feat(material_theme): impl `scrollable::Catalog`

1 files changed, 18 insertions, 1 deletions

diff --git a/material_theme/src/utils.rs b/material_theme/src/utils.rs
index c9eb78e..7efec9b 100644
--- a/material_theme/src/utils.rs
+++ b/material_theme/src/utils.rs
@@ -1,4 +1,10 @@
-use iced_widget::core::Color;
+use iced_widget::core::{Color, Shadow, Vector};
+
+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 {
@@ -11,6 +17,17 @@ pub fn elevation(elevation_level: u8) -> f32 {
     } 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 mix(color1: Color, color2: Color, p2: f32) -> Color {
     if p2 <= 0.0 {
         return color1;