Re: [evince] Ink Annotations and Appearances

[Germán Poo-Caamaño <gpoo gnome org>]

On Tue, 2015-02-10 at 17:42 +0100, Daniel Sim wrote:
> I am trying to implement ink annotations in Evince.
>
> To write the appearance stream, would it be advisable to
>
> (a) re-implement PDF drawing primitives
>
> (b) extend Cairo so that a "PDF stream surface" exists? Currently it
> is only possible to output an entire PDF file, but that is too much
> for an appearance steam.
>
> Anybody with ideas?

You need to implement them in poppler first (the glib-frontend).

You can take a look how other annotations have been implemented
(e.g. start with poppler-glib-demo).

-- 
Germán Poo-Caamaño
http://calcifer.org/