using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Graphics;
using Microsoft.Xna.Framework.Input;

namespace Game1
{
     /// <summary>
     /// This is the main type for your game.
     /// </summary>
     public class Game1 : Game
     {
          GraphicsDeviceManager graphics;
          SpriteBatch spriteBatch;

          // переменная
          Texture2D rectangleBlock;

          public Game1()
          {
               graphics = new GraphicsDeviceManager(this);
               Content.RootDirectory = "Content";

               graphics.IsFullScreen = true;
               graphics.PreferredBackBufferWidth = 800;
               graphics.PreferredBackBufferHeight = 480;
               graphics.SupportedOrientations = DisplayOrientation.LandscapeLeft | DisplayOrientation.LandscapeRight;
          }

          /// <summary>
          /// Allows the game to perform any initialization it needs to before starting to run.
          /// This is where it can query for any required services and load any non-graphic
          /// related content. Calling base.Initialize will enumerate through any components
          /// and initialize them as well.
          /// </summary>
          protected override void Initialize()
          {
               // TODO: Add your initialization logic here

               base.Initialize();
          }

          /// <summary>
          /// LoadContent will be called once per game and is the place to load
          /// all of your content.
          /// </summary>
          protected override void LoadContent()
          {
               // Create a new SpriteBatch, which can be used to draw textures.
               spriteBatch = new SpriteBatch(GraphicsDevice);

               // создаем элемент
               rectangleBlock = new Texture2D(GraphicsDevice, 1, 1);
               Microsoft.Xna.Framework.Color xnaColorBorder = new Microsoft.Xna.Framework.Color(128, 128, 128); // default color gray
               rectangleBlock.SetData(new[] { xnaColorBorder });
          }

          /// <summary>
          /// UnloadContent will be called once per game and is the place to unload
          /// game-specific content.
          /// </summary>
          protected override void UnloadContent()
          {
               // TODO: Unload any non ContentManager content here
          }

          /// <summary>
          /// Allows the game to run logic such as updating the world,
          /// checking for collisions, gathering input, and playing audio.
          /// </summary>
          /// <param name="gameTime">Provides a snapshot of timing values.</param>
          protected override void Update(GameTime gameTime)
          {
               if (GamePad.GetState(PlayerIndex.One).Buttons.Back == ButtonState.Pressed)
                    Exit();

               // TODO: Add your update logic here

               base.Update(gameTime);
          }

          /// <summary>
          /// This is called when the game should draw itself.
          /// </summary>
          /// <param name="gameTime">Provides a snapshot of timing values.</param>
          protected override void Draw(GameTime gameTime)
          {
               GraphicsDevice.Clear(Color.CornflowerBlue);

               // рисуем текст
               spriteBatch.Begin();
               Microsoft.Xna.Framework.Point position = new Microsoft.Xna.Framework.Point(100, 50); // position
               Microsoft.Xna.Framework.Point size = new Microsoft.Xna.Framework.Point(30, 20); // size
               Rectangle rectangle = new Microsoft.Xna.Framework.Rectangle(position, size);
               Microsoft.Xna.Framework.Color color = new Microsoft.Xna.Framework.Color(255, 255, 0); // color yellow
               spriteBatch.Draw(rectangleBlock, rectangle, color);
               spriteBatch.End();

               base.Draw(gameTime);
          }
     }
}