skia2/bench/BicubicBench.cpp
senorblanco@chromium.org c3799ada5b Add a bench for SkBicubicImageFilter.
Review URL: https://codereview.appspot.com/7312056

git-svn-id: http://skia.googlecode.com/svn/trunk@7668 2bbb7eff-a529-9590-31e7-b0007b416f81
2013-02-08 16:40:14 +00:00

63 lines
1.8 KiB
C++

/*
* Copyright 2013 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SkBenchmark.h"
#include "SkCanvas.h"
#include "SkRandom.h"
#include "SkShader.h"
#include "SkString.h"
#include "SkBicubicImageFilter.h"
// This bench exercises SkBicubicImageFilter, upsampling a 40x40 input to
// 100x100, 400x100, 100x400, and 400x400.
class BicubicBench : public SkBenchmark {
SkSize fScale;
SkString fName;
public:
BicubicBench(void* param, float x, float y)
: INHERITED(param), fScale(SkSize::Make(SkFloatToScalar(x), SkFloatToScalar(y))) {
fName.printf("bicubic_%gx%g",
SkScalarToFloat(fScale.fWidth), SkScalarToFloat(fScale.fHeight));
}
protected:
virtual const char* onGetName() {
return fName.c_str();
}
virtual void onDraw(SkCanvas* canvas) {
SkPaint paint;
this->setupPaint(&paint);
paint.setAntiAlias(true);
SkRandom rand;
SkRect r = SkRect::MakeWH(40, 40);
SkAutoTUnref<SkImageFilter> bicubic(SkBicubicImageFilter::CreateMitchell(fScale));
paint.setImageFilter(bicubic);
canvas->save();
canvas->clipRect(r);
canvas->drawOval(r, paint);
canvas->restore();
}
private:
typedef SkBenchmark INHERITED;
};
static SkBenchmark* Fact00(void* p) { return new BicubicBench(p, 10.0f, 10.0f); }
static SkBenchmark* Fact01(void* p) { return new BicubicBench(p, 2.5f, 10.0f); }
static SkBenchmark* Fact02(void* p) { return new BicubicBench(p, 10.0f, 2.5f); }
static SkBenchmark* Fact03(void* p) { return new BicubicBench(p, 2.5f, 2.5f); }
static BenchRegistry gReg00(Fact00);
static BenchRegistry gReg01(Fact01);
static BenchRegistry gReg02(Fact02);
static BenchRegistry gReg03(Fact03);