/// <summary>
/// Client to collapse the line to fit for display
/// </summary>
/// <param name="collapsingPropertiesList">a list of collapsing properties</param>
public override TextLine Collapse(
params TextCollapsingProperties[] collapsingPropertiesList
)
{
if (!HasOverflowed)
return this;
Invariant.Assert(_settings != null);
// instantiate a collapsible full text line, collapse it and return the collapsed line
TextMetrics.FullTextLine textLine = new TextMetrics.FullTextLine(
_settings,
_cpFirst,
0, // lineLength
TextFormatterImp.RealToIdeal(_paragraphWidth),
LineFlags.None
);
// When in TextFormattingMode.Display the math processing performed by SimpleTextLine
// involves some rounding operations because of which the decision to collapse the text may
// not be unanimous amongst SimpleTextLine and FullTextLine. There are several watson
// crash reports that are testament to this theory. See Win8 PS bug# 643676. Hence we
// now allow the case where FullTextLine concludes that it doesnt need to collapse the
// text even though SimpleTextLine thought it should.
if (textLine.HasOverflowed)
{
TextLine collapsedTextLine = textLine.Collapse(collapsingPropertiesList);
if (collapsedTextLine != textLine)
{
// if collapsed line is genuinely new,
// Dispose its maker as we no longer need it around, dispose it explicitly
// to reduce unnecessary finalization of this intermediate line.
textLine.Dispose();
}
return collapsedTextLine;
}
return textLine;
}
/// <summary>
/// Client to collapse the line to fit for display
/// </summary>
/// <param name="collapsingPropertiesList">a list of collapsing properties</param>
public override TextLine Collapse(
params TextCollapsingProperties[] collapsingPropertiesList
)
{
if (!HasOverflowed)
return this;
Invariant.Assert(_settings != null);
// instantiate a collapsible full text line, collapse it and return the collapsed line
TextMetrics.FullTextLine textLine = new TextMetrics.FullTextLine(
_settings,
_cpFirst,
0, // lineLength
TextFormatterImp.RealToIdeal(_paragraphWidth),
LineFlags.None
);
Invariant.Assert(textLine.HasOverflowed);
TextLine collapsedTextLine = textLine.Collapse(collapsingPropertiesList);
if (collapsedTextLine != textLine)
{
// if collapsed line is genuinely new,
// Dispose its maker as we no longer need it around, dispose it explicitly
// to reduce unnecessary finalization of this intermediate line.
textLine.Dispose();
}
return collapsedTextLine;
}
