Improve blending of Length and other Length-related types

• Component: Animations
• Status: RESOLVED FIXED

[Antoine Quint]

Improve blending of Length and other Length-related types

[Antoine Quint]

Created attachment 422394 [details]
Patch for EWS

[Antoine Quint]

Created attachment 422482 [details]
Patch for EWS

[Antoine Quint]

Created attachment 422490 [details]
Patch

[Antoine Quint]

*** Bug 222514 has been marked as a duplicate of this bug. ***

[Antti Koivisto]

Comment on attachment 422490 [details]
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=422490&action=review

> Source/WebCore/animation/CSSPropertyAnimation.cpp:703
>  class LengthPropertyWrapper : public PropertyWrapperGetter<const Length&> {
>      WTF_MAKE_FAST_ALLOCATED;
>  public:
> -    LengthPropertyWrapper(CSSPropertyID prop, const Length& (RenderStyle::*getter)() const, void (RenderStyle::*setter)(Length&&))
> +    enum class Flags {
> +        IsLengthPercentage          = 1 << 0,
> +        NegativeLengthsAreInvalid   = 1 << 1,
> +    };
> +    LengthPropertyWrapper(CSSPropertyID prop, const Length& (RenderStyle::*getter)() const, void (RenderStyle::*setter)(Length&&), OptionSet<Flags> flags = { })

I think you could make the flags a template argument instead as they are fixed for a given property type.

Not sure if this has much practical significance though and could be done separately.

> Source/WebCore/animation/CSSPropertyAnimation.cpp:712
> -        return !this->value(a).isAuto() && !this->value(b).isAuto();
> +        return canInterpolateLengths(this->value(a), this->value(b), m_flags.contains(Flags::IsLengthPercentage));

Then canInterpolateLengths would also take IsLengthPercentage as template argument.

[EWS]

Committed r274038: <https://commits.webkit.org/r274038>

All reviewed patches have been landed. Closing bug and clearing flags on attachment 422490 [details].

[Radar WebKit Bug Importer]

<rdar://problem/75133641>