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ladybird/Userland/Libraries/LibWeb/CSS
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Lucas CHOLLET 3406b69614 LibGfx+LibWeb/CSS: Add support for the lab() color function 
The support in LibWeb is quite easy as the previous commits introduced
helpers to support lab-like colors.

Now for the methods in Color:
 - The formulas in `from_lab()` are derived from the CIEXYZ to CIELAB
   formulas the "Colorimetry" paper published by the CIE.
 - The conversion in `from_xyz50()` can be decomposed in multiple steps
   XYZ D50 -> XYZ D65 -> Linear sRGB -> sRGB. The two first conversion
   are done with a singular matrix operation. This matrix was generated
   with a Python script [1].

This commit makes us pass all the `css/css-color/lab-00*.html` WPT
tests (0 to 7 at the time of writing).

[1] Python script used to generate the XYZ D50 -> Linear sRGB
conversion:

```python
import numpy as np

# http://www.brucelindbloom.com/index.html?Eqn_ChromAdapt.html
# First let's convert from D50 to D65 using the Bradford method.
m_a = np.array([
    [0.8951000, 0.2664000, -0.1614000],
    [-0.7502000, 1.7135000, 0.0367000],
    [0.0389000, -0.0685000, 1.0296000]
])

# D50
chromaticities_source = np.array([0.96422, 1, 0.82521])
# D65
chromaticities_destination = np.array([0.9505, 1, 1.0890])

cone_response_source = m_a @ chromaticities_source
cone_response_destination = m_a @ chromaticities_destination

cone_response_ratio = cone_response_destination / cone_response_source
m = np.linalg.inv(m_a) @ np.diagflat(cone_response_ratio) @ m_a

D50_to_D65 = m

# https://en.wikipedia.org/wiki/SRGB#From_CIE_XYZ_to_sRGB
# Then, the matrix to convert to linear sRGB.
xyz_65_to_srgb = np.array([
    [3.2406, - 1.5372, - 0.4986],
    [-0.9689, + 1.8758, 0.0415],
    [0.0557, - 0.2040, 1.0570]
])

# Finally, let's retrieve the final transformation.
xyz_50_to_srgb = xyz_65_to_srgb @ D50_to_D65

print(xyz_50_to_srgb)
```
2024-10-27 10:20:03 +01:00
..
Parser LibGfx+LibWeb/CSS: Add support for the lab() color function 2024-10-27 10:20:03 +01:00
StyleValues LibGfx+LibWeb/CSS: Add support for the lab() color function 2024-10-27 10:20:03 +01:00
SyntaxHighlighter LibWeb/CSS: Remove tiny-oom propagation from CSS Tokenizer 2024-07-26 17:29:20 +02:00
Angle.cpp LibWeb/CSS: Rename CalculatedStyleValue -> CSSMathValue 2024-09-18 20:38:41 +01:00
Angle.h LibWeb/CSS: Rename CalculatedStyleValue -> CSSMathValue 2024-09-18 20:38:41 +01:00
AnimationEvent.cpp LibWeb: Remove Bindings/Forward.h from LibWeb/Forward.h 2024-04-27 18:29:35 -04:00
AnimationEvent.h LibWeb: Add calls to JS_{DECLARE,DEFINE}_ALLOCATOR() 2024-04-09 09:13:06 +02:00
AnimationEvent.idl LibWeb: Normalize all WebIDL definition lines to four leading spaces 2024-09-10 21:16:53 +01:00
CalculatedOr.cpp LibWeb/CSS: Rename CalculatedStyleValue -> CSSMathValue 2024-09-18 20:38:41 +01:00
CalculatedOr.h LibWeb/CSS: Rename CalculatedStyleValue -> CSSMathValue 2024-09-18 20:38:41 +01:00
Clip.cpp
Clip.h
ColumnCount.h
ComputedValues.h LibWeb: Parse and store filter property 2024-10-26 11:26:42 +02:00
CountersSet.cpp LibWeb: Make DOM Node unique IDs strongly typed (and 64 bit) 2024-10-20 13:42:33 +02:00
CountersSet.h LibWeb: Make DOM Node unique IDs strongly typed (and 64 bit) 2024-10-20 13:42:33 +02:00
CSS.cpp LibWeb/CSS: Implement "is a custom property name string" to spec 2024-10-14 08:08:37 +02:00
CSS.h
CSS.idl
CSSAnimation.cpp LibWeb: Move "owning element" of Animation classes into Animation 2024-09-22 06:41:55 +02:00
CSSAnimation.h LibWeb: Move "owning element" of Animation classes into Animation 2024-09-22 06:41:55 +02:00
CSSAnimation.idl LibWeb: Normalize all WebIDL definition lines to four leading spaces 2024-09-10 21:16:53 +01:00
CSSConditionRule.cpp Meta: Update my e-mail address everywhere 2024-10-04 13:19:50 +02:00
CSSConditionRule.h LibWeb/CSS: Replace style-rule iteration methods with a generic one 2024-09-06 07:49:55 +02:00
CSSConditionRule.idl LibWeb: Make CSSConditionRule.conditionText read-only 2024-02-28 22:14:58 +01:00
CSSFontFaceRule.cpp Meta: Update my e-mail address everywhere 2024-10-04 13:19:50 +02:00
CSSFontFaceRule.h Meta: Update my e-mail address everywhere 2024-10-04 13:19:50 +02:00
CSSFontFaceRule.idl
CSSGroupingRule.cpp Meta: Update my e-mail address everywhere 2024-10-04 13:19:50 +02:00
CSSGroupingRule.h LibWeb/CSS: Replace style-rule iteration methods with a generic one 2024-09-06 07:49:55 +02:00
CSSGroupingRule.idl
CSSImportRule.cpp LibWeb: Allow CSS @import rule to import non-UTF-8 style sheets 2024-10-12 19:20:22 +02:00
CSSImportRule.h Meta: Update my e-mail address everywhere 2024-10-04 13:19:50 +02:00
CSSImportRule.idl LibWeb: Use 'FIXME' extended attribute where possible 2024-05-19 16:24:11 +02:00
CSSKeyframeRule.cpp LibWeb: Implement CSSStyleDeclaration.parentRule 2024-06-14 20:45:37 +02:00
CSSKeyframeRule.h LibWeb: Implement CSSKeyframesRule.cssRuleList 2024-06-14 20:45:37 +02:00
CSSKeyframeRule.idl
CSSKeyframesRule.cpp LibWeb: Make CSSKeyframeRule.parentRule actually point to parent rule 2024-06-14 20:45:37 +02:00
CSSKeyframesRule.h LibWeb: Make CSSKeyframeRule.parentRule actually point to parent rule 2024-06-14 20:45:37 +02:00
CSSKeyframesRule.idl LibWeb: Implement CSSKeyframesRule.cssRuleList 2024-06-14 20:45:37 +02:00
CSSLayerBlockRule.cpp LibWeb: Cache the qualified layer name in CSSRule 2024-09-07 13:23:55 +02:00
CSSLayerBlockRule.h LibWeb/CSS: Add CSSOM types for @layer rules 2024-09-06 07:49:55 +02:00
CSSLayerBlockRule.idl LibWeb/CSS: Add CSSOM types for @layer rules 2024-09-06 07:49:55 +02:00
CSSLayerStatementRule.cpp LibWeb: Cache the qualified layer name in CSSRule 2024-09-07 13:23:55 +02:00
CSSLayerStatementRule.h LibWeb/CSS: Add CSSOM types for @layer rules 2024-09-06 07:49:55 +02:00
CSSLayerStatementRule.idl LibWeb/CSS: Add CSSOM types for @layer rules 2024-09-06 07:49:55 +02:00
CSSMediaRule.cpp LibWeb/CSS: Don't serialize empty rules in CSSMediaRule 2024-10-14 09:50:41 +01:00
CSSMediaRule.h Meta: Update my e-mail address everywhere 2024-10-04 13:19:50 +02:00
CSSMediaRule.idl
CSSNamespaceRule.cpp LibWeb: Avoid FlyString lookups when setting IDL interface prototypes 2024-03-16 16:35:54 +01:00
CSSNamespaceRule.h
CSSNamespaceRule.idl
CSSNestedDeclarations.cpp LibWeb: Implement CSSNestedDeclarations type 2024-10-17 20:55:55 +02:00
CSSNestedDeclarations.h LibWeb: Implement CSSNestedDeclarations type 2024-10-17 20:55:55 +02:00
CSSNestedDeclarations.idl LibWeb: Implement CSSNestedDeclarations type 2024-10-17 20:55:55 +02:00
CSSNumericType.cpp LibWeb/CSS: Add parsing for <opentype-tag> 2024-10-02 16:28:55 +01:00
CSSNumericType.h
CSSPropertyRule.cpp LibWeb: Add and implement CSSPropertyRule IDL and bindings 2024-10-23 06:55:37 +01:00
CSSPropertyRule.h LibWeb: Add and implement CSSPropertyRule IDL and bindings 2024-10-23 06:55:37 +01:00
CSSPropertyRule.idl LibWeb: Add and implement CSSPropertyRule IDL and bindings 2024-10-23 06:55:37 +01:00
CSSRule.cpp LibWeb: Add and implement CSSPropertyRule IDL and bindings 2024-10-23 06:55:37 +01:00
CSSRule.h LibWeb: Add and implement CSSPropertyRule IDL and bindings 2024-10-23 06:55:37 +01:00
CSSRule.idl
CSSRuleList.cpp LibWeb: Add and implement CSSPropertyRule IDL and bindings 2024-10-23 06:55:37 +01:00
CSSRuleList.h Meta: Update my e-mail address everywhere 2024-10-04 13:19:50 +02:00
CSSRuleList.idl
CSSStyleDeclaration.cpp LibWeb: Allow setting shorthand CSS properties via CSSStyleDeclaration 2024-09-22 09:45:59 +02:00
CSSStyleDeclaration.h Meta: Update my e-mail address everywhere 2024-10-04 13:19:50 +02:00
CSSStyleDeclaration.idl LibWeb: Remove unnecessary FIXME marker for CSSStyleDeclaration.cssFloat 2024-06-14 20:45:37 +02:00
CSSStyleRule.cpp LibWeb/CSS: Parse and use nested style rules 2024-10-17 20:55:55 +02:00
CSSStyleRule.h LibWeb/CSS: Parse and use nested style rules 2024-10-17 20:55:55 +02:00
CSSStyleRule.idl LibWeb/CSS: Make CSSStyleRule be a CSSGroupingRule 2024-10-14 08:08:37 +02:00
CSSStyleSheet.cpp LibWeb: Move JS::Promise <-> WebIDL conversion into IDL 2024-10-25 14:04:21 -06:00
CSSStyleSheet.h LibWeb: Move JS::Promise <-> WebIDL conversion into IDL 2024-10-25 14:04:21 -06:00
CSSStyleSheet.idl LibWeb: Remove first rule if no argument is given for remove_rule() 2024-02-24 21:59:28 +01:00
CSSStyleValue.cpp Meta: Update my e-mail address everywhere 2024-10-04 13:19:50 +02:00
CSSStyleValue.h Meta: Update my e-mail address everywhere 2024-10-04 13:19:50 +02:00
CSSSupportsRule.cpp LibWeb: Avoid FlyString lookups when setting IDL interface prototypes 2024-03-16 16:35:54 +01:00
CSSSupportsRule.h LibWeb: Make CSSConditionRule.conditionText read-only 2024-02-28 22:14:58 +01:00
CSSSupportsRule.idl
CSSTransition.cpp LibWeb: Start transitions when affected properties change 2024-09-22 06:41:55 +02:00
CSSTransition.h LibWeb: Start transitions when affected properties change 2024-09-22 06:41:55 +02:00
CSSTransition.idl LibWeb: Normalize all WebIDL definition lines to four leading spaces 2024-09-10 21:16:53 +01:00
Default.css LibWeb: Don't let input element placeholders influence line-height 2024-10-08 08:12:07 +02:00
Display.cpp Meta: Update my e-mail address everywhere 2024-10-04 13:19:50 +02:00
Display.h Meta: Update my e-mail address everywhere 2024-10-04 13:19:50 +02:00
EasingFunctions.json
EdgeRect.cpp Meta: Update my e-mail address everywhere 2024-10-04 13:19:50 +02:00
EdgeRect.h Meta: Update my e-mail address everywhere 2024-10-04 13:19:50 +02:00
ElementCSSInlineStyle.idl
Enums.json LibWeb: Parse the word-break css property 2024-10-26 00:18:02 +02:00
Filter.h LibWeb: Parse and store filter property 2024-10-26 11:26:42 +02:00
Flex.cpp
Flex.h LibWeb/CSS: Introduce CSSNumericValue and CSSUnitValue type stubs 2024-08-21 10:51:48 +01:00
FontFace.cpp LibWeb: Move JS::Promise <-> WebIDL conversion into IDL 2024-10-25 14:04:21 -06:00
FontFace.h LibWeb: Move JS::Promise <-> WebIDL conversion into IDL 2024-10-25 14:04:21 -06:00
FontFace.idl LibWeb: Support loading FontFaces constructed with binary data 2024-05-14 12:31:10 -06:00
FontFaceSet.cpp LibWeb: Move JS::Promise <-> WebIDL conversion into IDL 2024-10-25 14:04:21 -06:00
FontFaceSet.h LibWeb: Move JS::Promise <-> WebIDL conversion into IDL 2024-10-25 14:04:21 -06:00
FontFaceSet.idl LibWeb: Delete public constructor of FontFaceSet 2024-09-30 08:07:59 +02:00
Frequency.cpp LibWeb/CSS: Rename CalculatedStyleValue -> CSSMathValue 2024-09-18 20:38:41 +01:00
Frequency.h LibWeb/CSS: Rename CalculatedStyleValue -> CSSMathValue 2024-09-18 20:38:41 +01:00
GeneralEnclosed.h
GridTrackPlacement.cpp
GridTrackPlacement.h
GridTrackSize.cpp LibWeb/CSS: Serialize empty grid-template-* values correctly 2024-10-16 08:34:02 +02:00
GridTrackSize.h LibWeb: Implement grid-template function fit-content() 2024-07-25 13:12:26 +02:00
Interpolation.cpp LibWeb: Rename Layout::Node::paintable() to first_paintable() 2024-10-16 20:25:42 +02:00
Interpolation.h LibWeb: Start transitions when affected properties change 2024-09-22 06:41:55 +02:00
Keywords.json LibWeb: Parse the word-break css property 2024-10-26 00:18:02 +02:00
Length.cpp LibWeb/CSS: Rename CalculatedStyleValue -> CSSMathValue 2024-09-18 20:38:41 +01:00
Length.h LibWeb: Handle calculations without a context better 2024-10-16 16:39:47 +02:00
LengthBox.cpp Meta: Update my e-mail address everywhere 2024-10-04 13:19:50 +02:00
LengthBox.h Meta: Update my e-mail address everywhere 2024-10-04 13:19:50 +02:00
LinkStyle.idl
MathFunctions.json
MediaFeatures.json
MediaList.cpp LibWeb: Make empty media query lists evaluate to true 2024-10-07 14:50:57 +01:00
MediaList.h Meta: Update my e-mail address everywhere 2024-10-04 13:19:50 +02:00
MediaList.idl
MediaQuery.cpp AK: Make String::number() infallible 2024-10-14 20:47:35 +02:00
MediaQuery.h LibWeb: Rename "identifier" and "ValueID" to "Keyword" where correct 2024-08-15 13:58:38 +01:00
MediaQueryList.cpp LibWeb: Make empty media query lists evaluate to true 2024-10-07 14:50:57 +01:00
MediaQueryList.h
MediaQueryList.idl
MediaQueryListEvent.cpp Meta: Update my e-mail address everywhere 2024-10-04 13:19:50 +02:00
MediaQueryListEvent.h
MediaQueryListEvent.idl
Number.h AK: Make String::number() infallible 2024-10-14 20:47:35 +02:00
ParsedFontFace.cpp Meta: Update my e-mail address everywhere 2024-10-04 13:19:50 +02:00
ParsedFontFace.h Meta: Update my e-mail address everywhere 2024-10-04 13:19:50 +02:00
Percentage.h
PercentageOr.cpp LibWeb: Make CSS::PercentageOr<T> non-virtual 2024-08-02 20:37:40 +02:00
PercentageOr.h LibWeb/CSS: Rename CalculatedStyleValue -> CSSMathValue 2024-09-18 20:38:41 +01:00
PreferredColorScheme.cpp
PreferredColorScheme.h
PreferredContrast.cpp LibWeb: Add Contrast preference 2024-06-13 11:18:38 +02:00
PreferredContrast.h LibWeb: Add Contrast preference 2024-06-13 11:18:38 +02:00
PreferredMotion.cpp LibWeb: Add motion preference 2024-06-18 10:31:54 -04:00
PreferredMotion.h LibWeb: Add motion preference 2024-06-18 10:31:54 -04:00
Properties.json LibWeb: Parse and store filter property 2024-10-26 11:26:42 +02:00
PropertyName.h LibWeb/CSS: Implement "is a custom property name string" to spec 2024-10-14 08:08:37 +02:00
PseudoClasses.json LibWeb: Implement the :has() pseudo-class 2024-07-15 11:52:03 +01:00
QuirksMode.css
Ratio.cpp LibWeb: Limit ratio parts to 5 decimal places when printing 2024-03-03 19:50:25 +01:00
Ratio.h
Resolution.cpp LibWeb: Support the 'x' resolution unit identifier 2024-10-12 22:23:03 -06:00
Resolution.h LibWeb/CSS: Introduce CSSNumericValue and CSSUnitValue type stubs 2024-08-21 10:51:48 +01:00
ResolvedCSSStyleDeclaration.cpp LibWeb: Rename Layout::Node::paintable() to first_paintable() 2024-10-16 20:25:42 +02:00
ResolvedCSSStyleDeclaration.h Meta: Update my e-mail address everywhere 2024-10-04 13:19:50 +02:00
Screen.cpp LibWeb: Stub out Window-Management proposal extensions to Screen API 2024-05-27 17:24:51 -06:00
Screen.h LibWeb: Stub out Window-Management proposal extensions to Screen API 2024-05-27 17:24:51 -06:00
Screen.idl LibWeb: Stub out Window-Management proposal extensions to Screen API 2024-05-27 17:24:51 -06:00
ScreenOrientation.cpp LibWeb: Move JS::Promise <-> WebIDL conversion into IDL 2024-10-25 14:04:21 -06:00
ScreenOrientation.h LibWeb: Move JS::Promise <-> WebIDL conversion into IDL 2024-10-25 14:04:21 -06:00
ScreenOrientation.idl LibWeb: Add stubs for the Screen Orientation API 2024-04-03 10:09:58 +01:00
Selector.cpp LibWeb/CSS: Parse and use nested style rules 2024-10-17 20:55:55 +02:00
Selector.h LibWeb: Return Web::CSS::Selector::pseudo_element by reference 2024-10-27 09:33:17 +01:00
SelectorEngine.cpp LibWeb/CSS: Parse the & nesting selector 2024-10-17 20:55:55 +02:00
SelectorEngine.h Meta: Update my e-mail address everywhere 2024-10-04 13:19:50 +02:00
Serialize.cpp LibWeb: Limit color alpha values to 4 decimal places when serializing 2024-03-03 19:50:25 +01:00
Serialize.h
Size.cpp LibWeb: Replaced remaining usage and delete Size::resolved() 2024-10-06 18:51:03 +02:00
Size.h LibWeb: Replaced remaining usage and delete Size::resolved() 2024-10-06 18:51:03 +02:00
Sizing.cpp LibWeb: Move our "default sizing algorithm" function into a public place 2024-09-12 07:39:11 +02:00
Sizing.h LibWeb: Move our "default sizing algorithm" function into a public place 2024-09-12 07:39:11 +02:00
StyleComputer.cpp LibWeb: Add and implement CSSPropertyRule IDL and bindings 2024-10-23 06:55:37 +01:00
StyleComputer.h LibWeb/CSS: Process style properties from CSSNestedDeclarations rules 2024-10-17 20:55:55 +02:00
StyleInvalidation.cpp LibWeb: Rename "identifier" and "ValueID" to "Keyword" where correct 2024-08-15 13:58:38 +01:00
StyleInvalidation.h LibWeb: Rename StyleValue -> CSSStyleValue 2024-08-15 13:58:38 +01:00
StyleProperties.cpp LibWeb: Parse and store filter property 2024-10-26 11:26:42 +02:00
StyleProperties.h LibWeb: Parse and store filter property 2024-10-26 11:26:42 +02:00
StyleProperty.cpp Meta: Update my e-mail address everywhere 2024-10-04 13:19:50 +02:00
StyleProperty.h Meta: Update my e-mail address everywhere 2024-10-04 13:19:50 +02:00
StyleSheet.cpp Meta: Update my e-mail address everywhere 2024-10-04 13:19:50 +02:00
StyleSheet.h Meta: Update my e-mail address everywhere 2024-10-04 13:19:50 +02:00
StyleSheet.idl LibWeb: Align StyleSheet title getter with the specification 2024-04-29 08:10:38 +02:00
StyleSheetIdentifier.cpp LibWeb: Make DOM Node unique IDs strongly typed (and 64 bit) 2024-10-20 13:42:33 +02:00
StyleSheetIdentifier.h LibWeb: Make DOM Node unique IDs strongly typed (and 64 bit) 2024-10-20 13:42:33 +02:00
StyleSheetList.cpp LibWeb: Remove all font loaders linked to a StyleSheet when it's deleted 2024-09-22 20:10:30 +02:00
StyleSheetList.h LibWeb: Only invalidate shadow root when style sheet inside changes 2024-08-20 16:10:33 +02:00
StyleSheetList.idl
Supports.cpp LibWeb: Don't leak entire realm after parsing CSS @supports rule 2024-04-05 08:14:19 +02:00
Supports.h LibWeb/CSS: Rewrite CSS Parser core methods according to new spec 2024-10-14 08:08:37 +02:00
SystemColor.cpp
SystemColor.h
Time.cpp LibWeb/CSS: Rename CalculatedStyleValue -> CSSMathValue 2024-09-18 20:38:41 +01:00
Time.h LibWeb/CSS: Rename CalculatedStyleValue -> CSSMathValue 2024-09-18 20:38:41 +01:00
Transformation.cpp Meta: Update my e-mail address everywhere 2024-10-04 13:19:50 +02:00
Transformation.h
TransformFunctions.json
VisualViewport.cpp Meta: Update my e-mail address everywhere 2024-10-04 13:19:50 +02:00
VisualViewport.h Meta: Update my e-mail address everywhere 2024-10-04 13:19:50 +02:00
VisualViewport.idl