Ok, so i managed to recreate the bug within a simple little program. The problem seems to be when you set the size of the text past a certain number the blue lines begin to show up. Here's the code:
#include <SFML/Graphics.hpp>
int main()
{
sf::RenderWindow *window = new sf::RenderWindow(sf::VideoMode(800, 600), "Text Bug");
sf::Text text;
text.setCharacterSize(75);
text.setString("This is a test string");
text.setPosition(100, 300);
while (window -> isOpen())
{
if (sf::Keyboard::isKeyPressed(sf::Keyboard::Escape))
{
window -> close();
}
window -> clear();
window -> draw(text);
window -> display();
}
return 0;
}
Ran this on Windows 7 64bit, SFML 2.0 RC, and Visual Studio 2010.
Another note that I discovered while attempting to recreate the bug; if you don't make sf::RenderWindow() a pointer like I did in the above code, then the program will crash when you close the window. This is also caused by sf::Text for some reason.
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