ladybird/Libraries/LibWeb/Painting/BorderRadiiData.h
2024-11-25 21:13:53 +01:00

105 lines
2.7 KiB
C++

/*
* Copyright (c) 2020, Andreas Kling <andreas@ladybird.org>
* Copyright (c) 2021-2023, Sam Atkins <atkinssj@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibWeb/CSS/ComputedValues.h>
namespace Web::Painting {
struct CornerRadius {
int horizontal_radius { 0 };
int vertical_radius { 0 };
inline operator bool() const
{
return horizontal_radius > 0 && vertical_radius > 0;
}
};
struct BorderRadiusData {
CSSPixels horizontal_radius { 0 };
CSSPixels vertical_radius { 0 };
CornerRadius as_corner(PaintContext const& context) const;
inline operator bool() const
{
return horizontal_radius > 0 && vertical_radius > 0;
}
inline void shrink(CSSPixels horizontal, CSSPixels vertical)
{
if (horizontal_radius != 0)
horizontal_radius = max(CSSPixels(0), horizontal_radius - horizontal);
if (vertical_radius != 0)
vertical_radius = max(CSSPixels(0), vertical_radius - vertical);
}
inline void union_max_radii(BorderRadiusData const& other)
{
horizontal_radius = max(horizontal_radius, other.horizontal_radius);
vertical_radius = max(vertical_radius, other.vertical_radius);
}
};
struct CornerRadii {
CornerRadius top_left;
CornerRadius top_right;
CornerRadius bottom_right;
CornerRadius bottom_left;
inline bool has_any_radius() const
{
return top_left || top_right || bottom_right || bottom_left;
}
};
struct BorderRadiiData {
BorderRadiusData top_left;
BorderRadiusData top_right;
BorderRadiusData bottom_right;
BorderRadiusData bottom_left;
inline bool has_any_radius() const
{
return top_left || top_right || bottom_right || bottom_left;
}
inline void union_max_radii(BorderRadiiData const& other)
{
top_left.union_max_radii(other.top_left);
top_right.union_max_radii(other.top_right);
bottom_right.union_max_radii(other.bottom_right);
bottom_left.union_max_radii(other.bottom_left);
}
inline void shrink(CSSPixels top, CSSPixels right, CSSPixels bottom, CSSPixels left)
{
top_left.shrink(left, top);
top_right.shrink(right, top);
bottom_right.shrink(right, bottom);
bottom_left.shrink(left, bottom);
}
inline void inflate(CSSPixels top, CSSPixels right, CSSPixels bottom, CSSPixels left)
{
shrink(-top, -right, -bottom, -left);
}
inline CornerRadii as_corners(PaintContext const& context) const
{
return CornerRadii {
top_left.as_corner(context),
top_right.as_corner(context),
bottom_right.as_corner(context),
bottom_left.as_corner(context)
};
}
};
}