81 lines
2.0 KiB
C++
81 lines
2.0 KiB
C++
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/*
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* Copyright 2011 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 "SkDashPathEffect.h"
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#include "SkPaint.h"
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#include "SkPath.h"
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#include "SkRandom.h"
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#include "SkString.h"
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#include "SkTDArray.h"
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/*
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* Cases to consider:
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*
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* 1. antialiasing on/off (esp. width <= 1)
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* 2. strokewidth == 0, 1, 2
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* 3. hline, vline, diagonal, rect, oval
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* 4. dots [1,1] ([N,N] where N=strokeWidth?) or arbitrary (e.g. [2,1] or [1,2,3,2])
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*/
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static void path_hline(SkPath* path) {
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path->moveTo(SkIntToScalar(10), SkIntToScalar(10));
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path->lineTo(SkIntToScalar(600), SkIntToScalar(10));
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}
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class DashBench : public SkBenchmark {
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SkTDArray<SkScalar> fIntervals;
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enum {
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N = SkBENCHLOOP(100)
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};
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public:
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DashBench(void* param, const SkScalar intervals[], int count) : INHERITED(param) {
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fIntervals.append(count, intervals);
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}
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virtual void makePath(SkPath* path) {
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path_hline(path);
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}
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protected:
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virtual const char* onGetName() SK_OVERRIDE {
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return "dash";
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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.setStrokeWidth(SK_Scalar1);
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paint.setAntiAlias(false);
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SkPath path;
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this->makePath(&path);
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paint.setPathEffect(new SkDashPathEffect(fIntervals.begin(),
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fIntervals.count(), 0))->unref();
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for (int i = 0; i < N; ++i) {
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canvas->drawPath(path, 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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///////////////////////////////////////////////////////////////////////////////
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static const SkScalar gDots[] = { SK_Scalar1, SK_Scalar1 };
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#define PARAM(array) array, SK_ARRAY_COUNT(array)
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static SkBenchmark* gF0(void* p) { return new DashBench(p, PARAM(gDots)); }
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static BenchRegistry gR0(gF0);
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