public LinePartsTextSource(LinePartsCollection linePartsCollection)
{
if (linePartsCollection == null)
{
throw new ArgumentNullException(nameof(linePartsCollection));
}
this.linePartsCollection = linePartsCollection;
this.text = linePartsCollection.Span.GetText();
}
public WpfTextViewLine(IBufferGraph bufferGraph, LinePartsCollection linePartsCollection, int startColumn, int endColumn, ITextSnapshotLine bufferLine, SnapshotSpan span, ITextSnapshot visualSnapshot, TextLine textLine, double indentation, double virtualSpaceWidth)
{
if (bufferGraph == null)
{
throw new ArgumentNullException(nameof(bufferGraph));
}
if (linePartsCollection == null)
{
throw new ArgumentNullException(nameof(linePartsCollection));
}
if (bufferLine == null)
{
throw new ArgumentNullException(nameof(bufferLine));
}
if (span.Snapshot != bufferLine.Snapshot)
{
throw new ArgumentException();
}
if (visualSnapshot == null)
{
throw new ArgumentNullException(nameof(visualSnapshot));
}
if (textLine == null)
{
throw new ArgumentNullException(nameof(textLine));
}
this.IsValid = true;
this.bufferGraph = bufferGraph;
this.linePartsCollection = linePartsCollection;
this.endColumn = endColumn;
this.visualSnapshot = visualSnapshot;
this.textLines = new ReadOnlyCollection <TextLine>(new[] { textLine });
Debug.Assert(textLines.Count == 1); // Assumed by all code accessing TextLine prop
this.realTopSpace = 0;
this.realBottomSpace = 0;
this.realBaseline = TextLine.Baseline;
this.isFirstTextViewLineForSnapshotLine = span.Start == bufferLine.Start;
this.isLastTextViewLineForSnapshotLine = span.End == bufferLine.EndIncludingLineBreak;
IsLastVisualLine = bufferLine.LineNumber + 1 == bufferLine.Snapshot.LineCount && IsLastTextViewLineForSnapshotLine;
this.lineBreakLength = isLastTextViewLineForSnapshotLine ? bufferLine.LineBreakLength : 0;
this.virtualSpaceWidth = virtualSpaceWidth;
this.textLeft = indentation;
this.textWidth = textLine.WidthIncludingTrailingWhitespace;
this.extentIncludingLineBreak = span;
this.realHeight = textLine.Height + DEFAULT_TOP_SPACE + DEFAULT_BOTTOM_SPACE;
this.realTextHeight = textLine.TextHeight;
this.endOfLineWidth = Math.Floor(this.realTextHeight * 0.58333333333333337); // Same as VS
this.width = this.textWidth + (this.lineBreakLength == 0 ? 0 : this.endOfLineWidth);
this.change = TextViewLineChange.NewOrReformatted;
SetLineTransform(DefaultLineTransform);
}
public void Dispose()
{
IsValid = false;
foreach (var t in textLines)
{
t.Dispose();
}
bufferGraph = null !;
extentIncludingLineBreak = default;
visualSnapshot = null !;
linePartsCollection = null !;
textLines = null !;
drawingVisual = null;
}
public WpfTextViewLine(IBufferGraph bufferGraph, LinePartsCollection linePartsCollection, int linePartsIndex, int linePartsLength, int startColumn, int endColumn, ITextSnapshotLine bufferLine, SnapshotSpan span, ITextSnapshot visualSnapshot, TextLine textLine, double indentation, double virtualSpaceWidth)
{
if (linePartsCollection is null)
{
throw new ArgumentNullException(nameof(linePartsCollection));
}
if (linePartsIndex < 0)
{
throw new ArgumentOutOfRangeException(nameof(linePartsIndex));
}
if (linePartsLength < 0)
{
throw new ArgumentOutOfRangeException(nameof(linePartsLength));
}
if (linePartsIndex + linePartsLength > linePartsCollection.LineParts.Count)
{
throw new ArgumentOutOfRangeException(nameof(linePartsLength));
}
if (bufferLine is null)
{
throw new ArgumentNullException(nameof(bufferLine));
}
if (span.Snapshot != bufferLine.Snapshot)
{
throw new ArgumentException();
}
if (textLine is null)
{
throw new ArgumentNullException(nameof(textLine));
}
IsValid = true;
this.linePartsIndex = linePartsIndex;
this.linePartsLength = linePartsLength;
this.bufferGraph = bufferGraph ?? throw new ArgumentNullException(nameof(bufferGraph));
this.linePartsCollection = linePartsCollection;
this.startColumn = startColumn;
this.endColumn = endColumn;
this.visualSnapshot = visualSnapshot ?? throw new ArgumentNullException(nameof(visualSnapshot));
textLines = new ReadOnlyCollection <TextLine>(new[] { textLine });
Debug.Assert(textLines.Count == 1); // Assumed by all code accessing TextLine prop
realTopSpace = 0;
realBottomSpace = 0;
realBaseline = TextLine.Baseline;
double baseLineHeight = TextLine.TextHeight - TextLine.Baseline;
var lineParts = linePartsCollection.LineParts;
for (int i = 0; i < linePartsLength; i++)
{
var adornmentElement = lineParts[linePartsIndex + i].AdornmentElement;
if (adornmentElement is null)
{
continue;
}
double adornmentBaseLineHeight = adornmentElement.TextHeight - adornmentElement.Baseline;
if (adornmentBaseLineHeight > baseLineHeight)
{
baseLineHeight = adornmentBaseLineHeight;
}
if (adornmentElement.Baseline > realBaseline)
{
realBaseline = adornmentElement.Baseline;
}
if (adornmentElement.TopSpace > realTopSpace)
{
realTopSpace = adornmentElement.TopSpace;
}
if (adornmentElement.BottomSpace > realBottomSpace)
{
realBottomSpace = adornmentElement.BottomSpace;
}
}
realTextHeight = Math.Ceiling(baseLineHeight + realBaseline);
isFirstTextViewLineForSnapshotLine = span.Start == bufferLine.Start;
isLastTextViewLineForSnapshotLine = span.End == bufferLine.EndIncludingLineBreak;
IsLastVisualLine = bufferLine.LineNumber + 1 == bufferLine.Snapshot.LineCount && IsLastTextViewLineForSnapshotLine;
lineBreakLength = isLastTextViewLineForSnapshotLine ? bufferLine.LineBreakLength : 0;
this.virtualSpaceWidth = virtualSpaceWidth;
textLeft = indentation;
textWidth = TextLine.WidthIncludingTrailingWhitespace;
extentIncludingLineBreak = span;
endOfLineWidth = Math.Floor(realTextHeight * 0.58333333333333337); // Same as VS
width = textWidth + (lineBreakLength == 0 ? 0 : endOfLineWidth);
change = TextViewLineChange.NewOrReformatted;
SetLineTransform(DefaultLineTransform);
}
public void Dispose() {
IsValid = false;
foreach (var t in textLines)
t.Dispose();
bufferGraph = null;
extentIncludingLineBreak = default(SnapshotSpan);
visualSnapshot = null;
linePartsCollection = null;
textLines = null;
drawingVisual = null;
}
public WpfTextViewLine(IBufferGraph bufferGraph, LinePartsCollection linePartsCollection, int linePartsIndex, int linePartsLength, int startColumn, int endColumn, ITextSnapshotLine bufferLine, SnapshotSpan span, ITextSnapshot visualSnapshot, TextLine textLine, double indentation, double virtualSpaceWidth) {
if (bufferGraph == null)
throw new ArgumentNullException(nameof(bufferGraph));
if (linePartsCollection == null)
throw new ArgumentNullException(nameof(linePartsCollection));
if (linePartsIndex < 0)
throw new ArgumentOutOfRangeException(nameof(linePartsIndex));
if (linePartsLength < 0)
throw new ArgumentOutOfRangeException(nameof(linePartsLength));
if (linePartsIndex + linePartsLength > linePartsCollection.LineParts.Count)
throw new ArgumentOutOfRangeException(nameof(linePartsLength));
if (bufferLine == null)
throw new ArgumentNullException(nameof(bufferLine));
if (span.Snapshot != bufferLine.Snapshot)
throw new ArgumentException();
if (visualSnapshot == null)
throw new ArgumentNullException(nameof(visualSnapshot));
if (textLine == null)
throw new ArgumentNullException(nameof(textLine));
IsValid = true;
this.linePartsIndex = linePartsIndex;
this.linePartsLength = linePartsLength;
this.bufferGraph = bufferGraph;
this.linePartsCollection = linePartsCollection;
this.startColumn = startColumn;
this.endColumn = endColumn;
this.visualSnapshot = visualSnapshot;
textLines = new ReadOnlyCollection<TextLine>(new[] { textLine });
Debug.Assert(textLines.Count == 1);// Assumed by all code accessing TextLine prop
realTopSpace = 0;
realBottomSpace = 0;
realBaseline = TextLine.Baseline;
double baseLineHeight = TextLine.TextHeight - TextLine.Baseline;
var lineParts = linePartsCollection.LineParts;
for (int i = 0; i < linePartsLength; i++) {
var adornmentElement = lineParts[linePartsIndex + i].AdornmentElement;
if (adornmentElement == null)
continue;
double adornmentBaseLineHeight = adornmentElement.TextHeight - adornmentElement.Baseline;
if (adornmentBaseLineHeight > baseLineHeight)
baseLineHeight = adornmentBaseLineHeight;
if (adornmentElement.Baseline > realBaseline)
realBaseline = adornmentElement.Baseline;
if (adornmentElement.TopSpace > realTopSpace)
realTopSpace = adornmentElement.TopSpace;
if (adornmentElement.BottomSpace > realBottomSpace)
realBottomSpace = adornmentElement.BottomSpace;
}
realTextHeight = Math.Ceiling(baseLineHeight + realBaseline);
isFirstTextViewLineForSnapshotLine = span.Start == bufferLine.Start;
isLastTextViewLineForSnapshotLine = span.End == bufferLine.EndIncludingLineBreak;
IsLastVisualLine = bufferLine.LineNumber + 1 == bufferLine.Snapshot.LineCount && IsLastTextViewLineForSnapshotLine;
lineBreakLength = isLastTextViewLineForSnapshotLine ? bufferLine.LineBreakLength : 0;
this.virtualSpaceWidth = virtualSpaceWidth;
textLeft = indentation;
textWidth = TextLine.WidthIncludingTrailingWhitespace;
extentIncludingLineBreak = span;
endOfLineWidth = Math.Floor(realTextHeight * 0.58333333333333337);// Same as VS
width = textWidth + (lineBreakLength == 0 ? 0 : endOfLineWidth);
change = TextViewLineChange.NewOrReformatted;
SetLineTransform(DefaultLineTransform);
}
public LinePartsTextSource(LinePartsCollection linePartsCollection) {
if (linePartsCollection == null)
throw new ArgumentNullException(nameof(linePartsCollection));
this.linePartsCollection = linePartsCollection;
text = linePartsCollection.Span.GetText();
}