Fix bug: #1621213 in Pattern Along Path LPE

Fixed bugs:
  - https://launchpad.net/bugs/1621213

(bzr r15110)

1 files changed, 3 insertions, 2 deletions

diff --git a/src/live_effects/lpe-patternalongpath.cpp b/src/live_effects/lpe-patternalongpath.cpp
index 0814ce0da..f90ac2b70 100644
--- a/src/live_effects/lpe-patternalongpath.cpp
+++ b/src/live_effects/lpe-patternalongpath.cpp
@@ -11,6 +11,7 @@
 #include <2geom/bezier-to-sbasis.h>
 
 #include "knotholder.h"
+#include <algorithm>
 
 using std::vector;
 
@@ -195,12 +196,12 @@ LPEPatternAlongPath::doEffect_pwd2 (Geom::Piecewise<Geom::D2<Geom::SBasis> > con
                 case PAPCT_REPEATED_STRETCHED:
                     // if uskeleton is closed:
                     if(path_i.segs.front().at0() == path_i.segs.back().at1()){
-                        nbCopies = static_cast<int>(std::floor((uskeleton.domain().extent() - toffset)/(pattBndsX->extent()+xspace)));
+                        nbCopies = std::max(1, static_cast<int>(std::floor((uskeleton.domain().extent() - toffset)/(pattBndsX->extent()+xspace))));
                         pattBndsX = Interval(pattBndsX->min(),pattBndsX->max()+xspace);
                         scaling = (uskeleton.domain().extent() - toffset)/(((double)nbCopies)*pattBndsX->extent());
                         // if not closed: no space at the end
                     }else{
-                        nbCopies = static_cast<int>(std::floor((uskeleton.domain().extent() - toffset + xspace)/(pattBndsX->extent()+xspace)));
+                        nbCopies = std::max(1, static_cast<int>(std::floor((uskeleton.domain().extent() - toffset + xspace)/(pattBndsX->extent()+xspace))));
                         pattBndsX = Interval(pattBndsX->min(),pattBndsX->max()+xspace);
                         scaling = (uskeleton.domain().extent() - toffset)/(((double)nbCopies)*pattBndsX->extent() - xspace);
                     }