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43 lines
2 KiB
C++
43 lines
2 KiB
C++
/*
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* Copyright (c) 2021, Ali Mohammad Pur <mpfard@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/Painter.h>
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namespace Gfx {
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class AntiAliasingPainter {
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public:
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explicit AntiAliasingPainter(Painter& painter)
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: m_underlying_painter(painter)
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{
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}
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void draw_line(FloatPoint const&, FloatPoint const&, Color, float thickness = 1, Painter::LineStyle style = Painter::LineStyle::Solid, Color alternate_color = Color::Transparent);
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void draw_aliased_line(FloatPoint const&, FloatPoint const&, Color, float thickness = 1, Painter::LineStyle style = Painter::LineStyle::Solid, Color alternate_color = Color::Transparent);
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void fill_path(Path&, Color, Painter::WindingRule rule = Painter::WindingRule::Nonzero);
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void stroke_path(Path const&, Color, float thickness);
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void draw_quadratic_bezier_curve(FloatPoint const& control_point, FloatPoint const&, FloatPoint const&, Color, float thickness = 1, Painter::LineStyle style = Painter::LineStyle::Solid);
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void draw_cubic_bezier_curve(FloatPoint const& control_point_0, FloatPoint const& control_point_1, FloatPoint const&, FloatPoint const&, Color, float thickness = 1, Painter::LineStyle style = Painter::LineStyle::Solid);
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void draw_elliptical_arc(FloatPoint const& p1, FloatPoint const& p2, FloatPoint const& center, FloatPoint const& radii, float x_axis_rotation, float theta_1, float theta_delta, Color, float thickness = 1, Painter::LineStyle style = Painter::LineStyle::Solid);
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void translate(float dx, float dy) { m_transform.translate(dx, dy); }
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void translate(FloatPoint const& delta) { m_transform.translate(delta); }
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private:
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enum class AntiAliasPolicy {
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OnlyEnds,
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Full,
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};
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template<AntiAliasPolicy policy>
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void draw_anti_aliased_line(FloatPoint const&, FloatPoint const&, Color, float thickness, Painter::LineStyle style, Color alternate_color);
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Painter& m_underlying_painter;
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AffineTransform m_transform;
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};
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}
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