public MRATextItemView()
{
this.textfmtr = TextFormatter.Create(TextFormattingMode.Ideal);
this.textbuilder = new StringBuilder();
this.fontindics = new List <ITextFontIndex>();
this.structbarmouseover = false;
this.rawtextmouseover = false;
this.dvNumberBar = new MRANumberBarDrawingVisual(this);
this.dvStructBar = new MRAStructBarDrawingVisual(this);
this.dvRawText = new MRARawTextDrawingVisual(this);
this.dvSelection = new MRASelectionDrawingVisual(this);
this.dvs = new List <MRATextItemDrawingVisual>()
{
dvNumberBar, dvStructBar, dvSelection, dvRawText
};
AddLogicalChild(dvNumberBar);
AddLogicalChild(dvStructBar);
AddLogicalChild(dvSelection);
AddLogicalChild(dvRawText);
AddVisualChild(dvNumberBar);
AddVisualChild(dvStructBar);
AddVisualChild(dvSelection);
AddVisualChild(dvRawText);
HorizontalAlignment = HorizontalAlignment.Left;
VerticalAlignment = VerticalAlignment.Top;
}
private void UpdateFormattedText02()
{
// Create a DrawingGroup object for storing formatted text.
myTextDisplay = new DrawingGroup();
DrawingContext drawingContext = myTextDisplay.Open();
// Update the text store.
customTextSource.Text = "The quick red fox jumped over the lazy brown dog.";
// Create a TextFormatter object.
TextFormatter formatter = TextFormatter.Create();
// Create common paragraph property settings.
CustomTextParagraphProperties customTextParagraphProperties
= new CustomTextParagraphProperties();
// <SnippetTextFormattingSnippet2>
// Create a textline from the text store using the TextFormatter object.
TextLine myTextLine = formatter.FormatLine(
customTextSource,
0,
400,
customTextParagraphProperties,
null);
// Draw the formatted text into the drawing context.
myTextLine.Draw(drawingContext, new Point(0, 0), InvertAxes.None);
// </SnippetTextFormattingSnippet2>
// Persist the drawn text content.
drawingContext.Close();
// Display the formatted text in the DrawingGroup object.
myDrawingBrush.Drawing = myTextDisplay;
}
/// <summary>
/// Creates a <see cref="TextFormatter"/> using the formatting mode used by the specified owner object.
/// </summary>
public static TextFormatter Create(DependencyObject owner)
{
if (owner == null)
{
throw new ArgumentNullException("owner");
}
#if DOTNET4
return(TextFormatter.Create(TextOptions.GetTextFormattingMode(owner)));
#else
if (TextFormattingModeProperty != null)
{
object formattingMode = owner.GetValue(TextFormattingModeProperty);
return((TextFormatter)typeof(TextFormatter).InvokeMember(
"Create",
BindingFlags.InvokeMethod | BindingFlags.Public | BindingFlags.Static,
null, null,
new object[] { formattingMode },
CultureInfo.InvariantCulture));
}
else
{
return(TextFormatter.Create());
}
#endif
}
static VisualTextLine()
{
formatter = TextFormatter.Create();
paragraphProperties = new SimpleParagraphProperties {
defaultTextRunProperties = TextConfiguration.GetGlobalTextRunProperties()
};
}
public void IndentTest()
{
using (var formatter = TextFormatter.Create())
{
List <string> log = new List <string> ();
var textSource = new LoggingTextSource(log);
textSource.AddContents("test test2");
textSource.AddContents(new TextEndOfLine(1));
var textParagraphProperties = new LoggingTextParagraphProperties(log);
textParagraphProperties.alwaysCollapsible = true;
textParagraphProperties.indent = 20;
log.Clear();
var line = formatter.FormatLine(textSource, 0, 530.0, textParagraphProperties, null);
Assert.AreEqual(147.18 + 0.02 / 3.0, line.Height, "line.Height");
Assert.AreEqual(5, line.Length, "line.Length");
Assert.AreEqual(0, line.NewlineLength, "line.NewlineLength");
Assert.AreEqual(117.97, line.Baseline, 0.000000001, "line.Baseline");
Assert.AreEqual(67894 / 300.0, line.Width, 0.000000001, "line.Width");
Assert.IsFalse(line.HasOverflowed, "line.HasOverflowed");
Assert.AreEqual(78563 / 300.0, line.WidthIncludingTrailingWhitespace, 0.000000001, "line.WidthIncludingTrailingWhitespace");
AssertTextRunSpans(
new int[] { 5 },
new TextRun[] { textSource.contents[0] },
line);
Assert.IsNull(line.GetTextLineBreak(), "GetTextLineBreak");
Assert.AreEqual(0, line.Start, "line.Start");
AssertCharacterHit(line, 25.0, 0, 0);
}
}
public ChatFormatter(Typeface typeface, double fontSize, Brush foreground, IDictionary <string, Brush> palette)
{
_runProperties = new CustomTextRunProperties(typeface, fontSize, foreground, Brushes.Transparent, false);
_paraProperties = new CustomParagraphProperties(_runProperties);
_formatter = TextFormatter.Create(TextFormattingMode.Display);
_palette = palette;
}
internal static double GetFontHeight(this FrameworkElement source)
{
if (source == null)
{
throw new ArgumentNullException("source");
}
var textProperties = new TextProperties(
TextOptions.GetTextFormattingMode(source),
TextElement.GetFontFamily(source),
TextElement.GetFontStyle(source),
TextElement.GetFontWeight(source),
TextElement.GetFontStretch(source),
TextElement.GetFontSize(source));
lock ((( ICollection )s_fontHeight).SyncRoot)
{
double fontHeight;
if (!s_fontHeight.TryGetValue(textProperties, out fontHeight))
{
var formatter = TextFormatter.Create(textProperties.FormattingMode);
var typeface = new Typeface(textProperties.FontFamily, textProperties.FontStyle, textProperties.FontWeight, textProperties.FontStretch);
var textSource = new EmptyTextSource();
var textRunProperties = new EmptyTextRunProperties(typeface, textProperties.FontSize);
var textParagraphProperties = new EmptyTextParagraphProperties(textRunProperties);
var textLine = formatter.FormatLine(textSource, 0, 0d, textParagraphProperties, null);
fontHeight = textLine.Height;
s_fontHeight.Add(textProperties, fontHeight);
}
return(fontHeight);
}
}
void CreateLine()
{
TextFormatter formatter = TextFormatter.Create();
if (textSource.Text.Length == 0)
{
TextLine myTextLine = formatter.FormatLine(
textSource,
0,
this._width,
new GenericTextParagraphProperties(fontRender, this.FlowDirection, this.TextWarpping),
null);
lines.Add(myTextLine);
}
else
{
int textStorePosition = 0;
this.lines.Clear();
while (textStorePosition < textSource.Text.Length)
{
TextLine myTextLine = formatter.FormatLine(
textSource,
textStorePosition,
this._width,
new GenericTextParagraphProperties(fontRender, this.FlowDirection, this.TextWarpping),
null);
lines.Add(myTextLine);
textStorePosition += myTextLine.Length;
}
}
}
protected override void OnRender(DrawingContext drawingContext)
{
#if DEBUG
var watch = System.Diagnostics.Stopwatch.StartNew();
#endif
base.OnRender(drawingContext);
if (!string.IsNullOrEmpty(Text))
{
int textStorePosition = 0;
var position = new Point(0, 0);
var length = _TextSource.Length;
var maxWidth = this.ActualWidth;
var maxHeight = this.ActualHeight;
_TextSource.RenderWidth = maxWidth;
using (var formatter = TextFormatter.Create())
{
while (textStorePosition < length && position.Y < maxHeight)
{
using (var line = formatter.FormatLine(_TextSource,
textStorePosition, maxWidth, _TextParagraph, null))
{
line.Draw(drawingContext, position, InvertAxes.None);
position.Y += line.Height;
textStorePosition += line.Length;
}
}
}
}
#if DEBUG
watch.Stop();
System.Diagnostics.Debug.WriteLine($"OnRender ElapsedTicks:{watch.ElapsedTicks},ElapsedMilliseconds:{watch.ElapsedMilliseconds}");
#endif
}
public void OverflowTest()
{
using (var formatter = TextFormatter.Create())
{
List <string> log = new List <string> ();
var textSource = new LoggingTextSource(log);
textSource.AddContents("test test");
textSource.AddContents(new TextEndOfLine(1));
var textParagraphProperties = new LoggingTextParagraphProperties(log);
textParagraphProperties.alwaysCollapsible = true;
textParagraphProperties.textWrapping = TextWrapping.NoWrap;
log.Clear();
var line = formatter.FormatLine(textSource, 0, 256.0, textParagraphProperties, null);
Assert.AreEqual(147.18 + 0.02 / 3.0, line.Height, "line.Height");
Assert.AreEqual(10, line.Length, "line.Length");
Assert.AreEqual(1, line.NewlineLength, "line.NewlineLength");
Assert.AreEqual(117.97, line.Baseline, 0.000000001, "line.Baseline");
Assert.AreEqual(448.19, line.Width, 0.000000001, "line.Width");
Assert.IsTrue(line.HasOverflowed, "line.HasOverflowed");
Assert.AreEqual(448.19, line.WidthIncludingTrailingWhitespace, 0.000000001, "line.WidthIncludingTrailingWhitespace");
AssertTextRunSpans(
new int[] { 9, 1 },
new TextRun[] { textSource.contents[0], new TextEndOfLine(1) },
line);
Assert.IsNull(line.GetTextLineBreak(), "GetTextLineBreak");
Assert.AreEqual(0, line.Start, "line.Start");
}
}
/// <summary>
/// Creates a <see cref="TextFormatter"/> using the formatting mode used by the specified owner object.
/// </summary>
public static TextFormatter Create(DependencyObject owner)
{
if (owner == null)
{
throw new ArgumentNullException("owner");
}
return(TextFormatter.Create(TextOptions.GetTextFormattingMode(owner)));
}
public CustomStringRenderer(IOffsetBasedItem parent, TextBlock block)
{
_parent = parent;
_block = block;
_restrictedWidth = 100;
CachedLines = new List <TextLineContainer>();
_textSource = new BlockBasedTextSource(_block);
_textFormatter = TextFormatter.Create(TextFormattingMode.Display);
}
/// <summary>
/// Method for starting the text formatting process. Each event handler
/// will call this after the current fontrendering is updated.
/// </summary>
private void UpdateFormattedText(double pixelsPerDip)
{
// Make sure all UI is loaded
if (!_UILoaded)
{
return;
}
// Initialize the text store.
_textStore = new CustomTextSource(_pixelsPerDip);
int textStorePosition = 0; //Index into the text of the textsource
System.Windows.Point linePosition = new System.Windows.Point(0, 0); //current line
// Create a DrawingGroup object for storing formatted text.
textDest = new DrawingGroup();
DrawingContext dc = textDest.Open();
// Update the text store.
_textStore.Text = textToFormat.Text;
_textStore.FontRendering = _currentRendering;
// Create a TextFormatter object.
TextFormatter formatter = TextFormatter.Create();
// Format each line of text from the text store and draw it.
while (textStorePosition < _textStore.Text.Length)
{
// Create a textline from the text store using the TextFormatter object.
using (TextLine myTextLine = formatter.FormatLine(
_textStore,
textStorePosition,
96 * 6,
new GenericTextParagraphProperties(_currentRendering, _pixelsPerDip),
null))
{
// Draw the formatted text into the drawing context.
myTextLine.Draw(dc, linePosition, InvertAxes.None);
// Update the index position in the text store.
textStorePosition += myTextLine.Length;
// Update the line position coordinate for the displayed line.
linePosition.Y += myTextLine.Height;
}
}
// Persist the drawn text content.
dc.Close();
// Display the formatted text in the DrawingGroup object.
myDrawingBrush.Drawing = textDest;
}
protected TextLine GetLine(TextRunProperties runProperties, TextSource textSource, int column = 0)
{
return(TextFormatter.Create().FormatLine(
textSource,
column,
96 * 6,
new SimpleParagraphProperties {
defaultTextRunProperties = runProperties
},
null));
}
private void UpdateFormattedText()
{
// Index into the text of the TextSource object.
int textStorePosition = 0;
// The position of the current line.
Point linePosition = new Point(0, 0);
// Create a DrawingGroup object for storing formatted text.
myTextDisplay = new DrawingGroup();
DrawingContext drawingContext = myTextDisplay.Open();
// Update the text store.
customTextSource.Text = textToFormat.Text;
// <SnippetTextFormattingSnippet1>
// Create a TextFormatter object.
TextFormatter formatter = TextFormatter.Create();
// Create common paragraph property settings.
CustomTextParagraphProperties customTextParagraphProperties
= new CustomTextParagraphProperties();
// Format each line of text from the text store and draw it.
while (textStorePosition < customTextSource.Text.Length)
{
// Create a textline from the text store using the TextFormatter object.
using (TextLine myTextLine = formatter.FormatLine(
customTextSource,
textStorePosition,
96 * 6,
customTextParagraphProperties,
null))
{
// Draw the formatted text into the drawing context.
myTextLine.Draw(drawingContext, linePosition, InvertAxes.None);
// Update the index position in the text store.
textStorePosition += myTextLine.Length;
// Update the line position coordinate for the displayed line.
linePosition.Y += myTextLine.Height;
}
}
// </SnippetTextFormattingSnippet1>
// Persist the drawn text content.
drawingContext.Close();
// Display the formatted text in the DrawingGroup object.
myDrawingBrush.Drawing = myTextDisplay;
}
public TextView()
{
InitializeComponent();
Formatter = TextFormatter.Create(TextFormattingMode.Display);
this.WhenActivated(d =>
{
this.OneWayBind(ViewModel, vm => vm.Caret.Height, v => v.caret.Height).DisposeWith(d);
this.OneWayBind(ViewModel, vm => vm.Caret.Width, v => v.caret.Width).DisposeWith(d);
this.WhenAnyValue(v => v.FontFamily, v => v.FontSize, (family, size) =>
{
var typeface = new Typeface(family,
FontStyles.Normal,
FontWeights.Normal,
FontStretches.Normal);
return(new Source(typeface, size, Brushes.Black));
})
.ToPropertyEx(ViewModel, v => v.Source)
.DisposeWith(d);
this.Events().SizeChanged
.Throttle(TimeSpan.FromMilliseconds(40), RxApp.MainThreadScheduler)
.Where(args => args.HeightChanged)
.Do(args => Console.WriteLine($@"size-changed: <{args.PreviousSize}->{args.NewSize}>"))
.Subscribe(args =>
{
//--
Render();
InvalidateVisual();
})
.DisposeWith(d);
ViewModel.Document.Lines.Connect().Subscribe(changeSet =>
{
//--
Console.WriteLine($@"changeSet: <{changeSet}>");
foreach (var change in changeSet)
{
Console.WriteLine($@"change: <{change}>");
}
Render();
InvalidateVisual(); // ¯\_(ツ)_/¯
}).DisposeWith(d);
});
}
public void SingleWordTahomaTest()
{
using (var formatter = TextFormatter.Create())
{
List <string> log = new List <string> ();
var textProps = new LoggingTextRunProperties(log, "Tahoma");
textProps.typeface = new Typeface("Tahoma");
var textSource = new LoggingTextSource(log);
textSource.AddContents("test", textProps);
textSource.AddContents(new TextEndOfLine(1));
var textParagraphProperties = new LoggingTextParagraphProperties(log);
log.Clear();
var line = formatter.FormatLine(textSource, 0, 256.0, textParagraphProperties, null);
Assert.AreEqual(154.5, line.Height, "line.Height");
Assert.AreEqual(5, line.Length, "line.Length");
Assert.AreEqual(1, line.NewlineLength, "line.NewlineLength");
Assert.AreEqual(128.06 + 0.01 / 3.0, line.Baseline, "line.Baseline");
Assert.AreEqual(210.12 + 0.02 / 3.0, line.Width, 0.000000001, "line.Width");
Assert.IsFalse(line.HasOverflowed, "line.HasOverflowed");
Assert.AreEqual(210.12 + 0.02 / 3.0, line.WidthIncludingTrailingWhitespace, 0.000000001, "line.WidthIncludingTrailingWhitespace");
AssertTextRunSpans(
new int[] { 4, 1 },
new TextRun[] { textSource.contents[0], new TextEndOfLine(1) },
line);
Assert.AreEqual(new string[] {
"DefaultTextRunProperties",
"DefaultTextRunProperties.Typeface",
"DefaultTextRunProperties.FontRenderingEmSize",
"Indent",
"LineHeight",
"FlowDirection",
"AlwaysCollapsible",
"TextAlignment",
"FirstLineInParagraph",
"TextMarkerProperties",
"TextWrapping",
"GetTextRun(0)",
"Tahoma.FontRenderingEmSize",
"Tahoma.CultureInfo",
"Tahoma.Typeface",
"Tahoma.TextEffects",
"Tahoma.TextDecorations",
"GetTextRun(4)",
}, log);
Assert.IsNull(line.GetTextLineBreak(), "GetTextLineBreak");
Assert.AreEqual(0, line.Start, "line.Start");
}
}
public WpfTextFormatter(object mode)
{
if (TextFormatterFactory.TextFormattingModeProperty != null)
{
return((TextFormatter)typeof(TextFormatter).InvokeMember(
"Create",
BindingFlags.InvokeMethod | BindingFlags.Public | BindingFlags.Static,
null, null,
new object[] { mode },
CultureInfo.InvariantCulture));
}
else
{
return(TextFormatter.Create());
}
}
private void UpdateFormat()
{
var lineNumberType = _classificationTypeRegistry.GetClassificationType("line number");
_formatting = _classificationFormatMap.GetTextProperties(lineNumberType);
Background = _formatting.BackgroundBrush;
_textFormatter = _formattedLineSource.UseDisplayMode
? TextFormatter.Create(TextFormattingMode.Display)
: TextFormatter.Create(TextFormattingMode.Ideal);
NumberWidth = Enumerable.Range(0, 10).Max(x => MakeTextLine(x).Width);
_formatChanged = true;
}
public IList <TextLineVisual> CreateLineVisual(Int32 lineNumber, IList <SpaceNegotiation> spaceNegotiations)
{
IList <ClassificationSpan> classificationSpans;
Int32 startOfLineFromLineNumber = _textView.TextBuffer.GetStartOfLineFromLineNumber(lineNumber);
Int32 startOfNextLineFromPosition = _textView.TextBuffer.GetStartOfNextLineFromPosition(startOfLineFromLineNumber);
Int32 lengthOfLineFromLineNumber = _textView.TextBuffer.GetLengthOfLineFromLineNumber(lineNumber);
Int32 length = 0;
if (startOfNextLineFromPosition == startOfLineFromLineNumber)
{
length = _textView.TextBuffer.GetEndOfLineFromPosition(startOfLineFromLineNumber) - startOfLineFromLineNumber;
}
else
{
length = startOfNextLineFromPosition - startOfLineFromLineNumber;
}
if (length > 0)
{
classificationSpans = _classifier.GetClassificationSpans(new VersionedTextSpan(_textView.TextBuffer, startOfLineFromLineNumber, length));
}
else
{
classificationSpans = new List <ClassificationSpan>(0);
}
TextFormattingSource textSource = new TextFormattingSource(_textView.TextBuffer, _classificationFormatMap, startOfLineFromLineNumber, length, classificationSpans, spaceNegotiations);
if (_textFormatter == null)
{
_textFormatter = TextFormatter.Create();
}
List <TextLine> textLines = new List <TextLine>();
Int32 firstCharIndex = 0;
TextLineBreak previousLineBreak = null;
while (firstCharIndex <= length)
{
TextLine item = _textFormatter.FormatLine(textSource, firstCharIndex, this.MaxLineWidth, _paragraphProperties, previousLineBreak);
firstCharIndex += item.Length;
previousLineBreak = item.GetTextLineBreak();
textLines.Add(item);
}
List <TextLineVisual> list3 = new List <TextLineVisual>();
list3.Add(new TextLineVisual(_textView, textLines, new TextSpan(_textView.TextBuffer, startOfLineFromLineNumber, length), length - lengthOfLineFromLineNumber, textSource.VirtualCharacterPositions));
return(list3);
}
/// <summary>
/// </summary>
public CaretElement(EditorView editorView)
{
SizeChangedEventHandler handler = null;
_editorView = editorView;
_caretPlacement = CaretPlacement.LeftOfCharacter;
_insertionPoint = new TextPoint(editorView.TextBuffer, 0);
_preferredVerticalPosition = _preferredHorizontalPosition = 0;
_textViewHelper = new TextViewHelper(_editorView);
this.ConstructCaretGeometry();
TextLine line = TextFormatter.Create().FormatLine(new DefaultLineGutterTextSource("W", TextFormattingRunProperties.DefaultProperties), 0, 10, new TextFormattingParagraphProperties(), null);
_defaultOverwriteCaretWidth = line.Width;
_overwriteCaretBrush = new SolidColorBrush(Colors.Gray);
_overwriteCaretBrush.Opacity = 0.5;
DoubleAnimationUsingKeyFrames frames = new DoubleAnimationUsingKeyFrames();
frames.BeginTime = new TimeSpan((long)0);
frames.RepeatBehavior = RepeatBehavior.Forever;
frames.KeyFrames.Add(new DiscreteDoubleKeyFrame(1, KeyTime.FromPercent(0)));
Int32 caretBlinkTime = User32.GetCaretBlinkTime();
if (caretBlinkTime > 0)
{
frames.KeyFrames.Add(new DiscreteDoubleKeyFrame(0, KeyTime.FromPercent(0.5)));
}
else
{
caretBlinkTime = 500;
}
frames.Duration = new Duration(new TimeSpan(0, 0, 0, 0, caretBlinkTime * 2));
_blinkAnimationClock = frames.CreateClock();
base.ApplyAnimationClock(UIElement.OpacityProperty, _blinkAnimationClock);
this.PositionChanged = (EventHandler <CaretPositionChangedEventArgs>)Delegate.Combine(this.PositionChanged, new EventHandler <CaretPositionChangedEventArgs>(this.CaretElement_PositionChanged));
if (handler == null)
{
handler = delegate
{
this.ConstructCaretGeometry();
};
}
base.SizeChanged += handler;
base.IsVisibleChanged += new DependencyPropertyChangedEventHandler(this.UIElement_VisibleChanged);
this.OverwriteMode = false;
}
protected override Size MeasureOverride(Size availableSize)
{
#if DEBUG
var watch = System.Diagnostics.Stopwatch.StartNew();
#endif
var size = base.MeasureOverride(availableSize);
var length = _TextSource.Length;
using (var formatter = TextFormatter.Create())
{
if (length > 0)
{
int textStorePosition = 0;
var maxWidth = double.IsInfinity(availableSize.Width) ?
10000 : availableSize.Width;
var position = new Point(0, 0);
_TextSource.RenderWidth = maxWidth;
while (textStorePosition < length && size.Height < availableSize.Height)
{
using (var line = formatter.FormatLine(_TextSource, textStorePosition,
maxWidth, _TextParagraph, null))
{
size.Width = Math.Max(size.Width, line.Width);
size.Height += line.Height;
textStorePosition += line.Length;
}
}
}
else
{
using (var line = formatter.FormatLine(_TextSource, 0, 0, _TextParagraph, null))
{
size.Height = line.Height;
}
}
}
#if DEBUG
watch.Stop();
Debug.WriteLine($"MeasureOverride ElapsedTicks:{watch.ElapsedTicks},ElapsedMilliseconds:{watch.ElapsedMilliseconds}");
#endif
return(size);
}
public override void Perform()
{
TextFormatter formatter = TextFormatter.Create();
ListBox listBox = new ListBox();
DoubleAnimation anim = new DoubleAnimation(MinScale, MaxScale, TimeSpan.FromMilliseconds(AnimTime));
anim.AutoReverse = true;
ScaleTransform st = new ScaleTransform(MinScale, MinScale);
for (int i = 0; i < TextToFormat.Length; i++)
{
TextSource.Text = TextToFormat[i];
DrawingGroup drawingGroup = new DrawingGroup();
DrawingContext dc = drawingGroup.Open();
dc.PushTransform(st);
GenerateFormattedText(TextSource, dc, formatter);
dc.Close();
Image image = new Image();
DrawingImage drawingImage = new DrawingImage(drawingGroup);
image.Source = drawingImage;
image.Stretch = Stretch.None;
image.HorizontalAlignment = HorizontalAlignment.Left;
image.VerticalAlignment = VerticalAlignment.Top;
image.Margin = new Thickness(1, 1, 1, 10);
listBox.Items.Add(image);
}
st.BeginAnimation(ScaleTransform.ScaleXProperty, anim);
st.BeginAnimation(ScaleTransform.ScaleYProperty, anim);
WindowSource.Width = Microsoft.Test.Display.Monitor.Dpi.x * 9; // 9"
WindowSource.Height = Microsoft.Test.Display.Monitor.Dpi.y * 6; // 6"
listBox.Height = WindowSource.Height;
WindowSource.Content = listBox;
DispatcherHelper.DoEvents(AnimTime * 2);
}
public void Render(int startPos, int count)
{
DrawingContext dc = RenderOpen();
if (_textStore != null && count > 0)
{
_textStore.LastRenderColumn = startPos + count;
// Create a TextFormatter object.
TextFormatter formatter = TextFormatter.Create();
// Format each line of text from the text store and draw it.
// Create a textline from the text store using the TextFormatter object.
using (var myTextLine = formatter.FormatLine(_textStore, startPos, 0, _paragraphProps, null))
{
// Draw the formatted text into the drawing context.
myTextLine.Draw(dc, new Point(), InvertAxes.None);
}
}
dc.Close();
}
public void EmptyLineTest()
{
using (var formatter = TextFormatter.Create())
{
List <string> log = new List <string> ();
var textSource = new LoggingTextSource(log);
textSource.AddContents(new TextEndOfLine(1));
var textParagraphProperties = new LoggingTextParagraphProperties(log);
Assert.AreEqual(2355 / 2048.0, textParagraphProperties.DefaultTextRunProperties.Typeface.FontFamily.LineSpacing);
log.Clear();
var line = formatter.FormatLine(textSource, 0, 256.0, textParagraphProperties, null);
Assert.AreEqual(147.18 + 0.02 / 3.0, line.Height, "line.Height");
Assert.AreEqual(1, line.Length, "line.Length");
Assert.AreEqual(1, line.NewlineLength, "line.NewlineLength");
Assert.AreEqual(117.97, line.Baseline, 0.000000001, "line.Baseline");
Assert.AreEqual(0, line.Width, "line.Width");
Assert.IsFalse(line.HasOverflowed, "line.HasOverflowed");
Assert.AreEqual(0, line.WidthIncludingTrailingWhitespace, "line.WidthIncludingTrailingWhitespace");
AssertTextRunSpans(
new int[] { 1 },
new TextRun[] { new TextEndOfLine(1) },
line);
Assert.AreEqual(new string[] {
"DefaultTextRunProperties",
"DefaultTextRunProperties.Typeface",
"DefaultTextRunProperties.FontRenderingEmSize",
"Indent",
"LineHeight",
"FlowDirection",
"AlwaysCollapsible",
"TextAlignment",
"FirstLineInParagraph",
"TextMarkerProperties",
"TextWrapping",
"GetTextRun(0)",
}, log);
Assert.IsNull(line.GetTextLineBreak(), "GetTextLineBreak");
Assert.AreEqual(0, line.Start, "line.Start");
}
}
public void EmptyLineCollapsibleTest()
{
using (var formatter = TextFormatter.Create())
{
List <string> log = new List <string> ();
var textSource = new LoggingTextSource(log);
textSource.AddContents(new TextEndOfLine(1));
var textParagraphProperties = new LoggingTextParagraphProperties(log);
textParagraphProperties.alwaysCollapsible = true;
Assert.AreEqual(2355 / 2048.0, textParagraphProperties.DefaultTextRunProperties.Typeface.FontFamily.LineSpacing);
log.Clear();
var line = formatter.FormatLine(textSource, 0, 256.0, textParagraphProperties, null);
Assert.AreEqual(147.18 + 0.02 / 3.0, line.Height, "line.Height");
Assert.AreEqual(1, line.Length, "line.Length");
Assert.AreEqual(1, line.NewlineLength, "line.NewlineLength");
Assert.AreEqual(117.97, line.Baseline, 0.000000001, "line.Baseline");
Assert.AreEqual(0, line.Width, "line.Width");
Assert.IsFalse(line.HasOverflowed, "line.HasOverflowed");
Assert.AreEqual(0, line.WidthIncludingTrailingWhitespace, "line.WidthIncludingTrailingWhitespace");
AssertTextRunSpans(
new int[] { 1 },
new TextRun[] { new TextEndOfLine(1) },
line);
Assert.IsNull(line.GetTextLineBreak(), "GetTextLineBreak");
Assert.AreEqual(0, line.Start, "line.Start");
var glyphRuns = new List <IndexedGlyphRun>(line.GetIndexedGlyphRuns());
Assert.AreEqual(0, glyphRuns.Count);
AssertCharacterHit(line, -1.0, 0, 0);
AssertCharacterHit(line, 0.0, 0, 0);
AssertCharacterHit(line, 1.0, 0, 0);
var tb = line.GetTextBounds(0, 1);
Assert.AreEqual(1, tb.Count, "TextBounds.Count");
Assert.AreEqual(FlowDirection.LeftToRight, tb[0].FlowDirection, "TextBounds.FlowDirection");
Assert.AreEqual(new Rect(0, 0, 0, 44156 / 300.0), tb[0].Rectangle, "TextBounds.Rectangle");
Assert.IsNull(tb[0].TextRunBounds, "TextBounds.TextRunBounds");
AssertCharacterHit(0, 0, line.GetPreviousCaretCharacterHit(new CharacterHit(0, 0)), "previous 0,0");
AssertCharacterHit(0, 0, line.GetNextCaretCharacterHit(new CharacterHit(0, 0)), "next 0,0");
}
}
public DrawingVisualText()
{
this.textFormatter = TextFormatter.Create(TextFormattingMode.Display);
this.textSource = new DefaultTextSource();
this.textParagraphProperties = new DefaultTextParagraphProperties();
}
private void Render(Point location, string colour)
{
int textStorePosition = 0;
bool flipped;
Position = location;
if (ParentAtom == null)
{
flipped = false;
}
else
{
flipped = Flipped;
}
var textStore = new FunctionalGroupTextSource(ParentGroup, colour, flipped);
//main textformatter - this does the writing of the visual
using (TextFormatter textFormatter = TextFormatter.Create())
{
//set up the default paragraph properties
var paraprops = new FunctionalGroupTextSource.GenericTextParagraphProperties(
FlowDirection.LeftToRight,
TextAlignment.Left,
true,
false,
new LabelTextRunProperties(colour),
TextWrapping.NoWrap,
GlyphText.SymbolSize,
0d);
var anchorRuns = textStore.Runs.Where(f => f.IsAnchor);
string anchorString = string.Empty;
foreach (var run in anchorRuns)
{
anchorString += run.Text;
}
using (TextLine myTextLine =
textFormatter.FormatLine(textStore, textStorePosition, 999, paraprops, null))
{
IList <TextBounds> textBounds;
Rect firstRect = Rect.Empty;
if (!Flipped) //isolate them at the beginning
{
textBounds = myTextLine.GetTextBounds(0, anchorString.Length);
}
else
{
//isolate them at the end
var start = myTextLine.Length - 1 - anchorString.Length;
textBounds = myTextLine.GetTextBounds(start, anchorString.Length);
}
//add all the bounds together
foreach (TextBounds anchorBound in textBounds)
{
firstRect.Union(anchorBound.Rectangle);
}
//center will be position close to the origin 0,0
Point center = new Point((firstRect.Left + firstRect.Right) / 2,
(firstRect.Top + firstRect.Bottom) / 2);
//the displacement vector will be added to each relative coordinate for the glyph run
var displacementVector = location - center;
//locus is where the text line is drawn
var locus = new Point(0, 0) + displacementVector;
textBounds = myTextLine.GetTextBounds(0, 999);
var obb = textBounds[0].Rectangle;
//draw the line of text
using (DrawingContext dc = RenderOpen())
{
myTextLine.Draw(dc, locus, InvertAxes.None);
#if DEBUG
#if SHOWBOUNDS
obb.Offset(new Vector(locus.X, locus.Y));
dc.DrawRectangle(null, new Pen(new SolidColorBrush(Colors.BlueViolet), 1.0), obb);
#endif
#endif
var glyphRuns = myTextLine.GetIndexedGlyphRuns();
List <Point> outline = new List <Point>();
double advanceWidths = 0d;
//build up the convex hull from each glyph
//you need to add in the advance widths for each
//glyph run as they are traversed,
//to the outline
foreach (IndexedGlyphRun igr in glyphRuns)
{
var originalRun = textStore.GetTextRun(igr.TextSourceCharacterIndex);
var currentRun = igr.GlyphRun;
//need to work out how much the current run has been offset from the baseline
var runBounds =
myTextLine.GetTextBounds(igr.TextSourceCharacterIndex, igr.TextSourceLength);
//get the bounding rect
var rect = runBounds[0].TextRunBounds[0].Rectangle;
//it's relative to the baseline
//adjust it
rect.Offset(new Vector(locus.X, locus.Y));
var rectCopy = rect;
#if DEBUG
#if SHOWBOUNDS
dc.DrawRectangle(null, new Pen(new SolidColorBrush(Colors.DarkOrange), 1.0), rect);
#endif
#endif
var runOutline = GlyphUtils.GetOutline(currentRun);
//need to see if the run has been super or sub-scripted
var variants = originalRun.Properties.TypographyProperties.Variants;
if (variants == FontVariants.Subscript || variants == FontVariants.Superscript)
{
//simply union in the rect -it's easier!
outline.AddRange(new[]
{
rectCopy.BottomLeft, rectCopy.BottomRight, rectCopy.TopLeft,
rectCopy.TopRight
});
}
else
{
//add in the points from the convex hull
for (int i = 0; i < runOutline.Count; i++)
{
var point = runOutline[i] + displacementVector +
new Vector(0.0, myTextLine.Baseline);
point.X += advanceWidths;
runOutline[i] = point;
}
outline.AddRange(runOutline);
}
advanceWidths += currentRun.AdvanceWidths.Sum();
}
_sortedOutline = (from Point p in outline
orderby p.X ascending, p.Y descending
select p).ToList();
Hull = Geometry <Point> .GetHull(_sortedOutline, p => p);
// Diag: Show Hulls or Atom centres
#if DEBUG
#if SHOWHULLS
dc.DrawGeometry(null, new Pen(Brushes.GreenYellow, thickness: 1), HullGeometry);
#endif
#if SHOWATOMCENTRES
dc.DrawEllipse(Brushes.Red, null, ParentAtom.Position, 5, 5);
#endif
#endif
// End Diag
dc.Close();
}
}
}
}
//public void FormatItemText(ItemText item)
//{
// FormatParagraph(item.Paragraph);
//}
public void FormatNote()
{
string formattedText = "";
if (_note.Introduction != null && _note.Introduction.Paragraph != null)
{
_introduction = _note.Introduction.Paragraph;
}
if (_note.Textblock != null)
{
_textblocks = _note.Textblock;
}
if (_introduction.ParagraphText != null)
{
//string formattedIntroduction += LoopThrough(_introduction.ParagraphText);
foreach (var paragraphItem in _introduction.ParagraphText)
{
if (paragraphItem.GetType() == typeof(string))
{
//formattedIntroduction += FormatParagraphText(paragraphItem);
}
else
{
}
}
}
DrawingGroup textDest = new DrawingGroup();
DrawingContext dc = textDest.Open();
//_textStore.Text = textToFormat.Text;
_textStore.FontRendering = _currentRendering;
TextFormatter formatter = TextFormatter.Create();
//while (textStorePosition < _textStore.Text.Length)
//{
// using (TextLine myTextLine = formatter.FormatLine(
// _textStore,
// textStorePosition,
// 96*6,
// new GenericTextParagraphProperties(_currentRendering),
// null))
// {
// myTextLine.Draw(dc, linePosition, InvertAxes.None);
// textStorePosition += myTextLine.Length;
// linePosition.Y += myTextLine.Height;
// }
//}
dc.Close();
//myDrawingBrush.Drawing = textDest;
//return formattedNote;
}
TextFormatterProvider()
{
idealModeTextFormatter = TextFormatter.Create(TextFormattingMode.Ideal);
displayModeTextFormatter = TextFormatter.Create(TextFormattingMode.Display);
}
