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SFML projects / Simple Paint Program Example

« on: May 20, 2013, 01:42:52 am »

#include <SFML/Graphics.hpp>
#include <vector>

int main()
{
    // create the window
    sf::RenderWindow window(sf::VideoMode(800, 600), "My window");
   std::vector <sf::Vertex> lines;
   sf::Texture texture;
   sf::Sprite sprite;
   texture.create(800,600);

   int mousedown = 0;
    // run the program as long as the window is open
   window.setFramerateLimit(30);

    while (window.isOpen())
    {
        // check all the window's events that were triggered since the last iteration of the loop
        sf::Event event;
        while (window.pollEvent(event))
        {
            // "close requested" event: we close the window
            if (event.type == sf::Event::Closed)
                window.close();   
         else if ((event.type == sf::Event::MouseMoved) && (mousedown == 1))
         {
            lines.push_back(sf::Vertex(sf::Vector2f::Vector2(sf::Mouse::getPosition(window))));
         }
         else if (event.type == sf::Event::MouseButtonPressed)
         {
            mousedown = 1;
         }
         else if (event.type == sf::Event::MouseButtonReleased)
         {
            mousedown = 0;
            texture.update(window);
            lines.clear();
         }
      }

        window.clear(sf::Color::Black);

         window.draw(sprite);

      window.draw(&lines[0], lines.size(), sf::LinesStrip);

      sprite.setTexture(texture);
        window.display();   

    }

    return 0;
}