/// <summary>
///
/// </summary>
/// <param name="pixelsPerDip"></param>
/// <param name="tf"></param>
/// <param name="st"></param>
/// <param name="node"></param>
/// <param name="compilation"></param>
/// <param name="fontSize"></param>
/// <param name="pDebugFn"></param>
/// <returns></returns>
public static CustomTextSource4 CreateAndInitTextSource(double pixelsPerDip,
Typeface tf, SyntaxTree st, SyntaxNode node, Compilation compilation, double fontSize,
RoslynCodeBase.DebugDelegate pDebugFn)
{
if (st == null)
{
st = SyntaxFactory.ParseSyntaxTree("");
node = st.GetRoot();
compilation = null;
}
var textDecorationCollection = new TextDecorationCollection();
var typeface = tf;
var fontRendering = FontRendering.CreateInstance(fontSize,
TextAlignment.Left, textDecorationCollection,
Brushes.Black, typeface);
var genericTextRunProperties = new GenericTextRunProperties(
fontRendering,
pixelsPerDip);
var source = new CustomTextSource4(pixelsPerDip, fontRendering, genericTextRunProperties, pDebugFn)
{
EmSize = fontSize,
Compilation = compilation,
Tree = st,
Node = node
};
//source.PropertyChanged += x;
source.Init();
return(source);
}
/// <summary>
///
/// </summary>
/// <param name="pixelsPerDip"></param>
/// <param name="fontRendering"></param>
/// <param name="genericTextRunProperties"></param>
/// <param name="debugFn"></param>
public CustomTextSource4(double pixelsPerDip, FontRendering fontRendering,
GenericTextRunProperties genericTextRunProperties, RoslynCodeBase.DebugDelegate debugFn)
{
CurrentRendering = fontRendering;
PixelsPerDip = pixelsPerDip;
BaseProps = genericTextRunProperties;
_debugFn = debugFn;
}
public GenericTextParagraphPropertiesImpl(FontRendering newRendering, double pixelsPerDip,
List <TextTabProperties> tabs) : base(newRendering, pixelsPerDip)
{
if (tabs != null)
{
foreach (var textTabPropertiese in tabs)
{
_tabs.Add(textTabPropertiese);
}
}
}
/// <summary>
///
/// </summary>
/// <param name="newRender"></param>
/// <param name="pixelsPerDip"></param>
/// <param name="foregroundBrush"></param>
/// <param name="hintingSize"></param>
/// <param name="pDebugFn"></param>
public GenericTextRunProperties(FontRendering newRender,
double pixelsPerDip, Brush foregroundBrush = null, FontStyle?style = null)
{
_typeface = newRender.Typeface;
_emSize = newRender.FontSize;
_emHintingSize = newRender.FontSize;
_textDecorations = newRender.TextDecorations;
_foregroundBrush = foregroundBrush ?? Brushes.Black;
_backgroundBrush = null;
_baselineAlignment = BaselineAlignment.Baseline;
_culture = CultureInfo.CurrentUICulture;
PixelsPerDip = pixelsPerDip;
}
private static CustomTextSource4 CreateCustomTextSource4(
TextSourceInitializationParameters p)
{
var customTextSource4 =
CommonText.CreateAndInitTextSource(p.PixelsPerDip, p.Tf,
p.Tree, p.Node0,
p.Compilation, p.EmSize0, p.DebugFn);
customTextSource4.CurrentRendering = FontRendering.CreateInstance(p.EmSize0,
TextAlignment.Left,
new TextDecorationCollection(), Brushes.Black, p.Tf);
return(customTextSource4);
}
/// <summary>
///
/// </summary>
/// <param name="newRender"></param>
/// <exception cref="ArgumentNullException"></exception>
public GenericTextRunProperties([NotNull] FontRendering newRender)
{
if (newRender == null)
{
throw new ArgumentNullException(nameof(newRender));
}
_typeface = newRender.Typeface;
_emSize = newRender.FontSize;
_emHintingSize = newRender.FontSize;
_textDecorations = newRender.TextDecorations;
_foregroundBrush = newRender.TextColor;
_backgroundBrush = null;
_baselineAlignment = BaselineAlignment.Baseline;
_culture = CultureInfo.CurrentUICulture;
}
public GenericTextParagraphProperties(FontRendering newRendering, double pixelsPerDip)
{
_flowDirection = FlowDirection.LeftToRight;
_textAlignment = newRendering.TextAlignment;
_firstLineInParagraph = false;
_alwaysCollapsible = false;
_defaultTextRunProperties = new GenericTextRunProperties(
newRendering.Typeface, pixelsPerDip, newRendering.FontSize, newRendering.FontSize,
newRendering.TextDecorations, newRendering.TextColor, null,
BaselineAlignment.Baseline, CultureInfo.CurrentUICulture);
_textWrap = TextWrapping.Wrap;
_lineHeight = 0;
_indent = 0;
_paragraphIndent = 0;
}
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);
}
