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 (textView.Document == null)
{
return;
}
textView.EnsureVisualLines();
Color backColor;
foreach (var visLine in textView.VisualLines)
{
backColor = default(Color);
switch (GetDiffType(visLine.FirstDocumentLine.LineNumber))
{
case DiffType.Add:
backColor = this.AddColor;
break;
case DiffType.Change:
backColor = Color.FromRgb(0xcc, 0xcc, 0xff);
break;
}
if (backColor != default(Color))
{
var backgroundGeometryBuilder = new BackgroundGeometryBuilder();
var y = visLine.VisualTop - textView.ScrollOffset.Y;
backgroundGeometryBuilder.AddRectangle(textView, new Rect(0.0, y, textView.ActualWidth, visLine.Height));
var geometry = backgroundGeometryBuilder.CreateGeometry();
if (geometry != null)
{
drawingContext.DrawGeometry(new SolidColorBrush(backColor), null, geometry);
}
}
}
}
public void Draw(TextView textView, DrawingContext drawingContext)
{
if (textView.Document == null)
{
return;
}
textView.EnsureVisualLines();
var firstLine = textView.VisualLines.First().FirstDocumentLine.LineNumber;
int nextBlockLine = int.MaxValue;
int blockIndex;
Color backColor;
MergeAlternate alt;
MergeLocation colorLocation;
for (blockIndex = 1; blockIndex < _view._starts.Count; blockIndex++)
{
if (_view._starts[blockIndex].LineNumber > firstLine)
{
nextBlockLine = _view._starts[blockIndex].LineNumber;
blockIndex--;
break;
}
}
if (blockIndex >= _view._starts.Count)
{
blockIndex = _view._starts.Count - 1;
}
foreach (var visLine in textView.VisualLines)
{
if (visLine.FirstDocumentLine.LineNumber >= nextBlockLine)
{
blockIndex++;
nextBlockLine = (blockIndex < (_view._starts.Count - 1) ? _view._starts[blockIndex + 1].LineNumber : int.MaxValue);
}
alt = _view._starts[blockIndex].Alternate;
if (_view._starts[blockIndex].Alternate.Parent.Alternates.Count > 1 &&
(_view.Location == MergeLocation.Output ||
_view.Location == MergeLocation.Parent ||
(alt.Location & MergeLocation.Parent) == 0))
{
colorLocation = alt.Location & ~MergeLocation.Output;
if (_view.Location == MergeLocation.Output)
{
if ((colorLocation & MergeLocation.Right) != 0)
{
backColor = GetColor(MergeLocation.Right);
}
else if ((colorLocation & MergeLocation.Parent) != 0)
{
backColor = GetColor(MergeLocation.Parent);
}
else
{
backColor = GetColor(MergeLocation.Left);
}
}
else
{
backColor = GetColor(_view.Location);
if (colorLocation == (MergeLocation.Left | MergeLocation.Right))
{
backColor = GetColor(MergeLocation.Right);
}
}
var backgroundGeometryBuilder = new BackgroundGeometryBuilder();
var y = visLine.VisualTop - textView.ScrollOffset.Y;
backgroundGeometryBuilder.AddRectangle(textView, new Rect(0.0, y, textView.ActualWidth, visLine.Height));
var geometry = backgroundGeometryBuilder.CreateGeometry();
if (geometry != null)
{
drawingContext.DrawGeometry(new SolidColorBrush(backColor), null, geometry);
}
}
}
}
