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-rw-r--r--src/pathops/SkPathOpsOp.cpp5
1 files changed, 3 insertions, 2 deletions
diff --git a/src/pathops/SkPathOpsOp.cpp b/src/pathops/SkPathOpsOp.cpp
index dc8808c141..479b9a5c24 100644
--- a/src/pathops/SkPathOpsOp.cpp
+++ b/src/pathops/SkPathOpsOp.cpp
@@ -178,8 +178,9 @@ static bool bridgeOp(SkOpContourHead* contourList, const SkPathOp op,
return true;
}
-// pretty picture:
-// https://docs.google.com/a/google.com/drawings/d/1sPV8rPfpEFXymBp3iSbDRWAycp1b-7vD9JP2V-kn9Ss/edit?usp=sharing
+// diagram of why this simplifcation is possible is here:
+// https://skia.org/dev/present/pathops link at bottom of the page
+// https://drive.google.com/file/d/0BwoLUwz9PYkHLWpsaXd0UDdaN00/view?usp=sharing
static const SkPathOp gOpInverse[kReverseDifference_SkPathOp + 1][2][2] = {
// inside minuend outside minuend
// inside subtrahend outside subtrahend inside subtrahend outside subtrahend