private static LinearGradientBrush GetTitleBrush ()
{
var result = new LinearGradientBrush ();
result.StartPoint = new Point (0, 0);
result.EndPoint = new Point (0, 1);
result.GradientStops.Add (new GradientStop (new Color (0x97, 0xb8, 0xe2), 0));
result.GradientStops.Add (new GradientStop (new Color (0x4e, 0x76, 0xa8), 1));
return result;
}
protected override void OnRender (DrawingContext dc)
{
if (Child == null)
return;
var x = BorderThickness / 2;
var y = BorderThickness / 2;
var width = Width - BorderThickness;
var height = Height - BorderThickness;
var figure = new PathFigure ();
figure.StartPoint = new Point (x + CornerRadius.TopLeft, y);
figure.IsClosed = true;
figure.Segments.Add (new LineSegment () { Point = new Point(x + width - CornerRadius.TopRight, y)});
if (CornerRadius.TopRight > 0) {
figure.Segments.Add (new ArcSegment ()
{
Point = new Point(x + width, y + CornerRadius.TopRight),
Size = new Size(CornerRadius.TopRight, CornerRadius.TopRight),
SweepDirection = SweepDirection.Clockwise,
IsLargeArc = false
}
);
}
figure.Segments.Add (new LineSegment () { Point = new Point(x + width, y + height - CornerRadius.BottomRight) });
if (CornerRadius.BottomRight > 0) {
figure.Segments.Add (new ArcSegment ()
{
Point = new Point(x + width - CornerRadius.BottomRight, y + height),
Size = new Size(CornerRadius.BottomRight, CornerRadius.BottomRight),
SweepDirection = SweepDirection.Clockwise,
IsLargeArc = false
}
);
}
figure.Segments.Add (new LineSegment () { Point = new Point(x + CornerRadius.BottomLeft, y + height) });
if (CornerRadius.BottomLeft > 0) {
figure.Segments.Add (new ArcSegment ()
{
Point = new Point(x, y + height - CornerRadius.BottomLeft),
Size = new Size(CornerRadius.BottomLeft, CornerRadius.BottomLeft),
SweepDirection = SweepDirection.Clockwise,
IsLargeArc = false
}
);
}
figure.Segments.Add (new LineSegment () { Point = new Point(x, y + CornerRadius.TopLeft) });
if (CornerRadius.TopLeft > 0) {
figure.Segments.Add (new ArcSegment ()
{
Point = new Point(x + CornerRadius.TopLeft, y),
Size = new Size(CornerRadius.TopLeft, CornerRadius.TopLeft),
SweepDirection = SweepDirection.Clockwise,
IsLargeArc = false
}
);
}
var path = new PathGeometry ();
path.Figures.Add (figure);
//todo: resove it
var brush = Background;
if (brush is LinearGradientBrush) {
var b = brush as LinearGradientBrush;
var newBrush = new LinearGradientBrush ()
{
StartPoint = new Point (b.StartPoint.X * width, b.StartPoint.Y * height),
EndPoint = new Point (b.EndPoint.X * width, b.EndPoint.Y * height)
};
newBrush.GradientStops.AddRange (b.GradientStops);
brush = newBrush;
}
dc.DrawGeometry (brush, new Pen (BorderColor, BorderThickness), path);
}