From 7bd79b0662e5b23221ce5c8983c22e4e8015b54b Mon Sep 17 00:00:00 2001
From: Jonathan Johnson <jon@khonsulabs.com>
Date: Sun, 18 Aug 2024 10:58:44 -0700
Subject: [PATCH] Switched to released easing-function

Also added new easings example.
---
 Cargo.lock          |  3 +-
 Cargo.toml          |  2 +-
 examples/easings.rs | 82 +++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 85 insertions(+), 2 deletions(-)
 create mode 100644 examples/easings.rs

diff --git a/Cargo.lock b/Cargo.lock
index 06f36f6..305f5c8 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -762,7 +762,8 @@ checksum = "f25c0e292a7ca6d6498557ff1df68f32c99850012b6ea401cf8daf771f22ff53"
 [[package]]
 name = "easing-function"
 version = "0.1.0"
-source = "git+https://github.com/khonsulabs/easing-function#12a233464b0142d86c68d474598befa1d0298031"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5699e572f2ece3d6ea49a528341097d26117751ea0a8ed3adab747bb6e96c480"
 
 [[package]]
 name = "either"
diff --git a/Cargo.toml b/Cargo.toml
index 9ee33c6..cc540ac 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -48,7 +48,7 @@ image = { version = "0.25.0", features = ["png"] }
 plotters = { version = "0.3.5", default-features = false, optional = true }
 nominals = "0.3.0"
 parking_lot = "0.12.1"
-easing-function = { git = "https://github.com/khonsulabs/easing-function" }
+easing-function = "0.1.0"
 
 
 # [patch.crates-io]
diff --git a/examples/easings.rs b/examples/easings.rs
new file mode 100644
index 0000000..bfcb64a
--- /dev/null
+++ b/examples/easings.rs
@@ -0,0 +1,82 @@
+use cushy::animation::easings::StandardEasing;
+use cushy::context::GraphicsContext;
+use cushy::widget::{MakeWidget, WidgetList};
+use cushy::widgets::Canvas;
+use cushy::Run;
+use easing_function::Easing;
+use figures::units::{Lp, Px};
+use figures::{IntoSigned, Point, Rect, Size, Zero};
+use kludgine::shapes::{PathBuilder, Shape, StrokeOptions};
+
+fn main() -> cushy::Result {
+    StandardEasing::all()
+        .iter()
+        .map(|easing| {
+            let name = format!("Ease{easing:?}");
+
+            Canvas::new(|context| {
+                draw_easing_graph(easing, context);
+            })
+            .expand()
+            .and(name)
+            .into_rows()
+            .contain()
+            .make_widget()
+        })
+        .collect::<Vec<_>>()
+        .chunks(3)
+        .map(|widgets| {
+            WidgetList::from_iter(widgets.iter().map(|w| w.clone().expand()))
+                .into_columns()
+                .height(Lp::inches(3))
+        })
+        .collect::<WidgetList>()
+        .into_wrap()
+        .pad()
+        .vertical_scroll()
+        .expand()
+        .run()
+}
+
+fn draw_easing_graph(easing: &StandardEasing, context: &mut GraphicsContext<'_, '_, '_, '_>) {
+    let height = context.gfx.size().height.into_signed();
+    let padding = height / 4;
+    let height = height - padding * 2;
+    let width = context.gfx.size().width.into_signed().get();
+    let steps = width.max(50);
+    let mut path = PathBuilder::new(Point::new(
+        Px::ZERO,
+        padding + height * (1.0 - easing.ease(0.)),
+    ));
+
+    for i in 1..=steps {
+        path = path.line_to(Point::new(
+            Px::new(width * i) / steps,
+            padding + height * (1.0 - easing.ease(i as f32 / steps as f32)),
+        ));
+    }
+
+    let text_color = context.theme().surface.on_color;
+    let bg = context.theme().surface.low_container;
+    let outline = context.theme().surface.outline;
+    context.gfx.draw_shape(&Shape::filled_rect(
+        Rect::new(
+            Point::new(Px::ZERO, padding),
+            Size::new(Px::new(width), height),
+        ),
+        bg,
+    ));
+    context.gfx.draw_shape(&Shape::stroked_rect(
+        Rect::new(
+            Point::new(Px::ZERO, padding),
+            Size::new(Px::new(width), height),
+        ),
+        outline,
+    ));
+
+    context.gfx.draw_shape(
+        &path
+            .build()
+            .stroke(StrokeOptions::px_wide(1).colored(text_color)),
+    );
+}