Replace a lot of 'static const' with 'constexpr' or 'const'.

gm/gradients.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "gm.h"
 #include "SkGradientShader.h"
 #include "SkLinearGradient.h"
 
 namespace skiagm {
 
 struct GradData {
     int             fCount;
     const SkColor*  fColors;
     const SkScalar* fPos;
 };
 
-static const SkColor gColors[] = {
+constexpr SkColor gColors[] = {
     SK_ColorRED, SK_ColorGREEN, SK_ColorBLUE, SK_ColorWHITE, SK_ColorBLACK
 };
-static const SkScalar gPos0[] = { 0, SK_Scalar1 };
-static const SkScalar gPos1[] = { SK_Scalar1/4, SK_Scalar1*3/4 };
-static const SkScalar gPos2[] = {
+constexpr SkScalar gPos0[] = { 0, SK_Scalar1 };
+constexpr SkScalar gPos1[] = { SK_Scalar1/4, SK_Scalar1*3/4 };
+constexpr SkScalar gPos2[] = {
     0, SK_Scalar1/8, SK_Scalar1/2, SK_Scalar1*7/8, SK_Scalar1
 };
 
-static const SkScalar gPosClamp[]   = {0.0f, 0.0f, 1.0f, 1.0f};
-static const SkColor  gColorClamp[] = {
+constexpr SkScalar gPosClamp[]   = {0.0f, 0.0f, 1.0f, 1.0f};
+constexpr SkColor  gColorClamp[] = {
     SK_ColorRED, SK_ColorGREEN, SK_ColorGREEN, SK_ColorBLUE
 };
 
-static const GradData gGradData[] = {
+constexpr GradData gGradData[] = {
     { 2, gColors, nullptr },
     { 2, gColors, gPos0 },
     { 2, gColors, gPos1 },
     { 5, gColors, nullptr },
     { 5, gColors, gPos2 },
     { 4, gColorClamp, gPosClamp }
 };
 
 static sk_sp<SkShader> MakeLinear(const SkPoint pts[2], const GradData& data,
                                   SkShader::TileMode tm, const SkMatrix& localMatrix) {
@@ skipping 39 matching lines @@
     SkScalar radius1 = (pts[1].fX - pts[0].fX) / 3;
     center0.set(pts[0].fX + radius0, pts[0].fY + radius0);
     center1.set(pts[1].fX - radius1, pts[1].fY - radius1);
     return SkGradientShader::MakeTwoPointConical(center1, radius1, center0, radius0,
                                                  data.fColors, data.fPos,
                                                  data.fCount, tm, 0, &localMatrix);
 }
 
 typedef sk_sp<SkShader> (*GradMaker)(const SkPoint pts[2], const GradData& data,
                                      SkShader::TileMode tm, const SkMatrix& localMatrix);
-static const GradMaker gGradMakers[] = {
+constexpr GradMaker gGradMakers[] = {
     MakeLinear, MakeRadial, MakeSweep, Make2Radial, Make2Conical
 };
 
 ///////////////////////////////////////////////////////////////////////////////
 
 class GradientsGM : public GM {
 public:
     GradientsGM(bool dither) : fDither(dither) {
         this->setBGColor(sk_tool_utils::color_to_565(0xFFDDDDDD));
     }
@@ skipping 681 matching lines @@
     canvas->drawRect(SkRect::MakeXYWH(0, 0, 500, 500), p);
 }
 
 DEF_SIMPLE_GM(gradient_many_stops, canvas, 500, 500) {
     draw_many_stops(canvas, 0);
 }
 
 DEF_SIMPLE_GM(gradient_many_stops_4f, canvas, 500, 500) {
     draw_many_stops(canvas, SkLinearGradient::kForce4fContext_PrivateFlag);
 }