Method drawWrappedText

src/Font.cpp:343–400

this could probably be optimized draws text and ensures it's never longer than xLen

//this could probably be optimized
//draws text and ensures it's never longer than xLen
void Font::drawWrappedText(std::string text, const Eigen::Vector2f& offset, float xLen, unsigned int color)
{
	float y = offset.y();

	std::string line, word, temp;
	Eigen::Vector2f textSize;
	size_t space, newline;

	while(text.length() > 0 || !line.empty()) //while there's text or we still have text to render
	{
		space = text.find(' ', 0);
		if(space == std::string::npos)
			space = text.length() - 1;


		word = text.substr(0, space + 1);

		//check if the next word contains a newline
		newline = word.find('\n', 0);
		if(newline != std::string::npos)
		{
			word = word.substr(0, newline);
			text.erase(0, newline + 1);
		}else{
			text.erase(0, space + 1);
		}

		temp = line + word;

		textSize = sizeText(temp);

		//if we're on the last word and it'll fit on the line, just add it to the line
		if((textSize.x() <= xLen && text.length() == 0) || newline != std::string::npos)
		{
			line = temp;
			word = "";
		}


		//if the next line will be too long or we're on the last of the text, render it
		if(textSize.x() > xLen || text.length() == 0 || newline != std::string::npos)
		{
			//render line now
			if(textSize.x() > 0) //make sure it's not blank
				drawText(line, Eigen::Vector2f(offset.x(), y), color);

			//increment y by height and some extra padding for the next line
			y += textSize.y() + 4;

			//move the word we skipped to the next line
			line = word;
		}else{
			//there's still space, continue building the line
			line = temp;
		}

	}
}