commit 140d7286c5a40058932696eaa28818c313bd2ddf
author reed@google.com <reed@google.com@2bbb7eff-a529-9590-31e7-b0007b416f81> Mon Jan 07 20:25:04 2013 +0000
committer reed@google.com <reed@google.com@2bbb7eff-a529-9590-31e7-b0007b416f81> Mon Jan 07 20:25:04 2013 +0000
tree f615391da77f01a324e44ab2b92cb5c0314fda29
parent f286329ad13b43a8e398df3e0c376403882f1690

fix warnings
Review URL: https://codereview.appspot.com/7073044

git-svn-id: http://skia.googlecode.com/svn/trunk@7064 2bbb7eff-a529-9590-31e7-b0007b416f81

samplecode/SampleRotateCircles.cpp

diff --git a/samplecode/SampleRotateCircles.cpp b/samplecode/SampleRotateCircles.cpp
index 32a46a3..5bac6cf 100644
--- a/samplecode/SampleRotateCircles.cpp
+++ b/samplecode/SampleRotateCircles.cpp
@@ -249,11 +249,12 @@
 
         SkPoint pos, tan;
         for (SkScalar dist = 0; dist <= total; dist += delta) {
-            (void)meas.getPosTan(dist, &pos, &tan);
-            tan.scale(radius);
-            tan.rotateCCW();
-            canvas->drawLine(pos.x() + tan.x(), pos.y() + tan.y(),
-                             pos.x() - tan.x(), pos.y() - tan.y(), paint);
+            if (meas.getPosTan(dist, &pos, &tan)) {
+                tan.scale(radius);
+                tan.rotateCCW();
+                canvas->drawLine(pos.x() + tan.x(), pos.y() + tan.y(),
+                                 pos.x() - tan.x(), pos.y() - tan.y(), paint);
+            }
         }
     }