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LibWeb: Add AbstractImageStyleValue::natural_aspect_ratio()

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MacDue 2023-12-27 23:51:00 +01:00 • committed by Andreas Kling
parent bbceb155ce
commit d2c96e213f
3 changed files with 17 additions and 0 deletions
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9
Userland/Libraries/LibWeb/CSS/StyleValues/AbstractImageStyleValue.h
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@ -23,6 +23,15 @@ public:
virtual Optional<CSSPixels> natural_width() const { return {}; } virtual Optional<CSSPixels> natural_width() const { return {}; }
virtual Optional<CSSPixels> natural_height() const { return {}; } virtual Optional<CSSPixels> natural_height() const { return {}; }
virtual Optional<CSSPixelFraction> natural_aspect_ratio() const
{
auto width = natural_width();
auto height = natural_height();
if (width.has_value() && height.has_value())
return *width / *height;
return {};
}
virtual void load_any_resources(DOM::Document&) {}; virtual void load_any_resources(DOM::Document&) {};
virtual void resolve_for_size(Layout::NodeWithStyleAndBoxModelMetrics const&, CSSPixelSize) const {}; virtual void resolve_for_size(Layout::NodeWithStyleAndBoxModelMetrics const&, CSSPixelSize) const {};

7
Userland/Libraries/LibWeb/CSS/StyleValues/ImageStyleValue.cpp
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@ -124,6 +124,13 @@ Optional<CSSPixels> ImageStyleValue::natural_height() const
return {}; return {};
} }
Optional<CSSPixelFraction> ImageStyleValue::natural_aspect_ratio() const
{
if (auto image_data = this->image_data())
return image_data->intrinsic_aspect_ratio();
return {};
}
void ImageStyleValue::paint(PaintContext& context, DevicePixelRect const& dest_rect, CSS::ImageRendering image_rendering) const void ImageStyleValue::paint(PaintContext& context, DevicePixelRect const& dest_rect, CSS::ImageRendering image_rendering) const
{ {
if (auto const* b = bitmap(m_current_frame_index, dest_rect.size().to_type<int>()); b != nullptr) { if (auto const* b = bitmap(m_current_frame_index, dest_rect.size().to_type<int>()); b != nullptr) {

1
Userland/Libraries/LibWeb/CSS/StyleValues/ImageStyleValue.h
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@ -42,6 +42,7 @@ public:
Optional<CSSPixels> natural_width() const override; Optional<CSSPixels> natural_width() const override;
Optional<CSSPixels> natural_height() const override; Optional<CSSPixels> natural_height() const override;
Optional<CSSPixelFraction> natural_aspect_ratio() const override;
virtual bool is_paintable() const override; virtual bool is_paintable() const override;
void paint(PaintContext& context, DevicePixelRect const& dest_rect, CSS::ImageRendering image_rendering) const override; void paint(PaintContext& context, DevicePixelRect const& dest_rect, CSS::ImageRendering image_rendering) const override;