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      1 /*
      2  * Copyright 2012 Google Inc.
      3  *
      4  * Use of this source code is governed by a BSD-style license that can be
      5  * found in the LICENSE file.
      6  */
      7 #ifndef SkDQuadImplicit_DEFINED
      8 #define SkDQuadImplicit_DEFINED
      9 
     10 #include "SkPathOpsQuad.h"
     11 
     12 class SkDQuadImplicit {
     13 public:
     14     explicit SkDQuadImplicit(const SkDQuad& q);
     15 
     16     bool match(const SkDQuadImplicit& two) const;
     17     static bool Match(const SkDQuad& quad1, const SkDQuad& quad2);
     18 
     19     double x2() const { return fP[kXx_Coeff]; }
     20     double xy() const { return fP[kXy_Coeff]; }
     21     double y2() const { return fP[kYy_Coeff]; }
     22     double x() const { return fP[kX_Coeff]; }
     23     double y() const { return fP[kY_Coeff]; }
     24     double c() const { return fP[kC_Coeff]; }
     25 
     26 private:
     27     enum Coeffs {
     28         kXx_Coeff,
     29         kXy_Coeff,
     30         kYy_Coeff,
     31         kX_Coeff,
     32         kY_Coeff,
     33         kC_Coeff,
     34     };
     35 
     36     double fP[kC_Coeff + 1];
     37 };
     38 
     39 #endif
     40