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Curves image adjustment node (#1214)

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* Create ValueMapperNode and use it for brightness/contrast

* move spline code into seperate module

* Add GenerateCurvesNode

* add a `LuminanceMut`-trait
* add `lerp` to `Channel`

* Add frontend code to handle the curves widget's inputs

* Rename spline module to curve

* Make messages in CurveInput pass

* Improve curves widget design and fix sizing issue

* Implement proper bezier handling

* Use bezier_rs's intersections function instead of own cubic root solver

* Debounce CurveInput events and change how debouncer works

the first event issued to the debouncer was unneccessarily delayed.
Instead now the debouncer fires it instantaneously but blocks events
that come in until a timeout was reached.

* Make curve editing more user friendly

* Change code to use project terminology

* sample -> manipulator group or manipulator
* marker -> handle

* Fix small documentation mistake in bezier-rs

* Add find_tvalues_for_x function to bezier-rs

also integrate the function into curves node

* Add tests for find_tvalues_for_x in bezier-rs

* Fix formatting

* Revert BrightnessContrastNode changes

* Frontend cleanup

---------

Co-authored-by: Keavon Chambers <keavon@keavon.com>
Co-authored-by: Dennis Kobert <dennis@kobert.dev>
This commit is contained in:
nat-rix
2023-08-13 01:07:11 -07:00
committed by GitHub
co-authored by Keavon Chambers Dennis Kobert
parent cfe38c6413
commit dc4b16aead
29 changed files with 822 additions and 75 deletions
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libraries/bezier-rs/src/bezier/core.rs
+2 -2
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@@ -4,7 +4,7 @@ use std::fmt::Write;
/// Functionality relating to core `Bezier` operations, such as constructors and `abs_diff_eq`.
impl Bezier {
// TODO: Consider removing this function
/// Create a quadratic bezier using the provided coordinates as the start, handle, and end points.
/// Create a linear bezier using the provided coordinates as the start and end points.
pub fn from_linear_coordinates(x1: f64, y1: f64, x2: f64, y2: f64) -> Self {
Bezier {
start: DVec2::new(x1, y1),
@@ -13,7 +13,7 @@ impl Bezier {
}
}
/// Create a quadratic bezier using the provided DVec2s as the start, handle, and end points.
/// Create a linear bezier using the provided DVec2s as the start and end points.
/// <iframe frameBorder="0" width="100%" height="300px" src="https://graphite.rs/libraries/bezier-rs#bezier/constructor/solo" title="Constructor Demo"></iframe>
pub fn from_linear_dvec2(p1: DVec2, p2: DVec2) -> Self {
Bezier {