Alexandru Ică b626d39035 Add the image segmentation node (#1122)
* Add image segmentation node

This is a node which receives as input:
- An image.
- A mask, which consists of colors that define the image segments.

Each unique color in the mask defines an area where a segmen resides.
The node generates a `Vec<ImageFrame>` where the length of the result
is the number of unique colors in the mask.

Signed-off-by: Ică Alexandru-Gabriel <alexandru@seyhanlee.com>

* Add the Index node for image segments

Since the output of the image segmentation node is a `Vec<ImageFrame>`,
we want a way to access the segments individually. The Index node receives
a `Vec<ImageFrame>` as input and an index, and returns the image found
at that index in the vec.

Signed-off-by: Ică Alexandru-Gabriel <alexandru@seyhanlee.com>

* Integrate the image segmentation and index nodes into the editor

Signed-off-by: Ică Alexandru-Gabriel <alexandru@seyhanlee.com>

* Initialize the input of the index node with an empty image frame

Signed-off-by: Ică Alexandru-Gabriel <alexandru@seyhanlee.com>

* Don't expose the parameter for the index node

Signed-off-by: Ică Alexandru-Gabriel <alexandru@seyhanlee.com>

* Don't crash the editor when the number of segments exceeds the accepted limit

Signed-off-by: Ică Alexandru-Gabriel <alexandru@seyhanlee.com>

* Print a warning in the console when the number of segments exceeds the accepted limit

Signed-off-by: Ică Alexandru-Gabriel <alexandru@seyhanlee.com>

* Add a few more checks so that the editor doesn't crash on invalid input

Signed-off-by: Ică Alexandru-Gabriel <alexandru@seyhanlee.com>

* Replace the tagged value for the index node

Signed-off-by: Ică Alexandru-Gabriel <alexandru@seyhanlee.com>

* Fix merge conflicts

---------

Signed-off-by: Ică Alexandru-Gabriel <alexandru@seyhanlee.com>
Co-authored-by: Dennis Kobert <dennis@kobert.dev>
2023-04-16 14:51:33 +03:00
2023-03-10 04:02:02 -08:00
2023-03-10 04:02:02 -08:00
2023-04-12 18:50:42 +01:00
2023-03-10 04:02:02 -08:00
2022-08-02 11:52:08 +02:00
2020-07-12 13:58:50 -07:00
2021-11-02 20:08:39 -07:00

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Redefining state-of-the-art graphics editing

Graphite is an in-development raster and vector 2D graphics editor that is free and open source. It is powered by a node graph compositing engine that supercharges your layer stack, providing a completely non-destructive editing experience.

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