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