Preventing crash if attempting to close() an empty Shape2d

andrewfb · andrewfb · commit d543c38693a6 · 2020-03-16T21:48:42.000-04:00
diff --git a/src/cinder/Shape2d.cpp b/src/cinder/Shape2d.cpp
@@ -63,7 +63,8 @@ void Shape2d::arcTo( const vec2 &p, const vec2 &t, float radius )
 
 void Shape2d::close()
 {
-	mContours.back().close();
+	if( ! mContours.empty() )
+		mContours.back().close();
 }
 
 void Shape2d::append( const Shape2d &shape )

Original file line number	Diff line number	Diff line change
`@@ -63,7 +63,8 @@ void Shape2d::arcTo( const vec2 &p, const vec2 &t, float radius )`
`63`	`63`
`64`	`64`	`void Shape2d::close()`
`65`	`65`	`{`
`66`		`- mContours.back().close();`
	`66`	`+ if( ! mContours.empty() )`
	`67`	`+ mContours.back().close();`
`67`	`68`	`}`
`68`	`69`
`69`	`70`	`void Shape2d::append( const Shape2d &shape )`