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Eliminate allocation in GeometryExtensions.ParametricPerpendicularProjection

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This commit is contained in:
Jason Nelson 2024-05-04 19:50:24 -07:00
parent e127986a8c
commit 73dec11465
1 changed files with 7 additions and 9 deletions
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16
src/UglyToad.PdfPig/Geometry/GeometryExtensions.cs
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@ -1,10 +1,8 @@
namespace UglyToad.PdfPig.Geometry
{
using Core;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Core;
using UglyToad.PdfPig.Geometry.ClipperLibrary;
using UglyToad.PdfPig.Graphics;
using static UglyToad.PdfPig.Core.PdfSubpath;
@ -83,7 +81,7 @@
return new PdfRectangle(polygon[0], polygon[1]);
}
double[] MBR = new double[8];
Span<double> mrb = stackalloc double[8];
double Amin = double.PositiveInfinity;
int j = 1;
@ -169,7 +167,7 @@
if (A < Amin)
{
Amin = A;
MBR = [R0X, R0Y, R1X, R1Y, R2X, R2Y, R3X, R3Y];
mrb = [R0X, R0Y, R1X, R1Y, R2X, R2Y, R3X, R3Y];
}
}
@ -180,10 +178,10 @@
if (k == polygon.Count) break;
}
return new PdfRectangle(new PdfPoint(MBR[4], MBR[5]),
new PdfPoint(MBR[6], MBR[7]),
new PdfPoint(MBR[2], MBR[3]),
new PdfPoint(MBR[0], MBR[1]));
return new PdfRectangle(new PdfPoint(mrb[4], mrb[5]),
new PdfPoint(mrb[6], mrb[7]),
new PdfPoint(mrb[2], mrb[3]),
new PdfPoint(mrb[0], mrb[1]));
}
/// <summary>