SVG support

[lehitoskin]

Test adding SVG support (via rsvg package).

[lehitoskin]

The rsvg package is a wrapper for librsvg - would need to package it for Windows/OS X?

@IonoclastBrigham Does OS X have librsvg available in mac ports?

[IonoclastBrigham]

Do we need to be able to link to a system package for distribution
purposes? Or just convenience? I'd assume it can be built on Mac, without
having done any research. But I'm out of town until Tuesday and doesn't
being my laptop.

On Sep 9, 2016 3:17 PM, "Lehi Toskin" notifications@github.com wrote:

The rsvg package is a wrapper for librsvg - would need to package it for
Windows/OS X?

@IonoclastBrigham https://github.com/IonoclastBrigham Does OS X have
librsvg available in mac ports?

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[lehitoskin]

We can specify any path for a library. For a distributable package, we can have it search for a local .dylib (or .dll), for ease of use. This might be easiest for Windows, instead of having the user compile/install librsvg, we just supply one ourselves.

[lehitoskin]

Building librsvg with mingw-64 fails at config.sub. Had to download a new version of config.guess that recognizes mingw-64 as a build platform, but doing the same for config.sub still complains it doesn't recognize mingw-64. Maybe I should try with cygwin instead?

Edit: I'll try copying those particular files from my Gentoo system and see how it goes first.

[lehitoskin]

Update (for posterity):

I have successfully compiled librsvg.dll on Windows, yet the Racket FFI doesn't seem to want to recognize the DLL - it does recognize other libraries, even a small shared library I wrote and compiled. That being said, if I link the small library against librsvg, it is no longer recognized by the FFI, just like for librsvg.

[lehitoskin]

Added in a0d62ae

I ended up using a pre-compiled 32-bit package the nice people at the Racket mailing list found.

[IonoclastBrigham]

Found some weird rendering issues. Side by side: left is in Ivy, right is in Mac QuickLook.

Original file found via google image search at http://www.awesomeinc.com/

[lehitoskin]

Bizarro. I shall investigate

[lehitoskin]

[lehitoskin]

This appears to be a bug in librsvg, since browsers and inkscape can render it just fine while GNOME-based applications (i.e. those that use librsvg) have the problem.

[lehitoskin]

Just made a new issue for this specifically.