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Updated Api changes between v2.2 and v2.3 (markdown)

Dane Springmeyer 2014-08-12 13:22:40 -07:00
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Api-changes-between-v2.2-and-v2.3.md

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- `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. - `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.
- Text `label-position-tolerance` is now a `double` rather than `unsigned` (https://github.com/mapnik/mapnik/commit/dcbbcdd8a92d4d27176998d9a90a4c836b5174e2) - Text `label-position-tolerance` is now a `double` rather than `unsigned` (https://github.com/mapnik/mapnik/commit/dcbbcdd8a92d4d27176998d9a90a4c836b5174e2)
## Deprecated
- `bilinear8` (raster `scaling` option) is not recommended for use and will be removed at Mapnik 3.x
## Added ## Added
- `webp` image support. See [[Image-IO]] for more details - `webp` image support. See [[Image-IO]] for more details
- `scale-hsla` image filter - `scale-hsla` image filter