if the y-max has neighbors (prev and next) with the same Y values, then the
cross will be 0, but we can still know the direction by looking at the change
in X

Fixes the hypen in #7 of this bug http://code.google.com/p/chromium/issues/detail?id=109370



git-svn-id: http://skia.googlecode.com/svn/trunk@3049 2bbb7eff-a529-9590-31e7-b0007b416f81
2 files changed