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/*
* Copyright 2012 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 "SkPaint.h"
#include "SkRandom.h"
#include "SkShader.h"
#include "SkString.h"
#include "SkMorphologyImageFilter.h"
#define SMALL SkIntToScalar(2)
#define REAL 1.5f
#define BIG SkIntToScalar(10)
enum MorphologyType {
kErode_MT,
kDilate_MT
};
static const char* gStyleName[] = {
"erode",
"dilate"
};
class MorphologyBench : public SkBenchmark {
SkScalar fRadius;
MorphologyType fStyle;
SkString fName;
public:
MorphologyBench(SkScalar rad, MorphologyType style)
{
fRadius = rad;
fStyle = style;
const char* name = rad > 0 ? gStyleName[style] : "none";
if (SkScalarFraction(rad) != 0) {
fName.printf("morph_%.2f_%s", SkScalarToFloat(rad), name);
} else {
fName.printf("morph_%d_%s", SkScalarRoundToInt(rad), name);
}
}
protected:
virtual const char* onGetName() {
return fName.c_str();
}
virtual void onDraw(const int loops, SkCanvas* canvas) {
SkPaint paint;
this->setupPaint(&paint);
paint.setAntiAlias(true);
SkRandom rand;
for (int i = 0; i < loops; i++) {
SkRect r = SkRect::MakeWH(rand.nextUScalar1() * 400,
rand.nextUScalar1() * 400);
r.offset(fRadius, fRadius);
if (fRadius > 0) {
SkMorphologyImageFilter* mf = NULL;
switch (fStyle) {
case kDilate_MT:
mf = SkDilateImageFilter::Create(SkScalarFloorToInt(fRadius),
SkScalarFloorToInt(fRadius));
break;
case kErode_MT:
mf = SkErodeImageFilter::Create(SkScalarFloorToInt(fRadius),
SkScalarFloorToInt(fRadius));
break;
}
paint.setImageFilter(mf)->unref();
}
canvas->drawOval(r, paint);
}
}
private:
typedef SkBenchmark INHERITED;
};
DEF_BENCH( return new MorphologyBench(SMALL, kErode_MT); )
DEF_BENCH( return new MorphologyBench(SMALL, kDilate_MT); )
DEF_BENCH( return new MorphologyBench(BIG, kErode_MT); )
DEF_BENCH( return new MorphologyBench(BIG, kDilate_MT); )
DEF_BENCH( return new MorphologyBench(REAL, kErode_MT); )
DEF_BENCH( return new MorphologyBench(REAL, kDilate_MT); )
DEF_BENCH( return new MorphologyBench(0, kErode_MT); )
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