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The .NET C# port of libspiro - conversion between spiro control points and bezier's.

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wieslawsoltes/SpiroNet

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NuGetNuGetMyGet

The .NET C# port oflibspiro - conversion between spiro control points and bezier's

Introduction

For libspiro introduction please seelibspiro project page anddrawing with spiro. There is also GUI version using libspiro written in C#/WPF for Windows.

NuGet

SpiroNet is delivered as a NuGet package.

You can find the packages hereNuGet or by using nightly build feed:

  • Addhttps://www.myget.org/F/spironet-nightly/api/v2 to your package sources
  • Alternative nightly build feedhttps://pkgs.dev.azure.com/wieslawsoltes/GitHub/_packaging/Nightly/nuget/v3/index.json
  • Update your package usingSpiroNet feed

You can install the package like this:

Install-Package SpiroNet -Pre

Package Sources

Resources

Usage

Provided examples create geometric paths as output usingPath Markup Syntax for WPF/Silverlight andPath Data for SVG.

varpoints=newSpiroControlPoint[4];points[0].X=-100;points[0].Y=0;points[0].Type=SpiroPointType.G4;points[1].X=0;points[1].Y=100;points[1].Type=SpiroPointType.G4;points[2].X=100;points[2].Y=0;points[2].Type=SpiroPointType.G4;points[3].X=0;points[3].Y=-100;points[3].Type=SpiroPointType.G4;varbc=newPathBezierContext();varsuccess=Spiro.SpiroCPsToBezier0(points,4,true,bc);Console.WriteLine(bc);Console.WriteLine("Success: {0} ",success);
varpoints=newSpiroControlPoint[5];points[0].X=-100;points[0].Y=0;points[0].Type=SpiroPointType.G4;points[1].X=0;points[1].Y=100;points[1].Type=SpiroPointType.G4;points[2].X=100;points[2].Y=0;points[2].Type=SpiroPointType.G4;points[3].X=0;points[3].Y=-100;points[3].Type=SpiroPointType.G4;points[4].X=0;points[4].Y=0;points[4].Type=SpiroPointType.End;varbc=newPathBezierContext();varsuccess=Spiro.TaggedSpiroCPsToBezier0(points,bc);Console.WriteLine(bc);Console.WriteLine("Success: {0} ",success);
varpoints=newSpiroControlPoint[4];points[0].X=-100;points[0].Y=0;points[0].Type=SpiroPointType.OpenContour;points[1].X=0;points[1].Y=100;points[1].Type=SpiroPointType.G4;points[2].X=100;points[2].Y=0;points[2].Type=SpiroPointType.G4;points[3].X=0;points[3].Y=-100;points[3].Type=SpiroPointType.EndOpenContour;varbc=newPathBezierContext();varsuccess=Spiro.TaggedSpiroCPsToBezier0(points,bc);Console.WriteLine(bc);Console.WriteLine("Success: {0} ",success);

License

SpiroNet is licensed under theGPL-3.0 license.

Original license and patent grant is included inREADME by Raph Levien for ppedit.

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