/// <summary>
/// This method determines the common baselines for the paragraph.
/// </summary>
private void DetermineBaselines()
{
float baselineOffset = 0.0f;
float strikethroughOffset = 0.0f;
float underlineOffset = 0.0f;
float strikethroughThickness = 0.0f;
float underlineThickness = 0.0f;
foreach(FormattedRun run in _OutputSink.Runs)
{
DxFontMetrics dxMetrics = run.Font.ResolveFace().Metrics;
FontMetrics metrics = new FontMetrics(
dxMetrics.Ascent, dxMetrics.Descent, dxMetrics.DesignUnitsPerEm);
float blo = metrics.Measure(dxMetrics.Ascent + dxMetrics.Descent, run.PointSize);
float sto = metrics.Measure(dxMetrics.StrikethroughPosition, run.PointSize);
float ulo = metrics.Measure(dxMetrics.UnderlinePosition, run.PointSize);
float stt = metrics.Measure(dxMetrics.StrikethroughThickness, run.PointSize);
float ult = metrics.Measure(dxMetrics.UnderlineThickness, run.PointSize);
baselineOffset = TakeAbsMax(baselineOffset, blo);
strikethroughOffset = TakeAbsMax(strikethroughOffset, sto);
underlineOffset = TakeAbsMax(underlineOffset, ulo);
strikethroughThickness = TakeAbsMax(strikethroughThickness, stt);
underlineThickness = TakeAbsMax(underlineThickness, ult);
}
_OutputSink.BaselineOffset = baselineOffset;
_OutputSink.StrikethroughOffset = strikethroughOffset;
_OutputSink.StrikethroughThickness = strikethroughThickness;
_OutputSink.UnderlineOffset = underlineOffset;
_OutputSink.UnderlineThickness = underlineThickness;
}
