static MySimpleNodeStyle()
{
// initialize fill colors
color = Color.FromArgb(200, 0, 130, 180);
gradientStop1 = new GradientStop
{
Color =
Color.FromArgb((byte)Math.Max(0, color.A - 50),
(byte)Math.Min(255, color.R * 1.7),
(byte)Math.Min(255, color.G * 1.7),
(byte)Math.Min(255, color.B * 1.7)),
Offset = 1
};
gradientStop1.Freeze();
gradientStop2 = new GradientStop(color, 0.5);
gradientStop2.Freeze();
gradientStop3 = new GradientStop
{
Color =
Color.FromArgb((byte)Math.Max(0, color.A - 50),
(byte)Math.Min(255, color.R * 1.4),
(byte)Math.Min(255, color.G * 1.4),
(byte)Math.Min(255, color.B * 1.4)),
Offset = 0
};
gradientStop3.Freeze();
}
public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
LinearGradientBrush linearGradientBrush = (LinearGradientBrush)null;
ColorModel source = value as ColorModel;
if (source != null)
{
ColorModel colorModel = new ColorModel(source);
colorModel.ScA = 1f;
colorModel.HlsS = 1f;
colorModel.HlsL = 0.5f;
GradientStop gradientStop1 = new GradientStop(Colors.Black, 0.0);
gradientStop1.Freeze();
GradientStop gradientStop2 = new GradientStop(colorModel.Color, 0.5);
gradientStop2.Freeze();
GradientStop gradientStop3 = new GradientStop(Colors.White, 1.0);
gradientStop3.Freeze();
GradientStopCollection gradientStopCollection = new GradientStopCollection(3);
gradientStopCollection.Add(gradientStop1);
gradientStopCollection.Add(gradientStop2);
gradientStopCollection.Add(gradientStop3);
gradientStopCollection.Freeze();
linearGradientBrush = new LinearGradientBrush();
linearGradientBrush.StartPoint = new Point(0.0, 0.0);
linearGradientBrush.EndPoint = new Point(1.0, 0.0);
linearGradientBrush.GradientStops = gradientStopCollection;
linearGradientBrush.Freeze();
}
return((object)linearGradientBrush);
}
private static GradientStop CreateFrozenGradient(Color color, double offset)
{
var grad = new GradientStop(color, offset);
grad.Freeze();
return(grad);
}
public override IEnumerable <Tuple <object, object> > GetResourceKeyValues(ThemeColor hlColor)
{
var br = new LinearGradientBrush()
{
StartPoint = StartPoint,
EndPoint = EndPoint,
};
for (int i = 0; i < GradientOffsets.Length; i++)
{
var gs = new GradientStop(((SolidColorBrush)hlColor.GetBrushByIndex(i)).Color, GradientOffsets[i]);
gs.Freeze();
br.GradientStops.Add(gs);
}
br.Freeze();
yield return(new Tuple <object, object>(ResourceKey, br));
}
public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
Brush brush1 = (Brush)null;
ColorModel source = value as ColorModel;
if (source != null)
{
ColorModel model = new ColorModel(source);
model.ScA = 1f;
this.UpdateModelForGradientMin(model);
GradientStop gradientStop1 = new GradientStop(model.Color, 0.0);
gradientStop1.Freeze();
this.UpdateModelForGradientMax(model);
GradientStop gradientStop2 = new GradientStop(model.Color, 1.0);
gradientStop2.Freeze();
GradientStopCollection gradientStopCollection = new GradientStopCollection(2);
gradientStopCollection.Add(gradientStop1);
gradientStopCollection.Add(gradientStop2);
gradientStopCollection.Freeze();
LinearGradientBrush linearGradientBrush = new LinearGradientBrush();
linearGradientBrush.StartPoint = new Point(0.0, 0.0);
linearGradientBrush.EndPoint = new Point(1.0, 0.0);
linearGradientBrush.GradientStops = gradientStopCollection;
linearGradientBrush.Freeze();
brush1 = (Brush)linearGradientBrush;
Brush brush2 = parameter as Brush;
if (brush2 != null)
{
brush2.Freeze();
RectangleGeometry rectangleGeometry = new RectangleGeometry(new Rect(0.0, 0.0, 100.0, 10.0));
rectangleGeometry.Freeze();
GeometryDrawing geometryDrawing1 = new GeometryDrawing(brush2, (Pen)null, (Geometry)rectangleGeometry);
brush2.Freeze();
GeometryDrawing geometryDrawing2 = new GeometryDrawing(brush1, (Pen)null, (Geometry)rectangleGeometry);
geometryDrawing2.Freeze();
DrawingGroup drawingGroup = new DrawingGroup();
drawingGroup.Children.Add((Drawing)geometryDrawing1);
drawingGroup.Children.Add((Drawing)geometryDrawing2);
drawingGroup.Freeze();
DrawingBrush drawingBrush = new DrawingBrush((Drawing)drawingGroup);
drawingBrush.Freeze();
brush1 = (Brush)drawingBrush;
}
}
return((object)brush1);
}
