зеркало из https://github.com/mozilla/moz-skia.git
68 строки
1.7 KiB
C++
68 строки
1.7 KiB
C++
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/*
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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 "SkBenchmark.h"
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#include "SkBitmap.h"
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#include "SkCanvas.h"
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#include "SkColorPriv.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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#include "SkTArray.h"
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class LineBench : public SkBenchmark {
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SkScalar fStrokeWidth;
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bool fDoAA;
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SkString fName;
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enum {
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PTS = 500,
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N = SkBENCHLOOP(10)
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};
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SkPoint fPts[PTS];
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public:
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LineBench(void* param, SkScalar width, bool doAA) : INHERITED(param) {
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fStrokeWidth = width;
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fDoAA = doAA;
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fName.printf("lines_%g_%s", width, doAA ? "AA" : "BW");
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SkRandom rand;
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for (int i = 0; i < PTS; ++i) {
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fPts[i].set(rand.nextUScalar1() * 640, rand.nextUScalar1() * 480);
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}
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}
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protected:
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virtual const char* onGetName() SK_OVERRIDE {
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return fName.c_str();
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}
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virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
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SkPaint paint;
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this->setupPaint(&paint);
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paint.setStyle(SkPaint::kStroke_Style);
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paint.setAntiAlias(fDoAA);
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paint.setStrokeWidth(fStrokeWidth);
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for (int i = 0; i < N; i++) {
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canvas->drawPoints(SkCanvas::kLines_PointMode, PTS, fPts, paint);
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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 LineBench(p, 0, false);)
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DEF_BENCH(return new LineBench(p, SK_Scalar1, false);)
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DEF_BENCH(return new LineBench(p, 0, true);)
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DEF_BENCH(return new LineBench(p, SK_Scalar1/2, true);)
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DEF_BENCH(return new LineBench(p, SK_Scalar1, true);)
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