protected override bool IsChunkAtWordBoundary(TextChunk chunk, TextChunk previousChunk)
{
ITextChunkLocation curLoc = chunk.GetLocation();
ITextChunkLocation prevLoc = previousChunk.GetLocation();
if (curLoc.GetStartLocation().Equals(curLoc.GetEndLocation()) || prevLoc.GetEndLocation().Equals(prevLoc.GetStartLocation
()))
{
return(false);
}
return(curLoc.DistParallelEnd() - prevLoc.DistParallelStart() > (curLoc.GetCharSpaceWidth() + prevLoc.GetCharSpaceWidth
()) / 2.0f);
}
protected internal virtual bool IsChunkAtWordBoundary(TextChunk chunk, TextChunk previousChunk)
{
return(chunk.GetLocation().IsAtWordBoundary(previousChunk.GetLocation()));
}
public virtual void EventOccurred(IEventData data, EventType type)
{
if (type.Equals(EventType.RENDER_TEXT))
{
TextRenderInfo renderInfo = (TextRenderInfo)data;
LineSegment segment = renderInfo.GetBaseline();
if (renderInfo.GetRise() != 0)
{
// remove the rise from the baseline - we do this because the text from a super/subscript render operations should probably be considered as part of the baseline of the text the super/sub is relative to
Matrix riseOffsetTransform = new Matrix(0, -renderInfo.GetRise());
segment = segment.TransformBy(riseOffsetTransform);
}
if (useActualText)
{
CanvasTag lastTagWithActualText = lastTextRenderInfo != null?
FindLastTagWithActualText(lastTextRenderInfo.GetCanvasTagHierarchy()) : null;
if (lastTagWithActualText != null && lastTagWithActualText ==
FindLastTagWithActualText(renderInfo.GetCanvasTagHierarchy()))
{
// Merge two text pieces, assume they will be in the same line
TextChunk lastTextChunk = locationalResult[locationalResult.Count - 1];
Vector mergedStart = new Vector(
Math.Min(lastTextChunk.GetLocation().GetStartLocation().Get(0),
segment.GetStartPoint().Get(0)),
Math.Min(lastTextChunk.GetLocation().GetStartLocation().Get(1),
segment.GetStartPoint().Get(1)),
Math.Min(lastTextChunk.GetLocation().GetStartLocation().Get(2),
segment.GetStartPoint().Get(2)));
Vector mergedEnd = new Vector(
Math.Max(lastTextChunk.GetLocation().GetEndLocation().Get(0),
segment.GetEndPoint().Get(0)),
Math.Max(lastTextChunk.GetLocation().GetEndLocation().Get(1),
segment.GetEndPoint().Get(1)),
Math.Max(lastTextChunk.GetLocation().GetEndLocation().Get(2),
segment.GetEndPoint().Get(2)));
TextChunk merged = new TextChunk(
lastTextChunk.GetText(),
tclStrat.CreateLocation(renderInfo,
new LineSegment(mergedStart, mergedEnd)));
locationalResult[locationalResult.Count - 1] = merged;
}
else
{
string actualText = renderInfo.GetActualText();
TextChunk tc = new TextChunk(
actualText ?? renderInfo.GetText(), tclStrat.CreateLocation(renderInfo, segment));
locationalResult.Add(tc);
}
}
else
{
TextChunk tc = new TextChunk(
renderInfo.GetText(), tclStrat.CreateLocation(renderInfo, segment));
locationalResult.Add(tc);
}
lastTextRenderInfo = renderInfo;
}
}