Tweak color hashing a bit

jamii · Aug 31, 2021 · 1874940 · 1874940
1 parent a63e079
commit 1874940
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Showing 2 changed files with 5 additions and 9 deletions.
diff --git a/lib/focus/common.zig b/lib/focus/common.zig
@@ -261,6 +261,8 @@ pub const Color = packed struct {
 
     pub fn hsl(h: f64, s: f64, l: f64) Color {
         assert(h >= 0 and h < 360);
+        assert(s >= 0 and s < 1);
+        assert(l >= 0 and l < 1);
         const ch = (1 - @fabs((2 * l) - 1)) * s;
         const x = ch * (1 - @fabs(@mod(h / 60, 2) - 1));
         const m = l - (ch / 2);

diff --git a/lib/focus/style.zig b/lib/focus/style.zig
@@ -14,17 +14,11 @@ pub const multi_cursor_color = Color{ .r = 0x7a, .g = 0xa6, .b = 0xda, .a = 255
 pub const paren_match_color = Color{ .r = 0x7a, .g = 0xa6, .b = 0xda, .a = 100 };
 
 pub fn highlightColor(ident: []const u8) Color {
-    const hash = focus.meta.deepHash(ident);
+    const hash = focus.meta.deepHash(.{ @intCast(u64, 7919), ident });
+    const saturation = [3]f64{ 0.4, 0.6, 0.8 };
     return Color.hsl(
         @intToFloat(f64, hash % 360),
-        0.8,
-        //0.5 + (@intToFloat(f64, (hash >> 8) % 256) / 512),
+        saturation[@divTrunc(hash, 360) % 3],
         0.8,
     );
-    //return .{
-    //    .r = @intCast(u8, 192 + ((hash >> 0) % 64)),
-    //    .g = @intCast(u8, 192 + ((hash >> 8) % 64)),
-    //    .b = @intCast(u8, 192 + ((hash >> 16) % 64)),
-    //    .a = 255,
-    //};
 }