public static GetRectsForSegment ( TextView textView, ISegment segment, bool extendToFullWidthAtLineEnd = false ) : IEnumerable |
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textView | TextView | |
segment | ISegment | |
extendToFullWidthAtLineEnd | bool | |
리턴 | IEnumerable |
public void Draw(TextView textView, DrawingContext drawingContext) { if (textView.SelectionStart != textView.SelectionEnd && textView.SelectionEnd >= 0 && textView.SelectionStart >= 0) { TextSegment selection; if (textView.SelectionEnd > textView.SelectionStart) { selection = new TextSegment { StartOffset = textView.SelectionStart, EndOffset = textView.SelectionEnd }; } else { selection = new TextSegment { StartOffset = textView.SelectionEnd, EndOffset = textView.SelectionStart }; } var rects = VisualLineGeometryBuilder.GetRectsForSegment(textView, selection); foreach (var rect in rects) { drawingContext.FillRectangle(selectionBrush, rect); } } }
public void TransformLine(TextView textView, DrawingContext drawingContext, VisualLine line) { if (!string.IsNullOrEmpty(SelectedWord) && line.RenderedText.Text.Contains(SelectedWord)) { var startIndex = 0; while (startIndex != -1) { startIndex = line.RenderedText.Text.IndexOf(SelectedWord, startIndex); if (startIndex != -1) { var rect = VisualLineGeometryBuilder.GetRectsForSegment(textView, new TextSegment { StartOffset = startIndex + line.Offset, EndOffset = startIndex + line.Offset + SelectedWord.Length }).First(); drawingContext.FillRectangle(highlightBrush, rect); startIndex += SelectedWord.Length; } } } }
public void TransformLine(TextView textView, DrawingContext drawingContext, VisualLine line) { if (markers == null) { return; } var markersInLine = markers.FindOverlappingSegments(line); foreach (var marker in markersInLine) { if (marker.Length == 0) { var endoffset = TextUtilities.GetNextCaretPosition(textView.TextDocument, marker.StartOffset, TextUtilities.LogicalDirection.Forward, TextUtilities.CaretPositioningMode.WordBorderOrSymbol); if (endoffset == -1) { marker.Length = line.Length; } else { marker.EndOffset = endoffset; } } if (marker.EndOffset < textView.TextDocument.TextLength) { foreach (var r in VisualLineGeometryBuilder.GetRectsForSegment(textView, marker)) { var startPoint = r.BottomLeft; var endPoint = r.BottomRight; var usedPen = new Pen(new SolidColorBrush(marker.MarkerColor), 1); 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); foreach (var point in CreatePoints(startPoint, endPoint, offset, count)) { ctx.LineTo(point); } ctx.EndFigure(false); } drawingContext.DrawGeometry(Brushes.Transparent, usedPen, geometry); break; } } } }
public void Draw(TextView textView, DrawingContext drawingContext) { if (line > 0 && line < textView.TextDocument.LineCount) { var currentLine = textView.TextDocument.GetLineByNumber(line); var rects = VisualLineGeometryBuilder.GetRectsForSegment(textView, currentLine); foreach (var rect in rects) { var drawRect = new Rect(rect.TopLeft.X, rect.TopLeft.Y, textView.Bounds.Width, rect.Height); drawingContext.FillRectangle(selectedLineBg, drawRect); } } }
public void Draw(TextView textView, DrawingContext drawingContext) { if (textView.SelectionStart == textView.SelectionEnd && textView.CaretIndex != -1 && textView.CaretIndex <= textView.TextDocument.TextLength) { var currentLine = textView.TextDocument.GetLineByOffset(textView.CaretIndex); var rects = VisualLineGeometryBuilder.GetRectsForSegment(textView, currentLine); foreach (var rect in rects) { var drawRect = new Rect(rect.TopLeft.X, rect.TopLeft.Y, textView.Bounds.Width, rect.Height); drawingContext.FillRectangle(selectedLineBg, drawRect); } } }