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| 1 /* |
| 2 * Copyright 2015 Google Inc. |
| 3 * |
| 4 * Use of this source code is governed by a BSD-style license that can be |
| 5 * found in the LICENSE file. |
| 6 */ |
| 7 |
| 8 #include "Benchmark.h" |
| 9 #include "SkImageDecoder.h" |
| 10 #include "SkImageInfo.h" |
| 11 #include "SkStream.h" |
| 12 #include "SkString.h" |
| 13 |
| 14 /* |
| 15 * |
| 16 * This benchmark is designed to test the performance of subset decoding. |
| 17 * Choose subsets to mimic a user zooming in or out on a photo. |
| 18 * |
| 19 */ |
| 20 class SubsetZoomBench : public Benchmark { |
| 21 public: |
| 22 |
| 23 SubsetZoomBench(const SkString& path, |
| 24 SkColorType colorType, |
| 25 uint32_t subsetWidth, |
| 26 uint32_t subsetHeight, |
| 27 bool useCodec); |
| 28 |
| 29 protected: |
| 30 const char* onGetName() override; |
| 31 bool isSuitableFor(Backend backend) override; |
| 32 void onDraw(const int n, SkCanvas* canvas) override; |
| 33 |
| 34 private: |
| 35 SkString fName; |
| 36 SkColorType fColorType; |
| 37 const uint32_t fSubsetWidth; |
| 38 const uint32_t fSubsetHeight; |
| 39 const bool fUseCodec; |
| 40 SkAutoTDelete<SkMemoryStream> fStream; |
| 41 typedef Benchmark INHERITED; |
| 42 }; |
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