ladybird/Libraries/LibWeb/Painting/BackgroundPainting.h

52 lines
1.5 KiB
C++

/*
* Copyright (c) 2021-2022, Sam Atkins <atkinssj@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibWeb/Forward.h>
#include <LibWeb/Painting/BorderPainting.h>
#include <LibWeb/Painting/PaintContext.h>
namespace Web::Painting {
struct ResolvedBackgroundLayerData {
RefPtr<CSS::AbstractImageStyleValue const> background_image;
CSS::BackgroundAttachment attachment;
CSS::BackgroundBox clip;
CSS::PositionEdge position_edge_x;
CSS::PositionEdge position_edge_y;
CSSPixels offset_x;
CSSPixels offset_y;
CSSPixelRect background_positioning_area;
CSSPixelRect image_rect;
CSS::Repeat repeat_x;
CSS::Repeat repeat_y;
};
struct BackgroundBox {
CSSPixelRect rect;
BorderRadiiData radii;
inline void shrink(CSSPixels top, CSSPixels right, CSSPixels bottom, CSSPixels left)
{
rect.shrink(top, right, bottom, left);
radii.shrink(top, right, bottom, left);
}
};
struct ResolvedBackground {
BackgroundBox color_box;
Vector<ResolvedBackgroundLayerData> layers;
bool needs_text_clip { false };
CSSPixelRect background_rect {};
Color color {};
};
ResolvedBackground resolve_background_layers(Vector<CSS::BackgroundLayerData> const& layers, PaintableBox const& paintable_box, Color background_color, CSSPixelRect const& border_rect, BorderRadiiData const& border_radii);
void paint_background(PaintContext&, PaintableBox const&, CSS::ImageRendering, ResolvedBackground resolved_background, BorderRadiiData const&);
}