зеркало из https://github.com/mozilla/moz-skia.git
59 строки
1.5 KiB
C++
59 строки
1.5 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 "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(float x, float y)
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: fScale(SkSize::Make(x, 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(const int loops, 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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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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for (int i = 0; i < loops; i++) {
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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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}
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private:
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typedef SkBenchmark INHERITED;
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};
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DEF_BENCH( return new BicubicBench(10.0f, 10.0f); )
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DEF_BENCH( return new BicubicBench(2.5f, 10.0f); )
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DEF_BENCH( return new BicubicBench(10.0f, 2.5f); )
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DEF_BENCH( return new BicubicBench(2.5f, 2.5f); )
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