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Initial work on lab color fix

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This commit is contained in:
Kai Tamkun
2025-01-24 18:44:08 -08:00
parent 8f821b791a
commit cd3782548e
1 changed files with 25 additions and 13 deletions
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38
src/css/values/color.zig
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@@ -902,22 +902,34 @@ pub fn parseLab(
return this.parser.parseRelative(i, T, CssColor, @This().innerfn, .{});
}
pub fn innerfn(i: *css.Parser, p: *ComponentParser) Result(CssColor) {
// f32::max() does not propagate NaN, so use clamp for now until f32::maximum() is stable.
const l = bun.clamp(
switch (p.parsePercentage(i)) {
.result => |v| v,
.err => |e| return .{ .err = e },
fn parseAB(p: *ComponentParser, i: *css.Parser) Result(f32) {
const state = i.state();
switch (p.parseNumber(i)) {
.result => |v| return .{ .result = bun.clamp(v, -125.0, 125.0) },
.err => {
i.reset(&state);
return switch (p.parsePercentage(i)) {
.result => |pct| .{ .result = pct * 125.0 },
.err => |e| .{ .err = e },
};
},
}
}
pub fn innerfn(i: *css.Parser, p: *ComponentParser) Result(CssColor) {
const l = switch (p.parseNumberOrPercentage(i)) {
.result => |v| switch (v) {
.number => |n| bun.clamp(n.value, 0.0, 100.0) / 100.0,
.percentage => |pct| pct.unit_value,
},
0.0,
std.math.floatMax(f32),
);
const a = switch (p.parseNumber(i)) {
.result => |vv| vv,
.err => |e| return .{ .err = e },
};
const b = switch (p.parseNumber(i)) {
.result => |vv| vv,
const a = switch (parseAB(p, i)) {
.result => |v| v,
.err => |e| return .{ .err = e },
};
const b = switch (parseAB(p, i)) {
.result => |v| v,
.err => |e| return .{ .err = e },
};
const alpha = switch (parseAlpha(i, p)) {