| /* |
| * 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/SkImageFilters.h" |
| #include "src/base/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", 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 = SkImageFilters::Dilate( |
| SkScalarFloorToInt(fRadius), SkScalarFloorToInt(fRadius), nullptr); |
| break; |
| case kErode_MT: |
| mf = SkImageFilters::Erode( |
| SkScalarFloorToInt(fRadius), SkScalarFloorToInt(fRadius), nullptr); |
| break; |
| } |
| paint.setImageFilter(std::move(mf)); |
| } |
| canvas->drawOval(r, paint); |
| } |
| } |
| |
| private: |
| using INHERITED = Benchmark; |
| }; |
| |
| 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); ) |