Revert[8] "replace SkXfermode obj with SkBlendMode enum in paints"

bench/XfermodeBench.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 "Benchmark.h"
 #include "SkCanvas.h"
 #include "SkPaint.h"
 #include "SkRandom.h"
 #include "SkString.h"
 #include "SkXfermode.h"
 
 // Benchmark that draws non-AA rects or AA text with an SkXfermode::Mode.
 class XfermodeBench : public Benchmark {
 public:
-    XfermodeBench(SkXfermode::Mode mode, bool aa) {
-        fXfermode = SkXfermode::Make(mode);
+    XfermodeBench(SkBlendMode mode, bool aa) : fBlendMode(mode) {
         fAA = aa;
-        SkASSERT(fXfermode.get() || SkXfermode::kSrcOver_Mode == mode);
         fName.printf("Xfermode_%s%s", SkXfermode::ModeName(mode), aa ? "_aa" : "");
     }
 
 protected:
     const char* onGetName() override { return fName.c_str(); }
 
     void onDraw(int loops, SkCanvas* canvas) override {
         const char* text = "Hamburgefons";
         size_t len = strlen(text);
         SkISize size = canvas->getDeviceSize();
         SkRandom random;
         for (int i = 0; i < loops; ++i) {
             SkPaint paint;
-            paint.setXfermode(fXfermode);
+            paint.setBlendMode(fBlendMode);
             paint.setColor(random.nextU());
             if (fAA) {
                 // Draw text to exercise AA code paths.
                 paint.setAntiAlias(true);
                 paint.setTextSize(random.nextRangeScalar(12, 96));
                 SkScalar x = random.nextRangeScalar(0, (SkScalar)size.fWidth),
                          y = random.nextRangeScalar(0, (SkScalar)size.fHeight);
                 for (int j = 0; j < 1000; ++j) {
                     canvas->drawText(text, len, x, y, paint);
                 }
             } else {
                 // Draw rects to exercise non-AA code paths.
                 SkScalar w = random.nextRangeScalar(50, 100);
                 SkScalar h = random.nextRangeScalar(50, 100);
                 SkRect rect = SkRect::MakeXYWH(
                     random.nextUScalar1() * (size.fWidth - w),
                     random.nextUScalar1() * (size.fHeight - h),
                     w,
                     h
                 );
                 for (int j = 0; j < 1000; ++j) {
                     canvas->drawRect(rect, paint);
                 }
             }
         }
     }
 
 private:
-    sk_sp<SkXfermode>   fXfermode;
-    SkString            fName;
-    bool                fAA;
+    SkBlendMode fBlendMode;
+    SkString    fName;
+    bool        fAA;
 
     typedef Benchmark INHERITED;
 };
 
-class XferCreateBench : public Benchmark {
-public:
-    bool isSuitableFor(Backend backend) override {
-        return backend == kNonRendering_Backend;
-    }
-
-protected:
-    const char* onGetName() override { return "xfermode_create"; }
-
-    void onDraw(int loops, SkCanvas* canvas) override {
-        for (int outer = 0; outer < loops * 10; ++outer) {
-            for (int i = 0; i <= SkXfermode::kLastMode; ++i) {
-                (void)SkXfermode::Make(SkXfermode::Mode(i));
-            }
-        }
-    }
-
-private:
-    typedef Benchmark INHERITED;
-};
-
 //////////////////////////////////////////////////////////////////////////////
 
 #define BENCH(...)                                             \
     DEF_BENCH( return new XfermodeBench(__VA_ARGS__, true); )  \
     DEF_BENCH( return new XfermodeBench(__VA_ARGS__, false); )
 
-BENCH(SkXfermode::kClear_Mode)
-BENCH(SkXfermode::kSrc_Mode)
-BENCH(SkXfermode::kDst_Mode)
-BENCH(SkXfermode::kSrcOver_Mode)
-BENCH(SkXfermode::kDstOver_Mode)
-BENCH(SkXfermode::kSrcIn_Mode)
-BENCH(SkXfermode::kDstIn_Mode)
-BENCH(SkXfermode::kSrcOut_Mode)
-BENCH(SkXfermode::kDstOut_Mode)
-BENCH(SkXfermode::kSrcATop_Mode)
-BENCH(SkXfermode::kDstATop_Mode)
-BENCH(SkXfermode::kXor_Mode)
+BENCH(SkBlendMode::kClear)
+BENCH(SkBlendMode::kSrc)
+BENCH(SkBlendMode::kDst)
+BENCH(SkBlendMode::kSrcOver)
+BENCH(SkBlendMode::kDstOver)
+BENCH(SkBlendMode::kSrcIn)
+BENCH(SkBlendMode::kDstIn)
+BENCH(SkBlendMode::kSrcOut)
+BENCH(SkBlendMode::kDstOut)
+BENCH(SkBlendMode::kSrcATop)
+BENCH(SkBlendMode::kDstATop)
+BENCH(SkBlendMode::kXor)
 
-BENCH(SkXfermode::kPlus_Mode)
-BENCH(SkXfermode::kModulate_Mode)
-BENCH(SkXfermode::kScreen_Mode)
+BENCH(SkBlendMode::kPlus)
+BENCH(SkBlendMode::kModulate)
+BENCH(SkBlendMode::kScreen)
 
-BENCH(SkXfermode::kOverlay_Mode)
-BENCH(SkXfermode::kDarken_Mode)
-BENCH(SkXfermode::kLighten_Mode)
-BENCH(SkXfermode::kColorDodge_Mode)
-BENCH(SkXfermode::kColorBurn_Mode)
-BENCH(SkXfermode::kHardLight_Mode)
-BENCH(SkXfermode::kSoftLight_Mode)
-BENCH(SkXfermode::kDifference_Mode)
-BENCH(SkXfermode::kExclusion_Mode)
-BENCH(SkXfermode::kMultiply_Mode)
+BENCH(SkBlendMode::kOverlay)
+BENCH(SkBlendMode::kDarken)
+BENCH(SkBlendMode::kLighten)
+BENCH(SkBlendMode::kColorDodge)
+BENCH(SkBlendMode::kColorBurn)
+BENCH(SkBlendMode::kHardLight)
+BENCH(SkBlendMode::kSoftLight)
+BENCH(SkBlendMode::kDifference)
+BENCH(SkBlendMode::kExclusion)
+BENCH(SkBlendMode::kMultiply)
 
-BENCH(SkXfermode::kHue_Mode)
-BENCH(SkXfermode::kSaturation_Mode)
-BENCH(SkXfermode::kColor_Mode)
-BENCH(SkXfermode::kLuminosity_Mode)
-
-DEF_BENCH(return new XferCreateBench;)
+BENCH(SkBlendMode::kHue)
+BENCH(SkBlendMode::kSaturation)
+BENCH(SkBlendMode::kColor)
+BENCH(SkBlendMode::kLuminosity)