/* * 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 "bench/Benchmark.h" #include "include/core/SkCanvas.h" #include "include/core/SkPaint.h" #include "include/core/SkShader.h" #include "include/core/SkString.h" #include "include/effects/SkMorphologyImageFilter.h" #include "include/utils/SkRandom.h" #define SMALL SkIntToScalar(2) #define REAL 1.5f #define BIG SkIntToScalar(10) enum MorphologyType { kErode_MT, kDilate_MT }; static const char* gStyleName[] = { "erode", "dilate" }; class MorphologyBench : public Benchmark { SkScalar fRadius; MorphologyType fStyle; SkString fName; public: MorphologyBench(SkScalar rad, MorphologyType style) { fRadius = rad; fStyle = style; const char* name = rad > 0 ? gStyleName[style] : "none"; if (SkScalarFraction(rad) != 0) { fName.printf("morph_%.2f_%s", SkScalarToFloat(rad), name); } else { fName.printf("morph_%d_%s", SkScalarRoundToInt(rad), name); } } protected: const char* onGetName() override { return fName.c_str(); } void onDraw(int loops, SkCanvas* canvas) override { SkPaint paint; this->setupPaint(&paint); paint.setAntiAlias(true); SkRandom rand; for (int i = 0; i < loops; i++) { SkRect r = SkRect::MakeWH(rand.nextUScalar1() * 400, rand.nextUScalar1() * 400); r.offset(fRadius, fRadius); if (fRadius > 0) { sk_sp<SkImageFilter> mf; switch (fStyle) { case kDilate_MT: mf = SkDilateImageFilter::Make(SkScalarFloorToInt(fRadius), SkScalarFloorToInt(fRadius), nullptr); break; case kErode_MT: mf = SkErodeImageFilter::Make(SkScalarFloorToInt(fRadius), SkScalarFloorToInt(fRadius), nullptr); break; } paint.setImageFilter(std::move(mf)); } canvas->drawOval(r, paint); } } private: typedef Benchmark INHERITED; }; DEF_BENCH( return new MorphologyBench(SMALL, kErode_MT); ) DEF_BENCH( return new MorphologyBench(SMALL, kDilate_MT); ) DEF_BENCH( return new MorphologyBench(BIG, kErode_MT); ) DEF_BENCH( return new MorphologyBench(BIG, kDilate_MT); ) DEF_BENCH( return new MorphologyBench(REAL, kErode_MT); ) DEF_BENCH( return new MorphologyBench(REAL, kDilate_MT); ) DEF_BENCH( return new MorphologyBench(0, kErode_MT); )