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LibGfx: Add Painter::draw_triangle_wave()

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This patch adds support for drawing triangular waves.
For now those can only be horizontal, but as they are intended for
underlining text, it's an okay way to handle this.
This commit is contained in:
Tobias Christiansen 2022-01-20 19:55:14 +01:00 • committed by Ali Mohammad Pur
parent 7b51102495
commit 0277118cb4
2 changed files with 21 additions and 0 deletions
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Userland/Libraries/LibGfx/Painter.h
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@ -59,6 +59,7 @@ public:
void set_pixel(IntPoint const&, Color);
void set_pixel(int x, int y, Color color) { set_pixel({ x, y }, color); }
void draw_line(IntPoint const&, IntPoint const&, Color, int thickness = 1, LineStyle style = LineStyle::Solid, Color alternate_color = Color::Transparent);
void draw_triangle_wave(IntPoint const&, IntPoint const&, Color color, int amplitude, int thickness = 1);
void draw_quadratic_bezier_curve(IntPoint const& control_point, IntPoint const&, IntPoint const&, Color, int thickness = 1, LineStyle style = LineStyle::Solid);
void draw_cubic_bezier_curve(IntPoint const& control_point_0, IntPoint const& control_point_1, IntPoint const&, IntPoint const&, Color, int thickness = 1, LineStyle style = LineStyle::Solid);
void draw_elliptical_arc(IntPoint const& p1, IntPoint const& p2, IntPoint const& center, FloatPoint const& radii, float x_axis_rotation, float theta_1, float theta_delta, Color, int thickness = 1, LineStyle style = LineStyle::Solid);