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LibWeb: Store all background properties in BackgroundLayerData

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All of this is now passed along to `paint_background()`. :^)

(As always, "all" excludes the background-color since that's not a layer
property.)
This commit is contained in:
Sam Atkins 2021-11-12 16:30:21 +00:00 • committed by Andreas Kling
parent 3d127472ba
commit aa43bee0d1
3 changed files with 96 additions and 5 deletions
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16
Userland/Libraries/LibWeb/CSS/ComputedValues.h
View file

@ -39,9 +39,19 @@ public:
};
struct BackgroundLayerData {
RefPtr<CSS::ImageStyleValue> image;
CSS::Repeat repeat_x;
CSS::Repeat repeat_y;
RefPtr<CSS::ImageStyleValue> image { nullptr };
CSS::BackgroundAttachment attachment { CSS::BackgroundAttachment::Scroll };
CSS::BackgroundBox origin { CSS::BackgroundBox::PaddingBox };
CSS::BackgroundBox clip { CSS::BackgroundBox::BorderBox };
CSS::PositionEdge position_edge_x { CSS::PositionEdge::Left };
CSS::Length position_offset_x { CSS::Length::make_px(0) };
CSS::PositionEdge position_edge_y { CSS::PositionEdge::Top };
CSS::Length position_offset_y { CSS::Length::make_px(0) };
CSS::BackgroundSize size_type { CSS::BackgroundSize::LengthPercentage };
CSS::Length size_x { CSS::Length::make_auto() };
CSS::Length size_y { CSS::Length::make_auto() };
CSS::Repeat repeat_x { CSS::Repeat::Repeat };
CSS::Repeat repeat_y { CSS::Repeat::Repeat };
};
struct BorderData {

18
Userland/Libraries/LibWeb/CSS/StyleValue.h
View file

@ -39,6 +39,24 @@ enum class AlignItems {
Stretch,
};
enum class BackgroundAttachment {
Fixed,
Local,
Scroll,
};
enum class BackgroundBox {
BorderBox,
ContentBox,
PaddingBox,
};
enum class BackgroundSize {
Contain,
Cover,
LengthPercentage,
};
enum class BoxSizing {
BorderBox,
ContentBox,

67
Userland/Libraries/LibWeb/Layout/Node.cpp
View file

@ -255,13 +255,76 @@ void NodeWithStyle::apply_style(const CSS::StyleProperties& specified_style)
for (size_t layer_index = 0; layer_index < layer_count; layer_index++) {
CSS::BackgroundLayerData layer;
// TODO: Other properties
if (auto image_value = value_for_layer(images, layer_index); image_value && image_value->is_image()) {
layer.image = image_value->as_image();
layer.image->load_bitmap(document());
}
if (auto attachment_value = value_for_layer(attachments, layer_index); attachment_value && attachment_value->has_identifier()) {
switch (attachment_value->to_identifier()) {
case CSS::ValueID::Fixed:
layer.attachment = CSS::BackgroundAttachment::Fixed;
break;
case CSS::ValueID::Local:
layer.attachment = CSS::BackgroundAttachment::Local;
break;
case CSS::ValueID::Scroll:
layer.attachment = CSS::BackgroundAttachment::Scroll;
break;
default:
break;
}
}
auto as_box = [](auto value_id) {
switch (value_id) {
case CSS::ValueID::BorderBox:
return CSS::BackgroundBox::BorderBox;
case CSS::ValueID::ContentBox:
return CSS::BackgroundBox::ContentBox;
case CSS::ValueID::PaddingBox:
return CSS::BackgroundBox::PaddingBox;
default:
VERIFY_NOT_REACHED();
}
};
if (auto origin_value = value_for_layer(origins, layer_index); origin_value && origin_value->has_identifier()) {
layer.origin = as_box(origin_value->to_identifier());
}
if (auto clip_value = value_for_layer(clips, layer_index); clip_value && clip_value->has_identifier()) {
layer.clip = as_box(clip_value->to_identifier());
}
if (auto position_value = value_for_layer(positions, layer_index); position_value && position_value->is_position()) {
auto& position = position_value->as_position();
layer.position_edge_x = position.edge_x();
layer.position_edge_y = position.edge_y();
layer.position_offset_x = position.offset_x();
layer.position_offset_y = position.offset_y();
}
if (auto size_value = value_for_layer(sizes, layer_index); size_value) {
if (size_value->is_background_size()) {
auto& size = size_value->as_background_size();
layer.size_type = CSS::BackgroundSize::LengthPercentage;
layer.size_x = size.size_x();
layer.size_y = size.size_y();
} else if (size_value->has_identifier()) {
switch (size_value->to_identifier()) {
case CSS::ValueID::Contain:
layer.size_type = CSS::BackgroundSize::Contain;
break;
case CSS::ValueID::Cover:
layer.size_type = CSS::BackgroundSize::Cover;
break;
default:
break;
}
}
}
if (auto repeat_value = value_for_layer(repeats, layer_index); repeat_value && repeat_value->is_background_repeat()) {
layer.repeat_x = repeat_value->as_background_repeat().repeat_x();
layer.repeat_y = repeat_value->as_background_repeat().repeat_y();