feat: use lyon for easing

1 files changed, 0 insertions, 325 deletions

diff --git a/examples/progress_indicators/src/linear.rs b/examples/progress_indicators/src/linear.rs
deleted file mode 100644
index 735892e7..00000000
--- a/examples/progress_indicators/src/linear.rs
+++ /dev/null
@@ -1,325 +0,0 @@
-//! Show a linear progress indicator.
-use iced::window;
-use iced_core::event::{self, Event};
-use iced_core::renderer;
-use iced_core::time::Instant;
-use iced_core::widget::tree::{self, Tree};
-use iced_core::window::RedrawRequest;
-use iced_core::{layout, Size};
-use iced_core::{
-    Background, Clipboard, Color, Element, Layout, Length, Point, Rectangle,
-    Shell, Widget,
-};
-
-use super::easing::{self, Easing};
-
-use std::borrow::Cow;
-use std::time::Duration;
-
-#[allow(missing_debug_implementations)]
-pub struct Linear<'a, Renderer>
-where
-    Renderer: iced_core::Renderer,
-    Renderer::Theme: StyleSheet,
-{
-    width: Length,
-    height: Length,
-    style: <Renderer::Theme as StyleSheet>::Style,
-    easing: Cow<'a, Easing>,
-    cycle_duration: Duration,
-}
-
-impl<'a, Renderer> Linear<'a, Renderer>
-where
-    Renderer: iced_widget::core::Renderer,
-    Renderer::Theme: StyleSheet,
-{
-    /// Creates a new [`Linear`] with the given content.
-    pub fn new() -> Self {
-        Linear {
-            width: Length::Fixed(100.0),
-            height: Length::Fixed(4.0),
-            style: <Renderer::Theme as StyleSheet>::Style::default(),
-            easing: Cow::Borrowed(&easing::STANDARD),
-            cycle_duration: Duration::from_millis(600),
-        }
-    }
-
-    /// Sets the width of the [`Linear`].
-    pub fn width(mut self, width: impl Into<Length>) -> Self {
-        self.width = width.into();
-        self
-    }
-
-    /// Sets the height of the [`Linear`].
-    pub fn height(mut self, height: impl Into<Length>) -> Self {
-        self.height = height.into();
-        self
-    }
-
-    /// Sets the style variant of this [`Linear`].
-    pub fn style(
-        mut self,
-        style: <Renderer::Theme as StyleSheet>::Style,
-    ) -> Self {
-        self.style = style;
-        self
-    }
-
-    /// Sets the motion easing of this [`Linear`].
-    pub fn easing(mut self, easing: impl Into<Cow<'a, Easing>>) -> Self {
-        self.easing = easing.into();
-        self
-    }
-
-    /// Sets the cycle duration of this [`Linear`].
-    pub fn cycle_duration(mut self, duration: Duration) -> Self {
-        self.cycle_duration = duration / 2;
-        self
-    }
-}
-
-impl<'a, Renderer> Default for Linear<'a, Renderer>
-where
-    Renderer: iced_core::Renderer,
-    Renderer::Theme: StyleSheet,
-{
-    fn default() -> Self {
-        Self::new()
-    }
-}
-
-#[derive(Clone, Copy)]
-enum State {
-    Expanding { start: Instant, progress: f32 },
-    Contracting { start: Instant, progress: f32 },
-}
-
-impl Default for State {
-    fn default() -> Self {
-        Self::Expanding {
-            start: Instant::now(),
-            progress: 0.0,
-        }
-    }
-}
-
-impl State {
-    fn next(&self, now: Instant) -> Self {
-        match self {
-            Self::Expanding { .. } => Self::Contracting {
-                start: now,
-                progress: 0.0,
-            },
-            Self::Contracting { .. } => Self::Expanding {
-                start: now,
-                progress: 0.0,
-            },
-        }
-    }
-
-    fn start(&self) -> Instant {
-        match self {
-            Self::Expanding { start, .. } | Self::Contracting { start, .. } => {
-                *start
-            }
-        }
-    }
-
-    fn timed_transition(&self, cycle_duration: Duration, now: Instant) -> Self {
-        let elapsed = now.duration_since(self.start());
-
-        match elapsed {
-            elapsed if elapsed > cycle_duration => self.next(now),
-            _ => self.with_elapsed(cycle_duration, elapsed),
-        }
-    }
-
-    fn with_elapsed(
-        &self,
-        cycle_duration: Duration,
-        elapsed: Duration,
-    ) -> Self {
-        let progress = elapsed.as_secs_f32() / cycle_duration.as_secs_f32();
-        match self {
-            Self::Expanding { start, .. } => Self::Expanding {
-                start: *start,
-                progress,
-            },
-            Self::Contracting { start, .. } => Self::Contracting {
-                start: *start,
-                progress,
-            },
-        }
-    }
-}
-
-impl<'a, Message, Renderer> Widget<Message, Renderer> for Linear<'a, Renderer>
-where
-    Message: 'a + Clone,
-    Renderer: 'a + iced_core::Renderer,
-    Renderer::Theme: StyleSheet,
-{
-    fn tag(&self) -> tree::Tag {
-        tree::Tag::of::<State>()
-    }
-
-    fn state(&self) -> tree::State {
-        tree::State::new(State::default())
-    }
-
-    fn width(&self) -> Length {
-        self.width
-    }
-
-    fn height(&self) -> Length {
-        self.height
-    }
-
-    fn layout(
-        &self,
-        _renderer: &Renderer,
-        limits: &layout::Limits,
-    ) -> layout::Node {
-        let limits = limits.width(self.width).height(self.height);
-        let size = limits.resolve(Size::ZERO);
-
-        layout::Node::new(size)
-    }
-
-    fn on_event(
-        &mut self,
-        tree: &mut Tree,
-        event: Event,
-        _layout: Layout<'_>,
-        _cursor_position: Point,
-        _renderer: &Renderer,
-        _clipboard: &mut dyn Clipboard,
-        shell: &mut Shell<'_, Message>,
-    ) -> event::Status {
-        let state = tree.state.downcast_mut::<State>();
-
-        if let Event::Window(window::Event::RedrawRequested(now)) = event {
-            *state = state.timed_transition(self.cycle_duration, now);
-
-            shell.request_redraw(RedrawRequest::NextFrame);
-        }
-
-        event::Status::Ignored
-    }
-
-    fn draw(
-        &self,
-        tree: &Tree,
-        renderer: &mut Renderer,
-        theme: &Renderer::Theme,
-        _style: &renderer::Style,
-        layout: Layout<'_>,
-        _cursor_position: Point,
-        _viewport: &Rectangle,
-    ) {
-        let bounds = layout.bounds();
-        let custom_style = theme.appearance(&self.style);
-        let state = tree.state.downcast_ref::<State>();
-
-        renderer.fill_quad(
-            renderer::Quad {
-                bounds: Rectangle {
-                    x: bounds.x,
-                    y: bounds.y,
-                    width: bounds.width,
-                    height: bounds.height,
-                },
-                border_radius: 0.0.into(),
-                border_width: 0.0,
-                border_color: Color::TRANSPARENT,
-            },
-            Background::Color(custom_style.track_color),
-        );
-
-        match state {
-            State::Expanding { progress, .. } => renderer.fill_quad(
-                renderer::Quad {
-                    bounds: Rectangle {
-                        x: bounds.x,
-                        y: bounds.y,
-                        width: self.easing.y_at_x(*progress) * bounds.width,
-                        height: bounds.height,
-                    },
-                    border_radius: 0.0.into(),
-                    border_width: 0.0,
-                    border_color: Color::TRANSPARENT,
-                },
-                Background::Color(custom_style.bar_color),
-            ),
-
-            State::Contracting { progress, .. } => renderer.fill_quad(
-                renderer::Quad {
-                    bounds: Rectangle {
-                        x: bounds.x
-                            + self.easing.y_at_x(*progress) * bounds.width,
-                        y: bounds.y,
-                        width: (1.0 - self.easing.y_at_x(*progress))
-                            * bounds.width,
-                        height: bounds.height,
-                    },
-                    border_radius: 0.0.into(),
-                    border_width: 0.0,
-                    border_color: Color::TRANSPARENT,
-                },
-                Background::Color(custom_style.bar_color),
-            ),
-        }
-    }
-}
-
-impl<'a, Message, Renderer> From<Linear<'a, Renderer>>
-    for Element<'a, Message, Renderer>
-where
-    Message: Clone + 'a,
-    Renderer: iced_core::Renderer + 'a,
-    Renderer::Theme: StyleSheet,
-{
-    fn from(linear: Linear<'a, Renderer>) -> Self {
-        Self::new(linear)
-    }
-}
-
-#[derive(Debug, Clone, Copy)]
-pub struct Appearance {
-    /// The track [`Color`] of the progress indicator.
-    pub track_color: Color,
-    /// The bar [`Color`] of the progress indicator.
-    pub bar_color: Color,
-}
-
-impl std::default::Default for Appearance {
-    fn default() -> Self {
-        Self {
-            track_color: Color::TRANSPARENT,
-            bar_color: Color::BLACK,
-        }
-    }
-}
-
-/// A set of rules that dictate the style of an indicator.
-pub trait StyleSheet {
-    /// The supported style of the [`StyleSheet`].
-    type Style: Default;
-
-    /// Produces the active [`Appearance`] of a indicator.
-    fn appearance(&self, style: &Self::Style) -> Appearance;
-}
-
-impl StyleSheet for iced::Theme {
-    type Style = ();
-
-    fn appearance(&self, _style: &Self::Style) -> Appearance {
-        let palette = self.extended_palette();
-
-        Appearance {
-            track_color: palette.background.weak.color,
-            bar_color: palette.primary.base.color,
-        }
-    }
-}