Dear Michael,
How do I add two TextChunk objects?
Regards,
Kausik
On Tue, Jan 15, 2013 at 4:08 AM, mkl <m...@wir-sind-cool.org> wrote:
> Kausik Porel,
>
> Kausik Porel wrote
> > I have tried with the following code to extract the coordinate of the
> > words. But this code mainly gives the position of a line not the word.
> Can
> > you please look at the code and suggests. The code is attached with the
> > mail. This code is a copy of LocationTextExtractionStrategy and added
> some
> > codes as per my requirement.
> >
> > TextStrategy.txt (19K)
> > <
> http://itext-general.2136553.n4.nabble.com/attachment/4657368/0/TextStrategy.txt>
> ;
>
> Yes, it obviously gives the position of a line or of a segment not directly
> adherent to the previous one because you add data to the StringBuilder
> exactly in those situations, i.e. if (dist < -chunk.charSpaceWidth), if
> (dist > chunk.charSpaceWidth / 2.0f), and if not
> (chunk.SameLine(lastChunk)).
>
> You completely forget the case of chunk.text containing a space character,
> let alone many! If there is a space character in the chunk, you have to
> analyze the partial chunk dimensions. Unfortunately the necessary
> information is lost at that point in time because TextChunk does not carry
> the needed data.
>
> Thus, unless you want to enhance the TextChunk class, you should check
> already in RenderText() whether renderInfo.GetText() contains space
> characters, split the TextRenderInfo into individual character
> TextRenderInfo objects if it does (TextRenderInfo has a method for that!),
> and add the matching multiple TextChunk objects.
>
> Now when you hit a text chunk consisting only of a space character, you
> found the end of a word.
>
> Additionally you add lastWidth += rect.Width but completely forget the
> dist.
>
> Furthermore you also only set your variables `last*` at the beginning of a
> line. Whenever you process a horizontal gap, though, i.e. whenever (the
> absolute value of) dist is too big, you set them to 0.
>
> Regards, Michael
>
>
>
> --
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>
>
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