зеркало из https://github.com/mozilla/moz-skia.git
63 строки
1.8 KiB
C++
63 строки
1.8 KiB
C++
/*
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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 "SkBenchmark.h"
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#include "SkCanvas.h"
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#include "SkRandom.h"
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#include "SkShader.h"
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#include "SkString.h"
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#include "SkBicubicImageFilter.h"
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// This bench exercises SkBicubicImageFilter, upsampling a 40x40 input to
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// 100x100, 400x100, 100x400, and 400x400.
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class BicubicBench : public SkBenchmark {
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SkSize fScale;
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SkString fName;
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public:
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BicubicBench(void* param, float x, float y)
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: INHERITED(param), fScale(SkSize::Make(SkFloatToScalar(x), SkFloatToScalar(y))) {
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fName.printf("bicubic_%gx%g",
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SkScalarToFloat(fScale.fWidth), SkScalarToFloat(fScale.fHeight));
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}
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protected:
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virtual const char* onGetName() {
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return fName.c_str();
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}
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virtual void onDraw(SkCanvas* canvas) {
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SkPaint paint;
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this->setupPaint(&paint);
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paint.setAntiAlias(true);
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SkRandom rand;
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SkRect r = SkRect::MakeWH(40, 40);
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SkAutoTUnref<SkImageFilter> bicubic(SkBicubicImageFilter::CreateMitchell(fScale));
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paint.setImageFilter(bicubic);
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canvas->save();
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canvas->clipRect(r);
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canvas->drawOval(r, paint);
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canvas->restore();
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}
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private:
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typedef SkBenchmark INHERITED;
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};
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static SkBenchmark* Fact00(void* p) { return new BicubicBench(p, 10.0f, 10.0f); }
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static SkBenchmark* Fact01(void* p) { return new BicubicBench(p, 2.5f, 10.0f); }
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static SkBenchmark* Fact02(void* p) { return new BicubicBench(p, 10.0f, 2.5f); }
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static SkBenchmark* Fact03(void* p) { return new BicubicBench(p, 2.5f, 2.5f); }
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static BenchRegistry gReg00(Fact00);
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static BenchRegistry gReg01(Fact01);
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static BenchRegistry gReg02(Fact02);
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static BenchRegistry gReg03(Fact03);
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