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LibWeb: Fix "background-clip: text" for elements nested in scrollable

Instead of carrying the display list for a mask in each command that
might potentially be affected by "background-clip: text", this change
introduces a new AddMask command that is applied once for all
background layers within one box.

The new AddMask command includes a rectangle for the mask destination
that is translated by the corresponding scroll offset.

Fixes https://github.com/LadybirdBrowser/ladybird/issues/857
This commit is contained in:
Aliaksandr Kalenik 2024-08-06 15:26:47 +03:00 committed by Alexander Kalenik
parent 861d46be3e
commit a8f4ea5226
Notes: github-actions[bot] 2024-08-06 19:15:33 +00:00
19 changed files with 135 additions and 97 deletions

View file

@ -60,7 +60,7 @@ public:
void resolve_for_size(Layout::NodeWithStyleAndBoxModelMetrics const&, CSSPixelSize) const override;
bool is_paintable() const override { return true; }
void paint(PaintContext& context, DevicePixelRect const& dest_rect, CSS::ImageRendering image_rendering, RefPtr<Painting::DisplayList> text_clip = {}) const override;
void paint(PaintContext& context, DevicePixelRect const& dest_rect, CSS::ImageRendering image_rendering) const override;
private:
LinearGradientStyleValue(GradientDirection direction, Vector<LinearColorStopListElement> color_stop_list, GradientType type, GradientRepeating repeating)