Editing Improve Spline/Bézier Support

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=Improve Spline/Bézier Support=
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Amirmahmood Was HERE...
  
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''' LibreCAD has basic support for [http://en.wikipedia.org/wiki/B-spline B-spline] and quadratic splines, but many interesting features are still missing. For example, methods for trimming, offsetting, hatching, tangential directions, ''etc.'' are required to allow extensive usage of splines in LibreCAD. A rather comprehensive collection of spline mathematics can be found at [http://pomax.github.io/bezierinfo/ A Primer on Bézier Curves]
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Ashiyane Digital Security Team
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Examples of spline features to implement:
 
  
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* Trimming
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Amirmahmood Was HERE...
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* Hatching
 
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* Arc length
 
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* Area enclosed within a contour
 
  
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==Requirement==
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Ashiyane Digital Security Team
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*C++, math
 
  
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==Reference==
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Amirmahmood Was HERE...
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*[http://pomax.github.io/bezierinfo/ A Primer on Bézier Curves]
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Ashiyane Digital Security Team
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Amirmahmood Was HERE...
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Ashiyane Digital Security Team
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Amirmahmood Was HERE...
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Ashiyane Digital Security Team
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Amirmahmood Was HERE...
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Ashiyane Digital Security Team
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Amirmahmood Was HERE...
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Ashiyane Digital Security Team
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Amirmahmood Was HERE...
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Ashiyane Digital Security Team
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Amirmahmood Was HERE...
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Ashiyane Digital Security Team
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Amirmahmood Was HERE...
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Ashiyane Digital Security Team
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Amirmahmood Was HERE...
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Ashiyane Digital Security Team
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Amirmahmood Was HERE...
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Ashiyane Digital Security Team
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Amirmahmood Was HERE...
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Ashiyane Digital Security Team

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