thank you for the fast reply!
I unfortunately dont have had a time to dive into the book prior to use a
library, however I consider buying it if iText gets me to the goal :-)
Ok, I see that you've described that in the book, but why did you not secure
appropriate methods? Ideally, the API would not allow to do anything what
does not makes sense, but I dont gonna talk about software design here ;)
Why I have to rotate and rescale is, because some pages of a source document
have to be converted from A4 to A5 and put in one page (2in1), while others
shall remain untouched. Maybe there is already a helper which does this task
but I've overseen it.
I've claimed that I couldn't copy a page AS-IS, because I did not located
API for it, like provided by PdfCopy, so the following works fine for me:
PdfImportedPage page = writer.getImportedPage(reader, i);
cb.getPdfDocument().setPageSize(page.getBoundingBox());
cb.getPdfDocument().newPage();
cb.addTemplate(page, 0, 0);
fortunately I dont going to have any annotations in the source document so
it is fine to ignore them in my case.
I believe there is a better way to perform this task, maybe you'd tell me
the way you'd go for it? Should I rather use PdfStamper for it?
And finally, if I got right its impossible to work on all levels of the
document at same time, since all the PdfWriter, PdfCopy, PdfStamper etc.
operate at outputstream level and you cannot mix them on an open stream, can
you?
tx
2010/5/27 Bruno Lowagie (iText) [via iText - General] <
[email protected]<ml-node%[email protected]>
>
> E Plischke wrote:
>
> > Hi, following instruction has no effect:
> >
> > [CODE]
> >
> > pdfCopy.getDirectContent().addTemplate(
> > pdfCopy.getImportedPage(pdfReader, 1), tagetAffineTransform
> > );
> >
> > [/CODE]
> >
> > is this a bug or do I miss something?
>
> That's not a bug. As documented in chapter 6 of the book: you can't
> manipulate the content of the pages if you choose PdfCopy. Unless you
> use the methods described in section 6.4.1 of the Second Edition of
> iText in Action.
>
> > i want to merge some pages from source PDF into a new Document, while
> > some of them is a simple 1:1 copy (which are handled by
> > PdfCopy.addPage(..) method and some of them are going to be weaved
> > rotated and scaled, so I use the PdfContentByte.addTemplate() to achieve
> > it (like in code above).
>
> If you only need to rotate the page, then you should try the RotatePages
> example from section 13.3.2. It's an example with PdfStamper, but it
> should also work for PdfCopy.
>
> If you really need to scale the page, reconsider: why do you want to
> scale it? PDF is a digital format, the viewer can scale it for you.
>
> > The issue is that with PdfWriter (instead of PdfCopy) the addTemplate()
> > works fine, but not when applied on PdfCopy object, and while working
> > with PdfWriter I cannot simply copy a page as-is from source PDF,
>
> With PdfWriter you can copy the CONTENT of the page AS-IS from the
> source PDF, WITHOUT the annotations, because annotations are not part of
> the page content. Is that why you claim that you can't copy a page AS-IS
> with PdfWriter?
>
> > therefore I wanted to handle both cases with PdfCopy instance.
>
> Yes, but if you use addTemplate(), you only copy the page content, not
> the annotations. And if that's your problem with PdfWriter, your (wrong)
> approach wouldn't solve anything, would it?
>
> I'd use the RotatePages approach and NOT scale the pages, only rotate
> them (if necessary).
>
> Note that I have no idea what you mean by "weaved". Are you talking
> about superimposing pages? In that case, you need the "Adding content
> with PdfCopy" example from section 6.4.1.
>
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