a1ebeb25e9
This drives me nuts, and prevents `while (loops --> 0)`. BUG=skia: Review URL: https://codereview.chromium.org/1379923005
97 lines
2.6 KiB
C++
97 lines
2.6 KiB
C++
/*
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* Copyright 2012 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 "SkCanvas.h"
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#include "SkMorphologyImageFilter.h"
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#include "SkPaint.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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#define SMALL SkIntToScalar(2)
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#define REAL 1.5f
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#define BIG SkIntToScalar(10)
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enum MorphologyType {
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kErode_MT,
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kDilate_MT
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};
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static const char* gStyleName[] = {
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"erode",
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"dilate"
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};
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class MorphologyBench : public Benchmark {
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SkScalar fRadius;
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MorphologyType fStyle;
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SkString fName;
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public:
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MorphologyBench(SkScalar rad, MorphologyType style)
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{
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fRadius = rad;
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fStyle = style;
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const char* name = rad > 0 ? gStyleName[style] : "none";
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if (SkScalarFraction(rad) != 0) {
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fName.printf("morph_%.2f_%s", SkScalarToFloat(rad), name);
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} else {
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fName.printf("morph_%d_%s", SkScalarRoundToInt(rad), name);
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}
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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(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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SkRandom rand;
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for (int i = 0; i < loops; i++) {
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SkRect r = SkRect::MakeWH(rand.nextUScalar1() * 400,
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rand.nextUScalar1() * 400);
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r.offset(fRadius, fRadius);
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if (fRadius > 0) {
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SkMorphologyImageFilter* mf = nullptr;
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switch (fStyle) {
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case kDilate_MT:
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mf = SkDilateImageFilter::Create(SkScalarFloorToInt(fRadius),
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SkScalarFloorToInt(fRadius));
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break;
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case kErode_MT:
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mf = SkErodeImageFilter::Create(SkScalarFloorToInt(fRadius),
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SkScalarFloorToInt(fRadius));
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break;
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}
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paint.setImageFilter(mf)->unref();
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}
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canvas->drawOval(r, paint);
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}
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}
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private:
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typedef Benchmark INHERITED;
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};
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DEF_BENCH( return new MorphologyBench(SMALL, kErode_MT); )
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DEF_BENCH( return new MorphologyBench(SMALL, kDilate_MT); )
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DEF_BENCH( return new MorphologyBench(BIG, kErode_MT); )
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DEF_BENCH( return new MorphologyBench(BIG, kDilate_MT); )
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DEF_BENCH( return new MorphologyBench(REAL, kErode_MT); )
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DEF_BENCH( return new MorphologyBench(REAL, kDilate_MT); )
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DEF_BENCH( return new MorphologyBench(0, kErode_MT); )
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