diff --git a/gm/convexpaths.cpp b/gm/convexpaths.cpp
index 5d8f049..b3800cd 100644
--- a/gm/convexpaths.cpp
+++ b/gm/convexpaths.cpp
@@ -14,7 +14,7 @@
 class ConvexPathsGM : public GM {
 public:
     ConvexPathsGM() {
-        this->setBGColor(0xFFDDDDDD);
+        this->setBGColor(0xFF000000);
         this->makePaths();
     }
 
@@ -63,10 +63,6 @@
                                                     100 * SK_Scalar1),
                                    SkPath::kCCW_Direction);
 
-        fPaths.push_back().addRect(0, 0,
-                                   100 * SK_Scalar1, 100 * SK_Scalar1,
-                                   SkPath::kCCW_Direction);
-
         fPaths.push_back().addRoundRect(SkRect::MakeXYWH(0, 0,
                                                          SK_Scalar1 * 100,
                                                          SK_Scalar1 * 100),
@@ -78,6 +74,12 @@
                                                          SK_Scalar1 * 100),
                                         20 * SK_Scalar1, 40 * SK_Scalar1,
                                         SkPath::kCCW_Direction);
+
+        // shallow diagonals
+        fPaths.push_back().lineTo(100 * SK_Scalar1, SK_Scalar1);
+        fPaths.back().lineTo(98 * SK_Scalar1, 100 * SK_Scalar1);
+        fPaths.back().lineTo(3 * SK_Scalar1, 96 * SK_Scalar1);
+        
         /*
         It turns out arcTos are not automatically marked as convex and they
         may in fact be ever so slightly concave.
@@ -87,6 +89,14 @@
                                  25 * SK_Scalar1,  130 * SK_Scalar1, false);
         */
 
+        // cubics
+        fPaths.push_back().cubicTo( 1 * SK_Scalar1,  1 * SK_Scalar1,
+                                   10 * SK_Scalar1,  90 * SK_Scalar1,
+                                    0 * SK_Scalar1, 100 * SK_Scalar1);
+        fPaths.push_back().cubicTo(100 * SK_Scalar1,  50 * SK_Scalar1,
+                                    20 * SK_Scalar1, 100 * SK_Scalar1,
+                                     0 * SK_Scalar1,   0 * SK_Scalar1);
+
         // point degenerate
         fPaths.push_back().moveTo(50 * SK_Scalar1, 50 * SK_Scalar1);
         fPaths.back().lineTo(50 * SK_Scalar1, 50 * SK_Scalar1);
@@ -117,7 +127,7 @@
     paint.setAntiAlias(true);
     SkRandom rand;
     canvas->translate(20 * SK_Scalar1, 20 * SK_Scalar1);
-    for (int i = 0 ; i < fPaths.count(); ++i) {
+    for (int i = 0; i < fPaths.count(); ++i) {
         canvas->save();
         // position the path, and make it at off-integer coords.
         canvas->translate(SK_Scalar1 * 200 * (i % 5) + SK_Scalar1 / 4,