From 00c6cf80cb9c4587700078a062a6b32873b6f8ff Mon Sep 17 00:00:00 2001 From: pml68 Date: Thu, 26 Jun 2025 12:16:52 +0200 Subject: feat: extract `material_theme` into separate repo (`pml68/iced_material`) --- crates/material_theme/src/utils.rs | 158 ------------------------------------- 1 file changed, 158 deletions(-) delete mode 100644 crates/material_theme/src/utils.rs (limited to 'crates/material_theme/src/utils.rs') diff --git a/crates/material_theme/src/utils.rs b/crates/material_theme/src/utils.rs deleted file mode 100644 index 4c62ec3..0000000 --- a/crates/material_theme/src/utils.rs +++ /dev/null @@ -1,158 +0,0 @@ -use iced_widget::core::{Color, Shadow, Vector}; - -const COLOR_ERROR_MARGIN: f32 = 0.0001; - -pub const HOVERED_LAYER_OPACITY: f32 = 0.08; -pub const PRESSED_LAYER_OPACITY: f32 = 0.1; - -pub const DISABLED_TEXT_OPACITY: f32 = 0.38; -pub const DISABLED_CONTAINER_OPACITY: f32 = 0.12; - -pub fn elevation(elevation_level: u8) -> f32 { - (match elevation_level { - 0 => 0.0, - 1 => 1.0, - 2 => 3.0, - 3 => 6.0, - 4 => 8.0, - _ => 12.0, - } as f32) -} - -pub fn shadow_from_elevation(elevation: f32, color: Color) -> Shadow { - Shadow { - color, - offset: Vector { - x: 0.0, - y: elevation, - }, - blur_radius: (elevation) * (1.0 + 0.4_f32.powf(elevation)), - } -} - -pub fn disabled_text(color: Color) -> Color { - Color { - a: DISABLED_TEXT_OPACITY, - ..color - } -} - -pub fn disabled_container(color: Color) -> Color { - Color { - a: DISABLED_CONTAINER_OPACITY, - ..color - } -} - -pub fn parse_argb(s: &str) -> Option { - let hex = s.strip_prefix('#').unwrap_or(s); - - let parse_channel = |from: usize, to: usize| { - let num = - usize::from_str_radix(&hex[from..=to], 16).ok()? as f32 / 255.0; - - // If we only got half a byte (one letter), expand it into a full byte (two letters) - Some(if from == to { num + num * 16.0 } else { num }) - }; - - Some(match hex.len() { - 3 => Color::from_rgb( - parse_channel(0, 0)?, - parse_channel(1, 1)?, - parse_channel(2, 2)?, - ), - 4 => Color::from_rgba( - parse_channel(1, 1)?, - parse_channel(2, 2)?, - parse_channel(3, 3)?, - parse_channel(0, 0)?, - ), - 6 => Color::from_rgb( - parse_channel(0, 1)?, - parse_channel(2, 3)?, - parse_channel(4, 5)?, - ), - 8 => Color::from_rgba( - parse_channel(2, 3)?, - parse_channel(4, 5)?, - parse_channel(6, 7)?, - parse_channel(0, 1)?, - ), - _ => None?, - }) -} - -pub fn color_to_argb(color: Color) -> String { - use std::fmt::Write; - - let mut hex = String::with_capacity(9); - - let [r, g, b, a] = color.into_rgba8(); - - let _ = write!(&mut hex, "#"); - - if a < u8::MAX { - let _ = write!(&mut hex, "{a:02X}"); - } - - let _ = write!(&mut hex, "{r:02X}"); - let _ = write!(&mut hex, "{g:02X}"); - let _ = write!(&mut hex, "{b:02X}"); - - hex -} - -pub const fn lightness(color: Color) -> f32 { - color.r * 0.299 + color.g * 0.587 + color.b * 0.114 -} - -pub fn mix(color1: Color, color2: Color, p2: f32) -> Color { - if p2 <= 0.0 { - return color1; - } else if p2 >= 1.0 { - return color2; - } - - let p1 = 1.0 - p2; - - if (color1.a - 1.0).abs() > COLOR_ERROR_MARGIN - || (color2.a - 1.0).abs() > COLOR_ERROR_MARGIN - { - let a = color1.a * p1 + color2.a * p2; - if a > 0.0 { - let c1 = color1.into_linear().map(|c| c * color1.a * p1); - let c2 = color2.into_linear().map(|c| c * color2.a * p2); - - let [r, g, b] = - [c1[0] + c2[0], c1[1] + c2[1], c1[2] + c2[2]].map(|u| u / a); - - return Color::from_linear_rgba(r, g, b, a); - } - } - - let c1 = color1.into_linear().map(|c| c * p1); - let c2 = color2.into_linear().map(|c| c * p2); - - Color::from_linear_rgba( - c1[0] + c2[0], - c1[1] + c2[1], - c1[2] + c2[2], - c1[3] + c2[3], - ) -} - -#[cfg(test)] -mod tests { - use super::{Color, mix}; - - #[test] - fn mixing_works() { - let base = Color::from_rgba(1.0, 0.0, 0.0, 0.7); - let overlay = Color::from_rgba(0.0, 1.0, 0.0, 0.2); - - assert_eq!( - mix(base, overlay, 0.75).into_rgba8(), - Color::from_linear_rgba(0.53846, 0.46154, 0.0, 0.325).into_rgba8() - ); - } -} -- cgit v1.2.3