public void Draw(TextView textView, DrawingContext drawingContext)
{
var s = Element.Segment;
if (s != null)
{
var geoBuilder = new BackgroundGeometryBuilder
{
AlignToWholePixels = true,
BorderThickness = ActiveBorderPen?.Thickness ?? 0
};
if (Layer == KnownLayer.Background)
{
geoBuilder.AddSegment(textView, s);
drawingContext.DrawGeometry(BackgroundBrush, null, geoBuilder.CreateGeometry());
}
else
{
// draw foreground only if active
if (Element._isCaretInside)
{
geoBuilder.AddSegment(textView, s);
foreach (var boundElement in Element._context.ActiveElements.OfType <BoundActiveElement>())
{
if (boundElement.TargetElement == Element)
{
geoBuilder.AddSegment(textView, boundElement.Segment);
geoBuilder.CloseFigure();
}
}
drawingContext.DrawGeometry(null, ActiveBorderPen, geoBuilder.CreateGeometry());
}
}
}
}
public void Draw(TextView textView, System.Windows.Media.DrawingContext drawingContext)
{
ISegment s = element.Segment;
if (s != null)
{
BackgroundGeometryBuilder geoBuilder = new BackgroundGeometryBuilder();
geoBuilder.AlignToMiddleOfPixels = true;
if (Layer == KnownLayer.Background)
{
geoBuilder.AddSegment(textView, s);
drawingContext.DrawGeometry(backgroundBrush, null, geoBuilder.CreateGeometry());
}
else
{
// draw foreground only if active
if (element.isCaretInside)
{
geoBuilder.AddSegment(textView, s);
foreach (BoundActiveElement boundElement in element.context.ActiveElements.OfType <BoundActiveElement>())
{
if (boundElement.targetElement == element)
{
geoBuilder.AddSegment(textView, boundElement.Segment);
geoBuilder.CloseFigure();
}
}
drawingContext.DrawGeometry(null, activeBorderPen, geoBuilder.CreateGeometry());
}
}
}
}
public void Draw(TextView textView, DrawingContext drawingContext)
{
if (this.result == null)
{
return;
}
BackgroundGeometryBuilder builder = new BackgroundGeometryBuilder();
builder.CornerRadius = 1;
builder.AlignToMiddleOfPixels = true;
builder.AddSegment(textView, new TextSegment()
{
StartOffset = result.OpeningBracketOffset, Length = result.OpeningBracketLength
});
builder.CloseFigure(); // prevent connecting the two segments
builder.AddSegment(textView, new TextSegment()
{
StartOffset = result.ClosingBracketOffset, Length = result.ClosingBracketLength
});
Geometry geometry = builder.CreateGeometry();
if (borderPen == null)
{
this.UpdateColors(DefaultBackground, DefaultBackground);
}
if (geometry != null)
{
drawingContext.DrawGeometry(backgroundBrush, borderPen, geometry);
}
}
public void Draw(TextView textView, DrawingContext drawingContext)
{
if (BraceMatchingResult == null)
{
return;
}
BackgroundGeometryBuilder builder = new BackgroundGeometryBuilder();
builder.CornerRadius = 1;
builder.AlignToWholePixels = true;
builder.AddSegment(textView, new TextSegment()
{
StartOffset = BraceMatchingResult.Value.LeftSpan.Start, Length = BraceMatchingResult.Value.LeftSpan.Length
});
builder.CloseFigure(); // prevent connecting the two segments
builder.AddSegment(textView, new TextSegment()
{
StartOffset = BraceMatchingResult.Value.RightSpan.Start, Length = BraceMatchingResult.Value.RightSpan.Length
});
Geometry geometry = builder.CreateGeometry();
drawingContext.DrawGeometry(_backgroundBrush, _borderPen, geometry);
}
public void Draw(TextView textView, DrawingContext drawingContext)
{
if (!Enabled)
{
return;
}
BackgroundGeometryBuilder builder = new BackgroundGeometryBuilder();
builder.CornerRadius = 1;
builder.AlignToWholePixels = true;
builder.AddSegment(textView, new TextSegment()
{
StartOffset = Begin, Length = 1
});
builder.CloseFigure();
builder.AddSegment(textView, new TextSegment()
{
StartOffset = End, Length = 1
});
Geometry geometry = builder.CreateGeometry();
if (geometry != null)
{
drawingContext.DrawGeometry(backgroundBrush, borderPen, geometry);
}
}
public void Draw(TextView textView, DrawingContext drawingContext)
{
if (result == null)
{
return;
}
var builder = new BackgroundGeometryBuilder
{
CornerRadius = 1,
AlignToWholePixels = true,
BorderThickness = 0.0
};
builder.AddSegment(textView, new TextSegment()
{
StartOffset = result.OpeningBracketOffset, Length = result.OpeningBracketLength
});
builder.CloseFigure();
builder.AddSegment(textView, new TextSegment()
{
StartOffset = result.ClosingBracketOffset, Length = result.ClosingBracketLength
});
var geometry = builder.CreateGeometry();
if (geometry != null)
{
drawingContext.DrawGeometry(backgroundBrush, null, geometry);
}
}
public void Draw(TextView textView, DrawingContext drawingContext)
{
if (result == null)
{
return;
}
var builder = new BackgroundGeometryBuilder();
builder.AlignToWholePixels = true;
builder.AddSegment(textView, new TextSegment {
StartOffset = result.OpeningOffset, Length = 1
});
builder.CloseFigure(); // prevent connecting the two segments
builder.AddSegment(textView, new TextSegment {
StartOffset = result.ClosingOffset, Length = 1
});
var geometry = builder.CreateGeometry();
if (geometry != null)
{
drawingContext.DrawGeometry(backgroundBrush, borderPen, geometry);
}
}
public void Draw(TextView textView, DrawingContext drawingContext)
{
if (currentReferences == null)
{
var start = textView.VisualLines.First().FirstDocumentLine.LineNumber;
var end = textView.VisualLines.Last().LastDocumentLine.LineNumber;
currentReferences = new List <ISegment>();
FindCurrentReferences(start, end);
}
if (currentReferences.Count == 0)
{
return;
}
BackgroundGeometryBuilder builder = new BackgroundGeometryBuilder();
builder.CornerRadius = cornerRadius;
builder.AlignToMiddleOfPixels = true;
foreach (var reference in this.currentReferences)
{
builder.AddSegment(textView, new TextSegment()
{
StartOffset = reference.Offset,
Length = reference.Length
});
builder.CloseFigure();
}
Geometry geometry = builder.CreateGeometry();
if (geometry != null)
{
drawingContext.DrawGeometry(backgroundBrush, borderPen, geometry);
}
}
private void DrawSegment(DiffSegment segment, TextView textView, DrawingContext drawingContext)
{
BackgroundGeometryBuilder geoBuilder = new BackgroundGeometryBuilder
{
AlignToWholePixels = true,
BorderThickness = 0,
CornerRadius = 3,
};
Brush markerBrush;
switch (segment.type)
{
case DiffItem.DiffType.Deleted:
markerBrush = deletedBrush;
geoBuilder.AddSegment(textView, segment);
break;
case DiffItem.DiffType.Inserted:
markerBrush = addedBrush;
geoBuilder.AddSegment(textView, segment);
break;
default:
markerBrush = null;
break;
}
Geometry geometry = geoBuilder.CreateGeometry();
if (geometry != null)
{
drawingContext.DrawGeometry(markerBrush, null, geometry);
}
}
void IBackgroundRenderer.Draw(TextView textView, DrawingContext drawingContext)
{
if (markers == null || !textView.VisualLinesValid)
{
return;
}
var visualLines = textView.VisualLines;
if (visualLines.Count == 0)
{
return;
}
var viewStart = visualLines.First().FirstDocumentLine.Offset;
var viewEnd = visualLines.Last().LastDocumentLine.EndOffset;
foreach (var marker in markers.FindOverlappingSegments(viewStart, viewEnd - viewStart))
{
if (marker.BackgroundColor != null)
{
var geoBuilder = new BackgroundGeometryBuilder {
AlignToWholePixels = true, CornerRadius = 3
};
geoBuilder.AddSegment(textView, marker);
var geometry = geoBuilder.CreateGeometry();
if (geometry != null)
{
var color = marker.BackgroundColor.Value;
var brush = new SolidColorBrush(color);
brush.Freeze();
drawingContext.DrawGeometry(brush, null, geometry);
}
}
foreach (var r in BackgroundGeometryBuilder.GetRectsForSegment(textView, marker))
{
var startPoint = r.BottomLeft;
var endPoint = r.BottomRight;
var usedPen = new Pen(new SolidColorBrush(marker.MarkerColor), 1);
usedPen.Freeze();
const double offset = 2.5;
var count = Math.Max((int)((endPoint.X - startPoint.X) / offset) + 1, 4);
var geometry = new StreamGeometry();
using (var ctx = geometry.Open()) {
ctx.BeginFigure(startPoint, false, false);
ctx.PolyLineTo(CreatePoints(startPoint, endPoint, offset, count).ToArray(), true, false);
}
geometry.Freeze();
drawingContext.DrawGeometry(Brushes.Transparent, usedPen, geometry);
break;
}
}
}
public override void Render(DrawingContext drawingContext)
{
base.Render(drawingContext);
var selectionBorder = _textArea.SelectionBorder;
var geoBuilder = new BackgroundGeometryBuilder
{
AlignToWholePixels = true,
BorderThickness = selectionBorder?.Thickness ?? 0,
ExtendToFullWidthAtLineEnd = _textArea.Selection.EnableVirtualSpace,
CornerRadius = _textArea.SelectionCornerRadius
};
foreach (var segment in _textArea.Selection.Segments)
{
geoBuilder.AddSegment(TextView, segment);
}
var geometry = geoBuilder.CreateGeometry();
if (geometry != null)
{
drawingContext.DrawGeometry(_textArea.SelectionBrush, selectionBorder, geometry);
}
}
public void Draw(TextView textView, DrawingContext drawingContext)
{
if (renderedReferences == null)
{
return;
}
var builder = new BackgroundGeometryBuilder
{
CornerRadius = cornerRadius,
AlignToMiddleOfPixels = true
};
foreach (var reference in renderedReferences)
{
foreach (var span in reference.HighlightSpans)
{
builder.AddSegment(textView, new TextSegment()
{
StartOffset = span.TextSpan.Start,
Length = span.TextSpan.Length
});
builder.CloseFigure();
}
}
Geometry geometry = builder.CreateGeometry();
if (geometry != null)
{
drawingContext.DrawGeometry(backgroundBrush, borderPen, geometry);
}
}
public void Draw(TextView textView, DrawingContext drawingContext)
{
if (this.renderedReferences == null)
{
return;
}
BackgroundGeometryBuilder builder = new BackgroundGeometryBuilder();
builder.CornerRadius = cornerRadius;
builder.AlignToMiddleOfPixels = true;
foreach (var reference in this.renderedReferences)
{
builder.AddSegment(textView, new TextSegment()
{
StartOffset = reference.Offset,
Length = reference.Length
});
builder.CloseFigure();
}
Geometry geometry = builder.CreateGeometry();
if (geometry != null)
{
drawingContext.DrawGeometry(backgroundBrush, borderPen, geometry);
}
}
public void Draw(ICSharpCode.AvalonEdit.Rendering.TextView textView, DrawingContext drawingContext)
{
if (this.result == null)
{
return;
}
BackgroundGeometryBuilder builder = new BackgroundGeometryBuilder();
builder.CornerRadius = 1;
builder.AddSegment(textView, new TextSegment()
{
StartOffset = result.OpeningBracketOffset, Length = result.OpeningBracketLength
});
builder.CloseFigure(); // prevent connecting the two segments
builder.AddSegment(textView, new TextSegment()
{
StartOffset = result.ClosingBracketOffset, Length = result.ClosingBracketLength
});
Geometry geometry = builder.CreateGeometry();
if (geometry != null)
{
drawingContext.DrawGeometry(backgroundBrush, borderPen, geometry);
}
}
public void Draw(TextView textView, DrawingContext drawingContext)
{
if (_result == null)
{
return;
}
var builder = new BackgroundGeometryBuilder();
builder.CornerRadius = 1;
builder.AlignToMiddleOfPixels = true;
builder.AddSegment(textView, new TextSegment()
{
StartOffset = _result.OpeningBracketOffset, Length = _result.OpeningBracketLength
});
builder.CloseFigure();
builder.AddSegment(textView, new TextSegment()
{
StartOffset = _result.ClosingBracketOffset, Length = _result.ClosingBracketLength
});
var geometry = builder.CreateGeometry();
if (geometry != null)
{
drawingContext.DrawGeometry(_backgroundBrush, _borderPen, geometry);
}
}
public void Draw(TextView textView, DrawingContext drawingContext)
{
if (this.openBracketOffset == null || this.closeBracketOffset == null)
{
return;
}
BackgroundGeometryBuilder builder = new BackgroundGeometryBuilder();
builder.CornerRadius = 1;
builder.AlignToMiddleOfPixels = true;
builder.AddSegment(textView, new TextSegment()
{
StartOffset = openBracketOffset, Length = 1
});
builder.CloseFigure(); // prevent connecting the two segments
builder.AddSegment(textView, new TextSegment()
{
StartOffset = closeBracketOffset, Length = 1
});
Geometry geometry = builder.CreateGeometry();
if (geometry != null)
{
drawingContext.DrawGeometry(backgroundBrush, borderPen, geometry);
}
}
public void Draw(TextView textView, DrawingContext drawingContext)
{
if (_textEditor.SelectionLength == 0 && _textEditor.CaretOffset != -1 &&
_textEditor.CaretOffset <= textView.Document.TextLength)
{
var currentLine = textView.Document.GetLocation(_textEditor.CaretOffset).Line;
var visualLine = textView.GetVisualLine(currentLine);
if (visualLine == null)
{
return;
}
BackgroundGeometryBuilder builder = new BackgroundGeometryBuilder();
var linePosY = visualLine.VisualTop - textView.ScrollOffset.Y;
var lineBottom = linePosY + visualLine.Height;
Size pixelSize = PixelSnapHelpers.GetPixelSize(textView);
double x = PixelSnapHelpers.PixelAlign(0, pixelSize.Width);
double y = PixelSnapHelpers.PixelAlign(linePosY, pixelSize.Height);
var x2 = PixelSnapHelpers.PixelAlign(textView.Bounds.Width, pixelSize.Width);
var y2 = PixelSnapHelpers.PixelAlign(lineBottom, pixelSize.Height);
builder.AddRectangle(textView, new Rect(new Point(x, y), new Point(x2, y2)));
Geometry geometry = builder.CreateGeometry();
if (geometry != null)
{
drawingContext.DrawGeometry(BackgroundBrush, BorderPen, geometry);
}
}
}
public void Draw(TextView textView, DrawingContext drawingContext)
{
if (result.HasValue)
{
var match = result.Value;
var builder = new BackgroundGeometryBuilder
{
CornerRadius = 1,
AlignToMiddleOfPixels = true
};
builder.AddSegment(textView, new TextSegment()
{
StartOffset = match.LeftSpan.Start, Length = match.LeftSpan.Length
});
builder.CloseFigure(); // prevent connecting the two segments
builder.AddSegment(textView, new TextSegment()
{
StartOffset = match.RightSpan.Start, Length = match.RightSpan.Length
});
Geometry geometry = builder.CreateGeometry();
if (geometry != null)
{
drawingContext.DrawGeometry(backgroundBrush, borderPen, geometry);
}
}
}
public void Draw(TextView textview, DrawingContext drawingContext)
{
if (_result != null)
{
var backgroundGeometryBuilder = new BackgroundGeometryBuilder
{
CornerRadius = 1.0,
AlignToWholePixels = true
// AlignToMiddleOfPixels = true
};
backgroundGeometryBuilder.AddSegment(textview, new TextSegment
{
StartOffset = _result.OpeningBracketOffset,
Length = _result.OpeningBracketLength
});
backgroundGeometryBuilder.CloseFigure();
backgroundGeometryBuilder.AddSegment(textview, new TextSegment
{
StartOffset = _result.ClosingBracketOffset,
Length = _result.ClosingBracketLength
});
var geometry = backgroundGeometryBuilder.CreateGeometry();
if (_borderPen == null)
{
UpdateColors(DefaultBackground, DefaultBackground);
}
if (geometry != null)
{
drawingContext.DrawGeometry(_backgroundBrush, _borderPen, geometry);
}
}
}
protected override void OnRender(DrawingContext drawingContext)
{
base.OnRender(drawingContext);
BackgroundGeometryBuilder geoBuilder = new BackgroundGeometryBuilder();
geoBuilder.CornerRadius = textArea.SelectionCornerRadius;
foreach (var segment in textArea.Selection.Segments)
{
geoBuilder.AddSegment(textView, segment);
}
Geometry geometry = geoBuilder.CreateGeometry();
if (geometry != null)
{
if (textArea.Selection.IsFindOnPageSelection())
{
drawingContext.DrawGeometry(textArea.FindOnPageBrush, textArea.FindOnPageBorder, geometry);
textView.findOnPageSelectionGeometry = geometry;
}
else
{
drawingContext.DrawGeometry(textArea.SelectionBrush, textArea.SelectionBorder, geometry);
textView.findOnPageSelectionGeometry = null;
}
}
else
{
textView.findOnPageSelectionGeometry = null;
}
}
public void Draw(TextView textView, DrawingContext drawingContext)
{
var text = _editor.Text;
var caretOffset = _editor.CaretOffset;
if (caretOffset >= 0 && caretOffset <= text.Length)
{
var openingBracketOffset = -1;
var closingBracketOffset = -1;
if (caretOffset < text.Length)
{
var openingBracket = text[caretOffset];
char closingBracket;
if (OpeningBrackets.TryGetValue(openingBracket, out closingBracket))
{
openingBracketOffset = caretOffset;
closingBracketOffset = FindClosingBracketOffset(text, openingBracketOffset, openingBracket,
closingBracket);
}
}
if (!(openingBracketOffset >= 0 && closingBracketOffset >= 0) && caretOffset > 0)
{
var closingBracket = text[caretOffset - 1];
char openingBracket;
if (ClosingBrackets.TryGetValue(closingBracket, out openingBracket))
{
closingBracketOffset = caretOffset - 1;
openingBracketOffset = FindOpeningBracketOffset(text, closingBracketOffset, openingBracket,
closingBracket);
}
}
if (openingBracketOffset >= 0 && closingBracketOffset >= 0)
{
var builder = new BackgroundGeometryBuilder {
CornerRadius = 1, AlignToMiddleOfPixels = true
};
builder.AddSegment(textView, new TextSegment {
StartOffset = openingBracketOffset, Length = 1
});
builder.CloseFigure(); // сегменты не связаны друг с другом
builder.AddSegment(textView, new TextSegment {
StartOffset = closingBracketOffset, Length = 1
});
var geometry = builder.CreateGeometry();
if (geometry != null)
{
drawingContext.DrawGeometry(CurrentBracketBrush, null, geometry);
}
}
}
}
public void Draw(TextView textView, DrawingContext drawingContext)
{
//check arguments are valid
if (textView == null)
{
throw new ArgumentNullException(nameof(textView));
}
if (drawingContext == null)
{
throw new ArgumentNullException(nameof(drawingContext));
}
if (this.result == null)
{
return;
}
BackgroundGeometryBuilder builder = new BackgroundGeometryBuilder
{
CornerRadius = 1,
AlignToWholePixels = true,
BorderThickness = 1
};
builder.AddSegment(textView, new TextSegment()
{
StartOffset = result.OpeningBracketOffset, Length = result.OpeningBracketLength
});
builder.CloseFigure(); // prevent connecting the two segments
builder.AddSegment(textView, new TextSegment()
{
StartOffset = result.ClosingBracketOffset, Length = result.ClosingBracketLength
});
Geometry geometry = builder.CreateGeometry();
//Transform highlightFixTransform = new TranslateTransform(0, 2);
//geometry.Transform.Value.OffsetY = 2;
if (borderPen == null)
{
this.UpdateColors(DefaultBackground, DefaultBackground);
}
if (result.ClosingBracketLength == 0)
{
this.UpdateColors(InvalidBackground, InvalidBackground);
}
else
{
this.UpdateColors(DefaultBackground, DefaultBackground);
}
if (geometry != null)
{
drawingContext.DrawGeometry(backgroundBrush, borderPen, geometry);
}
}
/// <summary>
/// Defines style of highlighting.
/// </summary>
/// <param name="segment"></param>
/// <param name="textView"></param>
/// <param name="drawingContext"></param>
protected virtual void highlight(ISegment segment, TextView textView, DrawingContext drawingContext)
{
BackgroundGeometryBuilder geoBuilder = new BackgroundGeometryBuilder()
{
CornerRadius = 0
};
geoBuilder.AddSegment(textView, segment);
Geometry geometry = geoBuilder.CreateGeometry();
drawingContext.DrawGeometry(BrushStyle, PenStyle, geometry);
}
public void Draw(TextView textView, DrawingContext drawingContext)
{
if (textView == null)
{
throw new ArgumentNullException("textView");
}
if (drawingContext == null)
{
throw new ArgumentNullException("drawingContext");
}
if (_selectedSegments == null || !textView.VisualLinesValid)
{
return;
}
var visualLines = textView.VisualLines;
if (visualLines.Count == 0 || _selectedSegments.Count == 0)
{
return;
}
foreach (SelectedSegment result in _selectedSegments)
{
var selectedType = result.SelectedType;
if (selectedType == SelectedType.None || selectedType == SelectedType.Information)
{
continue;
}
var geoBuilder = new BackgroundGeometryBuilder();
geoBuilder.AlignToWholePixels = true;
geoBuilder.BorderThickness = _errorPen != null ? _errorPen.Thickness : 0;
geoBuilder.CornerRadius = 3;
geoBuilder.AddSegment(textView, result.Segment);
var geometry = geoBuilder.CreateGeometry();
if (geometry != null && !geometry.IsEmpty())
{
if (selectedType == SelectedType.Error)
{
drawingContext.DrawGeometry(_errorBrush, _errorPen, geometry);
}
else if (selectedType == SelectedType.Warning)
{
drawingContext.DrawGeometry(_warnBrush, _warnPen, geometry);
}
}
}
}
public void Draw(TextView textView, DrawingContext drawingContext)
{
if (textView == null)
{
throw new ArgumentNullException("textView");
}
if (drawingContext == null)
{
throw new ArgumentNullException("drawingContext");
}
if (currentResults == null || !textView.VisualLinesValid)
{
return;
}
var visualLines = textView.VisualLines;
if (visualLines.Count == 0)
{
return;
}
int viewStart = visualLines.First().FirstDocumentLine.Offset;
int viewEnd = visualLines.Last().LastDocumentLine.EndOffset;
int highlightCounter = 0;
foreach (SearchResult result in currentResults.FindOverlappingSegments(viewStart, viewEnd - viewStart))
{
BackgroundGeometryBuilder geoBuilder = new BackgroundGeometryBuilder();
geoBuilder.AlignToWholePixels = true;
geoBuilder.BorderThickness = markerPen != null ? markerPen.Thickness : 0;
geoBuilder.CornerRadius = 3;
geoBuilder.AddSegment(textView, result);
Geometry geometry = geoBuilder.CreateGeometry();
if (geometry != null)
{
drawingContext.DrawGeometry(markerBrush, markerPen, geometry);
}
highlightCounter++;
if (highlightCounter >= MAX_HIGHLIGHT)
{
break;
}
}
}
public void Draw(TextView textView, DrawingContext drawingContext)
{
if (LeftOfPosition == null && RightOfPosition == null)
{
return;
}
var builder = new BackgroundGeometryBuilder
{
CornerRadius = 1,
#if !AVALONIA
AlignToMiddleOfPixels = true
#endif
};
if (RightOfPosition != null)
{
builder.AddSegment(textView, new TextSegment {
StartOffset = RightOfPosition.Value.LeftSpan.Start, Length = RightOfPosition.Value.LeftSpan.Length
});
builder.CloseFigure();
builder.AddSegment(textView, new TextSegment {
StartOffset = RightOfPosition.Value.RightSpan.Start, Length = RightOfPosition.Value.RightSpan.Length
});
builder.CloseFigure();
}
if (LeftOfPosition != null)
{
builder.AddSegment(textView, new TextSegment {
StartOffset = LeftOfPosition.Value.LeftSpan.Start, Length = LeftOfPosition.Value.LeftSpan.Length
});
builder.CloseFigure();
builder.AddSegment(textView, new TextSegment {
StartOffset = LeftOfPosition.Value.RightSpan.Start, Length = LeftOfPosition.Value.RightSpan.Length
});
builder.CloseFigure();
}
var geometry = builder.CreateGeometry();
if (geometry != null)
{
drawingContext.DrawGeometry(_backgroundBrush, null, geometry);
}
}
public void DrawMarker(ISegment range, Color color)
{
var geoBuilder = new BackgroundGeometryBuilder {
AlignToWholePixels = true, CornerRadius = 3
};
geoBuilder.AddSegment(_textView, range);
var geometry = geoBuilder.CreateGeometry();
if (geometry == null)
{
return;
}
var brush = new SolidColorBrush(color);
brush.Freeze();
_drawingContext.DrawGeometry(brush, null, geometry);
}
protected override void OnRender(DrawingContext drawingContext)
{
base.OnRender(drawingContext);
BackgroundGeometryBuilder geoBuilder = new BackgroundGeometryBuilder();
geoBuilder.AlignToMiddleOfPixels = true;
geoBuilder.CornerRadius = textArea.SelectionCornerRadius;
foreach (var segment in textArea.Selection.Segments)
{
geoBuilder.AddSegment(textView, segment);
}
Geometry geometry = geoBuilder.CreateGeometry();
if (geometry != null)
{
drawingContext.DrawGeometry(textArea.SelectionBrush, textArea.SelectionBorder, geometry);
}
}
/// <summary>
/// Causes the background renderer to draw.
/// </summary>
/// <param name="textView"></param>
/// <param name="drawingContext"></param>
public void Draw(TextView textView, DrawingContext drawingContext)
{
if (String.IsNullOrWhiteSpace(editor.SelectedText) ||
!editor.SelectedText.All(Char.IsLetterOrDigit))
{
return;
}
ISearchStrategy strategy = SearchStrategyFactory.Create(editor.SelectedText, false, true, SearchMode.Normal);
foreach (ISearchResult result in strategy.FindAll(textView.Document, 0, textView.Document.TextLength))
{
BackgroundGeometryBuilder builder = new BackgroundGeometryBuilder()
{
CornerRadius = 1
};
builder.AddSegment(textView, result);
drawingContext.DrawGeometry(BrushStyle, PenStyle, builder.CreateGeometry());
}
}
public void Draw(TextView textView, DrawingContext drawingContext)
{
if (textView == null)
{
throw new ArgumentNullException("textView");
}
if (drawingContext == null)
{
throw new ArgumentNullException("drawingContext");
}
if (markers == null || !textView.VisualLinesValid)
{
return;
}
ReadOnlyCollection <VisualLine> visualLines = textView.VisualLines;
if (visualLines.Count == 0)
{
return;
}
int viewStart = visualLines.First().FirstDocumentLine.Offset;
int viewEnd = visualLines.Last().LastDocumentLine.EndOffset;
foreach (TextMarker marker in markers.FindOverlappingSegments(viewStart, viewEnd - viewStart))
{
if (marker.BackgroundColor != null)
{
var geoBuilder = new BackgroundGeometryBuilder();
geoBuilder.AlignToWholePixels = true;
geoBuilder.CornerRadius = 3;
geoBuilder.AddSegment(textView, marker);
Geometry geometry = geoBuilder.CreateGeometry();
if (geometry != null)
{
Color color = marker.BackgroundColor.Value;
var brush = new SolidColorBrush(color);
brush.Freeze();
drawingContext.DrawGeometry(brush, null, geometry);
}
}
}
}
