Reland of [2] of "switch colorfilters to sk_sp (patchset #11 id:200001 of https://codereview.chromium.o…

gm/vertices.cpp

 /*
  * Copyright 2013 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 "SkCanvas.h"
 #include "SkColorFilter.h"
 #include "SkGradientShader.h"
 #include "SkRandom.h"
 
 static sk_sp<SkShader> make_shader1(SkScalar w, SkScalar h) {
     const SkColor colors[] = {
         SK_ColorRED, SK_ColorCYAN, SK_ColorGREEN, SK_ColorWHITE,
         SK_ColorMAGENTA, SK_ColorBLUE, SK_ColorYELLOW,
     };
     const SkPoint pts[] = { { w/4, 0 }, { 3*w/4, h } };
 
     return SkGradientShader::MakeLinear(pts, colors, nullptr, SK_ARRAY_COUNT(colors),
                                         SkShader::kMirror_TileMode);
 }
 
 static sk_sp<SkShader> make_shader2() {
     return SkShader::MakeColorShader(SK_ColorBLUE);
 }
 
-static SkColorFilter* make_color_filter() {
-    return SkColorFilter::CreateModeFilter(0xFFAABBCC, SkXfermode::kDarken_Mode);
+static sk_sp<SkColorFilter> make_color_filter() {
+    return SkColorFilter::MakeModeFilter(0xFFAABBCC, SkXfermode::kDarken_Mode);
 }
 
 class VerticesGM : public skiagm::GM {
-    SkPoint                     fPts[9];
-    SkPoint                     fTexs[9];
-    SkColor                     fColors[9];
-    sk_sp<SkShader>             fShader1;
-    sk_sp<SkShader>             fShader2;
-    SkAutoTUnref<SkColorFilter> fColorFilter;
+    SkPoint                 fPts[9];
+    SkPoint                 fTexs[9];
+    SkColor                 fColors[9];
+    sk_sp<SkShader>         fShader1;
+    sk_sp<SkShader>         fShader2;
+    sk_sp<SkColorFilter>    fColorFilter;
 
 public:
     VerticesGM() {}
 
 protected:
 
     void onOnceBeforeDraw() override {
         const SkScalar X = 30;
         const SkScalar Y = 30;
 
         fPts[0].set(0, 0);    fPts[1].set(X/2, 3);   fPts[2].set(X, 0);
         fPts[3].set(3, Y/2);  fPts[4].set(X/2, Y/2); fPts[5].set(X-3, Y/2);
         fPts[6].set(0, Y);    fPts[7].set(X/2, Y-3); fPts[8].set(X, Y);
 
         const SkScalar w = 40;
         const SkScalar h = 40;
 
         fTexs[0].set(0, 0);     fTexs[1].set(w/2, 0);   fTexs[2].set(w, 0);
         fTexs[3].set(0, h/2);   fTexs[4].set(w/2, h/2); fTexs[5].set(w, h/2);
         fTexs[6].set(0, h);     fTexs[7].set(w/2, h);   fTexs[8].set(w, h);
 
         fShader1 = make_shader1(w, h);
         fShader2 = make_shader2();
-        fColorFilter.reset(make_color_filter());
+        fColorFilter = make_color_filter();
 
         SkRandom rand;
         for (size_t i = 0; i < SK_ARRAY_COUNT(fColors); ++i) {
             fColors[i] = rand.nextU() | 0xFF000000;
         }
     }
 
     SkString onShortName() override {
         SkString name("vertices");
         return name;
     }
 
     SkISize onISize() override {
         return SkISize::Make(600, 600);
     }
 
     void onDraw(SkCanvas* canvas) override {
         // start with the center of a 3x3 grid
         static const uint16_t fan[] = {
             4,
             0, 1, 2, 5, 8, 7, 6, 3, 0
         };
 
         const struct {
-            const SkColor*          fColors;
-            const SkPoint*          fTexs;
-            const sk_sp<SkShader>&  fShader;
-            SkColorFilter*          fColorFilter;
-            uint8_t                 fAlpha;
+            const SkColor*              fColors;
+            const SkPoint*              fTexs;
+            const sk_sp<SkShader>&      fShader;
+            const sk_sp<SkColorFilter>& fColorFilter;
+            uint8_t                     fAlpha;
         } rec[] = {
             { fColors,  nullptr, fShader1, nullptr     , 0xFF },
             { nullptr,  fTexs  , fShader1, nullptr     , 0xFF },
             { fColors,  fTexs  , fShader1, nullptr     , 0xFF },
             { fColors,  nullptr, fShader2, nullptr     , 0xFF },
             { nullptr,  fTexs  , fShader2, nullptr     , 0xFF },
             { fColors,  fTexs  , fShader2, nullptr     , 0xFF },
             { fColors,  nullptr, fShader1, fColorFilter, 0xFF },
             { nullptr,  fTexs  , fShader1, fColorFilter, 0xFF },
             { fColors,  fTexs  , fShader1, fColorFilter, 0xFF },
@@ skipping 71 matching lines @@
         }
     }
 
 private:
     typedef skiagm::GM INHERITED;
 };
 
 /////////////////////////////////////////////////////////////////////////////////////
 
 DEF_GM(return new VerticesGM();)