Files
OpenNest/OpenNest.Core/Shapes/RoundedRectangleShape.cs
AJ Isaacs 6e5471271d feat(core): add RoundedRectangleShape
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-17 08:07:22 -04:00

60 lines
2.1 KiB
C#

using System.Collections.Generic;
using OpenNest.Geometry;
using OpenNest.Math;
namespace OpenNest.Shapes
{
public class RoundedRectangleShape : ShapeDefinition
{
public double Width { get; set; }
public double Height { get; set; }
public double Radius { get; set; }
public override Drawing GetDrawing()
{
var r = Radius;
var entities = new List<Entity>();
if (r <= 0)
{
entities.Add(new Line(0, 0, Width, 0));
entities.Add(new Line(Width, 0, Width, Height));
entities.Add(new Line(Width, Height, 0, Height));
entities.Add(new Line(0, Height, 0, 0));
}
else
{
// Bottom edge (left to right, above bottom-left arc to bottom-right arc)
entities.Add(new Line(r, 0, Width - r, 0));
// Bottom-right corner arc: center at (Width-r, r), from 270deg to 360deg
entities.Add(new Arc(Width - r, r, r,
Angle.ToRadians(270), Angle.ToRadians(360)));
// Right edge
entities.Add(new Line(Width, r, Width, Height - r));
// Top-right corner arc: center at (Width-r, Height-r), from 0deg to 90deg
entities.Add(new Arc(Width - r, Height - r, r,
Angle.ToRadians(0), Angle.ToRadians(90)));
// Top edge (right to left)
entities.Add(new Line(Width - r, Height, r, Height));
// Top-left corner arc: center at (r, Height-r), from 90deg to 180deg
entities.Add(new Arc(r, Height - r, r,
Angle.ToRadians(90), Angle.ToRadians(180)));
// Left edge
entities.Add(new Line(0, Height - r, 0, r));
// Bottom-left corner arc: center at (r, r), from 180deg to 270deg
entities.Add(new Arc(r, r, r,
Angle.ToRadians(180), Angle.ToRadians(270)));
}
return CreateDrawing(entities);
}
}
}