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Diffstat (limited to 'Build/source/utils/asymptote/flatguide.cc')
-rw-r--r-- | Build/source/utils/asymptote/flatguide.cc | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/Build/source/utils/asymptote/flatguide.cc b/Build/source/utils/asymptote/flatguide.cc new file mode 100644 index 00000000000..bfc26dfd041 --- /dev/null +++ b/Build/source/utils/asymptote/flatguide.cc @@ -0,0 +1,49 @@ +/***** + * flatguide.cc + * Andy Hammerlindl 2005/02/23 + * + * The data structure that builds up a knotlist. This is done by calling in + * order the methods to set knots, specifiers, and tensions. + * Used by the guide solving routines. + *****/ + +#include "flatguide.h" + +namespace camp { + +void flatguide::addPre(path& p, Int j) +{ + setSpec(new controlSpec(p.precontrol(j),p.straight(j-1)),IN); +} +void flatguide::addPoint(path& p, Int j) +{ + add(p.point(j)); +} +void flatguide::addPost(path& p, Int j) +{ + setSpec(new controlSpec(p.postcontrol(j),p.straight(j)),OUT); +} + +void flatguide::uncheckedAdd(path p, bool allowsolve) +{ + Int n=p.length(); + if(n < 0) return; + int nminus1=n-1; + if(!allowsolve && p.cyclic()) addPre(p,0); + for(Int i=0; i < nminus1;) { + addPoint(p,i); + addPost(p,i); + ++i; + addPre(p,i); + } + addPoint(p,nminus1); + addPost(p,nminus1); + if(allowsolve || !p.cyclic()) { + addPre(p,n); + addPoint(p,n); + } +} + +spec flatguide::open; + +} |