bendns' repos / gracilaria
A simple CPU rendered GUI IDE experience.
Diffstat (limited to 'src/text/color.rs')
-rw-r--r--src/text/color.rs29
1 files changed, 29 insertions, 0 deletions
diff --git a/src/text/color.rs b/src/text/color.rs
new file mode 100644
index 0000000..5c99278
--- /dev/null
+++ b/src/text/color.rs
@@ -0,0 +1,29 @@
+use atools::*;
+pub const fn color_(x: &str) -> [u8; 3] {
+ let x = x.as_bytes().as_array::<7>().unwrap();
+ color(&x)
+}
+
+pub const fn set_a(x: [u8; 3], to: f32) -> [u8; 3] {
+ x.map(const |x| (((x as f32 / 255.0) * to) * 255.0) as u8)
+}
+pub const fn color<const N: usize>(x: &[u8; N]) -> [u8; (N - 1) / 2]
+where
+ [(); N - 1]:,
+ [(); (N - 1) % 2 + usize::MAX]:,
+{
+ let x = x.tail();
+ let parse = x.map(const |b| (b & 0xF) + 9 * (b >> 6)).chunked::<2>();
+ parse.map(const |[a, b]| a * 16 + b)
+}
+
+macro_rules! col {
+ ($x:literal) => {{
+ const __N: usize = $x.len();
+ const { crate::text::color($x.as_bytes().as_array::<__N>().unwrap()) }
+ }};
+ ($($x:literal),+)=> {{
+ ($(crate::text::col!($x),)+)
+ }};
+}
+pub(crate) use col;