public void HighlightNextLine(bool forward)
{
if (Source.SyllableLines.Count <= 0)
{
return;
}
Debug.Assert(m_WriteFactory != null && m_Run != null && m_NextRun != null, "not initialized");
var subSyllables = Source.SyllableLines[CurrentSyllable.Line][CurrentSyllable.Column];
var centerX = (m_Run.GetSubSyllableBounds(subSyllables[0]).TopLeft.X + m_Run.GetSubSyllableBounds(subSyllables.Last()).BottomRight.X) / 2.0f;
var newLineIndex = CurrentSyllable.Line + (forward ? 1 : -1);
if (newLineIndex >= 0 && newLineIndex < Source.SyllableLines.Count)
{
CurrentSyllable = new SyllableLocation(newLineIndex, FindNearestSyllableIndex(newLineIndex, centerX));
}
ScrollIntoCurrentSyllable();
}
public void HighlightNext(bool forward)
{
if (Source.SyllableLines.Count <= 0)
{
return;
}
var newLineIndex = CurrentSyllable.Line;
var newColumnIndex = CurrentSyllable.Column + (forward ? 1 : -1);
if (newColumnIndex >= 0 && newColumnIndex < Source.SyllableLines[newLineIndex].Length)
{
CurrentSyllable = new SyllableLocation(newLineIndex, newColumnIndex);
}
else
{
newLineIndex += forward ? 1 : -1;
if (newLineIndex >= 0 && newLineIndex < Source.SyllableLines.Count)
{
newColumnIndex = forward ? 0 : Source.SyllableLines[newLineIndex].Length - 1;
CurrentSyllable = new SyllableLocation(newLineIndex, newColumnIndex);
}
}
ScrollIntoCurrentSyllable();
}
public void HighlightFirst()
{
CurrentSyllable = new SyllableLocation(0, 0);
ScrollPositionX = 0;
ScrollPositionY = 0;
}
