nextpara, lenpara, curchr, nextchr, width;
	int length = len(wt_s);
	while (curpara < length)
	{
		nextpara = strstrp("|", wt_s, curpara + 1);
		if (nextpara > curpara + 1)
		{
			lenpara = nextpara - curpara - 1;
			wt_tpara = mid(wt_s, curpara + 1, lenpara);
			if (TextWidth(wt_font, wt_tpara) > wt_linelen)
			{
				curchr = 0-1;
				width = 0;
				while (curchr < lenpara)
				{
					nextchr = strstrp(" ", wt_tpara, curchr + 1);
					width += TextWidth(wt_font, mid(wt_tpara, curchr, nextchr - curchr));
					if (width > wt_linelen)
					{
						wt_s = chrovr(curpara + curchr + 1, "\", wt_s);
						width = TextWidth(wt_font, mid(wt_tpara, curchr + 1, nextchr - curchr - 1));
					}
					curchr = nextchr;
				}
			}
		}
		curpara = nextpara;
	}
	return wt_s;
}
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