Extract color conversion functions

showbits-common/src/color.rs

@@ -0,0 +1,21 @@
+use palette::Srgb;
+
+pub fn from_image_rgb(color: image::Rgb<u8>) -> Srgb {
+    let [r, g, b] = color.0;
+    Srgb::new(r, g, b).into_format()
+}
+
+pub fn to_image_rgb(color: Srgb) -> image::Rgb<u8> {
+    let color = color.into_format::<u8>();
+    image::Rgb([color.red, color.green, color.blue])
+}
+
+pub fn from_text_color(color: cosmic_text::Color) -> Srgb {
+    let [r, g, b, _] = color.as_rgba();
+    Srgb::new(r, g, b).into_format()
+}
+
+pub fn to_text_color(color: Srgb) -> cosmic_text::Color {
+    let color = color.into_format::<u8>();
+    cosmic_text::Color::rgb(color.red, color.green, color.blue)
+}