commit 414c4295f951d43068666b6294df15b2fd2ba85c
author caryclark <caryclark@google.com> Mon Sep 26 11:03:54 2016 -0700
committer Commit bot <commit-bot@chromium.org> Mon Sep 26 11:03:54 2016 -0700
tree 4a8abbb094d1cedc8eb1b2a773f6b2f3609f0576
parent 849f5027e9d3e27c34453966fc3471eb57e76e54

allow conic chop to fail

Fuzzy values may cause the conic chop to fail.

Check to see if the values are all finite, and
require the caller to do the same.

R=reed@google.com
BUG=650178
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2368993002

Review-Url: https://codereview.chromium.org/2368993002

gm/beziereffects.cpp

diff --git a/gm/beziereffects.cpp b/gm/beziereffects.cpp
index 42be080..3dd4d65 100644
--- a/gm/beziereffects.cpp
+++ b/gm/beziereffects.cpp
@@ -353,7 +353,10 @@
             if (dst) {
                 SkConic conic;
                 conic.set(src, weight);
-                conic.chopAt(t, dst);
+                if (!conic.chopAt(t, dst)) {
+                    dst[0].set(src, weight);
+                    return 1;
+                }
             }
             return 2;
         }