Improve the derivative class for hermites. Compare http://synfig.org/images/a/a8...
authordooglus <dooglus@1f10aa63-cdf2-0310-b900-c93c546f37ac>
Tue, 4 Mar 2008 22:02:22 +0000 (22:02 +0000)
committerdooglus <dooglus@1f10aa63-cdf2-0310-b900-c93c546f37ac>
Tue, 4 Mar 2008 22:02:22 +0000 (22:02 +0000)
commit3c1610c55889e3169142d2af1eece43c63022672
treedf795f51e9a7aae528fd1f6fdcb8146be1d23b7d
parente6efdb6732204cb498c236208321011c7cb3b709
Improve the derivative class for hermites.  Compare synfig.org/images/a/a8/Bline-tangent-inaccuracy-before.png and http://synfig.org/images/a/a7/Bline-tangent-inaccuracy-after.png, the results of rendering http://synfig.org/images/b/bd/Bline-tangent-inaccuracy.sifz .

git-svn-id: http://svn.voria.com/code@1857 1f10aa63-cdf2-0310-b900-c93c546f37ac
ETL/trunk/ETL/_calculus.h
synfig-core/trunk/src/synfig/valuenode_blinecalctangent.cpp
synfig-core/trunk/src/synfig/valuenode_segcalctangent.cpp