// Token: 0x0600660E RID: 26126 RVA: 0x001CB324 File Offset: 0x001C9524
internal static TextDecorationCollection GetTextDecorationsForInlineObject(DependencyObject element, TextDecorationCollection textDecorations)
{
DependencyObject parent = LogicalTreeHelper.GetParent(element);
TextDecorationCollection textDecorationCollection = null;
if (parent != null)
{
textDecorationCollection = DynamicPropertyReader.GetTextDecorations(parent);
}
if (!((textDecorations == null) ? (textDecorationCollection == null) : textDecorations.ValueEquals(textDecorationCollection)))
{
if (textDecorationCollection == null)
{
textDecorations = null;
}
else
{
textDecorations = new TextDecorationCollection();
int count = textDecorationCollection.Count;
for (int i = 0; i < count; i++)
{
textDecorations.Add(textDecorationCollection[i]);
}
}
}
return(textDecorations);
}
// Token: 0x06006607 RID: 26119 RVA: 0x001CB000 File Offset: 0x001C9200
private TextRun HandleElementStartEdge(StaticTextPointer position)
{
TextElement textElement = (TextElement)position.GetAdjacentElement(LogicalDirection.Forward);
TextRun result;
if (textElement is LineBreak)
{
result = new TextEndOfLine(ComplexLine._elementEdgeCharacterLength * 2);
}
else if (textElement.IsEmpty)
{
TextRunProperties textRunProperties = new TextProperties(textElement, position, false, true, base.PixelsPerDip);
char[] array = new char[ComplexLine._elementEdgeCharacterLength * 2];
array[0] = '';
array[1] = '';
result = new TextCharacters(array, 0, array.Length, textRunProperties);
}
else
{
Inline inline = textElement as Inline;
if (inline == null)
{
result = new TextHidden(ComplexLine._elementEdgeCharacterLength);
}
else
{
DependencyObject parent = inline.Parent;
FlowDirection flowDirection = inline.FlowDirection;
FlowDirection flowDirection2 = flowDirection;
if (parent != null)
{
flowDirection2 = (FlowDirection)parent.GetValue(FrameworkElement.FlowDirectionProperty);
}
TextDecorationCollection textDecorations = DynamicPropertyReader.GetTextDecorations(inline);
if (flowDirection != flowDirection2)
{
if (textDecorations == null || textDecorations.Count == 0)
{
result = new TextSpanModifier(ComplexLine._elementEdgeCharacterLength, null, null, flowDirection);
}
else
{
result = new TextSpanModifier(ComplexLine._elementEdgeCharacterLength, textDecorations, inline.Foreground, flowDirection);
}
}
else if (textDecorations == null || textDecorations.Count == 0)
{
result = new TextHidden(ComplexLine._elementEdgeCharacterLength);
}
else
{
result = new TextSpanModifier(ComplexLine._elementEdgeCharacterLength, textDecorations, inline.Foreground);
}
}
}
return(result);
}
internal TextProperties(DependencyObject target, StaticTextPointer position, bool inlineObjects, bool getBackground, double pixelsPerDip)
{
// if none of the number substitution properties have changed, we may be able to
// initialize the _numberSubstitution field to a known default value
FrameworkContentElement fce = target as FrameworkContentElement;
if (fce != null)
{
if (!fce.HasNumberSubstitutionChanged)
{
_numberSubstitution = FrameworkContentElement.DefaultNumberSubstitution;
}
}
else
{
FrameworkElement fe = target as FrameworkElement;
if (fe != null && !fe.HasNumberSubstitutionChanged)
{
_numberSubstitution = FrameworkElement.DefaultNumberSubstitution;
}
}
PixelsPerDip = pixelsPerDip;
InitCommon(target);
_typographyProperties = GetTypographyProperties(target);
if (!inlineObjects)
{
_baselineAlignment = DynamicPropertyReader.GetBaselineAlignment(target);
if (!position.IsNull)
{
TextDecorationCollection highlightDecorations = GetHighlightTextDecorations(position);
if (highlightDecorations != null)
{
// Highlights (if present) take precedence over property value TextDecorations.
_textDecorations = highlightDecorations;
}
}
if (getBackground)
{
_backgroundBrush = DynamicPropertyReader.GetBackgroundBrush(target);
}
}
else
{
_baselineAlignment = DynamicPropertyReader.GetBaselineAlignmentForInlineObject(target);
_textDecorations = DynamicPropertyReader.GetTextDecorationsForInlineObject(target, _textDecorations);
if (getBackground)
{
_backgroundBrush = DynamicPropertyReader.GetBackgroundBrushForInlineObject(position);
}
}
}
// Token: 0x06006617 RID: 26135 RVA: 0x001CB4C8 File Offset: 0x001C96C8
internal static Brush GetBackgroundBrush(DependencyObject element)
{
Brush brush = null;
while (brush == null && DynamicPropertyReader.CanApplyBackgroundBrush(element))
{
brush = (Brush)element.GetValue(TextElement.BackgroundProperty);
Invariant.Assert(element is FrameworkContentElement);
element = ((FrameworkContentElement)element).Parent;
}
return(brush);
}
// Token: 0x060066A0 RID: 26272 RVA: 0x001CCD18 File Offset: 0x001CAF18
private void InitCommon(DependencyObject target)
{
this._typeface = DynamicPropertyReader.GetTypeface(target);
this._fontSize = (double)target.GetValue(TextElement.FontSizeProperty);
this._foreground = (Brush)target.GetValue(TextElement.ForegroundProperty);
this._textEffects = DynamicPropertyReader.GetTextEffects(target);
this._cultureInfo = DynamicPropertyReader.GetCultureInfo(target);
this._textDecorations = DynamicPropertyReader.GetTextDecorations(target);
if (this._numberSubstitution == null)
{
this._numberSubstitution = DynamicPropertyReader.GetNumberSubstitution(target);
}
}
// Token: 0x0600669E RID: 26270 RVA: 0x001CCBB0 File Offset: 0x001CADB0
internal TextProperties(DependencyObject target, StaticTextPointer position, bool inlineObjects, bool getBackground, double pixelsPerDip)
{
FrameworkContentElement frameworkContentElement = target as FrameworkContentElement;
if (frameworkContentElement != null)
{
if (!frameworkContentElement.HasNumberSubstitutionChanged)
{
this._numberSubstitution = FrameworkContentElement.DefaultNumberSubstitution;
}
}
else
{
FrameworkElement frameworkElement = target as FrameworkElement;
if (frameworkElement != null && !frameworkElement.HasNumberSubstitutionChanged)
{
this._numberSubstitution = FrameworkElement.DefaultNumberSubstitution;
}
}
base.PixelsPerDip = pixelsPerDip;
this.InitCommon(target);
this._typographyProperties = TextProperties.GetTypographyProperties(target);
if (!inlineObjects)
{
this._baselineAlignment = DynamicPropertyReader.GetBaselineAlignment(target);
if (!position.IsNull)
{
TextDecorationCollection highlightTextDecorations = TextProperties.GetHighlightTextDecorations(position);
if (highlightTextDecorations != null)
{
this._textDecorations = highlightTextDecorations;
}
}
if (getBackground)
{
this._backgroundBrush = DynamicPropertyReader.GetBackgroundBrush(target);
return;
}
}
else
{
this._baselineAlignment = DynamicPropertyReader.GetBaselineAlignmentForInlineObject(target);
this._textDecorations = DynamicPropertyReader.GetTextDecorationsForInlineObject(target, this._textDecorations);
if (getBackground)
{
this._backgroundBrush = DynamicPropertyReader.GetBackgroundBrushForInlineObject(position);
}
}
}
// Token: 0x06006619 RID: 26137 RVA: 0x001CB564 File Offset: 0x001C9764
internal static BaselineAlignment GetBaselineAlignment(DependencyObject element)
{
Inline inline = element as Inline;
BaselineAlignment result = (inline != null) ? inline.BaselineAlignment : BaselineAlignment.Baseline;
while (inline != null && DynamicPropertyReader.BaselineAlignmentIsDefault(inline))
{
inline = (inline.Parent as Inline);
}
if (inline != null)
{
result = inline.BaselineAlignment;
}
return(result);
}
// Token: 0x0600666B RID: 26219 RVA: 0x001CC33C File Offset: 0x001CA53C
internal MarkerProperties(List list, int index)
{
this._offset = list.MarkerOffset;
if (double.IsNaN(this._offset))
{
double lineHeightValue = DynamicPropertyReader.GetLineHeightValue(list);
this._offset = -0.5 * lineHeightValue;
}
else
{
this._offset = -this._offset;
}
this._style = list.MarkerStyle;
this._index = index;
}
// ------------------------------------------------------------------
// Fetch the next run at element close edge position.
//
// position - current position in the text array
// ------------------------------------------------------------------
private TextRun HandleElementEndEdge(StaticTextPointer position)
{
Debug.Assert(position.GetPointerContext(LogicalDirection.Forward) == TextPointerContext.ElementEnd, "TextPointer does not point to element end edge.");
TextRun run = null;
TextElement element = (TextElement)position.GetAdjacentElement(LogicalDirection.Forward);
Debug.Assert(element != null, "Element should be here.");
Inline inline = element as Inline;
if (inline == null)
{
run = new TextHidden(_elementEdgeCharacterLength);
}
else
{
DependencyObject parent = inline.Parent;
FlowDirection parentFlowDirection = inline.FlowDirection;
if (parent != null)
{
parentFlowDirection = (FlowDirection)parent.GetValue(FrameworkElement.FlowDirectionProperty);
}
if (inline.FlowDirection != parentFlowDirection)
{
run = new TextEndOfSegment(_elementEdgeCharacterLength);
}
else
{
TextDecorationCollection textDecorations = DynamicPropertyReader.GetTextDecorations(inline);
if (textDecorations == null || textDecorations.Count == 0)
{
// (2) End of inline element, hide CloseEdge character and continue
run = new TextHidden(_elementEdgeCharacterLength);
}
else
{
run = new TextEndOfSegment(_elementEdgeCharacterLength);
}
}
}
return(run);
}
// assigns values to all fields except for _typographyProperties, _baselineAlignment,
// and _background, which are set appropriately in each constructor
private void InitCommon(DependencyObject target)
{
_typeface = DynamicPropertyReader.GetTypeface(target);
_fontSize = (double)target.GetValue(TextElement.FontSizeProperty);
_foreground = (Brush)target.GetValue(TextElement.ForegroundProperty);
_textEffects = DynamicPropertyReader.GetTextEffects(target);
_cultureInfo = DynamicPropertyReader.GetCultureInfo(target);
_textDecorations = DynamicPropertyReader.GetTextDecorations(target);
// as an optimization, we may have already initialized _numberSubstitution to a default
// value if none of the NumberSubstitution dependency properties have changed
if (_numberSubstitution == null)
{
_numberSubstitution = DynamicPropertyReader.GetNumberSubstitution(target);
}
}
/// <summary>
/// Constructor.
/// </summary>
/// <remarks>
/// The listWidth parameter gives the width of the list element, and is used to clip the MarkerOffset value
/// </remarks>
internal MarkerProperties(List list, int index)
{
_offset = list.MarkerOffset;
// Negative value for offset because it is required by TextFormatter line box model.
// If offset is NaN - default value - set it as 0.5 * line height
if (Double.IsNaN(_offset))
{
// Obtain list's line height to set defualt marker offsert
double lineHeight = DynamicPropertyReader.GetLineHeightValue(list);
_offset = -0.5 * lineHeight;
}
else
{
_offset = -_offset;
}
_style = list.MarkerStyle;
_index = index;
}
// Token: 0x06006600 RID: 26112 RVA: 0x001CAB08 File Offset: 0x001C8D08
public override TextSpan <CultureSpecificCharacterBufferRange> GetPrecedingText(int dcp)
{
int num = 0;
CharacterBufferRange empty = CharacterBufferRange.Empty;
CultureInfo culture = null;
if (dcp > 0)
{
ITextPointer textPointer = this._owner.TextContainer.CreatePointerAtOffset(dcp, LogicalDirection.Backward);
while (textPointer.GetPointerContext(LogicalDirection.Backward) != TextPointerContext.Text && textPointer.CompareTo(this._owner.TextContainer.Start) != 0)
{
textPointer.MoveByOffset(-1);
num++;
}
string textInRun = textPointer.GetTextInRun(LogicalDirection.Backward);
empty = new CharacterBufferRange(textInRun, 0, textInRun.Length);
StaticTextPointer staticTextPointer = textPointer.CreateStaticPointer();
DependencyObject element = (staticTextPointer.Parent != null) ? staticTextPointer.Parent : this._owner;
culture = DynamicPropertyReader.GetCultureInfo(element);
}
return(new TextSpan <CultureSpecificCharacterBufferRange>(num + empty.Length, new CultureSpecificCharacterBufferRange(culture, empty)));
}
// Token: 0x06006608 RID: 26120 RVA: 0x001CB13C File Offset: 0x001C933C
private TextRun HandleElementEndEdge(StaticTextPointer position)
{
TextElement textElement = (TextElement)position.GetAdjacentElement(LogicalDirection.Forward);
Inline inline = textElement as Inline;
TextRun result;
if (inline == null)
{
result = new TextHidden(ComplexLine._elementEdgeCharacterLength);
}
else
{
DependencyObject parent = inline.Parent;
FlowDirection flowDirection = inline.FlowDirection;
if (parent != null)
{
flowDirection = (FlowDirection)parent.GetValue(FrameworkElement.FlowDirectionProperty);
}
if (inline.FlowDirection != flowDirection)
{
result = new TextEndOfSegment(ComplexLine._elementEdgeCharacterLength);
}
else
{
TextDecorationCollection textDecorations = DynamicPropertyReader.GetTextDecorations(inline);
if (textDecorations == null || textDecorations.Count == 0)
{
result = new TextHidden(ComplexLine._elementEdgeCharacterLength);
}
else
{
result = new TextEndOfSegment(ComplexLine._elementEdgeCharacterLength);
}
}
}
return(result);
}
// ------------------------------------------------------------------
// Get text immediately before specified text source position.
// ------------------------------------------------------------------
public override TextSpan <CultureSpecificCharacterBufferRange> GetPrecedingText(int dcp)
{
// Parameter validation
Debug.Assert(dcp >= 0);
int nonTextLength = 0;
CharacterBufferRange precedingText = CharacterBufferRange.Empty;
CultureInfo culture = null;
if (dcp > 0)
{
// Create TextPointer at dcp
ITextPointer position = _owner.TextContainer.CreatePointerAtOffset(dcp, LogicalDirection.Backward);
// Move backward until we find a position at the end of a text run, or reach start of TextContainer
while (position.GetPointerContext(LogicalDirection.Backward) != TextPointerContext.Text &&
position.CompareTo(_owner.TextContainer.Start) != 0)
{
position.MoveByOffset(-1);
nonTextLength++;
}
// Return text in run. If it is at start of TextContainer this will return an empty string
string precedingTextString = position.GetTextInRun(LogicalDirection.Backward);
precedingText = new CharacterBufferRange(precedingTextString, 0, precedingTextString.Length);
StaticTextPointer pointer = position.CreateStaticPointer();
DependencyObject element = (pointer.Parent != null) ? pointer.Parent : _owner;
culture = DynamicPropertyReader.GetCultureInfo(element);
}
return(new TextSpan <CultureSpecificCharacterBufferRange>(
nonTextLength + precedingText.Length,
new CultureSpecificCharacterBufferRange(culture, precedingText)
));
}
// Token: 0x0600661A RID: 26138 RVA: 0x001CB5A9 File Offset: 0x001C97A9
internal static BaselineAlignment GetBaselineAlignmentForInlineObject(DependencyObject element)
{
return(DynamicPropertyReader.GetBaselineAlignment(LogicalTreeHelper.GetParent(element)));
}
// ------------------------------------------------------------------
// Fetch the next run at element open edge position.
//
// position - current position in the text array
// ------------------------------------------------------------------
private TextRun HandleElementStartEdge(StaticTextPointer position)
{
Debug.Assert(position.GetPointerContext(LogicalDirection.Forward) == TextPointerContext.ElementStart, "TextPointer does not point to element start edge.");
//
TextRun run = null;
TextElement element = (TextElement)position.GetAdjacentElement(LogicalDirection.Forward);
Debug.Assert(element != null, "Cannot use ITextContainer that does not provide TextElement instances.");
if (element is LineBreak)
{
run = new TextEndOfLine(_elementEdgeCharacterLength * 2);
}
else if (element.IsEmpty)
{
// Empty TextElement should affect line metrics.
// TextFormatter does not support this feature right now, so as workaround
// TextRun with ZERO WIDTH SPACE is used.
TextRunProperties textProps = new TextProperties(element, position, false /* inline objects */, true /* get background */);
char[] textBuffer = new char[_elementEdgeCharacterLength * 2];
textBuffer[0] = (char)0x200B;
textBuffer[1] = (char)0x200B;
run = new TextCharacters(textBuffer, 0, textBuffer.Length, textProps);
}
else
{
Inline inline = element as Inline;
if (inline == null)
{
run = new TextHidden(_elementEdgeCharacterLength);
}
else
{
DependencyObject parent = inline.Parent;
FlowDirection inlineFlowDirection = inline.FlowDirection;
FlowDirection parentFlowDirection = inlineFlowDirection;
if (parent != null)
{
parentFlowDirection = (FlowDirection)parent.GetValue(FrameworkElement.FlowDirectionProperty);
}
TextDecorationCollection inlineTextDecorations = DynamicPropertyReader.GetTextDecorations(inline);
if (inlineFlowDirection != parentFlowDirection)
{
// Inline's flow direction is different from its parent. Need to create new TextSpanModifier with flow direction
if (inlineTextDecorations == null || inlineTextDecorations.Count == 0)
{
run = new TextSpanModifier(
_elementEdgeCharacterLength,
null,
null,
inlineFlowDirection
);
}
else
{
run = new TextSpanModifier(
_elementEdgeCharacterLength,
inlineTextDecorations,
inline.Foreground,
inlineFlowDirection
);
}
}
else
{
if (inlineTextDecorations == null || inlineTextDecorations.Count == 0)
{
run = new TextHidden(_elementEdgeCharacterLength);
}
else
{
run = new TextSpanModifier(
_elementEdgeCharacterLength,
inlineTextDecorations,
inline.Foreground
);
}
}
}
}
return(run);
}
// Token: 0x06006610 RID: 26128 RVA: 0x001CB39F File Offset: 0x001C959F
internal static TextEffectCollection GetTextEffects(DependencyObject element)
{
return(DynamicPropertyReader.GetCollectionValue(element, TextElement.TextEffectsProperty) as TextEffectCollection);
}
// Token: 0x0600660F RID: 26127 RVA: 0x001CB38D File Offset: 0x001C958D
internal static TextDecorationCollection GetTextDecorations(DependencyObject element)
{
return(DynamicPropertyReader.GetCollectionValue(element, Inline.TextDecorationsProperty) as TextDecorationCollection);
}
