SFML 2.4.2

### - i -

- Image() : sf::Image
- initialize() : sf::RenderTarget , sf::SoundStream
- InputSoundFile() : sf::InputSoundFile
- insert() : sf::String
- intersects() : sf::Rect< T >
- IpAddress() : sf::IpAddress
- isAvailable() : sf::Sensor , sf::Shader , sf::SoundRecorder
- isBlocking() : sf::Socket
- isButtonPressed() : sf::Joystick , sf::Mouse
- isConnected() : sf::Joystick
- isDown() : sf::Touch
- isEmpty() : sf::String
- isExtensionAvailable() : sf::Context
- isGeometryAvailable() : sf::Shader
- isKeyPressed() : sf::Keyboard
- isOk() : sf::Ftp::Response
- isOpen() : sf::Window
- isReady() : sf::SocketSelector
- isRelativeToListener() : sf::SoundSource
- isRepeated() : sf::RenderTexture , sf::Texture
- isSmooth() : sf::RenderTexture , sf::Texture
- isSrgb() : sf::Texture
- isValid() : sf::VideoMode