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LibWeb: Add "object-position" CSS property into ComputedValues

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Aliaksandr Kalenik 2024-02-26 11:33:54 +01:00 • committed by Andreas Kling
parent 677a00ed92
commit a0dc9584de
5 changed files with 46 additions and 29 deletions
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12
Userland/Libraries/LibWeb/CSS/ComputedValues.h
View file

@ -21,6 +21,7 @@
#include <LibWeb/CSS/Ratio.h>
#include <LibWeb/CSS/Size.h>
#include <LibWeb/CSS/StyleValues/AbstractImageStyleValue.h>
#include <LibWeb/CSS/StyleValues/PositionStyleValue.h>
#include <LibWeb/CSS/StyleValues/ShadowStyleValue.h>
#include <LibWeb/CSS/Transformation.h>
@ -76,6 +77,13 @@ struct ResolvedBackdropFilter {
Vector<FilterFunction> filters;
};
struct ObjectPosition {
PositionEdge edge_x { PositionEdge::Left };
CSS::LengthPercentage offset_x { Percentage(50) };
PositionEdge edge_y { PositionEdge::Top };
CSS::LengthPercentage offset_y { Percentage(50) };
};
class InitialValues {
public:
static AspectRatio aspect_ratio() { return AspectRatio { true, {} }; }
@ -154,6 +162,7 @@ public:
static Vector<Vector<String>> grid_template_areas() { return {}; }
static CSS::Time transition_delay() { return CSS::Time::make_seconds(0); }
static CSS::ObjectFit object_fit() { return CSS::ObjectFit::Fill; }
static CSS::ObjectPosition object_position() { return {}; }
static Color outline_color() { return Color::Black; }
static CSS::Length outline_offset() { return CSS::Length::make_px(0); }
static CSS::OutlineStyle outline_style() { return CSS::OutlineStyle::None; }
@ -359,6 +368,7 @@ public:
CSS::BorderCollapse border_collapse() const { return m_inherited.border_collapse; }
Vector<Vector<String>> const& grid_template_areas() const { return m_noninherited.grid_template_areas; }
CSS::ObjectFit object_fit() const { return m_noninherited.object_fit; }
CSS::ObjectPosition object_position() const { return m_noninherited.object_position; }
CSS::LengthBox const& inset() const { return m_noninherited.inset; }
const CSS::LengthBox& margin() const { return m_noninherited.margin; }
@ -548,6 +558,7 @@ protected:
CSS::Length outline_width { InitialValues::outline_width() };
CSS::TableLayout table_layout { InitialValues::table_layout() };
CSS::ObjectFit object_fit { InitialValues::object_fit() };
CSS::ObjectPosition object_position { InitialValues::object_position() };
Optional<MaskReference> mask;
CSS::MaskType mask_type { InitialValues::mask_type() };
@ -660,6 +671,7 @@ public:
void set_table_layout(CSS::TableLayout value) { m_noninherited.table_layout = value; }
void set_quotes(CSS::QuotesData value) { m_inherited.quotes = value; }
void set_object_fit(CSS::ObjectFit value) { m_noninherited.object_fit = value; }
void set_object_position(CSS::ObjectPosition value) { m_noninherited.object_position = value; }
void set_fill(SVGPaint value) { m_inherited.fill = value; }
void set_stroke(SVGPaint value) { m_inherited.stroke = value; }

18
Userland/Libraries/LibWeb/CSS/StyleProperties.cpp
View file

@ -1026,10 +1026,24 @@ Optional<CSS::ObjectFit> StyleProperties::object_fit() const
return value_id_to_object_fit(value->to_identifier());
}
CSS::PositionStyleValue const& StyleProperties::object_position() const
CSS::ObjectPosition StyleProperties::object_position() const
{
auto value = property(CSS::PropertyID::ObjectPosition);
return value->as_position();
auto const& position = value->as_position();
CSS::ObjectPosition object_position;
auto const& edge_x = position.edge_x();
auto const& edge_y = position.edge_y();
if (edge_x->is_edge()) {
auto const& edge = edge_x->as_edge();
object_position.edge_x = edge.edge();
object_position.offset_x = edge.offset();
}
if (edge_y->is_edge()) {
auto const& edge = edge_y->as_edge();
object_position.edge_y = edge.edge();
object_position.offset_y = edge.offset();
}
return object_position;
}
Optional<CSS::TableLayout> StyleProperties::table_layout() const

2
Userland/Libraries/LibWeb/CSS/StyleProperties.h
View file

@ -114,7 +114,7 @@ public:
Vector<Vector<String>> grid_template_areas() const;
String grid_area() const;
Optional<CSS::ObjectFit> object_fit() const;
CSS::PositionStyleValue const& object_position() const;
CSS::ObjectPosition object_position() const;
Optional<CSS::TableLayout> table_layout() const;
static Vector<CSS::Transformation> transformations_for_style_value(StyleValue const& value);

2
Userland/Libraries/LibWeb/Layout/Node.cpp
View file

@ -833,6 +833,8 @@ void NodeWithStyle::apply_style(const CSS::StyleProperties& computed_style)
if (auto object_fit = computed_style.object_fit(); object_fit.has_value())
computed_values.set_object_fit(object_fit.value());
computed_values.set_object_position(computed_style.object_position());
propagate_style_to_anonymous_wrappers();
}

41
Userland/Libraries/LibWeb/Painting/ImagePaintable.cpp
View file

@ -71,7 +71,6 @@ void ImagePaintable::paint(PaintContext& context, PaintPhase phase) const
auto image_int_rect = image_rect.to_type<int>();
auto bitmap_rect = bitmap->rect();
auto scaling_mode = to_gfx_scaling_mode(computed_values().image_rendering(), bitmap_rect, image_int_rect);
auto& dom_element = verify_cast<DOM::Element>(*dom_node());
auto bitmap_aspect_ratio = (float)bitmap_rect.height() / bitmap_rect.width();
auto image_aspect_ratio = (float)image_rect.height().value() / image_rect.width().value();
@ -121,37 +120,27 @@ void ImagePaintable::paint(PaintContext& context, PaintPhase phase) const
bitmap_intersect.set_x((bitmap_rect.width() - bitmap_intersect.width()) / 2);
bitmap_intersect.set_y((bitmap_rect.height() - bitmap_intersect.height()) / 2);
CSS::PositionStyleValue const& object_position = dom_element.computed_css_values()->object_position();
auto const& object_position = computed_values().object_position();
auto offset_x = 0;
auto const& horizontal = object_position.edge_x();
if (horizontal->is_edge()) {
auto const& horizontal_edge = horizontal->as_edge();
auto const& offset = horizontal_edge.offset();
if (horizontal_edge.edge() == CSS::PositionEdge::Left) {
offset_x = offset.to_px(layout_node(), residual_horizontal).to_int();
bitmap_intersect.set_x(0);
} else if (horizontal_edge.edge() == CSS::PositionEdge::Right) {
offset_x = residual_horizontal.to_int() - offset.to_px(layout_node(), residual_horizontal).to_int();
}
if (image_int_rect.width() < scaled_bitmap_width)
bitmap_intersect.set_x(-(offset_x / scale_x));
if (object_position.edge_x == CSS::PositionEdge::Left) {
offset_x = object_position.offset_x.to_px(layout_node(), residual_horizontal).to_int();
bitmap_intersect.set_x(0);
} else if (object_position.edge_x == CSS::PositionEdge::Right) {
offset_x = residual_horizontal.to_int() - object_position.offset_x.to_px(layout_node(), residual_horizontal).to_int();
}
if (image_int_rect.width() < scaled_bitmap_width)
bitmap_intersect.set_x(-(offset_x / scale_x));
auto offset_y = 0;
auto const& vertical = object_position.edge_y();
if (vertical->is_edge()) {
auto const& vertical_edge = vertical->as_edge();
auto const& offset = vertical_edge.offset();
if (vertical_edge.edge() == CSS::PositionEdge::Top) {
offset_y = offset.to_px(layout_node(), residual_vertical).to_int();
bitmap_intersect.set_y(0);
} else if (vertical_edge.edge() == CSS::PositionEdge::Bottom) {
offset_y = residual_vertical.to_int() - offset.to_px(layout_node(), residual_vertical).to_int();
}
if (image_int_rect.height() < scaled_bitmap_height)
bitmap_intersect.set_y(-(offset_y / scale_y));
if (object_position.edge_y == CSS::PositionEdge::Top) {
offset_y = object_position.offset_y.to_px(layout_node(), residual_vertical).to_int();
bitmap_intersect.set_y(0);
} else if (object_position.edge_y == CSS::PositionEdge::Bottom) {
offset_y = residual_vertical.to_int() - object_position.offset_y.to_px(layout_node(), residual_vertical).to_int();
}
if (image_int_rect.height() < scaled_bitmap_height)
bitmap_intersect.set_y(-(offset_y / scale_y));
Gfx::IntRect draw_rect = {
image_int_rect.x() + offset_x,