C# GUIImage.AllocResources方法代码示例

    /// <summary>
    /// Method to render a single item of the filmstrip
    /// </summary>
    /// <param name="bFocus">true if item shown be drawn focused, false for normal mode</param>
    /// <param name="dwPosX">x-coordinate of the item</param>
    /// <param name="dwPosY">y-coordinate of the item</param>
    /// <param name="pItem">item itself</param>
    private void RenderItem(int itemNumber, float timePassed, bool bFocus, int dwPosX, int dwPosY, GUIListItem pItem)
    {
      if (_font == null)
      {
        return;
      }
      if (pItem == null)
      {
        return;
      }
      if (dwPosY < 0)
      {
        return;
      }

      bool itemFocused = bFocus == true && Focus && _listType == GUIListControl.ListType.CONTROL_LIST;

      float fTextHeight = 0, fTextWidth = 0;
      _font.GetTextExtent("W", ref fTextWidth, ref fTextHeight);

      float fTextPosY = (float)dwPosY + (float)_textureHeight;

      TransformMatrix tm = null;
      long dwColor = _textColor;
      if (pItem.Selected)
      {
        dwColor = _selectedColor;
      }
      if (pItem.IsPlayed)
      {
        dwColor = _playedColor;
      }
      if (!bFocus && Focus)
      {
        dwColor = Color.FromArgb(_unfocusedAlpha, Color.FromArgb((int)dwColor)).ToArgb();
      }
      if (pItem.IsRemote)
      {
        dwColor = _remoteColor;
        if (pItem.IsDownloading)
        {
          dwColor = _downloadColor;
        }
      }
      if (pItem.IsBdDvdFolder)
      {
        dwColor = _bdDvdDirectoryColor;
      }
      if (!Focus)
      {
        dwColor &= DimColor;
      }

      //uint currentTime = (uint) (DXUtil.Timer(DirectXTimer.GetAbsoluteTime)*1000.0);
      uint currentTime = (uint)System.Windows.Media.Animation.AnimationTimer.TickCount;
      // Set oversized value
      int iOverSized = 0;

      if (itemFocused && _enableFocusZoom)
      {
        iOverSized = (_thumbNailWidth + _thumbNailHeight) / THUMBNAIL_OVERSIZED_DIVIDER;
      }
      GUIImage pImage = null;

      if (pItem.HasThumbnail)
      {
        pImage = pItem.Thumbnail;
        if (null == pImage && _sleeper == 0 && !IsAnimating)
        {
          pImage = new GUIImage(0, 0, _thumbNailPositionX - iOverSized + dwPosX,
                                _thumbNailPositionY - iOverSized + dwPosY, _thumbNailWidth + 2 * iOverSized,
                                _thumbNailHeight + 2 * iOverSized, pItem.ThumbnailImage, 0x0);
          pImage.ParentControl = this;
          pImage.KeepAspectRatio = _keepAspectRatio;
          pImage.ZoomFromTop = !pItem.IsFolder && _zoom;
          pImage.ImageAlignment = _imageAlignment;
          pImage.ImageVAlignment = _imageVAlignment;
          pImage.FlipX = _flipX;
          pImage.FlipY = _flipY;
          pImage.DiffuseFileName = _diffuseFileName;
          pImage.MaskFileName = _textureMask;
          pImage.SetAnimations(_allThumbAnimations);
          pImage.AllocResources();

          pItem.Thumbnail = pImage;
          pImage.SetPosition(_thumbNailPositionX - iOverSized + dwPosX, _thumbNailPositionY - iOverSized + dwPosY);
          pImage.DimColor = DimColor;
          _sleeper += SLEEP_FRAME_COUNT;
        }
        if (null != pImage)
        {
          if (pImage.TextureHeight == 0 && pImage.TextureWidth == 0)
          {
//.........这里部分代码省略.........

    //void SetProperties()

    protected override void RenderSingleChannel(Channel channel)
    {
      string strLogo;
      int chan = ChannelOffset;
      for (int iChannel = 0; iChannel < _channelCount; iChannel++)
      {
        if (chan < _channelList.Count)
        {
          Channel tvChan = _channelList[chan].channel;

          strLogo = GetChannelLogo(tvChan.DisplayName);
          GUIButton3PartControl img = GetControl(iChannel + (int)Controls.IMG_CHAN1) as GUIButton3PartControl;
          if (img != null)
          {
            if (_showChannelLogos)
            {
              img.TexutureIcon = strLogo;
            }
            img.Label1 = tvChan.DisplayName;
            img.Data = tvChan;
            img.IsVisible = true;
          }
        }
        chan++;
      }

      GUILabelControl channelLabel = GetControl((int)Controls.SINGLE_CHANNEL_LABEL) as GUILabelControl;
      GUIImage channelImage = GetControl((int)Controls.SINGLE_CHANNEL_IMAGE) as GUIImage;

      strLogo = GetChannelLogo(channel.DisplayName);
      if (channelImage == null)
      {
        if (strLogo.Length > 0)
        {
          channelImage = new GUIImage(GetID, (int)Controls.SINGLE_CHANNEL_IMAGE,
                                      GetControl((int)Controls.LABEL_TIME1).XPosition,
                                      GetControl((int)Controls.LABEL_TIME1).YPosition - 15,
                                      40, 40, strLogo, Color.White);
          channelImage.AllocResources();
          GUIControl temp = (GUIControl)channelImage;
          Add(ref temp);
        }
      }
      else
      {
        channelImage.SetFileName(strLogo);
      }

      if (channelLabel == null)
      {
        channelLabel = new GUILabelControl(GetID, (int)Controls.SINGLE_CHANNEL_LABEL,
                                           channelImage.XPosition + 44,
                                           channelImage.YPosition + 10,
                                           300, 40, "font16", channel.DisplayName, 4294967295, GUIControl.Alignment.Left,
                                           GUIControl.VAlignment.Top,
                                           true, 0, 0, 0xFF000000);
        channelLabel.AllocResources();
        GUIControl temp = channelLabel;
        Add(ref temp);
      }

      setSingleChannelLabelVisibility(true);

      channelLabel.Label = channel.DisplayName;
      if (strLogo.Length > 0)
      {
        channelImage.SetFileName(strLogo);
      }

      if (channelLabel != null)
      {
        channelLabel.Label = channel.DisplayName;
      }
      if (_recalculateProgramOffset)
      {
        _programs = new List<Program>();

        DateTime dtStart = DateTime.Now;
        dtStart = dtStart.AddDays(-1);

        DateTime dtEnd = dtStart.AddDays(30);

        TvBusinessLayer layer = new TvBusinessLayer();
        _programs = layer.GetPrograms(channel, dtStart, dtEnd);

        _totalProgramCount = _programs.Count;
        if (_totalProgramCount == 0)
        {
          _totalProgramCount = _channelCount;
        }

        _recalculateProgramOffset = false;
        bool found = false;
        for (int i = 0; i < _programs.Count; i++)
        {
          Program program = (Program)_programs[i];
          if (program.StartTime <= _viewingTime && program.EndTime >= _viewingTime)
          {
//.........这里部分代码省略.........

    public PlaneScene(VMR9Util util)
    {
      //	Log.Info("PlaneScene: ctor()");

      _textureAddress = 0;
      _vmr9Util = util;

      // Number of vertex buffers must be same as numer of segments in non-linear stretch
      _vertexBuffers = new VertexBuffer[nlsSourcePartitioning.Length];
      for (int i = 0; i < _vertexBuffers.Length; i++)
      {
        _vertexBuffers[i] = new VertexBuffer(typeof (CustomVertex.TransformedColoredTextured),
                                             4,
                                             GUIGraphicsContext.DX9Device,
                                             0,
                                             CustomVertex.TransformedColoredTextured.Format,
                                             GUIGraphicsContext.GetTexturePoolType());
      }

      _blackImage = new GUIImage(0);
      _blackImage.SetFileName("black.png");
      _blackImage.AllocResources();

      _cropSettings = new CropSettings();
    }

        private void Update(bool selectCurrentShow)
        {
            lock (this)
            {
                if (GUIWindowManager.ActiveWindowEx != this.GetID)
                {
                    return;
                }

                // sets button visible state
                UpdateGroupButton();

                _updateTimer = DateTime.Now;
                GUISpinControl cntlDay = GetControl((int)Controls.SPINCONTROL_DAY) as GUISpinControl;

                // Find first day in TVGuide and set spincontrol position
                int iDay = CalcDays();
                for (; iDay < 0; ++iDay)
                {
                    _viewingTime = _viewingTime.AddDays(1.0);
                }
                for (; iDay >= MaxDaysInGuide; --iDay)
                {
                    _viewingTime = _viewingTime.AddDays(-1.0);
                }
                cntlDay.Value = iDay;

                int xpos, ypos;
                GUIControl cntlPanel = GetControl((int)Controls.PANEL_BACKGROUND);
                GUIImage cntlChannelImg = (GUIImage)GetControl((int)Controls.CHANNEL_IMAGE_TEMPLATE);
                GUILabelControl cntlChannelLabel = (GUILabelControl)GetControl((int)Controls.CHANNEL_LABEL_TEMPLATE);
                GUILabelControl labelTime = (GUILabelControl)GetControl((int)Controls.LABEL_TIME1);
                GUIImage cntlHeaderBkgImg = (GUIImage)GetControl((int)Controls.IMG_TIME1);
                GUIImage cntlChannelTemplate = (GUIImage)GetControl((int)Controls.CHANNEL_TEMPLATE);


                _titleDarkTemplate = GetControl((int)Controls.LABEL_TITLE_DARK_TEMPLATE) as GUILabelControl;
                _titleTemplate = GetControl((int)Controls.LABEL_TITLE_TEMPLATE) as GUILabelControl;
                _genreDarkTemplate = GetControl((int)Controls.LABEL_GENRE_DARK_TEMPLATE) as GUILabelControl;
                _genreTemplate = GetControl((int)Controls.LABEL_GENRE_TEMPLATE) as GUILabelControl;

                _programPartialRecordTemplate = GetControl((int)Controls.BUTTON_PROGRAM_PARTIAL_RECORD) as GUIButton3PartControl;
                _programRecordTemplate = GetControl((int)Controls.BUTTON_PROGRAM_RECORD) as GUIButton3PartControl;
                _programNotifyTemplate = GetControl((int)Controls.BUTTON_PROGRAM_NOTIFY) as GUIButton3PartControl;
                _programNotRunningTemplate = GetControl((int)Controls.BUTTON_PROGRAM_NOT_RUNNING) as GUIButton3PartControl;
                _programRunningTemplate = GetControl((int)Controls.BUTTON_PROGRAM_RUNNING) as GUIButton3PartControl;

                _showChannelLogos = cntlChannelImg != null;
                if (_showChannelLogos)
                {
                    cntlChannelImg.IsVisible = false;
                }
                cntlChannelLabel.IsVisible = false;
                cntlHeaderBkgImg.IsVisible = false;
                labelTime.IsVisible = false;
                cntlChannelTemplate.IsVisible = false;
                int iLabelWidth = (cntlPanel.XPosition + cntlPanel.Width - labelTime.XPosition) / 4;

                // add labels for time blocks 1-4
                int iHour, iMin;
                iMin = _viewingTime.Minute;
                _viewingTime = _viewingTime.AddMinutes(-iMin);
                iMin = (iMin / _timePerBlock) * _timePerBlock;
                _viewingTime = _viewingTime.AddMinutes(iMin);

                DateTime dt = new DateTime();
                dt = _viewingTime;

                for (int iLabel = 0; iLabel < 4; iLabel++)
                {
                    xpos = iLabel * iLabelWidth + labelTime.XPosition;
                    ypos = labelTime.YPosition;

                    GUIImage img = GetControl((int)Controls.IMG_TIME1 + iLabel) as GUIImage;
                    if (img == null)
                    {
                        img = new GUIImage(GetID, (int)Controls.IMG_TIME1 + iLabel, xpos, ypos, iLabelWidth - 4,
                                           cntlHeaderBkgImg.RenderHeight, cntlHeaderBkgImg.FileName, 0x0);
                        img.AllocResources();
                        GUIControl cntl2 = (GUIControl)img;
                        Add(ref cntl2);
                    }

                    img.IsVisible = !_singleChannelView;
                    img.Width = iLabelWidth - 4;
                    img.Height = cntlHeaderBkgImg.RenderHeight;
                    img.SetFileName(cntlHeaderBkgImg.FileName);
                    img.SetPosition(xpos, ypos);
                    img.DoUpdate();

                    GUILabelControl label = GetControl((int)Controls.LABEL_TIME1 + iLabel) as GUILabelControl;
                    if (label == null)
                    {
                        label = new GUILabelControl(GetID, (int)Controls.LABEL_TIME1 + iLabel, xpos, ypos, iLabelWidth,
                                                    cntlHeaderBkgImg.RenderHeight, labelTime.FontName, String.Empty,
                                                    labelTime.TextColor, GuideBase.TimeAlignment, labelTime.TextVAlignment, false,
                                                    labelTime.ShadowAngle, labelTime.ShadowDistance, labelTime.ShadowColor);
                        label.AllocResources();
                        GUIControl cntl = (GUIControl)label;
                        this.Add(ref cntl);
//.........这里部分代码省略.........

//.........这里部分代码省略.........
          _listLabels[iButton].TextColor = dwColor;
          _listLabels[iButton].Label = pItem.Label;
          _listLabels[iButton].AllowScrolling = false;
          _listLabels[iButton].Render(timePassed);
        }
      }

      // Set oversized value
      int iOverSized = 0;
      if (bFocus && Focus && _enableFocusZoom && _zoomXPixels == 0 && _zoomYPixels == 0)
      {
        iOverSized = (_thumbNailWidth + _thumbNailHeight) / THUMBNAIL_OVERSIZED_DIVIDER;
      }

      GUIImage pFocusImage = null;
      if (pItem.HasThumbnail)
      {
        GUIImage pImage = pItem.Thumbnail;
        pFocusImage = pImage;
        if (null == pImage /*&& _sleeper==0 */&& !IsAnimating)
        {
          pImage = new GUIImage(0, 0, _xPositionThumbNail - iOverSized + dwPosX,
                                _yPositionThumbNail - iOverSized + dwPosY, _thumbNailWidth + 2 * iOverSized,
                                _thumbNailHeight + 2 * iOverSized, pItem.ThumbnailImage, 0x0);

          if (pImage != null)
          {
            pImage.ParentControl = this;
            pImage.KeepAspectRatio = _keepAspectRatio;
            pImage.ImageAlignment = Alignment.ALIGN_CENTER;
            pImage.ImageVAlignment = VAlignment.ALIGN_MIDDLE;
            pImage.MaskFileName = _textureMask;
            pImage.ZoomFromTop = !pItem.IsFolder && _zoom;
            pImage.AllocResources();
            pItem.Thumbnail = pImage;
            pImage.SetPosition(_xPositionThumbNail - iOverSized + dwPosX, _yPositionThumbNail - iOverSized + dwPosY);
            pImage.DimColor = DimColor;
            if (bFocus || !Focus)
            {
              pImage.ColourDiffuse = 0xffffffff;
            }
            else
            {
              pImage.ColourDiffuse = Color.FromArgb(_unfocusedAlpha, Color.White).ToArgb();
            }
            if (bFocus && (_zoomXPixels != 0 || _zoomYPixels != 0))
            {
              pImage.Width = _textureWidth + _zoomXPixels;
              pImage.Height = _textureHeight + _zoomYPixels;
              pImage.SetPosition(dwPosX - (_zoomXPixels / 2), dwPosY - (_zoomYPixels / 2));
            }
            pImage.Render(timePassed);
            _sleeper += SLEEP_FRAME_COUNT;
          }
        }
        if (null != pImage)
        {
          if (pImage.TextureHeight == 0 && pImage.TextureWidth == 0)
          {
            pImage.SafeDispose();
            pImage.AllocResources();
          }
          pImage.ZoomFromTop = !pItem.IsFolder && _zoom;
          pImage.Width = _thumbNailWidth + 2 * iOverSized;
          pImage.Height = _thumbNailHeight + 2 * iOverSized;
          pImage.ImageAlignment = Alignment.ALIGN_CENTER;

    protected virtual void RenderIcon(float timePassed, int buttonNr, int x, int y, bool gotFocus)
    {
      GUIListItem pItem = _listItems[buttonNr + _offset];

      if (pItem.HasIcon)
      {
        if (MediaPortal.Util.Utils.FileExistsInCache(pItem.ThumbnailImage))
        {
          pItem.IconImage = pItem.ThumbnailImage;
        }
        // show icon
        GUIImage pImage = pItem.Icon;
        if (null == pImage)
        {
          pImage = new GUIImage(0, 0, 0, 0, _imageWidth, _imageHeight, pItem.IconImage, 0x0)
                     {
                       ParentControl = this,
                       KeepAspectRatio = _keepAspectRatio
                     };
          pImage.AllocResources();
          pItem.Icon = pImage;
        }
        if (pImage.TextureHeight == 0 && pImage.TextureWidth == 0)
        {
          pImage.SafeDispose();

          pImage = new GUIImage(0, 0, 0, 0, _imageWidth, _imageHeight, pItem.IconImage, 0x0)
                     {
                       ParentControl = this,
                       KeepAspectRatio = _keepAspectRatio
                     };
          pImage.AllocResources();
          pItem.Icon = pImage;

          //pImage.AllocResources();
        }
        pImage.KeepAspectRatio = _keepAspectRatio;
        pImage.Width = _imageWidth;
        pImage.Height = _imageHeight;
        pImage.SetPosition(x, y);
        if (gotFocus || !Focus)
        {
          pImage.ColourDiffuse = 0xffffffff;
        }
        else
        {
          pImage.ColourDiffuse = Color.FromArgb(_unfocusedAlpha, Color.White).ToArgb();
        }
        if (!pItem.Selected && !gotFocus && _unfocusedAlphaApplyToAll)
        {
          pImage.ColourDiffuse = Color.FromArgb(_unfocusedAlpha, Color.White).ToArgb();
        }
        pImage.DimColor = DimColor;
        pImage.Render(timePassed);
      }
    }

    protected virtual void RenderPinIcon(float timePassed, int buttonNr, int x, int y, bool gotFocus)
    {
      GUIListItem pItem = _listItems[buttonNr + _offset];
      if (pItem.HasPinIcon)
      {
        GUIImage pinImage = pItem.PinIcon;
        if (null == pinImage)
        {
          //pinImage = new GUIImage(0, 0, 0, 0, 0, 0, pItem.PinImage, 0x0);
          pinImage = new GUIImage(0, 0, 0, 0, _widthPinIcon, _heightPinIcon, pItem.PinImage, 0x0)
                       {
                         ParentControl = this,
                         KeepAspectRatio = _keepAspectRatio
                       };
          pinImage.AllocResources();
          pItem.PinIcon = pinImage;
        }
        pinImage.KeepAspectRatio = _keepAspectRatio;
        pinImage.Width = PinIconWidth;
        pinImage.Height = PinIconHeight;


        if (PinIconOffsetY < 0 || PinIconOffsetX < 0)
        {
          pinImage.SetPosition(x + (_width) - (pinImage.TextureWidth + pinImage.TextureWidth / 2),
                               y + (_height / 2) - (pinImage.TextureHeight / 2));
        }
        else
        {
          pinImage.SetPosition(x + PinIconOffsetX, y + PinIconOffsetY);
        }

        if (gotFocus || !Focus)
        {
          pinImage.ColourDiffuse = 0xffffffff;
        }
        else
        {
          pinImage.ColourDiffuse = Color.FromArgb(_unfocusedAlpha, Color.White).ToArgb();
        }

        if (!pItem.Selected && !gotFocus && _unfocusedAlphaApplyToAll)
        {
          pinImage.ColourDiffuse = Color.FromArgb(_unfocusedAlpha, Color.White).ToArgb();
        }
        pinImage.DimColor = DimColor;
        pinImage.Render(timePassed);
      }
    }

    /// <summary>
    /// Draws the front of a single item of the cover flow.
    /// </summary>
    /// <param name="timePassed"></param>
    /// <param name="index">The index of the card in the entire set.</param>
    /// <param name="shouldFocus">True if the card should be in focus.</param>
    private void RenderCardFront(float timePassed, int index, bool shouldFocus)
    {
      GUIListItem pItem = _listItems[index];
      GUIImage pCard = null;
      bool itemFocused = (shouldFocus == true);
      uint currentTime = (uint)System.Windows.Media.Animation.AnimationTimer.TickCount;

      if (pItem.HasThumbnail)
      {
        pCard = pItem.Thumbnail;
        if (null == pCard && !IsAnimating)
        {
          pCard = new GUIImage(0, 0,
                               0, 0,
                               _cardWidth, _cardHeight,
                               pItem.ThumbnailImage, 0x0);

          pCard.ParentControl = null; // We want to be able to treat each card as a control.
          pCard.KeepAspectRatio = _keepAspectRatio;
          pCard.ZoomFromTop = !pItem.IsFolder && _zoom;
          pCard.ImageAlignment = _imageAlignment;
          pCard.ImageVAlignment = _imageVAlignment;
          pCard.FlipY = _flipY;
          pCard.DiffuseFileName = _diffuseFilename;
          pCard.MaskFileName = _maskFilename;
          pCard.DimColor = DimColor;
          pCard.AllocResources();

          pItem.Thumbnail = pCard;
        }

        if (null != pCard)
        {
          if (pCard.TextureHeight == 0 && pCard.TextureWidth == 0)
          {
            pCard.SafeDispose();
            pCard.AllocResources();
          }

          if (itemFocused)
          {
            pCard.ColourDiffuse = 0xffffffff;
            pCard.Focus = true;
          }
          else
          {
            pCard.ColourDiffuse = Color.FromArgb(_unfocusedAlpha, Color.White).ToArgb();
            pCard.Focus = false;
          }

          // Ensure our card is setup as we expect because other views (filmstrip) may have changed these values.
          pCard.KeepAspectRatio = _keepAspectRatio;
          pCard.ZoomFromTop = !pItem.IsFolder && _zoom;
          pCard.ImageAlignment = _imageAlignment;
          pCard.ImageVAlignment = _imageVAlignment;
          pCard.FlipY = _flipY;
          pCard.DiffuseFileName = _diffuseFilename;
          pCard.MaskFileName = _maskFilename;
          pCard.DimColor = DimColor;
          pCard.Width = _cardWidth;
          pCard.Height = _cardHeight;

          pCard.UpdateVisibility();
          pCard.Render(timePassed);
        }
      }
      else if (pItem.HasIconBig)
      {
        pCard = pItem.IconBig;
        if (null == pCard && !IsAnimating)
        {
          pCard = new GUIImage(0, 0,
                               0, 0,
                               _cardWidth, _cardHeight,
                               pItem.IconImageBig, 0x0);

          pCard.ParentControl = null; // We want to be able to treat each card as a control.
          pCard.KeepAspectRatio = _keepAspectRatio;
          pCard.ZoomFromTop = !pItem.IsFolder && _zoom;
          pCard.ImageAlignment = _imageAlignment;
          pCard.ImageVAlignment = _imageVAlignment;
          pCard.FlipY = _flipY;
          pCard.DiffuseFileName = _diffuseFilename;
          pCard.MaskFileName = _maskFilename;
          pCard.DimColor = DimColor;
          pCard.AllocResources();

          pItem.IconBig = pCard;
        }
        if (null != pCard)
        {
          if (itemFocused)
          {
            pCard.ColourDiffuse = 0xffffffff;
//.........这里部分代码省略.........

    public override void AllocResources()
    {
      _fontNamedKey = GUIFontManager.GetFont(_namedKeyFont);
      _fontCharKey = GUIFontManager.GetFont(_charKeyFont);
      _fontSearchText = GUIFontManager.GetFont(_inputTextFont);

      labelBox = new GUIImage(GetID, 1, 0, 0, 10, 10, _labelBoxTexture, 1);
      labelBox.AllocResources();

      label = new GUILabelControl(GetID);
      label.FontName = _labelFont;
      label.SetShadow(_labelShadowAngle, _labelShadowDistance, _labelShadowColor);
      label.AllocResources();

      inputTextBox = new GUIImage(GetID, 1, 0, 0, 10, 10, _inputTextBoxTexture, 1);
      inputTextBox.AllocResources();

      inputText = new GUILabelControl(GetID);
      inputText.FontName = _inputTextFont;
      inputText.SetShadow(_inputTextShadowAngle, _inputTextShadowDistance, _inputTextShadowColor);
      inputText.AllocResources();

      inputTextCaret = new GUILabelControl(GetID);
      inputTextCaret.FontName = _inputTextFont;
      inputTextCaret.SetShadow(_inputTextShadowAngle, _inputTextShadowDistance, _inputTextShadowColor);
      inputTextCaret.AllocResources();

      base.AllocResources();
      _isAllocated = true;
    }

    protected void RenderGenreKey()
    {
      GUIImage imgGenreColor = (GUIImage)GetControl((int)Controls.GENRE_COLOR_KEY_PAIR);
      GUIFadeLabel labelGenreName = (GUIFadeLabel)GetControl((int)Controls.GENRE_COLOR_KEY_PAIR + 1);

      MpGenre genreObj = _mpGenres.Find(x => x.Enabled == true);

      // Do not render the key if the template controls are not present or there are no enabled mp genres.
      if (imgGenreColor == null || labelGenreName == null || genreObj == null)
      {
        return;
      }

      // Display the genre key.
      var genreKeys = _genreColorsOnLater.Keys.ToList();
      genreKeys.Sort();
      int xpos, i = 0;
      int xoffset = 0;
      foreach (var genreName in genreKeys)
	    {
        // If the genre is not enabled then skip it.  This can occur if the user desires to have less than the maximum number of MP genres available.
        genreObj = ((List<MpGenre>)_mpGenres).Find(x => x.Name.Equals(genreName));
        if (!genreObj.Enabled)
        {
          continue;
        }

        xpos = imgGenreColor.XPosition + xoffset;

        GUIImage img = GetControl((int)Controls.GENRE_COLOR_KEY_PAIR + (2 * i)) as GUIImage;
        if (img == null)
        {
          img = new GUIImage(GetID, (int)Controls.GENRE_COLOR_KEY_PAIR + (2 * i), xpos, imgGenreColor.YPosition, imgGenreColor.Width,
                             imgGenreColor.Height, imgGenreColor.FileName, 0x0);
          img.AllocResources();
          GUIControl cntl = (GUIControl)img;
          Add(ref cntl);
        }
        img.IsVisible = true;
        img.ColourDiffuse = _genreColorsOnLater[genreName];
        img.OverlayFileName = imgGenreColor.OverlayFileName;
        img.SetPosition(xpos, imgGenreColor.YPosition);
        img.DoUpdate();

        GUIFadeLabel label = GetControl(((int)Controls.GENRE_COLOR_KEY_PAIR + 1) + (2 * i)) as GUIFadeLabel;
        if (label == null)
        {
          label = new GUIFadeLabel(GetID, ((int)Controls.GENRE_COLOR_KEY_PAIR + 1) + (2 * i), 0, 0, labelGenreName.Width,
                                   labelGenreName.Height, labelGenreName.FontName,
                                   labelGenreName.TextColor, labelGenreName.TextAlignment, labelGenreName.TextVAlignment,
                                   labelGenreName.ShadowAngle, labelGenreName.ShadowDistance, labelGenreName.ShadowColor,
                                   string.Empty);

          label.AllocResources();
          GUIControl cntl = (GUIControl)label;
          this.Add(ref cntl);
        }
        label.Label = genreName;
        label.SetPosition(xpos + imgGenreColor.Width + 10, labelGenreName.YPosition);
        label.ScrollStartDelay = labelGenreName.ScrollStartDelay;
        label.IsVisible = true;

        // Compute position of the next key.
        int w = label.Width;
        if (label.TextWidth < label.Width)
        {
          w = label.TextWidth;
        }

        xoffset += (int)(imgGenreColor.Width * 2.3 + w);
        i++;
      }
    }

    public override void AllocResources()
    {
      base.AllocResources();

      m_imgFocus = new GUIImage(GetID, GetID * 10, _positionX, _positionY, this.Width, this.Height,
                                "icon_empty_focus.png",
                                0xFFFFFFFF);
      m_imgFocus.AllocResources();
      m_imgNoFocus = new GUIImage(GetID, GetID * 100, _positionX, _positionY, this.Width, this.Height,
                                  "icon_empty_nofocus.png", 0xFFFFFFFF);
      m_imgNoFocus.AllocResources();
      for (int i = 0; i < 9; i++)
      {
        m_imgOverlay[i] = new GUIImage(GetID, GetID * 1000 + i, _positionX, _positionY, this.Width, this.Height,
                                       string.Format("icon_numberplace_overlay_{0}.png", i + 1), 0xFFFFFFFF);
        m_imgOverlay[i].AllocResources();
      }

      m_label = new GUILabelControl(GetID, GetID * 1000, _positionX, _positionY, this.Width, this.Height, this.FontName,
                                    string.Empty, 0xFFFFFFFF, Alignment.ALIGN_CENTER, VAlignment.ALIGN_MIDDLE, false,
                                    _shadowAngle, _shadowDistance, _shadowColor);
      _colorOverlay = new GUIImage(GetID, GetID * 10, _positionX, _positionY, this.Width, this.Height,
                                   "icon_numberplace_colouroverlay.png", 0xFFFFFFFF);
      _colorOverlay.AllocResources();
    }

    protected void RenderGenreKey()
    {
      GUIImage imgGenreColor = (GUIImage)GetControl((int)Controls.GENRE_COLOR_KEY_PAIR);
      GUIFadeLabel labelGenreName = (GUIFadeLabel)GetControl((int)Controls.GENRE_COLOR_KEY_PAIR + 1);

      // Do not render the key if not required or the template controls are not present or are specified as not visible.
      if (imgGenreColor == null || labelGenreName == null || !imgGenreColor.Visible)
      {
        return;
      }

      int xpos, i = 0;
      int xoffset = 0;

      var genreKeys = _genreColorsOnLater.Keys.ToList();
      genreKeys.Sort();

      // Loop through genre names.
      foreach (var genreName in genreKeys)
	    {
        xpos = imgGenreColor.XPosition + xoffset;

        GUIImage img = GetControl((int)Controls.GENRE_COLOR_KEY_PAIR + (2 * i)) as GUIImage;
        if (img == null)
        {
          img = new GUIImage(GetID, (int)Controls.GENRE_COLOR_KEY_PAIR + (2 * i), xpos, imgGenreColor.YPosition, imgGenreColor.Width,
                             imgGenreColor.Height, imgGenreColor.FileName, 0x0);
          img.AllocResources();
          GUIControl cntl = (GUIControl)img;
          Add(ref cntl);
        }
        img.IsVisible = true;
        img.ColourDiffuse = _genreColorsOnLater[genreName];
        img.OverlayFileName = imgGenreColor.OverlayFileName;
        img.SetPosition(xpos, imgGenreColor.YPosition);
        img.DoUpdate();

        GUIFadeLabel label = GetControl(((int)Controls.GENRE_COLOR_KEY_PAIR + 1) + (2 * i)) as GUIFadeLabel;
        if (label == null)
        {
          label = new GUIFadeLabel(GetID, ((int)Controls.GENRE_COLOR_KEY_PAIR + 1) + (2 * i), 0, 0, labelGenreName.Width,
                                   labelGenreName.Height, labelGenreName.FontName,
                                   labelGenreName.TextColor, labelGenreName.TextAlignment, labelGenreName.TextVAlignment,
                                   labelGenreName.ShadowAngle, labelGenreName.ShadowDistance, labelGenreName.ShadowColor,
                                   string.Empty);

          label.AllocResources();
          GUIControl cntl = (GUIControl)label;
          this.Add(ref cntl);
        }
        label.Label = genreName;
        label.SetPosition(xpos + imgGenreColor.Width + 10, labelGenreName.YPosition);
        label.ScrollStartDelay = labelGenreName.ScrollStartDelay;
        label.IsVisible = true;

        // Compute position of the next key.
        int w = label.Width;
        if (label.TextWidth < label.Width)
        {
          w = label.TextWidth;
        }

        xoffset += (int)(imgGenreColor.Width * 2.3 + w);
        i++;
      }
    }