compute initial winding from projected rays

gyp/core.gypi

 # Copyright 2015 Google Inc.
 #
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 # Include this gypi to include all 'core' files
 # The parent gyp/gypi file must define
 #       'skia_src_path'     e.g. skia/trunk/src
 #       'skia_include_path' e.g. skia/trunk/include
 #
 # The skia build defines these in common_variables.gypi
@@ skipping 347 matching lines @@
         '<(skia_src_path)/pathops/SkPathOpsDebug.cpp',
         '<(skia_src_path)/pathops/SkPathOpsLine.cpp',
         '<(skia_src_path)/pathops/SkPathOpsOp.cpp',
         '<(skia_src_path)/pathops/SkPathOpsPoint.cpp',
         '<(skia_src_path)/pathops/SkPathOpsQuad.cpp',
         '<(skia_src_path)/pathops/SkPathOpsRect.cpp',
         '<(skia_src_path)/pathops/SkPathOpsSimplify.cpp',
         '<(skia_src_path)/pathops/SkPathOpsTSect.cpp',
         '<(skia_src_path)/pathops/SkPathOpsTightBounds.cpp',
         '<(skia_src_path)/pathops/SkPathOpsTypes.cpp',
+        '<(skia_src_path)/pathops/SkPathOpsWinding.cpp',
         '<(skia_src_path)/pathops/SkPathWriter.cpp',
         '<(skia_src_path)/pathops/SkReduceOrder.cpp',
 
         '<(skia_src_path)/pathops/SkAddIntersections.h',
         '<(skia_src_path)/pathops/SkIntersectionHelper.h',
         '<(skia_src_path)/pathops/SkIntersections.h',
         '<(skia_src_path)/pathops/SkLineParameters.h',
         '<(skia_src_path)/pathops/SkOpAngle.h',
         '<(skia_src_path)/pathops/SkOpCoincidence.h',
         '<(skia_src_path)/pathops/SkOpContour.h',
@@ skipping 10 matching lines @@
         '<(skia_src_path)/pathops/SkPathOpsLine.h',
         '<(skia_src_path)/pathops/SkPathOpsPoint.h',
         '<(skia_src_path)/pathops/SkPathOpsQuad.h',
         '<(skia_src_path)/pathops/SkPathOpsRect.h',
         '<(skia_src_path)/pathops/SkPathOpsTSect.h',
         '<(skia_src_path)/pathops/SkPathOpsTypes.h',
         '<(skia_src_path)/pathops/SkPathWriter.h',
         '<(skia_src_path)/pathops/SkReduceOrder.h',
     ],
 }