d4932196cc
With this change, instead of applying only the border-radius clipping from the closest containing block with hidden overflow, we now collect all boxes within the containing block chain and apply the clipping from all of them.
99 lines
2.7 KiB
C++
99 lines
2.7 KiB
C++
/*
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* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
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* Copyright (c) 2021-2023, Sam Atkins <atkinssj@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <LibGfx/AntiAliasingPainter.h>
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#include <LibGfx/Forward.h>
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#include <LibWeb/CSS/ComputedValues.h>
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namespace Web::Painting {
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struct BorderRadiusData {
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CSSPixels horizontal_radius { 0 };
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CSSPixels vertical_radius { 0 };
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Gfx::AntiAliasingPainter::CornerRadius as_corner(PaintContext const& context) const;
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inline operator bool() const
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{
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return horizontal_radius > 0 || vertical_radius > 0;
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}
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inline void shrink(CSSPixels horizontal, CSSPixels vertical)
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{
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if (horizontal_radius != 0)
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horizontal_radius = max(CSSPixels(0), horizontal_radius - horizontal);
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if (vertical_radius != 0)
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vertical_radius = max(CSSPixels(0), vertical_radius - vertical);
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}
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inline void union_max_radii(BorderRadiusData const& other)
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{
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horizontal_radius = max(horizontal_radius, other.horizontal_radius);
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vertical_radius = max(vertical_radius, other.vertical_radius);
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}
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};
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using CornerRadius = Gfx::AntiAliasingPainter::CornerRadius;
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struct CornerRadii {
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CornerRadius top_left;
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CornerRadius top_right;
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CornerRadius bottom_right;
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CornerRadius bottom_left;
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inline bool has_any_radius() const
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{
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return top_left || top_right || bottom_right || bottom_left;
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}
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};
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struct BorderRadiiData {
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BorderRadiusData top_left;
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BorderRadiusData top_right;
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BorderRadiusData bottom_right;
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BorderRadiusData bottom_left;
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inline bool has_any_radius() const
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{
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return top_left || top_right || bottom_right || bottom_left;
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}
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inline void union_max_radii(BorderRadiiData const& other)
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{
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top_left.union_max_radii(other.top_left);
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top_right.union_max_radii(other.top_right);
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bottom_right.union_max_radii(other.bottom_right);
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bottom_left.union_max_radii(other.bottom_left);
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}
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inline void shrink(CSSPixels top, CSSPixels right, CSSPixels bottom, CSSPixels left)
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{
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top_left.shrink(left, top);
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top_right.shrink(right, top);
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bottom_right.shrink(right, bottom);
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bottom_left.shrink(left, bottom);
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}
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inline void inflate(CSSPixels top, CSSPixels right, CSSPixels bottom, CSSPixels left)
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{
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shrink(-top, -right, -bottom, -left);
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}
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inline CornerRadii as_corners(PaintContext const& context) const
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{
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return CornerRadii {
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top_left.as_corner(context),
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top_right.as_corner(context),
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bottom_right.as_corner(context),
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bottom_left.as_corner(context)
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};
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}
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};
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}
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