epaint/
color.rs

1use std::{fmt::Debug, sync::Arc};
2
3use ecolor::Color32;
4use emath::{Pos2, Rect};
5
6/// How paths will be colored.
7#[derive(Clone)]
8#[cfg_attr(feature = "serde", derive(serde::Deserialize, serde::Serialize))]
9pub enum ColorMode {
10    /// The entire path is one solid color, this is the default.
11    Solid(Color32),
12
13    /// Provide a callback which takes in the path's bounding box and a position and converts it to a color.
14    /// When used with a path, the bounding box will have a margin of [`TessellationOptions::feathering_size_in_pixels`](`crate::tessellator::TessellationOptions::feathering_size_in_pixels`)
15    ///
16    /// **This cannot be serialized**
17    #[cfg_attr(feature = "serde", serde(skip))]
18    UV(Arc<dyn Fn(Rect, Pos2) -> Color32 + Send + Sync>),
19}
20
21impl Default for ColorMode {
22    fn default() -> Self {
23        Self::Solid(Color32::TRANSPARENT)
24    }
25}
26
27impl Debug for ColorMode {
28    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
29        match self {
30            Self::Solid(arg0) => f.debug_tuple("Solid").field(arg0).finish(),
31            Self::UV(_arg0) => f.debug_tuple("UV").field(&"<closure>").finish(),
32        }
33    }
34}
35
36impl PartialEq for ColorMode {
37    fn eq(&self, other: &Self) -> bool {
38        match (self, other) {
39            (Self::Solid(l0), Self::Solid(r0)) => l0 == r0,
40            (Self::UV(_l0), Self::UV(_r0)) => false,
41            _ => false,
42        }
43    }
44}
45
46impl ColorMode {
47    pub const TRANSPARENT: Self = Self::Solid(Color32::TRANSPARENT);
48}
epaint/color.rs

epaint/
color.rs
