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 /*

  * Copyright 2006 The Android Open Source Project

  *

  * Use of this source code is governed by a BSD-style license that can be

  * found in the LICENSE file.

  */

 #ifndef SkStrokerPriv_DEFINED

 #define SkStrokerPriv_DEFINED

 #include "SkStroke.h"

 #define CWX(x, y)   (-y)

 #define CWY(x, y)   (x)

 #define CCWX(x, y)  (y)

 #define CCWY(x, y)  (-x)

 #define CUBIC_ARC_FACTOR    ((SK_ScalarSqrt2 - SK_Scalar1) * 4 / 3)

 class SkStrokerPriv {

 public:

     typedef void (*CapProc)(SkPath* path,

                             const SkPoint& pivot,

                             const SkVector& normal,

                             const SkPoint& stop,

                             SkPath* otherPath);

     typedef void (*JoinProc)(SkPath* outer, SkPath* inner,

                              const SkVector& beforeUnitNormal,

                              const SkPoint& pivot,

                              const SkVector& afterUnitNormal,

                              SkScalar radius, SkScalar invMiterLimit,

                              bool prevIsLine, bool currIsLine);

     static CapProc  CapFactory(SkPaint::Cap);

     static JoinProc JoinFactory(SkPaint::Join);

 };

 #endif