thick stroke Beziers

gm/smallarc.cpp

Index: gm/smallarc.cpp
diff --git a/gm/smallarc.cpp b/gm/smallarc.cpp
new file mode 100755
index 0000000000000000000000000000000000000000..c311460e54f8cb75cec6a8bae3182a2f2abd0feb
--- /dev/null
+++ b/gm/smallarc.cpp
@@ -0,0 +1,54 @@
+/*
+ * Copyright 2014 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "gm.h"
+
+namespace skiagm {
+
+// this draws a small arc scaled up
+// see https://code.google.com/p/chromium/issues/detail?id=102411
+// and https://code.google.com/p/skia/issues/detail?id=2769
+class SmallArcGM : public GM {
+public:
+    SmallArcGM() {
+    }
+
+protected:
+
+    virtual SkString onShortName() SK_OVERRIDE {
+        return SkString("smallarc");
+    }
+
+    virtual SkISize onISize() SK_OVERRIDE {
+        return SkISize::Make(762, 762);
+    }
+
+    virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
+        SkPaint p;
+        p.setColor(SK_ColorRED);
+        p.setAntiAlias(true);
+        p.setStyle(SkPaint::kStroke_Style);
+        p.setStrokeWidth(120);
+
+        SkPath path;
+        path.moveTo(75, 0);
+        path.cubicTo(33.5, 0, 0, 33.5, 0, 75);
+
+        canvas->translate(-400, -400);
+        canvas->scale(8, 8);
+        canvas->drawPath(path, p);
+    }
+
+private:
+    typedef GM INHERITED;
+};
+
+//////////////////////////////////////////////////////////////////////////////
+
+DEF_GM( return SkNEW(SmallArcGM); )
+
+}