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LibWeb: Parse aspect-ratio property

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Parse it, store the result in the ComputedValues, and also expose it to
ResolvedCSSStyleDeclaration.
This commit is contained in:
Sam Atkins 2023-06-08 15:25:16 +01:00 • committed by Andreas Kling
parent 5e3da93f1a
commit 6fd3b39bef
6 changed files with 102 additions and 0 deletions
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10
Userland/Libraries/LibWeb/CSS/ComputedValues.h
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@ -15,6 +15,7 @@
#include <LibWeb/CSS/GridTrackSize.h>
#include <LibWeb/CSS/LengthBox.h>
#include <LibWeb/CSS/PercentageOr.h>
#include <LibWeb/CSS/Ratio.h>
#include <LibWeb/CSS/Size.h>
#include <LibWeb/CSS/StyleValues/AbstractImageStyleValue.h>
#include <LibWeb/CSS/StyleValues/ShadowStyleValue.h>
@ -22,8 +23,14 @@
namespace Web::CSS {
struct AspectRatio {
bool use_natural_aspect_ratio_if_available;
Optional<Ratio> preferred_ratio;
};
class InitialValues {
public:
static AspectRatio aspect_ratio() { return AspectRatio { true, {} }; }
static float font_size() { return 16; }
static int font_weight() { return 400; }
static CSS::FontVariant font_variant() { return CSS::FontVariant::Normal; }
@ -211,6 +218,7 @@ inline Gfx::Painter::ScalingMode to_gfx_scaling_mode(CSS::ImageRendering css_val
class ComputedValues {
public:
AspectRatio aspect_ratio() const { return m_noninherited.aspect_ratio; }
CSS::Float float_() const { return m_noninherited.float_; }
CSS::Clear clear() const { return m_noninherited.clear; }
CSS::Clip clip() const { return m_noninherited.clip; }
@ -344,6 +352,7 @@ protected:
} m_inherited;
struct {
AspectRatio aspect_ratio { InitialValues::aspect_ratio() };
CSS::Float float_ { InitialValues::float_() };
CSS::Clear clear { InitialValues::clear() };
CSS::Clip clip { InitialValues::clip() };
@ -418,6 +427,7 @@ class ImmutableComputedValues final : public ComputedValues {
class MutableComputedValues final : public ComputedValues {
public:
void set_aspect_ratio(AspectRatio aspect_ratio) { m_noninherited.aspect_ratio = aspect_ratio; }
void set_font_size(float font_size) { m_inherited.font_size = font_size; }
void set_font_weight(int font_weight) { m_inherited.font_weight = font_weight; }
void set_font_variant(CSS::FontVariant font_variant) { m_inherited.font_variant = font_variant; }