Merge pull request jverkoey#429 from jverkoey/graph_view

[NIOverviewGraphView] Guard against zero x/y ranges to prevent runtime assertions on iOS 7.
jyaif · Aug 23, 2013 · b81af50 · b81af50
2 parents 697d0f4 + 41ba4a1
commit b81af50
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/overview/src/NIOverviewGraphView.m b/src/overview/src/NIOverviewGraphView.m
@@ -47,6 +47,9 @@ - (void)drawGraphWithContext:(CGContextRef)context {
 
   CGFloat xRange = [self.dataSource graphViewXRange:self];
   CGFloat yRange = [self.dataSource graphViewYRange:self];
+  if (xRange == 0 || yRange == 0) {
+    return;
+  }
 
   [self.dataSource resetPointIterator];