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https://github.com/RGBCube/serenity
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80 lines
2.4 KiB
C++
80 lines
2.4 KiB
C++
/*
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* Copyright (c) 2020, Andreas Kling <kling@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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#include <LibWeb/Painting/PaintContext.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& context) const
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{
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return Gfx::AntiAliasingPainter::CornerRadius {
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context.floored_device_pixels(horizontal_radius).value(),
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context.floored_device_pixels(vertical_radius).value()
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};
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};
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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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horizontal_radius = max(CSSPixels(0), horizontal_radius - horizontal);
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vertical_radius = max(CSSPixels(0), vertical_radius - vertical);
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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 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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};
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BorderRadiiData normalized_border_radii_data(Layout::Node const&, CSSPixelRect const&, CSS::BorderRadiusData top_left_radius, CSS::BorderRadiusData top_right_radius, CSS::BorderRadiusData bottom_right_radius, CSS::BorderRadiusData bottom_left_radius);
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enum class BorderEdge {
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Top,
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Right,
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Bottom,
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Left,
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};
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struct BordersData {
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CSS::BorderData top;
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CSS::BorderData right;
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CSS::BorderData bottom;
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CSS::BorderData left;
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};
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RefPtr<Gfx::Bitmap> get_cached_corner_bitmap(DevicePixelSize corners_size);
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void paint_border(PaintContext& context, BorderEdge edge, DevicePixelRect const& rect, BorderRadiiData const& border_radii_data, BordersData const& borders_data);
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void paint_all_borders(PaintContext& context, CSSPixelRect const& bordered_rect, BorderRadiiData const& border_radii_data, BordersData const&);
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}
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