Reland of "more shader-->sp conversions (patchset #5 id:80001 of https://codereview.chromium…

gm/modecolorfilters.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 "gm.h"
-#include "SkBitmapProcShader.h"
 #include "SkColorFilter.h"
 #include "SkGradientShader.h"
 
 #define WIDTH 512
 #define HEIGHT 1024
 
 namespace skiagm {
 
 // Using gradients because GPU doesn't currently have an implementation of SkColorShader (duh!)
-static SkShader* make_color_shader(SkColor color) {
+static sk_sp<SkShader> make_color_shader(SkColor color) {
     static const SkPoint kPts[] = {{0, 0}, {1, 1}};
     SkColor colors[] = {color, color};
 
-    return SkGradientShader::CreateLinear(kPts, colors, nullptr, 2, SkShader::kClamp_TileMode);
+    return SkGradientShader::MakeLinear(kPts, colors, nullptr, 2, SkShader::kClamp_TileMode);
 }
 
-static SkShader* make_solid_shader() {
+static sk_sp<SkShader> make_solid_shader() {
     return make_color_shader(SkColorSetARGB(0xFF, 0x42, 0x82, 0x21));
 }
 
-static SkShader* make_transparent_shader() {
+static sk_sp<SkShader> make_transparent_shader() {
     return make_color_shader(SkColorSetARGB(0x80, 0x10, 0x70, 0x20));
 }
 
-static SkShader* make_trans_black_shader() {
+static sk_sp<SkShader> make_trans_black_shader() {
     return make_color_shader(0x0);
 }
 
 // draws a background behind each test rect to see transparency
-static SkShader* make_bg_shader(int checkSize) {
+static sk_sp<SkShader> make_bg_shader(int checkSize) {
     SkBitmap bmp;
     bmp.allocN32Pixels(2 * checkSize, 2 * checkSize);
     SkCanvas canvas(bmp);
     canvas.clear(sk_tool_utils::color_to_565(0xFF800000));
     SkPaint paint;
     paint.setColor(sk_tool_utils::color_to_565(0xFF000080));
     SkRect rect0 = SkRect::MakeXYWH(0, 0,
                                     SkIntToScalar(checkSize), SkIntToScalar(checkSize));
     SkRect rect1 = SkRect::MakeXYWH(SkIntToScalar(checkSize), SkIntToScalar(checkSize),
                                     SkIntToScalar(checkSize), SkIntToScalar(checkSize));
     canvas.drawRect(rect1, paint);
     canvas.drawRect(rect0, paint);
-    return new SkBitmapProcShader(bmp, SkShader::kRepeat_TileMode, SkShader::kRepeat_TileMode);
+    return SkShader::MakeBitmapShader(bmp, SkShader::kRepeat_TileMode, SkShader::kRepeat_TileMode);
 }
 
 class ModeColorFilterGM : public GM {
 public:
     ModeColorFilterGM() {
         this->setBGColor(sk_tool_utils::color_to_565(0xFF303030));
     }
 
 protected:
-    virtual SkString onShortName() {
+    SkString onShortName() override  {
         return SkString("modecolorfilters");
     }
 
-    virtual SkISize onISize() {
+    SkISize onISize() override  {
         return SkISize::Make(WIDTH, HEIGHT);
     }
 
-    virtual void onDraw(SkCanvas* canvas) {
+    void onDraw(SkCanvas* canvas) override {
         // size of rect for each test case
         static const int kRectWidth  = 20;
         static const int kRectHeight = 20;
 
         static const int kCheckSize  = 10;
 
         if (!fBmpShader) {
-            fBmpShader.reset(make_bg_shader(kCheckSize));
+            fBmpShader = make_bg_shader(kCheckSize);
         }
         SkPaint bgPaint;
         bgPaint.setShader(fBmpShader);
         bgPaint.setXfermodeMode(SkXfermode::kSrc_Mode);
 
-        SkShader* shaders[] = {
+        sk_sp<SkShader> shaders[] = {
             nullptr,                                   // use a paint color instead of a shader
             make_solid_shader(),
             make_transparent_shader(),
             make_trans_black_shader(),
         };
 
         // used without shader
         SkColor colors[] = {
             SkColorSetARGB(0xFF, 0xFF, 0xFF, 0xFF),
             SkColorSetARGB(0xFF, 0x00, 0x00, 0x00),
@@ skipping 44 matching lines @@
                                                        SkIntToScalar(kRectHeight));
                         canvas->saveLayer(&rect, nullptr);
                         canvas->drawRect(rect, bgPaint);
                         canvas->drawRect(rect, paint);
                         canvas->restore();
                         ++idx;
                     }
                 }
             }
         }
-
-        for (size_t i = 0; i < SK_ARRAY_COUNT(shaders); ++i) {
-            SkSafeUnref(shaders[i]);
-        }
     }
 
 private:
-    SkAutoTUnref<SkShader> fBmpShader;
+    sk_sp<SkShader> fBmpShader;
     typedef GM INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 static GM* MyFactory(void*) { return new ModeColorFilterGM; }
 static GMRegistry reg(MyFactory);
 
 }