private void OnAddItem(SliderPoint sliderPoint)
{
sliderPoint.Parent = Canvas;
sliderPoint.SliderShape.Style = SliderStyle;
sliderPoint.PropertyChanged += LevelPoint_PropertyChanged;
sliderPoint.DragCompleted += SliderPoint_DragCompleted;
try
{
Canvas.Children.Add(sliderPoint.SliderShape);
}
catch { }
}
private void OnRemoveItem(SliderPoint sliderPoint)
{
sliderPoint.SliderShape.KeyDown -= GradientPoint_KeyDown;
sliderPoint.PropertyChanged -= GradientPoint_PropertyChanged;
sliderPoint.DragCompleted -= SliderPoint_DragCompleted;
sliderPoint.AltClick -= SliderPoint_AltClick;
try
{
_canvas.Children.Remove(sliderPoint.SliderShape);
}
catch { }
sliderPoint.Dispose();
}
private void OnAddItem(SliderPoint sliderPoint)
{
sliderPoint.Parent = _canvas;
sliderPoint.SliderShape.Style = SliderStyle;
sliderPoint.SliderShape.KeyDown += GradientPoint_KeyDown;;
sliderPoint.PropertyChanged += GradientPoint_PropertyChanged;
sliderPoint.DragCompleted += SliderPoint_DragCompleted;
sliderPoint.AltClick += SliderPoint_AltClick;
try
{
_canvas.Children.Add(sliderPoint.SliderShape);
}
catch { }
}
private SliderPoint AddPoint(double position, bool isSelected = false)
{
//Logging.Debug("Enter Add Point");
var point = new SliderPoint(position, _canvas);
if (point.Center >= 0 && point.Center <= _canvas.Width)
{
_points.Add(point);
_points.Sort(new SliderPointPositionComparer());
OnAddItem(point);
if (isSelected)
{
point.SliderShape.Focus();
}
}
//Logging.Debug("Exit Add Point");
return(point);
}
private void AddLevelSlider()
{
var points = GetCurveValue().Points;
if (points.Count == 2 && points[0].Y == points[1].Y)
{
_levelPoint = new SliderPoint(GetCurveValue().Points[0].Y / 100.0, Canvas, true);
}
else
{
_levelPoint = new SliderPoint(0.0, Canvas, true);
}
if (_levelPoint.Center >= 0 && _levelPoint.Center <= Canvas.Width)
{
OnAddItem(_levelPoint);
}
}
private void LevelPoint_PropertyChanged(object sender, PropertyChangedEventArgs e)
{
if (e.PropertyName.Equals("center", StringComparison.OrdinalIgnoreCase))
{
if (_holdValue == null)
{
_holdValue = new Curve(GetCurveValue());
}
SliderPoint point = sender as SliderPoint;
if (point != null)
{
if (point.IsDragging)
{
var level = Math.Round(point.NormalizedPosition * 100, MidpointRounding.AwayFromZero);
_holdValue = new Curve(new PointPairList(new[] { 0.0, 100.0 }, new[] { level, level }));
UpdateImage(_holdValue);
}
}
}
}
private void GradientPoint_PropertyChanged(object sender, PropertyChangedEventArgs e)
{
if (e.PropertyName.Equals("center", StringComparison.OrdinalIgnoreCase))
{
if (_holdValue == null)
{
_holdValue = new ColorGradient(GetColorGradientValue());
//Logging.Debug("Position changed, initialized holdvalue");
}
SliderPoint point = sender as SliderPoint;
if (point != null)
{
if (point.IsDragging)
{
var pointIndexes = point.Tag as List <int>;
var colorPoints = _holdValue.Colors;
if (pointIndexes != null)
{
foreach (var index in pointIndexes)
{
if (index < colorPoints.Count)
{
colorPoints[index].Position = point.NormalizedPosition;
}
else
{
Logging.Error("Index out of bounds for colorpoint. Index:{0}, colorpoint size:{1}, position:{3}", index,
colorPoints.Count, point.NormalizedPosition);
}
}
}
UpdateImage(_holdValue);
}
}
}
}
