Fix a crash in the draw tool. The resulting bline should approximate the drawn curve...

git-svn-id: http://svn.voria.com/code@1093 1f10aa63-cdf2-0310-b900-c93c546f37ac

diff --git a/synfig-studio/trunk/src/synfigapp/blineconvert.cpp b/synfig-studio/trunk/src/synfigapp/blineconvert.cpp
index cc01ce9..b3942cf 100644 (file)
--- a/synfig-studio/trunk/src/synfigapp/blineconvert.cpp
+++ b/synfig-studio/trunk/src/synfigapp/blineconvert.cpp
@@ -361,8 +361,12 @@ int tessellate_curves(const std::vector<cpindex> &inds, const std::vector<Point>
                        //build hermite curve, it's easier
                        curve.p1() = f[i0];
                        curve.p2() = f[i3];
-                       curve.t1() = df[i0]*(df[i0].mag_squared() > 1e-4 ? j2->tangentscale/df[i0].mag() : j2->tangentscale);
-                       curve.t2() = df[i3]*(df[i3].mag_squared() > 1e-4 ? j->tangentscale/df[i3].mag() : j->tangentscale);
+                       curve.t1() = df[i0-ibase] * (df[i0-ibase].mag_squared() > 1e-4
+                                                                                ? j2->tangentscale/df[i0-ibase].mag()
+                                                                                : j2->tangentscale);
+                       curve.t2() = df[i3-ibase] * (df[i3-ibase].mag_squared() > 1e-4
+                                                                                ? j->tangentscale/df[i3-ibase].mag()
+                                                                                : j->tangentscale);
                        curve.sync();
 
                        //MUST include the end point (since we are ignoring left one)