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authorGravatar Cary Clark <caryclark@skia.org>2018-02-02 15:09:49 -0500
committerGravatar Skia Commit-Bot <skia-commit-bot@chromium.org>2018-02-02 20:39:09 +0000
commit4efcb7d100e824926e03f598d616f6bda5682e14 (patch)
tree83f8fb9ec7d81801d08e64eecb1867b4159b7a05 /tools
parent27738e043a8eeeb8045397b7e1140a0b1bcb04a3 (diff)
handle degenerate cubic loops
fuzzer generated a cubic with a very tiny loop at one end. Breaking the cubic in two generated a piece so small it was discarded, passing the original along. Instead, use the loop detection as a hint that passing the original may fail further along. Keep the big piece, which is more linear than the original; and change its end to match the original input if the small piece isn't worth keeping. R=kjlubick Bug: skia:7480 Change-Id: If4c5cd46dbf7e16526269f2854e4f2278f427461 Reviewed-on: https://skia-review.googlesource.com/103100 Reviewed-by: Kevin Lubick <kjlubick@google.com> Commit-Queue: Cary Clark <caryclark@skia.org>
Diffstat (limited to 'tools')
-rw-r--r--tools/pathops_sorter.htm16
1 files changed, 5 insertions, 11 deletions
diff --git a/tools/pathops_sorter.htm b/tools/pathops_sorter.htm
index 42708c428c..017d9165bf 100644
--- a/tools/pathops_sorter.htm
+++ b/tools/pathops_sorter.htm
@@ -1,4 +1,4 @@
-<!DOCTYPE html>
+<!DOCTYPE html>
<html lang="en" xmlns="http://www.w3.org/1999/xhtml">
<head>
@@ -6,16 +6,10 @@
<title></title>
<div style="height:0">
-<div id="cubics">
-{{{152, 16}, {152, 16.0685501}, {91.06044, 16.1242027}, {16, 16.1242027}}}, id=0
-{{{16, 16.1242027}, {-59.06044, 16.1242027}, {-120, 16.0685501}, {-120, 16}}}, id=1
-{{{-120, 16}, {-120, 15.9314508}, {-59.06044, 15.8757973}, {16, 15.8757973}}}, id=2
-{{{16, 15.8757973}, {91.06044, 15.8757973}, {152, 15.9314508}, {152, 16}}}, id=3
-{{{16, 16}, {152, 16}}}, id=4
-{{{16, 17}, {152, 17}}}, id=5
-{{{16, 16}, {16, 17}}}, id=6
-{{{152, 16}, {152, 17}}}, id=7
-</div>
+ <div id="cubics">
+ {{{0.00000000000000000, 0.00000000000000000 }, {0.00022939755581319332, 0.00022927834652364254 },{0.00022930106206331402, 0.00022929999977350235 }, {0.00022930069826543331, 0.00022913678549230099}}},
+ {{{0.00022930069826543331, 0.00022930069826543331 }, {0.00011465034913271666, 0.00011465034913271666 },{0.00011465061106719077, 0.00011460937093943357 }, {0.00014331332931760699, 0.00014325146912597120}}},
+ </div>
</div>