Grafika 2D na sprzęcie "embedded", Allegro i SFML za wolne - co jeszcze?

#include "stdafx.h"

#include <SFML/Graphics.hpp>

using namespace std;

float heading;

int main()
{
   
    sf::RenderWindow AppWindow( sf::VideoMode( 400, 200, 32 ), "title" );
    AppWindow.setFramerateLimit( 60 );
   
   
    // Wczytywanie obrazków PNG
   
    sf::Texture gauge_texture;
    gauge_texture.loadFromFile( "dial.png" ); // tarcza 400x400
    sf::Sprite gauge_sprite;
    gauge_sprite.setTexture( gauge_texture );
   
    gauge_sprite.setOrigin( 200, 200 );
    gauge_sprite.setPosition( 100, 100 );
    gauge_sprite.setScale( 0.5, 0.5 );
   
   
    sf::Texture gauge_texture2;
    gauge_texture2.loadFromFile( "ned1.png" ); // wskazówka 43x255
    sf::Sprite gauge_sprite2;
    gauge_sprite2.setTexture( gauge_texture2 );
   
    gauge_sprite2.setOrigin( 21, 199 );
    gauge_sprite2.setPosition( 100, 100 );
    gauge_sprite2.setScale( 0.5, 0.5 );
   
    sf::Texture gauge_texture3;
    gauge_texture3.loadFromFile( "dial.png" ); // tarcza 400x400
    sf::Sprite gauge_sprite3;
    gauge_sprite3.setTexture( gauge_texture3 );
   
    gauge_sprite3.setOrigin( 200, 200 );
    gauge_sprite3.setPosition( 300, 100 );
    gauge_sprite3.setRotation( 170 ); // Ta tarcza nie będzie się obracała
    gauge_sprite3.setScale( 0.5, 0.5 );
   
    sf::Texture gauge_texture4;
    gauge_texture4.loadFromFile( "ned1.png" ); // wskazówka 43x255
    sf::Sprite gauge_sprite4;
    gauge_sprite4.setTexture( gauge_texture4 );
   
    gauge_sprite4.setOrigin( 21, 199 );
    gauge_sprite4.setPosition( 300, 100 );
    gauge_sprite4.setScale( 0.5, 0.5 );
   
   
    while( AppWindow.isOpen() )
    {
       
        sf::Event event1;
        while( AppWindow.pollEvent( event1 ) )
        {
            if( event1.type == sf::Event::Closed )
                 AppWindow.close();
           
        }
       
       
        AppWindow.clear( sf::Color::Black );
       
        // ustawiamy obrót tarcz
       
        gauge_sprite.setRotation( heading );
        gauge_sprite2.setRotation( heading * - 1 ); // obrót w przeciwnym kierunku
        gauge_sprite4.setRotation( heading * - 1 );
       
       
        AppWindow.draw( gauge_sprite );
        AppWindow.draw( gauge_sprite2 );
        AppWindow.draw( gauge_sprite3 );
        AppWindow.draw( gauge_sprite4 );
       
        heading = heading + 1; // zwiększamy obrót o 1 stopień
       
        AppWindow.display();
       
       
       
    }
    return 0;
}