internal void Reset()
{
_Runs.Clear();
_States.Clear();
_Alignment = Alignment.Stretch;
_Indentation = DefaultIndentation;
_Leading = DefaultLeading;
_Spacing = DefaultSpacing;
_Tracking = DefaultTracking;
_Text.Clear();
_ActiveCulture = DefaultCulture;
_ActiveFamily = DefaultFamily;
_ActivePointSize = DefaultPointSize;
_ActiveHAlignment = Alignment.Stretch;
_ActiveVAlignment = Alignment.Stretch;
_ActiveInline = Size.Empty;
_ActiveTextRange = IndexedRange.Empty;
_ActiveStretch = FontStretch.Regular;
_ActiveStyle = FontStyle.Regular;
_ActiveWeight = FontWeight.Regular;
_ActiveFeatures = null;
}
public Builder WithFeatures(FontFeatureCollection features)
{
Contract.Ensures(Contract.Result<Builder>() != null);
_ActiveFeatures = features;
return this;
}
public Builder ResetState()
{
Contract.Ensures(Contract.Result<Builder>() != null);
_ActiveTextRange = IndexedRange.Empty;
_ActiveCulture = DefaultCulture;
_ActiveFamily = DefaultFamily;
_ActiveFeatures = null;
_ActivePointSize = DefaultPointSize;
_ActiveStretch = FontStretch.Regular;
_ActiveStyle = FontStyle.Regular;
_ActiveWeight = FontWeight.Regular;
_ActiveInline = Size.Empty;
_ActiveHAlignment = Alignment.Stretch;
_ActiveVAlignment = Alignment.Stretch;
return this;
}
public Builder RestoreState()
{
Contract.Ensures(Contract.Result<Builder>() != null);
TextRun activeState = _States.Pop();
_ActiveTextRange = activeState.TextRange;
_ActiveCulture = activeState.Culture;
_ActiveFamily = activeState.Family;
_ActiveFeatures = activeState.Features;
_ActivePointSize = activeState.PointSize;
_ActiveStretch = activeState.Stretch;
_ActiveStyle = activeState.Style;
_ActiveWeight = activeState.Weight;
_ActiveInline = activeState.Inline;
_ActiveHAlignment = activeState.HAlignment;
_ActiveVAlignment = activeState.VAlignment;
return this;
}
/// <summary>
/// This method applies the given font features to a range of characters.
/// </summary>
/// <param name="textRange"> This parameter indicates the range of characters to modify. </param>
/// <param name="features"> This parameter references the collection of font features to apply to the range. </param>
public void SetFeatures(IndexedRange textRange, FontFeatureCollection features)
{
Contract.Assert(textRange.IsWithin(_OutputSink.FullText));
foreach(int index in textRange)
{
_OutputSink.Characters[index].Features = features;
}
}