About librsvg
=============
Librsvg takes SVG documents and renders them into Cairo contexts. It
is used throughout GNOME to render things like scalable icons, in
image viewers to view SVGs easily, or to generate thumbnails for SVG
files. Other projects like Wikimedia and ImageMagick use librsvg for
their SVG rendering needs. Librsvg exports its API through GObject
Introspection, so bindings for other programming languages can be
created for it in an automated fashion.
News
====
- The following are highlights compared to the 2.44.x series. For
full details, please see the release notes for the 2.45.x series.
- All of librsvg.so is now implemented in Rust! That is, except for a
very thin wrapper over the public API functions. Hopefully we can
remove this wrapper when Cargo gets some more features around
controlling the linking step. This release requires at least Rust 1.34.
- Librsvg now comes with a Rust crate that can be used from Rust
applications. See librsvg_crate/examples. This Rust API is
designed to be idiomatic; if you want a Rust binding to the shared
library instead, please use the "rsvg-rs" crate from crates.io.
- The following API functions are new in the C library:
rsvg_handle_get_intrinsic_dimensions()
rsvg_handle_render_document()
rsvg_handle_render_layer()
rsvg_handle_render_element()
rsvg_handle_get_geometry_for_layer()
rsvg_handle_get_geometry_for_element()
Correspondingly, there is a new chapter in the documentation, called
"Recommendations for Applications". These new APIs conform better
with the web platform's idea of how SVG sizing/positioning should
work. Applications should now find it easier to scale and render
SVGs in a single call, instead of having to obtain image dimensions
first.
- A bunch of functions have been deprecated but are still available:
- rsvg_handle_write()/close() are deprecated in favor of the
stream functions. Unfortunately the write()/close() pair
require buffering the entire document, in case it is a .svgz
compressed file; the streaming functions do not have this
problem.
- Functions that return RsvgDimensionData and RsvgPositionData are
deprecated, since they just use integers instead of floating
point numbers. They are replaced with the _get_geometry_*()
functions above.
- The library is a lot more strict now in terms of detecting that the
API functions are called in the correct order. For example, calling
rsvg_handle_get_dimensions() before rsvg_handle_close() will now
emit a critical warning.
- Librsvg is gradually moving towards using code from Mozilla's Servo.
We haven't quite gotten rid of libcroco and libxml2 yet, but this is
in progress.
- Many thanks to all the people who participated in the long cycle for
2.45. Having the whole library's functionality in Rust is a big
accomplishment!
Download
========
https://download.gnome.org/sources/librsvg/2.46/librsvg-2.46.0.tar.xz (12.2M)
sha256sum: 96c81e52cb81450f3b2e915e6409fd7d1e3c01e4661974b3a98c09a7c45743d1
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