Method processText

src/Interface/Text.cpp:347–456

* Takes care of any text post-processing like calculating * line metrics for alignment and wordwrapping if necessary. */

 * line metrics for alignment and wordwrapping if necessary.
 */
void Text::processText()
{
	if (_font == 0 || _lang == 0)
	{
		return;
	}

	std::wstring *str = &_text;

	// Use a separate string for wordwrapping text
	if (_wrap)
	{
		_wrappedText = _text;
		str = &_wrappedText;
	}

	_lineWidth.clear();
	_lineHeight.clear();

	int width = 0, word = 0;
	size_t space = 0;
	bool start = true;
	Font *font = _font;

	// Go through the text character by character
	for (size_t c = 0; c <= str->size(); ++c)
	{
		// End of the line
		if (c == str->size() || Font::isLinebreak((*str)[c]))
		{
			// Add line measurements for alignment later
			_lineWidth.push_back(width);
			_lineHeight.push_back(font->getCharSize(L'\n').h);
			width = 0;
			word = 0;
			start = true;

			if (c == str->size())
				break;
			// \x02 marks start of small text
			else if ((*str)[c] == 2)
				font = _small;
		}
		// Keep track of spaces for wordwrapping
		else if (Font::isSpace((*str)[c]) || Font::isSeparator((*str)[c]))
		{
			space = c;
			width += font->getCharSize((*str)[c]).w;
			word = 0;
			start = false;
		}
		// Keep track of the width of the last line and word
		else if ((*str)[c] != 1)
		{
			if (font->getChar((*str)[c]) == 0)
			{
				(*str)[c] = L'?';
			}