C# Screen类代码示例

 public ScreenFadeOutTransition(Screen screen, Color color, bool queue = true, float speed = 0.05f, Action onBegin = null, Action onEnd = null)
     : base(screen, queue, speed, onBegin, onEnd)
 {
     _color = color;
     _screen = screen;
     _pixel = ResourceManager.getTexture("pixel");
 }

        //make a screen in db
        internal int InsertScreen(Screen scrn)
        {
            int result = 0;
            try
            {   //noOfSeats is the number of seats in a row
                  //12 rows, 8 seats pr. row
                dbConn.Open();
                SqlCommand command = new SqlCommand(("INSERT INTO CinemaScreen (screenNo, noOfRows, noOfSeats) VALUES ((@screenNo), (@noOfRows), (@noOfSeats))"), dbConn);

                command.Parameters.Add("@screenNo", SqlDbType.Int).Value = scrn.screenNo;
                command.Parameters.Add("@noOfRows", SqlDbType.Int).Value = scrn.numberOfRows;
                command.Parameters.Add("@noOfSeats", SqlDbType.Int).Value = scrn.numberOfSeatsInARow;

                result = command.ExecuteNonQuery();
            }
            catch (SqlException)
            {
                throw;
            }
            finally
            {
                dbConn.Close();
            }
            return result;
        }

        public void modeSelect()
        {
            modeScreen = new ModeScreen(this);
            currentScreen = Screen.ModeScene;

            startScreen = null;
        }

 public ScreenInput(Screen screen, SpriteFont Font, String Command)
     : base(screen)
 {
     this.Font = Font;
     this.Size.Y = Font.LineSpacing;
     this.Command = Command;
 }

 ///<summary>Inserts one Screen into the database.  Returns the new priKey.</summary>
 internal static long Insert(Screen screen)
 {
     if(DataConnection.DBtype==DatabaseType.Oracle) {
         screen.ScreenNum=DbHelper.GetNextOracleKey("screen","ScreenNum");
         int loopcount=0;
         while(loopcount<100){
             try {
                 return Insert(screen,true);
             }
             catch(Oracle.DataAccess.Client.OracleException ex){
                 if(ex.Number==1 && ex.Message.ToLower().Contains("unique constraint") && ex.Message.ToLower().Contains("violated")){
                     screen.ScreenNum++;
                     loopcount++;
                 }
                 else{
                     throw ex;
                 }
             }
         }
         throw new ApplicationException("Insert failed.  Could not generate primary key.");
     }
     else {
         return Insert(screen,false);
     }
 }

 public void quitGame()
 {
     startScreen = new StartScreen(this);
     currentScreen = Screen.StartScreen;
     gameScreen = null;
     scoreboardScreen = null;
 }

 public Screen Mouseclik(int x, int y)
 {
     Rectangle mouserec = new Rectangle(x, y, 10, 10);
     if (mouserec.Intersects(world1rect))
     {
         current = Screen.ChooseLevelScreen;
         return (current);
     }
     else if (mouserec.Intersects(world2rect))
     {
         current = Screen.ChooseLevelScreen2;
         return (current);
     }
     else if (mouserec.Intersects(world3rect))
     {
         current = Screen.ChooseLevelScreen3;
         return (current);
     }
     else if (mouserec.Intersects(backbuttonw))
     {
         current = Screen.StartScreen;
         return (current);
     }
     return (current);
 }

 // Constructor for custom pane textures
 public Pane(
     Screen screen,
     Texture2D topLeftCorner,
     Texture2D topRightCorner,
     Texture2D bottomRightCorner,
     Texture2D bottomLeftCorner,
     Texture2D leftSide,
     Texture2D topSide,
     Texture2D rightSide,
     Texture2D bottomSide,
     Texture2D background,
     UIAlignment alignment,
     int x,
     int y,
     int width,
     int height)
 {
     _screen = screen;
     _spriteBatch = _screen.screenSystem.spriteBatch;
     _topLeftCorner = topLeftCorner;
     _topRightCorner = topRightCorner;
     _bottomRightCorner = bottomRightCorner;
     _bottomLeftCorner = bottomLeftCorner;
     _leftSide = leftSide;
     _topSide = topSide;
     _rightSide = rightSide;
     _bottomSide = bottomSide;
     _background = background;
     _alignment = alignment;
     _xOffset = x;
     _yOffset = y;
     _width = width;
     _height = height;
 }

        /// <summary>
        /// The constructor for this selector.
        /// </summary>
        public ScreenTextureSelector(Engine engine, Screen screen)
            : base(screen)
        {
            // Adds the page forward and back buttons to the screen.
            int _buttonHeight = screen.GetTotalElementHeight();
            ScreenButton _but = new ScreenButton(screen, "Back", "<", engine.FontMain);
            _but.Position.X = Screen.boarderSize;
            _but.Size.X = 32;
            _but.Position.Y = _buttonHeight;
            screen.ElementList.Add(_but);
            _but = new ScreenButton(screen, "Forward", ">", engine.FontMain);
            _but.Position.X = Screen.boarderSize + 32 + Screen.boarderSize;
            _but.Size.X = 32;
            _but.Position.Y = _buttonHeight;
            screen.ElementList.Add(_but);

            // Creates a new input field and adds it to the screen.
            this.InputField = new ScreenInput(screen, engine.FontMain);
            screen.AddElement(InputField);

            // Resizes and places the bread and butter of this element.
            this.Position.Y = screen.GetTotalElementHeight();
            this.Size.Y = 128;

            // Determines the max rows and columns that will fit.
            this.PrevMaximumColumns = (int)Math.Floor(Size.X / TilePreviewSize);
            this.PrevMaximumRows = (int)Math.Floor(Size.Y / TilePreviewSize);

            // Creates new lists to display.
            FilterTiles(engine);
        }

 public void ParentItemIsUnsetOnRemovedConductedItem() {
     var conductor = new Conductor<IScreen>.Collection.OneActive();
     var conducted = new Screen();
     conductor.Items.Add(conducted);
     conductor.Items.RemoveAt(0);
     Assert.NotEqual(conductor, conducted.Parent);
 }

 public LabelTextureButton(
     Screen screen,
     SpriteBatch spriteBatch,
     UIAlignment alignment,
     int x,
     int y,
     Texture2D selectedTexture,
     Texture2D deselectedTexture,
     Rectangle localHitBox,
     SpriteFont font,
     TextAlignment textAlignment,
     string text,
     int textXOffset,
     int textYOffset,
     int outline,
     Color selectedColor,
     Color deselectedColor,
     Action onActivate,
     Action onMouseOver,
     Action onMouseOut)
     : base(screen, spriteBatch, alignment, x, y, selectedTexture, deselectedTexture, localHitBox, onActivate, onMouseOver, onMouseOut)
 {
     _font = font;
     _textAlignment = textAlignment;
     _text = text;
     _textXOffset = textXOffset;
     _textYOffset = textYOffset;
     _outline = outline;
     _selectedColor = selectedColor;
     _deselectedColor = deselectedColor;
 }

 public BasicCore(Game1 game)
 {
     this.game = game;
     this.screen = new Screen();
     this.content = new ContentHandler(this.game.Content);
     this.r = new Registry();
 }

        private void CalculateRealScreenPosition(Screen screen, Vector intersection)
        {
            CursorPositionX += (intersection.x * screen.WidthPixels - CursorPositionX) * VelocityResponse;
            CursorPositionY += ((1 - intersection.y) * screen.HeightPixels - CursorPositionY) * VelocityResponse;

            mouseFacade.SetCursorPosition((int)CursorPositionX, (int)CursorPositionY);
        }

 public override void Draw(Screen screen)
 {
     if(Parent is Level)
     {
         base.Draw(screen);
     }
 }

 public void ReadAndRenderFile ( string _filename )
 {
     IAnsiDecoder vt100 = new AnsiDecoder();
     //vt100.Encoding = encodingInfo.GetEncoding (); // encodingInfo.Name, new EncoderExceptionFallback(), new DecoderReplacementFallback ("U") );
     Screen screen = new Screen ( 80, 160 );
     vt100.Subscribe ( screen );
     
     using ( BinaryReader reader = new BinaryReader(File.Open(_filename, FileMode.Open)) )
     {
         try
         {
             int read = 0;
             while ( (read = reader.Read()) != -1 )
             {
                 vt100.Input ( new byte[] { (byte) read } );
             }
         }
         catch ( EndOfStreamException )
         {
         }
     }
     System.Console.Write ( screen.ToString() );
     Bitmap bitmap = screen.ToBitmap ( new Font("Courier New", 10) );
     bitmap.Save ( _filename + ".png", System.Drawing.Imaging.ImageFormat.Png );
 }