private static void AddCachedImage(Canvas target, string imageId, IEnumerable <string> imageBoxOverrides = null)
{
if (TryGetCachedImage(imageId, out CachedImage cachedImage))
{
ImageBoxDescriptor imageBoxDescriptor = null;
if (null == imageBoxOverrides)
{
var defaultOverrides = new List <string>();
string[] split = imageId.Split('.', StringSplitOptions.RemoveEmptyEntries);
for (int i = 0; i < split.Length; i++)
{
defaultOverrides.Add(string.Join('.', split.Skip(i).ToArray()));
}
imageBoxOverrides = defaultOverrides;
}
foreach (var imageBoxId in imageBoxOverrides)
{
if (CurrentConfig.ImageBoxDescriptors.TryGetValue(imageBoxId, out imageBoxDescriptor))
{
break;
}
}
target.Children.Add(cachedImage.ToControl(imageBoxDescriptor));
}
}
public IControl ToControl(ImageBoxDescriptor imageBoxDescriptor = null)
{
var control = new Image()
{
Source = Bitmap
};
if (null == imageBoxDescriptor)
{
control.SetValue(Canvas.LeftProperty, X);
control.SetValue(Canvas.TopProperty, Y);
}
if (null != imageBoxDescriptor)
{
control.Width = imageBoxDescriptor.Width;
control.Height = imageBoxDescriptor.Height;
control.Stretch = Stretch.Uniform;
control.SetValue(Canvas.LeftProperty, imageBoxDescriptor.X);
control.SetValue(Canvas.TopProperty, imageBoxDescriptor.Y);
}
return(control);
}
private static bool TryCreateImage(string base64, IEnumerable <string> imageBoxOverrides, out IControl result)
{
ImageBoxDescriptor imageBoxDescriptor = null;
if (null != imageBoxOverrides)
{
foreach (var imageBoxId in imageBoxOverrides)
{
if (CurrentConfig.ImageBoxDescriptors.TryGetValue(imageBoxId, out imageBoxDescriptor))
{
break;
}
}
}
if (null == imageBoxDescriptor)
{
result = null;
return(false);
}
var border = new Border()
{
Width = imageBoxDescriptor.Width,
Height = imageBoxDescriptor.Height,
};
if (AppVM.DebugMode)
{
border.Background = Brushes.Magenta;
}
Canvas.SetLeft(border, imageBoxDescriptor.X);
Canvas.SetTop(border, imageBoxDescriptor.Y);
try
{
var stream = Base64Utils.CreateStreamFromBase64(base64);
Image image = new Image()
{
Source = new Bitmap(stream),
Width = imageBoxDescriptor.Width,
Height = imageBoxDescriptor.Height,
Stretch = Stretch.UniformToFill,
};
border.Child = image;
}
catch (Exception) { }
result = border;
return(true);
}
