/// <summary>
/// 重绘文字层
/// </summary>
/// <param name="id">文字层id</param>
/// <param name="descriptor">文字层描述子</param>
/// <param name="forceReload">是否强制重新载入背景图资源文件</param>
private void ReDrawMessageLayer(int id, MessageLayerDescriptor descriptor, bool forceReload)
{
// 不需要重绘的情况
if (descriptor == null) { return; }
MessageLayer msglay = this.messageLayerVec[id];
if (msglay == null ||
msglay.BackgroundSprite.ResourceName != descriptor.BackgroundResourceName ||
forceReload)
{
YuriSprite bgSprite = ResourceManager.GetInstance().GetPicture(descriptor.BackgroundResourceName, new Int32Rect(-1, 0, 0, 0));
MessageLayer newLayer = new MessageLayer();
newLayer.BackgroundSprite = bgSprite;
newLayer.Id = id;
this.messageLayerVec[id] = msglay = newLayer;
}
// 重绘文本层
this.RemoveMessageLayer(msglay);
this.DrawMessageLayer(msglay, descriptor);
}
/// <summary>
/// 将文字层从画面移除
/// </summary>
/// <param name="msglay">文字层实例</param>
private void RemoveMessageLayer(MessageLayer msglay)
{
if (msglay != null)
{
TextBlock msglayView = msglay.DisplayBinding;
if (msglayView != null && this.view.BO_MainGrid.Children.Contains(msglayView))
{
this.view.BO_MainGrid.Children.Remove(msglayView);
}
msglay.DisplayBinding = null;
}
}
/// <summary>
/// 为主窗体描绘一个文字层
/// </summary>
/// <param name="msglay">文字层</param>
/// <param name="descriptor">文字层描述子</param>
private void DrawMessageLayer(MessageLayer msglay, MessageLayerDescriptor descriptor)
{
TextBlock msgBlock = new TextBlock();
msglay.DisplayBinding = msgBlock;
if (msglay.BackgroundSprite != null && msglay.BackgroundSprite.SpriteBitmapImage != null)
{
ImageBrush ib = new ImageBrush(msglay.BackgroundSprite.SpriteBitmapImage);
ib.Stretch = Stretch.None;
ib.AlignmentX = AlignmentX.Left;
ib.AlignmentY = AlignmentY.Top;
msgBlock.Background = ib;
}
msglay.Width = descriptor.Width;
msglay.Height = descriptor.Height;
msglay.Opacity = descriptor.Opacity;
msglay.Padding = (Thickness)descriptor.Padding;
msglay.LineHeight = descriptor.LineHeight;
msglay.HorizontalAlignment = descriptor.HorizonAlign;
msglay.VerticalAlignment = descriptor.VertiAlign;
msglay.FontColor = Color.FromRgb(descriptor.FontColorR, descriptor.FontColorG, descriptor.FontColorB);
msglay.FontSize = descriptor.FontSize;
msglay.FontName = descriptor.FontName;
msglay.FontShadow = descriptor.FontShadow;
msglay.DisplayBinding.TextWrapping = TextWrapping.Wrap;
msglay.DisplayBinding.TextAlignment = TextAlignment.Left;
Canvas.SetLeft(msgBlock, descriptor.X);
Canvas.SetTop(msgBlock, descriptor.Y);
Canvas.SetZIndex(msgBlock, descriptor.Z);
msglay.Visibility = descriptor.Visible ? Visibility.Visible : Visibility.Hidden;
this.view.BO_MainGrid.Children.Add(msgBlock);
}