private void DrawVLine (DrawingContext dc)
{
var activeArea = GetArea (Region.Selection.SelectedToken, Region);
if (activeArea == null)
return;
var width = Region.Selection.Type == SelectionType.Left ? -2 : activeArea.Width + 2;
if (Region.Selection.SelectedToken is TextToken) {
var textToken = Region.Selection.SelectedToken as TextToken;
if (!string.IsNullOrEmpty (textToken.Text) && Region.Selection.Position != 0) {
var ft = new FormattedText (textToken.Text.Substring (0, Region.Selection.Position), textToken.FontFamily, textToken.FontSize, Colors.Black);
width = ft.Width + 2;
} else
width = 0;
}
var startPoint = activeArea.PointToScreen (new Point (width, -2));
startPoint = Region.PointFromScreen (startPoint);
var endPoint = activeArea.PointToScreen (new Point (width, activeArea.Height + 2));
endPoint = Region.PointFromScreen (endPoint);
dc.DrawLine (new Pen (Colors.Red, 1.5), startPoint, endPoint);
}
protected override void OnRender (DrawingContext dc)
{
if (!Region.IsFocused)
return;
DrawVLine (dc);
DrawHLine (dc);
}
protected override void OnRender (DrawingContext dc)
{
if (!IsVisible)
return;
dc.DrawLine (new Pen (Colors.Red, 2), new Point (X + 5, Y), new Point (X + 5, Y + 10));
dc.DrawLine (new Pen (Colors.Red, 2), new Point (X, Y + 5), new Point (X + 10, Y + 5));
}
protected override void OnRender (DrawingContext dc)
{
if (Data == null)
return;
dc.DrawGeometry (Fill, new Pen (Stroke, StrokeThickness), Data);
}
protected override void OnRender (DrawingContext dc)
{
var anialias = dc.Antialias;
dc.Antialias = SnapsToDevicePixels ? Antialias.None : anialias;
dc.DrawEllipse (Fill, new Pen (Stroke, StrokeThickness), new Point (Width / 2, Height / 2), Width / 2, Height / 2);
dc.Antialias = anialias;
}
protected override void OnRender (DrawingContext dc)
{
var anialias = dc.Antialias;
dc.Antialias = SnapsToDevicePixels ? Antialias.None : anialias;
dc.DrawLine (new Pen (Stroke, StrokeThickness),
new Point (StrokeThickness / 2, StrokeThickness / 2),
new Point (Width - StrokeThickness / 2, Height - StrokeThickness / 2));
dc.Antialias = anialias;
}
protected override void OnRender (DrawingContext dc)
{
var anialias = dc.Antialias;
dc.Antialias = SnapsToDevicePixels ? Antialias.None : anialias;
var rect = new Rect (StrokeThickness / 2, StrokeThickness / 2,
Width - StrokeThickness / 2, Height - StrokeThickness / 2);
dc.DrawRectangle (Fill, new Pen (Stroke, StrokeThickness), rect);
dc.Antialias = anialias;
}
private void DrawHLine (DrawingContext dc)
{
var activeArea = GetArea (Region.Selection.SelectedToken, Region);
if (activeArea == null)
return;
var startPoint = activeArea.PointToScreen (new Point (-1, activeArea.Height + 2));
startPoint = Region.PointFromScreen (startPoint);
var endPoint = activeArea.PointToScreen (new Point (activeArea.Width + 2, activeArea.Height + 2));
endPoint = Region.PointFromScreen (endPoint);
dc.DrawLine (new Pen (Colors.Red, 1.5), startPoint, endPoint);
}
protected void DrawArc (DrawingContext dc, Point start, Point end, Size size, SweepDirection sweepDirection)
{
var figure = new PathFigure ();
figure.StartPoint = start;
figure.Segments.Add (new ArcSegment ()
{
Point = end, Size = size, SweepDirection = sweepDirection
}
);
var geometry = new PathGeometry ();
geometry.Figures.Add (figure);
dc.DrawGeometry (null, new Pen (Colors.Black, 2), geometry);
}
protected override void OnRender (DrawingContext dc)
{
base.OnRender (dc);
var figure = new PathFigure ()
{
StartPoint = new Point (0, 0.3 * Height)
};
figure.Segments.Add (new LineSegment () { Point = new Point (3, 0.3 * Height) });
figure.Segments.Add (new LineSegment () { Point = new Point (6, Height) });
figure.Segments.Add (new LineSegment () { Point = new Point (10, 0) });
figure.Segments.Add (new LineSegment () { Point = new Point (Width + 2, 0) });
var geometry = new PathGeometry ();
geometry.Figures.Add (figure);
dc.DrawGeometry (null, new Pen (Colors.Black, 2), geometry);
}
protected override void OnRender (DrawingContext dc)
{
base.OnRender (dc);
DrawArc (dc, new Point (0, -3), new Point (0, Height + 3), new Size (10, Height), SweepDirection.Clockwise);
}
protected override void OnRender (DrawingContext dc)
{
foreach (var adorner in adorners) {
adorner.Render (dc);
}
}
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);
}
public void Render (DrawingContext dc)
{
OnRender (dc);
for (int i = 0; i < VisualChildrenCount; i++) {
var child = GetVisualChild (i);
if (child is UIElement) {
var uielement = child as UIElement;
if (uielement.IsVisible) {
dc.PushTransform (uielement.VisualTransform);
if (uielement.VisualTransform is TransformGroup)
uielement.Render (dc);
else
uielement.Render (dc);
dc.Pop ();
}
}
}
}
protected virtual void OnRender (DrawingContext dc)
{
}
protected override void OnRender (DrawingContext dc)
{
dc.DrawText (new FormattedText (Text, FontFamily, FontSize, Foreground), new Point (0, 0));
}
protected override void OnRender (DrawingContext dc)
{
base.OnRender (dc);
AdornerLayer.Render (dc);
}