Fixes NAN issue on Arc command

2017-02-16 15:41:31 +00:00
parent 0aca44ef76
commit 2ef0bd88ef
1 changed files with 7 additions and 0 deletions
@@ -75,6 +75,12 @@
    
    angleDelta = (ratio(deltaU, deltaV) <= -1) ? M_PI : (ratio(deltaU, deltaV) >= 1) ? 0 : angleDelta;
    
+    // check for actually numbers, if this is not valid
+    // kill it, blame WWDC 2017 SVG background for this...
+    if(isnan(startAngle) || isnan(angleDelta)) {
+        return;
+    }
+    
    CGFloat radius = MAX(radii.x, radii.y);
    CGPoint scale = (radii.x > radii.y) ? CGPointMake(1, radii.y / radii.x) : CGPointMake(radii.x / radii.y, 1);
    
@@ -84,6 +90,7 @@
    [trans scaleXBy:(1/scale.x) yBy:(1/scale.y)];
    
    [path.currentSubpath transformUsingAffineTransform:trans];
+    
    [path.currentSubpath appendBezierPathWithArcWithCenter:NSZeroPoint
                                                    radius:radius
                                                startAngle:radians_to_degrees(startAngle)