Paint dotted borders using circular dots

third_party/WebKit/Source/platform/graphics/GraphicsContext.h

 /*
  * Copyright (C) 2003, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2008-2009 Torch Mobile, Inc.
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
@@ skipping 393 matching lines @@
         m_paintState = m_paintStateStack[m_paintStateIndex].get();
         m_paintState->copy(*priorPaintState);
       }
     }
   }
 
   void fillRectWithRoundedHole(const FloatRect&,
                                const FloatRoundedRect& roundedHoleRect,
                                const Color&);
 
+  // Determine whether a stroked line should be drawn using dashes. In practice,
+  // we draw dashes when a dashed stroke is specified or when a dotted stroke
+  // is specified but the line width is too small to draw circles.
+  static bool strokeIsDashed(float width, StrokeStyle);
+
   const SkMetaData& metaData() const { return m_metaData; }
 
   // null indicates painting is contextDisabled. Never delete this object.
   PaintCanvas* m_canvas;
 
   PaintController& m_paintController;
 
   // Paint states stack. The state controls the appearance of drawn content, so
   // this stack enables local drawing state changes with save()/restore() calls.
   // We do not delete from this stack to avoid memory churn.
@@ skipping 19 matching lines @@
 
   float m_deviceScaleFactor;
 
   unsigned m_printing : 1;
   unsigned m_hasMetaData : 1;
 };
 
 }  // namespace blink
 
 #endif  // GraphicsContext_h