void Strokes_StrokesChanged(object sender, StrokeCollectionChangedEventArgs e)
{
foreach (Stroke stroke in e.Added)
{
if (!graphAnalyzer.newStroke(stroke))
{
inkAnalyzer.AddStroke(stroke);
}
AutocorrectHandleAddStroke(stroke);
}
double ymax = InkUtils.StrokeYMax(e.Added);
if (ymax > MainInkCanvas.ActualHeight - 300.0)
{
MainInkCanvas.Height = ymax + 800.0;
}
foreach (Stroke stroke in e.Removed)
{
graphAnalyzer.removeStroke(stroke);
// If we erase a word and try to replace it with autocorrect
// suggestions, there's no good way to define the behavior
// so just hide the suggestions.
suggestionsBox.Visibility = Visibility.Collapsed;
inkAnalyzer.RemoveStroke(stroke);
}
}
public void SetSuggestions(InkWordNode _incorrectWord, List <String> suggestions,
Dictionary <char, StylusToken> fontData)
{
SuggestionsStack.Children.Clear();
incorrectWord = _incorrectWord;
int minX = int.MaxValue;
int maxX = int.MinValue;
int minY = int.MaxValue;
int maxY = int.MinValue;
foreach (Point point in incorrectWord.GetRotatedBoundingBox())
{
minX = Math.Min(minX, (int)point.X);
maxX = Math.Max(maxX, (int)point.X);
minY = Math.Min(minY, (int)point.Y);
maxY = Math.Max(maxY, (int)point.Y);
}
this.Width = 0;
this.Height = 0;
var midline = incorrectWord.GetMidline();
var baseline = incorrectWord.GetBaseline();
// Assume that the midline and baseline are horizontal lines
// i.e. two points, same y coordinate.
double wordSize = baseline[0].Y - midline[0].Y;
// Keep the top 3 suggestions for now.
int displayCount = Math.Min(3, suggestions.Count);
for (int i = 0; i < displayCount; i++)
{
StrokeCollection strokeRepresentation =
GetStrokesForString(suggestions[i], fontData);
// In the font maker, the font size is currently 30.0
InkUtils.Scale(strokeRepresentation, wordSize / 30.0);
InkUtils.MatchThickness(incorrectWord.Strokes, strokeRepresentation);
InkCanvas suggestionCanvas = new InkCanvas();
suggestionCanvas.Strokes.Add(strokeRepresentation);
suggestionCanvas.Height = InkUtils.StrokeYMax(strokeRepresentation) + 10;
suggestionCanvas.Width = InkUtils.StrokeXRange(strokeRepresentation) + 10;
suggestionCanvas.TouchDown += SuggestionCanvas_TouchDown;
suggestionCanvas.StylusDown += SuggestionCanvas_StylusDown;
suggestionCanvas.StylusEnter += SuggestionCanvas_StylusEnter;
suggestionCanvas.StylusLeave += SuggestionCanvas_StylusLeave;
this.Width = Math.Max(this.Width, suggestionCanvas.Width);
this.Height += suggestionCanvas.Height;
// We shouldn't be writing on this canvas, it's only for
// display purposes.
suggestionCanvas.EditingMode = InkCanvasEditingMode.None;
SuggestionsStack.Children.Add(suggestionCanvas);
}
// Positioning.
if (minY < this.Height)
{
// Show suggestions under incorrect word.
Canvas.SetTop(this, maxY);
}
else
{
// Show suggestions above incorrect word.
Canvas.SetTop(this, minY - this.Height);
}
Canvas.SetLeft(this, minX);
}