internal LineLayout(font.TextLayout layout,
TextLineIterator lineIter,
float accumulatedHeight)
{
_layout = layout;
_lineIter = lineIter;
_accumulatedHeight = accumulatedHeight;
}
internal LineLayout(font.TextLayout layout,
TextLineIterator lineIter,
float accumulatedHeight) {
_layout = layout;
_lineIter = lineIter;
_accumulatedHeight = accumulatedHeight;
}
LineLayout NextTextLayoutFromMeasurer()
{
if (_accumulatedHeight >= WrapHeight)
{
_charsConsumed += _currentPos;
return(null);
}
int limit = _measurer.getLineBreakIndex(_currentPos, WrapWidth);
int wordBreak = limit;
if (wordBreak < _currentRun)
{
while (wordBreak >= _currentPos && char.IsLetterOrDigit(_s, _charsConsumed + wordBreak))
{
wordBreak--;
}
if (wordBreak > _currentPos)
{
limit = wordBreak + 1;
}
}
font.TextLayout layout = _measurer.getLayout(_currentPos, limit);
LineLayout lineLayout = new LineLayout(
layout,
this,
_accumulatedHeight);
float lineHeight = PadHeight(lineLayout.Ascent + lineLayout.Descent + lineLayout.Leading);
if (Format.LineLimit && (_accumulatedHeight + lineHeight > WrapHeight))
{
_charsConsumed += _currentPos;
return(null);
}
_accumulatedHeight += lineHeight + lineLayout.Leading;
_currentPos = limit;
while (_currentPos < _currentRun)
{
if (char.IsWhiteSpace(_s, _charsConsumed + _currentPos))
{
_currentPos++;
}
else
{
break;
}
}
return(lineLayout);
}
