Change SkMatrix::fixedStepInX to return SkVector rather than SkFixed.

src/effects/gradients/SkRadialGradient.cpp

 
 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkRadialGradient.h"
 #include "SkNx.h"
@@ skipping 188 matching lines @@
     const SkPMColor* SK_RESTRICT cache = fCache->getCache32();
     int toggle = init_dither_toggle(x, y);
 
     if (fDstToIndexClass != kPerspective_MatrixClass) {
         dstProc(fDstToIndex, SkIntToScalar(x) + SK_ScalarHalf,
                              SkIntToScalar(y) + SK_ScalarHalf, &srcPt);
         SkScalar sdx = fDstToIndex.getScaleX();
         SkScalar sdy = fDstToIndex.getSkewY();
 
         if (fDstToIndexClass == kFixedStepInX_MatrixClass) {
-            SkFixed storage[2];
-            (void)fDstToIndex.fixedStepInX(SkIntToScalar(y),
-                                           &storage[0], &storage[1]);
-            sdx = SkFixedToScalar(storage[0]);
-            sdy = SkFixedToScalar(storage[1]);
+            const auto step = fDstToIndex.fixedStepInX(SkIntToScalar(y));
+            sdx = step.fX;
+            sdy = step.fY;
         } else {
             SkASSERT(fDstToIndexClass == kLinear_MatrixClass);
         }
 
         RadialShadeProc shadeProc = shadeSpan_radial_repeat;
         if (SkShader::kClamp_TileMode == radialGradient.fTileMode) {
             shadeProc = shadeSpan_radial_clamp2;
         } else if (SkShader::kMirror_TileMode == radialGradient.fTileMode) {
             shadeProc = shadeSpan_radial_mirror;
         } else {
@@ skipping 154 matching lines @@
     str->appendScalar(fCenter.fY);
     str->append(") radius: ");
     str->appendScalar(fRadius);
     str->append(" ");
 
     this->INHERITED::toString(str);
 
     str->append(")");
 }
 #endif