From: "rpardee@..." <rpardee@...>
Date: 2007-03-01T23:00:05+09:00
Subject: Re: PDF Appender?

On Feb 28, 7:56 pm, "Kouhei Sutou" <k...@cozmixng.org> wrote:
> Hi,
>
> 2007/3/1, rpar...@gmail.com <rpar...@gmail.com>:
>
> > Let's say I had a .pdf file and a .txt file, and I wanted to append
> > the contents of the text to the .pdf.  The text doesn't have to look
> > pretty, it just has to be searchable (the pdf has an image of the text
> > in the text file).
>
> > I looked at PDF::Writer, but I'm not seeing a way to open an
> > existing .pdf.  Have I missed it, or do I need to use some other
> > library or...?
>
> You can do the task with Ruby/Poppler, Ruby/Pango and rcairo:
>
> ---
> surface = Cairo::PDFSurface.new(...)
> context = Cairo::Context.new(surface)
>
> document = Poppler::Document.new(...)
> document.each do |page|
>   context.render_poppler_page(page)
>   context.show_page
> end
>
> text = File.read(...)
> layout = context.create_pango_layout
> layout.text = text
> layout.width = ... * Pango::SCALE
> context.show_pango_layout(layout)
>
> context.show_page
>
> surface.finish
> ---
>
> Some sample scripts may help you:
>  http://ruby-gnome2.cvs.sourceforge.net/ruby-gnome2/ruby-gnome2/popple...
>  http://webcvs.cairographics.org/rcairo/samples/
>
> Thanks,
> --
> kou

Ah, that looks very promising!  I shall pursue those.  Many thanks!