Centralize decision about whether to do bicubic filtering, and fallbacks to mip, bilerp, or nearest

include/core/SkMatrix.h

 
 /*
  * 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 SkMatrix_DEFINED
@@ skipping 566 matching lines @@
      * @return maximum scale factor
      */
     SkScalar getMaxScale() const;
 
     /**
      * Gets both the min and max scale factors. The min scale factor is scaleFactors[0] and the max
      * is scaleFactors[1]. If the matrix has perspective -1 will be returned and scaleFactors will
      * be unchanged.
      */
     bool getScaleFactors(SkScalar scaleFactors[2]) const;
-        
+
     /**
      *  Return a reference to a const identity matrix
      */
     static const SkMatrix& I();
 
     /**
      *  Return a reference to a const matrix that is "invalid", one that could
      *  never be used.
      */
     static const SkMatrix& InvalidMatrix();
@@ skipping 112 matching lines @@
     static void RotTrans_pts(const SkMatrix&, SkPoint dst[], const SkPoint[],
                              int count);
     static void Persp_pts(const SkMatrix&, SkPoint dst[], const SkPoint[], int);
 
     static const MapPtsProc gMapPtsProcs[];
 
     friend class SkPerspIter;
 };
 
 #endif