private Path CreatePolyline(IEnumerable <Point> points)
{
var geometry = new StreamGeometry();
if (points != null && points.Any())
{
var ctx = geometry.Open();
ctx.BeginFigure(points.First(), false, false);
ctx.PolyLineTo(points.Skip(1).ToList(), true, true);
ctx.Close();
}
var scaleTransform = new ScaleTransform();
scaleTransform.Bind(ScaleTransform.ScaleXProperty, () => this.ActualWidth, width => width / 2);
scaleTransform.Bind(ScaleTransform.ScaleYProperty, () => this.ActualHeight, height => height / 2);
var translateTransform = new TranslateTransform();
translateTransform.Bind(TranslateTransform.XProperty, () => this.ActualWidth, width => width / 2);
translateTransform.Bind(TranslateTransform.YProperty, () => this.ActualHeight, height => height / 2);
var transformGroup = new TransformGroup {
Children = { scaleTransform, translateTransform }
};
geometry.Transform = transformGroup;
var path = new Path {
Data = geometry
};
return(path);
}
/// <summary>
/// gets some controls from the style
/// </summary>
/// <param name="e"></param>
protected override void OnTemplateApplied(TemplateAppliedEventArgs e)
{
base.OnTemplateApplied(e);
Rectangle rectangle = e.NameScope.Find <Rectangle>(PART_OffSwitch);
_BackgroundTranslate = rectangle.RenderTransform as TranslateTransform; //e.NameScope.Find<TranslateTransform>(PART_BackgroundTranslate);
_DraggingThumb = e.NameScope.Find <Thumb>(PART_DraggingThumb);
_SwitchTrack = e.NameScope.Find <Grid>(PART_SwitchTrack);
_ThumbIndicator = e.NameScope.Find <IControl>(PART_ThumbIndicator);
_ThumbTranslate = _ThumbIndicator.RenderTransform as TranslateTransform; //e.NameScope.Find<TranslateTransformExt>(PART_ThumbTranslate);
if (_ThumbIndicator != null && _ThumbTranslate != null && _BackgroundTranslate != null)
{
Binding translationBinding;
translationBinding = new Binding("X");
translationBinding.Source = _ThumbTranslate;
_BackgroundTranslate.Bind(TranslateTransform.XProperty, translationBinding);
}
if (_DraggingThumb != null && _ThumbIndicator != null && _ThumbTranslate != null)
{
_DraggingThumb.DragStarted -= _DraggingThumb_DragStarted;
_DraggingThumb.DragDelta -= _DraggingThumb_DragDelta;
_DraggingThumb.DragCompleted -= _DraggingThumb_DragCompleted;
_DraggingThumb.DragStarted += _DraggingThumb_DragStarted;
_DraggingThumb.DragDelta += _DraggingThumb_DragDelta;
_DraggingThumb.DragCompleted += _DraggingThumb_DragCompleted;
if (_SwitchTrack != null)
{
_SwitchTrack.PropertyChanged += SwitchTrack_PropertyChanged;
}
}
UpdateThumb();
}
private Path CreatePath(Infrastructure.Data.PointsSequence polylineData, bool isClosed, VGKind vgKind)
{
var points = (from pnt in polylineData.Points
select new Point {
X = pnt.X, Y = pnt.Y
}).ToArray();
var geometry = new StreamGeometry();
using (var context = geometry.Open())
{
context.BeginFigure(points[0], false, isClosed);
context.PolyLineTo(points.Skip(1).ToList(), true, false);
}
var scaleTransform = new ScaleTransform();
scaleTransform.Bind(ScaleTransform.ScaleXProperty, () => polyRoot.ActualWidth, width => width / 2);
scaleTransform.Bind(ScaleTransform.ScaleYProperty, () => polyRoot.ActualHeight, height => height / 2);
var translateTransform = new TranslateTransform();
translateTransform.Bind(TranslateTransform.XProperty, () => polyRoot.ActualWidth, width => width / 2);
translateTransform.Bind(TranslateTransform.YProperty, () => polyRoot.ActualHeight, height => height / 2);
var transformGroup = new TransformGroup {
Children = { scaleTransform, translateTransform }
};
geometry.Transform = transformGroup;
var path = new Path();
path.Data = geometry;
path.DataContext = polylineData;
path.Bind(Path.StrokeProperty,
() => polylineData.CurveCategory,
() => polylineData.ColorCodingIndex,
(curveCategory, colorCodingIndex) =>
{
if (colorCodingIndex != PointsSequence.INVALID_COLOR_CODING)
{
return(Constants.PRIMITIVE_CURVES_COLOR_CODING[colorCodingIndex]);
}
else
{
switch (curveCategory)
{
case CurveCategories.None:
return(SKETCH_STROKE_UNCATEGORIZED);
case CurveCategories.Feature:
return(SKETCH_STROKE_FEATURE);
case CurveCategories.Silhouette:
return(SKETCH_STROKE_SILHOUETTE);
default:
return(Binding.DoNothing);
}
}
});
path.Bind(Path.StrokeThicknessProperty,
() => polylineData.IsSelected,
() => polylineData.IsEmphasized,
() => polylineData.CurveCategory,
(isSelected, isEmphasized, curveCategory) =>
{
if (isSelected || isEmphasized)
{
return(4.0);
}
if (curveCategory == CurveCategories.Feature)
{
return(2.0);
}
return(1.0);
});
SetVGKind(path, vgKind);
return(path);
}
