public static async Task <CustomTextSource4> UpdateFormattedText(ICodeView iface1)
{
Debug.WriteLine("Enteirng updateformattedtext " + iface1.PerformingUpdate);
if (iface1.PerformingUpdate)
{
Debug.WriteLine("Already performing update");
return(null);
}
iface1.PerformingUpdate = true;
iface1.Status = CodeControlStatus.Rendering;
iface1.RaiseEvent(new RoutedEventArgs(RoslynCodeControl.RenderStartEvent, iface1));
var textStorePosition = 0;
var linePosition = new Point(iface1.XOffset, 0);
iface1.TextDestination.Children.Clear();
var line = 0;
Debug.WriteLine("Calling inner update");
// ScrollViewer.VerticalScrollBarVisibility = ScrollBarVisibility.Disabled;
var fontFamilyFamilyName = iface1.FontFamily.FamilyNames[XmlLanguage.GetLanguage("en-US")];
Debug.WriteLine(fontFamilyFamilyName);
Debug.WriteLine("OutputWidth " + iface1.OutputWidth);
// not sure what to do here !!
// Rectangle.Width = OutputWidth + Rectangle.StrokeThickness * 2;
var emSize = iface1.FontSize;
var fontWeight = iface1.FontWeight;
var customTextSource4Parameters = iface1.CreateDefaultTextSourceArguments();
var mainUpdateParameters = new MainUpdateParameters(textStorePosition, line, linePosition,
RoslynCodeControl.Formatter, iface1.OutputWidth, iface1.PixelsPerDip, emSize, fontFamilyFamilyName,
iface1.UpdateChannel.Writer, fontWeight, iface1.DocumentPaginator, customTextSource4Parameters);
await iface1.JTF2.SwitchToMainThreadAsync();
var source = await iface1.InnerUpdateAsync(mainUpdateParameters, customTextSource4Parameters);
return(source);
}
/// <inheritdoc />
public async Task UpdateFormattedTextAsync()
{
var codeView = (ICodeView)this;
_debugFn?.Invoke($"Entering {nameof(UpdateFormattedTextAsync)} {codeView.PerformingUpdate}");
if (codeView.PerformingUpdate)
{
_debugFn?.Invoke("Already performing update");
}
else
{
JTF.RunAsync(ReaderListenerAsync);
codeView.PerformingUpdate = true;
codeView.Status = CodeControlStatus.Rendering;
codeView.Reset();
codeView.RaiseEvent(new RoutedEventArgs(RenderStartEvent, this));
var text = await SyntaxTree.GetTextAsync();
var o = new Point(double.NaN, 0);
for (var i = 0; i < text.Lines.Count; i++)
{
DrawLineNumber(i, o);
o.Y += LineHeight;
}
var textStorePosition = 0;
var linePosition = new Point(codeView.XOffset, 0);
codeView.TextDestination.Children.Clear();
var line = 0;
_debugFn?.Invoke("Calling inner update");
// ScrollViewer.VerticalScrollBarVisibility = ScrollBarVisibility.Disabled;
var fontFamilyFamilyName = codeView.FontFamily.FamilyNames[XmlLanguage.GetLanguage("en-US")];
_debugFn?.Invoke(fontFamilyFamilyName);
_debugFn?.Invoke("OutputWidth " + codeView.OutputWidth);
// not sure what to do here !!
// Rectangle.Width = OutputWidth + Rectangle.StrokeThickness * 2;
var emSize = codeView.FontSize;
var fontWeight = codeView.FontWeight;
var customTextSource4Parameters = codeView.CreateDefaultTextSourceArguments();
var mainUpdateParameters = new MainUpdateParameters(textStorePosition, line, linePosition,
CommonText.Formatter, codeView.OutputWidth, codeView.PixelsPerDip, emSize,
fontFamilyFamilyName, codeView.UpdateChannel.Writer, fontWeight,
null, customTextSource4Parameters, _debugFn);
await JTF2.SwitchToMainThreadAsync();
SecondaryThreadTasks();
var source = codeView.InnerUpdate(mainUpdateParameters, customTextSource4Parameters);
await JTF.SwitchToMainThreadAsync();
codeView.CustomTextSource = source;
_debugFn?.Invoke("Return from await inner update");
codeView.PerformingUpdate = false;
codeView.InitialUpdate = false;
codeView.RaiseEvent(new RoutedEventArgs(RenderCompleteEvent, this));
codeView.Status = CodeControlStatus.Rendered;
codeView.InsertionPoint = 0;
codeView.InsertionLineNode = codeView.FindLine(0);
#if false
foreach (var x1 in codeView.FindLine(0).List)
{
for (var ci1 = x1.FirstCharInfo; ci1 != null && ci1.Value.Index < x1.Offset + x1.Length; ci1 =
ci1.Next)
{
Debug.WriteLine($"{x1.LineNumber:D4},{ci1.Value.LineIndex:D3},{ci1.Value.Index:D6}");
}
}
#endif
#if false
var #if av = codeView.FindLine(0).Value.FirstCharInfo.List.Average(c => c.AdvanceWidth);
foreach (var x1 in codeView.FindLine(0).Value.FirstCharInfo.List.GroupBy(c => c.AdvanceWidth)
.Select(z => new { Width = z.Key, Count = z.Count() }))
{
var msg = $"{x1.Width} - {x1.Count}";
DebugFn(msg);
Debug.WriteLine(msg);
}
Debug.WriteLine($"Average related to font size is {av/FontSize}");
#endif
await UpdateRoslynPropertiesAsync();
ScrollViewer.InvalidateScrollInfo();
}
}
public static unsafe CustomTextSource4 InnerUpdateAsync(MainUpdateParameters mainUpdateParameters,
Func <CustomTextSource4> makeSource)
{
LinkedListNode <CharInfo> charInfoNode = null;
const int batchLines = 100;
var lineInfos0 = new LineInfo2[batchLines];
var lineInfos1 = new LineInfo2[batchLines];
var lineInfos = lineInfos0;
int @switch = 0;
mainUpdateParameters.DebugFn?.Invoke($"{nameof(InnerUpdateAsync)}", 5);
var tf = CreateTypeface(new FontFamily(mainUpdateParameters.FaceName), FontStyles.Normal,
FontStretches.Normal,
mainUpdateParameters.FontWeight);
var currentRendering = FontRendering.CreateInstance(mainUpdateParameters.FontSize,
TextAlignment.Left,
null,
Brushes.Black,
tf);
var customTextSource4 = makeSource();
var myGroup = new DrawingGroup();
var myDc = myGroup.Open();
var genericTextParagraphProperties =
new GenericTextParagraphProperties(currentRendering, mainUpdateParameters.PixelsPerDip);
var runsInfos = new List <TextRunInfo>();
var allCharInfos = new LinkedList <CharInfo>();
var textStorePosition = mainUpdateParameters.TextStorePosition;
var lineNo = mainUpdateParameters.LineNo;
// var tasks = new List<Task>();
var linePosition = mainUpdateParameters.LinePosition;
var liIndex = 0;
while (textStorePosition < customTextSource4.Length)
{
var runCount = customTextSource4.Runs.Count;
#if DEBUGTEXTSOURCE
Debug.WriteLine("Runcount = " + runCount);
#endif
var numPages = 0;
var pageBegin = new Point(0, 0);
var pageEnd = new Point(0, 0);
if (mainUpdateParameters.Paginate)
{
// ReSharper disable once PossibleInvalidOperationException
pageEnd.Offset(mainUpdateParameters.PageSize.Value.Width,
mainUpdateParameters.PageSize.Value.Height);
}
LineInfo2 lineInfo;
var linePositionX = mainUpdateParameters.ParagraphWidth - linePosition.X;
if (linePositionX < 0)
{
linePositionX = 0;
}
using (var myTextLine = mainUpdateParameters.TextFormatter.FormatLine(customTextSource4,
textStorePosition, linePositionX,
genericTextParagraphProperties,
null))
{
var nRuns = customTextSource4.Runs.Count - runCount;
if (nRuns < 0)
{
throw new InvalidOperationException("NRuns is negative" + nRuns);
}
#if DEBUGTEXTSOURCE
Debug.WriteLine("num runs for line is " + nRuns);
#endif
var curCharInfoNode = charInfoNode;
HandleLine(allCharInfos, linePosition, myTextLine, customTextSource4, runCount,
nRuns, lineNo, textStorePosition, runsInfos, curCharInfoNode, out charInfoNode,
mainUpdateParameters.DebugFn);
myTextLine.Draw(myDc, linePosition, InvertAxes.None);
lineInfos[liIndex++] = new LineInfo2(lineNo, curCharInfoNode != null? curCharInfoNode.Next : allCharInfos.First, textStorePosition, linePosition, myTextLine.Height,
myTextLine.Length);
linePosition.Y += myTextLine.Height;
lineNo++;
// Update the index position in the text store.
textStorePosition += myTextLine.Length;
if (mainUpdateParameters.Paginate && linePosition.Y >= pageEnd.Y)
{
Debug.WriteLine($"numPages: {numPages}");
numPages++;
}
}
#if GROUPEDDG
if (lineNo > 0 && lineNo % batchLines == 0)
{
myDc.Close();
myGroup.Freeze();
var curUi = new UpdateInfo()
{
DrawingGroup = myGroup, CharInfos = allCharInfos.ToList <CharInfo>()
};
await mainUpdateParameters.ChannelWriter.WriteAsync(curUi);
// tasks.Add(writeAsync.AsTask());
myGroup = new DrawingGroup();
myDc = myGroup.Open();
}
#else
if (lineNo <= 0 || lineNo % batchLines != 0)
{
continue;
}
myDc.Close();
myGroup.Freeze();
var curUi = new UpdateInfo(
myGroup,
liIndex,
lineInfos
);
liIndex = 0;
if (@switch == 0)
{
lineInfos = lineInfos1;
@switch = 1;
}
else
{
lineInfos = lineInfos0;
@switch = 0;
}
mainUpdateParameters.ChannelWriter.WriteAsync(curUi);
myGroup = new DrawingGroup();
myDc = myGroup.Open();
#endif
}
customTextSource4.RunInfos = runsInfos;
#if GROUPEDDG
if (lineNo % 100 != 0)
{
myDc.Close();
myGroup.Freeze();
var curUi = new UpdateInfo()
{
DrawingGroup = myGroup, CharInfos = Enumerable.ToList <CharInfo>(allCharInfos), FinalBlock = true
};
await mainUpdateParameters.ChannelWriter.WriteAsync(curUi);
// tasks.Add(writeAsync.AsTask());
}
else
{
myDc.Close();
}
#else
if (lineNo % batchLines == 0)
{
return(customTextSource4);
}
{
myDc.Close();
myGroup.Freeze();
var curUi = new UpdateInfo(
myGroup,
liIndex,
lineInfos
);
mainUpdateParameters.ChannelWriter.WriteAsync(curUi);
}
#endif
// await Task.WhenAll(tasks);
return(customTextSource4);
}
/// <inheritdoc />
public CustomTextSource4 InnerUpdate(MainUpdateParameters mainUpdateParameters,
TextSourceInitializationParameters textSourceInitializationParameters)
{
return(CommonText.InnerUpdateAsync(mainUpdateParameters,
() => CreateCustomTextSource4(textSourceInitializationParameters)));
}
