private static void OnSourceChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
AyImage bitmap = (AyImage)d;
BitmapSource oldValue = (BitmapSource)e.OldValue;
BitmapSource newValue = (BitmapSource)e.NewValue;
if (((oldValue != null) && (bitmap._sourceDownloaded != null)) && (!oldValue.IsFrozen && (oldValue is BitmapSource)))
{
((BitmapSource)oldValue).DownloadCompleted -= bitmap._sourceDownloaded;
((BitmapSource)oldValue).DownloadFailed -= bitmap._sourceFailed;
// ((BitmapSource)newValue).DecodeFailed -= bitmap._sourceFailed; // 3.5
}
if (((newValue != null) && (newValue is BitmapSource)) && !newValue.IsFrozen)
{
((BitmapSource)newValue).DownloadCompleted += bitmap._sourceDownloaded;
((BitmapSource)newValue).DownloadFailed += bitmap._sourceFailed;
// ((BitmapSource)newValue).DecodeFailed += bitmap._sourceFailed; // 3.5
}
}
public void LoadIcon()
{
//判断Icon方式
if (!string.IsNullOrEmpty(Icon))
{
string ext = System.IO.Path.GetExtension(Icon);
if (ext == "")
{
//<control:AyStrokeLabel Text="" Style="{StaticResource FontAwesome}" Fill="Yellow" Stroke="Black" StrokeThickness="0.3" FontWeight="Bold" FontSize="50"/>
if (Icon.IndexOf("fa_") == 0 || Icon.IndexOf("fa-") == 0)
{
if (IsFontStrokeLabel)
{
tb = new AyStrokeLabel
{
VerticalAlignment = VerticalAlignment.Center,
Stroke = Stroke,
StrokeThickness = StrokeThickness,
FontWeight = FontWeight,
FontStretch = FontStretch,
FontStyle = FontStyle,
UseLayoutRounding = true
};
Binding bindingFont = new Binding {
Path = new PropertyPath("FontSize"), Source = this, Mode = BindingMode.TwoWay
};
tblock.SetBinding(TextBlock.FontSizeProperty, bindingFont);
//设置绑定
Binding binding = new Binding {
Path = new PropertyPath("Foreground"), Source = this, Mode = BindingMode.TwoWay
};
tb.SetBinding(AyStrokeLabel.FillProperty, binding);
tb.Style = Application.Current.TryFindResource("FontAwesome") as Style;
Icon = Icon.Replace(" ", "").Replace("-", "_");
tb.Text = FontAweSomeHelper.GetUnicode(Icon);
//tb.Text = "";
this.Content = tb;
}
else
{
tblock = new TextBlock
{
VerticalAlignment = VerticalAlignment.Center,
FontWeight = FontWeight,
FontStretch = FontStretch,
FontStyle = FontStyle,
UseLayoutRounding = true
};
Binding bindingFont = new Binding {
Path = new PropertyPath("FontSize"), Source = this, Mode = BindingMode.TwoWay
};
tblock.SetBinding(TextBlock.FontSizeProperty, bindingFont);
//设置绑定
Binding binding = new Binding {
Path = new PropertyPath("Foreground"), Source = this, Mode = BindingMode.TwoWay
};
tblock.SetBinding(TextBlock.ForegroundProperty, binding);
tblock.Style = Application.Current.TryFindResource("FontAwesome") as Style;
Icon = Icon.Replace(" ", "").Replace("-", "_");
tblock.Text = FontAweSomeHelper.GetUnicode(Icon);
this.Content = tblock;
}
IconType = AyIconAllType.Font;
}
else if (Icon.IndexOf("path_") == 0)
{
//2015-5-27 16:57:15 联系qq 875556003 更新,改为性能更好的path
btn1 = new AyPath
{
SnapsToDevicePixels = true,
VerticalAlignment = VerticalAlignment.Stretch,
HorizontalAlignment = HorizontalAlignment.Stretch,
//PathStrokeBrush = Stroke,
//Foreground=Foreground,
//PathStrokeThickness = StrokeThickness,
Stretch = Stretch,
UseLayoutRounding = true
};
PathIcon.SetIcon(btn1, Icon);
//设置绑定
Binding binding = new Binding {
Path = new PropertyPath("Foreground"), Source = this, Mode = BindingMode.TwoWay
};
btn1.SetBinding(AyPath.ForegroundProperty, binding);
Binding binding2 = new Binding {
Path = new PropertyPath("Stroke"), Source = this, Mode = BindingMode.TwoWay
};
btn1.SetBinding(AyPath.PathStrokeBrushProperty, binding2);
Binding binding3 = new Binding {
Path = new PropertyPath("StrokeThickness"), Source = this, Mode = BindingMode.TwoWay
};
btn1.SetBinding(AyPath.PathStrokeThicknessProperty, binding3);
this.Content = btn1;
IconType = AyIconAllType.Path;
}
else if (Icon.IndexOf("more_") == 0)
{
this.Content = GetMoreIcon();
IconType = AyIconAllType.More;
}
}
else if (ext == ".gif")
{
try
{
imageGif = new AyGifControl
{
Width = this.Width,
Height = this.Height,
VerticalAlignment = VerticalAlignment.Stretch,
HorizontalAlignment = HorizontalAlignment.Stretch,
Stretch = ImageStretch
};
imageGif.InitControl(Icon);
imageGif.StartAnimate();
this.Content = imageGif;
IconType = AyIconAllType.Gif;
}
catch
{
//AyMessageBox.ShowError(ex.Message);
}
}
else
{
try
{
if (IsBitmapImage)
{
AyImage image = new AyImage();
this.IsBitmapImage = false;
if (Icon.IndexOf("pack://") == 0)
{
}
image.Source = new BitmapImage(new Uri(Icon, UriKind.RelativeOrAbsolute));
this.Content = image;
}
else
{
Image image = new Image
{
VerticalAlignment = VerticalAlignment.Stretch,
HorizontalAlignment = HorizontalAlignment.Stretch,
Stretch = ImageStretch
};
image.UseLayoutRounding = true;
if (Icon.IndexOf("pack://") == 0)
{
}
image.Source = new BitmapImage(new Uri(Icon, UriKind.RelativeOrAbsolute));
this.Content = image;
}
IconType = AyIconAllType.Image;
}
catch (Exception ex)
{
throw new Exception("文件格式不正确" + ex.Message);
}
}
}
}