Rewriting path writer

The path writer takes constructs the output path out of
curves that satisfy the pathop operation.

Curves contain lists of t/point pairs that may not be
comparable to each other. To match up curve ends in the
output path, look for adjacent curves to have a shared
membership rather than comparing point values.

Use path utilities to connect partial curve lists into
closed contours.

Share the angle code that determines if a curve has become
a degenerate line with the path writer.

Clean up some code on the way, and delete some unused
functions.

TBR=reed@google.com
BUG=5188
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2321973005

Review-Url: https://codereview.chromium.org/2321973005

1 files changed, 1 insertions, 1 deletions

diff --git a/tests/PathOpsDebug.cpp b/tests/PathOpsDebug.cpp
index 164f9aeeea..c9635ea079 100755
--- a/tests/PathOpsDebug.cpp
+++ b/tests/PathOpsDebug.cpp
@@ -896,7 +896,7 @@ void SkOpAngle::dumpCurves() const {
     const SkOpAngle* first = this;
     const SkOpAngle* next = this;
     do {
-        next->fCurvePart.dumpID(next->segment()->debugID());
+        next->fPart.fCurve.dumpID(next->segment()->debugID());
         next = next->fNext;
     } while (next && next != first);
 }