[poppler] pdftocairo SVG, dropping multi-page support

[Pierre-Luc Samuel]

I agree that creating a "-split" option would be more forward compatible.

I have created this bug to track the "-split" feature: 
https://bugs.freedesktop.org/show_bug.cgi?id=94084

Thanks
Pierre-Luc

On 02/07/2016 06:39 AM, Adrian Johnson wrote:
> On 04/02/16 05:58, Pierre-Luc Samuel wrote:
>> Hi,
>>
>> A long time ago, cairo implemented the SVG 1.2 draft with support for
>> multipage, so pdftocairo complies with that and submits an entire PDF
>> document to be rendered into 1 SVG file.  However, no existing svg
>> viewer can open these files because SVG 1.2 was never adopted by W3C and
>> was actually dropped in 2005 in favor of development of SVG 2.0.  See
>> https://www.w3.org/standards/techs/svg#obsolete
>>
>> Inkscape has scapped their own plans of supporting multi-page SVG since
>> it's not supported by any current SVG specification, and SVG 2.0 doesn't
>> look like it will have multi-page either
>> http://wiki.inkscape.org/wiki/index.php/Multipage
>>
>> So, I would be willing to prepare a patch to have SVG treated like other
>> single-page image files, so that calling pdftocairo would generate many
>> SVG 1.1 files.  Libcairo already has a
>> cairo_svg_surface_restrict_to_version() method.
>>
>> Would you be interested in such a patch?
> I think it would be best to add a "-split" option (applicable to all
> vector outputs) for creating one file per page. Changing the default svg
> output to one file per page would be a significant change to the
> pdftocairo behavior that would break any existing scripts that use
> "pdftocairo -svg".
>
> Using a -split option also leaves open the possibility changing the
> current multipage svg to whichever multipage option Inkscape chooses to
> implement.
>
> We can also change the pdftocairo svg version to 1.1 now that 1.2 is
> obsolete.
>
> I suggest creating a bug for this. You can attach patches to the bug or
> wait for me to implement it.
>
>> Pierre-Luc
>>
>>
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