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86 lines
2.7 KiB
86 lines
2.7 KiB
/* |
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* Copyright 2013 Google Inc. |
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* |
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* Use of this source code is governed by a BSD-style license that can be |
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* found in the LICENSE file. |
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*/ |
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#include "Benchmark.h" |
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#include "SkBitmap.h" |
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#include "SkCanvas.h" |
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#include "SkMagnifierImageFilter.h" |
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#include "SkRandom.h" |
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#define FILTER_WIDTH_SMALL 32 |
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#define FILTER_HEIGHT_SMALL 32 |
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#define FILTER_WIDTH_LARGE 256 |
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#define FILTER_HEIGHT_LARGE 256 |
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class MagnifierBench : public Benchmark { |
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public: |
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MagnifierBench(bool small) : |
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fIsSmall(small), fInitialized(false) { |
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} |
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protected: |
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const char* onGetName() override { |
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return fIsSmall ? "magnifier_small" : "magnifier_large"; |
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} |
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void onDelayedSetup() override { |
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if (!fInitialized) { |
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make_checkerboard(); |
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fInitialized = true; |
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} |
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} |
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void onDraw(int loops, SkCanvas* canvas) override { |
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const int w = fIsSmall ? FILTER_WIDTH_SMALL : FILTER_WIDTH_LARGE; |
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const int h = fIsSmall ? FILTER_HEIGHT_SMALL : FILTER_HEIGHT_LARGE; |
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SkPaint paint; |
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paint.setImageFilter( |
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SkMagnifierImageFilter::Make( |
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SkRect::MakeXYWH(SkIntToScalar(w / 4), |
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SkIntToScalar(h / 4), |
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SkIntToScalar(w / 2), |
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SkIntToScalar(h / 2)), 100, nullptr)); |
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for (int i = 0; i < loops; i++) { |
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canvas->drawBitmap(fCheckerboard, 0, 0, &paint); |
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} |
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} |
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private: |
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void make_checkerboard() { |
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const int w = fIsSmall ? FILTER_WIDTH_SMALL : FILTER_WIDTH_LARGE; |
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const int h = fIsSmall ? FILTER_HEIGHT_LARGE : FILTER_HEIGHT_LARGE; |
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fCheckerboard.allocN32Pixels(w, h); |
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SkCanvas canvas(fCheckerboard); |
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canvas.clear(0x00000000); |
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SkPaint darkPaint; |
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darkPaint.setColor(0xFF804020); |
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SkPaint lightPaint; |
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lightPaint.setColor(0xFF244484); |
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for (int y = 0; y < h; y += 16) { |
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for (int x = 0; x < w; x += 16) { |
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canvas.save(); |
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canvas.translate(SkIntToScalar(x), SkIntToScalar(y)); |
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canvas.drawRect(SkRect::MakeXYWH(0, 0, 8, 8), darkPaint); |
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canvas.drawRect(SkRect::MakeXYWH(8, 0, 8, 8), lightPaint); |
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canvas.drawRect(SkRect::MakeXYWH(0, 8, 8, 8), lightPaint); |
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canvas.drawRect(SkRect::MakeXYWH(8, 8, 8, 8), darkPaint); |
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canvas.restore(); |
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} |
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} |
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} |
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bool fIsSmall; |
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bool fInitialized; |
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SkBitmap fCheckerboard; |
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typedef Benchmark INHERITED; |
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}; |
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/////////////////////////////////////////////////////////////////////////////// |
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DEF_BENCH( return new MagnifierBench(true); ) |
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DEF_BENCH( return new MagnifierBench(false); )
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