protected override void ContextNodeCreated(object sender, ContextNodeCreatedEventArgs e)
{
Debug.WriteLine("Holy molly! {0}", e.NodeCreated);
InkDrawingNode n = e.NodeCreated as InkDrawingNode;
if (n != null)
{
Debug.WriteLine("Yeah!");
foreach (Stroke x in n.Strokes)
{
Debug.WriteLine("Uhhhhh {0}", x);
analyzer.RemoveStroke(x);
x.StylusPoints = InkUtils.xkcd(x.StylusPoints);
}
}
}
private static bool strokeIsHorizontalLine(Stroke stroke)
{
InkAnalyzer temp = new InkAnalyzer();
temp.AddStroke(stroke);
temp.Analyze();
ContextNode node = temp.RootNode.SubNodes[0];
if (node is InkDrawingNode)
{
InkDrawingNode drawing = node as InkDrawingNode;
PointCollection boundingBox = drawing.GetRotatedBoundingBox();
double d1 = distSquared(boundingBox[0], boundingBox[1]);
double d2 = distSquared(boundingBox[1], boundingBox[2]);
return((d2 > 0 && d1 / d2 > 10 * 10 && d1 > 100 && Math.Abs(slope(boundingBox[0], boundingBox[1])) < 0.5) ||
(d1 > 0 && d2 / d1 > 10 * 10 && d2 > 100 && Math.Abs(slope(boundingBox[1], boundingBox[2])) < 0.5));
}
return(false);
}
/// <summary>
/// InkAnalysis results form a tree, this method is called recursively
/// to render each node in the tree.
/// </summary>
private void DrawFeedback(DrawingContext drawingContext, ContextNode contextNode)
{
//see what type of ContextNode this is by casting it
Rect nodeBounds = contextNode.Strokes.GetBounds();
InkWordNode inkWordNode = contextNode as InkWordNode;
if (inkWordNode != null)
{
drawingContext.DrawRoundedRectangle(null, new Pen(Brushes.Blue, 1.0d), nodeBounds, 1d, 1d);
drawingContext.DrawText(new FormattedText(inkWordNode.GetRecognizedString(),
CultureInfo.CurrentCulture,
FlowDirection.LeftToRight,
new Typeface("Verdana"),
9.0d,
Brushes.Black),
nodeBounds.BottomLeft);
goto recurse;
}
InkDrawingNode inkDrawingNode = contextNode as InkDrawingNode;
if (inkDrawingNode != null)
{
drawingContext.DrawRoundedRectangle(null, new Pen(Brushes.Purple, 1.0d), nodeBounds, 1d, 1d);
drawingContext.DrawText(new FormattedText("Drawing: " + inkDrawingNode.GetShapeName(),
CultureInfo.CurrentCulture,
FlowDirection.LeftToRight,
new Typeface("Verdana"),
9.0d,
Brushes.Black),
nodeBounds.BottomLeft);
goto recurse;
}
InkBulletNode inkBulletNode = contextNode as InkBulletNode;
if (inkBulletNode != null)
{
drawingContext.DrawRoundedRectangle(null, new Pen(Brushes.Green, 1.0d), nodeBounds, 1d, 1d);
drawingContext.DrawText(new FormattedText(inkBulletNode.GetRecognizedString(),
CultureInfo.CurrentCulture,
FlowDirection.LeftToRight,
new Typeface("Verdana"),
9.0d,
Brushes.Black),
nodeBounds.BottomLeft);
goto recurse;
}
WritingRegionNode writingRegionNode = contextNode as WritingRegionNode;
if (writingRegionNode != null)
{
nodeBounds.Inflate(3d, 3d);
drawingContext.DrawRoundedRectangle(null, new Pen(Brushes.Black, 1.0d), nodeBounds, 1d, 1d);
drawingContext.DrawText(new FormattedText("Writing Region",
CultureInfo.CurrentCulture,
FlowDirection.LeftToRight,
new Typeface("Verdana"),
9.0d,
Brushes.Black),
nodeBounds.BottomLeft + new Vector(0, 3));
goto recurse;
}
ParagraphNode paragraphNode = contextNode as ParagraphNode;
if (paragraphNode != null)
{
nodeBounds.Inflate(2d, 2d); //inflate so this will be visible outside the line node
drawingContext.DrawRoundedRectangle(null, new Pen(Brushes.Red, 1.0d), nodeBounds, 1d, 1d);
goto recurse;
}
LineNode lineNode = contextNode as LineNode;
if (lineNode != null)
{
nodeBounds.Inflate(1d, 1d); //inflate so this will be visible outside the word node
drawingContext.DrawRoundedRectangle(null, new Pen(Brushes.Orange, 1.0d), nodeBounds, 1d, 1d);
goto recurse;
}
recurse:
foreach (ContextNode subNode in contextNode.SubNodes)
{
DrawFeedback(drawingContext, subNode);
}
}
