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updates

Dane Springmeyer 2013-10-04 13:43:31 -07:00
parent dfa435a1e5
commit 9f439db1a8
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Api-changes-between-v2.2-and-v2.3.md

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## Changed
- Default PNG output now is paletted using the high quality alpha-preserving `hextree` encoder (what used to be only possible with `png8:m=h`. This is now triggered when the `png` format string is used. Use `png32` to maintain rendering of full color rgba images as previously. More details at [this ticket](https://github.com/mapnik/mapnik/issues/2028) and [[Image-IO]]
- `colorize-alpha` filter now takes a single color argument (rather than requiring more than one) and will use this single color to paint in place of the existing alpha values.
## Added
- `webp` image support
- `scale-hsla` image filter
- `webp` image support. See [[Image-IO]] for more details
- `scale-hsla` image filter
- `color-to-alpha` image filter