public override void Load(IServiceProvider provider)
{
var inputInspector = default(InspectBuilder);
var workflow = (ExpressionBuilderGraph)provider.GetService(typeof(ExpressionBuilderGraph));
var context = (ITypeVisualizerContext)provider.GetService(typeof(ITypeVisualizerContext));
if (workflow != null && context != null)
{
inputInspector = workflow.Where(node => node.Value == context.Source)
.Select(node => workflow.Predecessors(node)
.Select(p => p.Value as InspectBuilder)
.FirstOrDefault())
.FirstOrDefault();
}
if (inputInspector != null && inputInspector.ObservableType == typeof(IplImage))
{
inputHandle = inputInspector.Output.Merge().Subscribe(value => input = (IplImage)value);
base.Load(provider);
}
else
{
textVisualizer = new ObjectTextVisualizer();
textVisualizer.Load(provider);
}
}
public override void Load(IServiceProvider provider)
{
var imageInput = VisualizerHelper.ImageInput(provider);
if (imageInput != null)
{
inputHandle = imageInput.Subscribe(value => input = (IplImage)value);
base.Load(provider);
}
else
{
textVisualizer = new ObjectTextVisualizer();
textVisualizer.Load(provider);
}
}
public override void Unload()
{
if (canvas != null)
{
canvas.Close();
canvas = null;
}
if (inputHandle != null)
{
inputHandle.Dispose();
inputHandle = null;
}
if (textVisualizer != null)
{
textVisualizer.Unload();
textVisualizer = null;
}
else
{
base.Unload();
}
}
