зеркало из https://github.com/mozilla/moz-skia.git
108 строки
3.1 KiB
C++
108 строки
3.1 KiB
C++
|
|
/*
|
|
* Copyright 2011 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 "SkColorShader.h"
|
|
#include "SkFontHost.h"
|
|
#include "SkPaint.h"
|
|
#include "SkRandom.h"
|
|
#include "SkString.h"
|
|
#include "SkTemplates.h"
|
|
|
|
#define STR "Hamburgefons"
|
|
|
|
enum FontQuality {
|
|
kBW,
|
|
kAA,
|
|
kLCD
|
|
};
|
|
|
|
static const char* fontQualityName(const SkPaint& paint) {
|
|
if (!paint.isAntiAlias()) {
|
|
return "BW";
|
|
}
|
|
if (paint.isLCDRenderText()) {
|
|
return "LCD";
|
|
}
|
|
return "AA";
|
|
}
|
|
|
|
class ShaderMaskBench : public SkBenchmark {
|
|
SkPaint fPaint;
|
|
SkString fText;
|
|
SkString fName;
|
|
FontQuality fFQ;
|
|
enum { N = SkBENCHLOOP(500) };
|
|
public:
|
|
ShaderMaskBench(void* param, bool isOpaque, FontQuality fq) : INHERITED(param) {
|
|
fFQ = fq;
|
|
fText.set(STR);
|
|
|
|
fPaint.setAntiAlias(kBW != fq);
|
|
fPaint.setLCDRenderText(kLCD == fq);
|
|
fPaint.setAlpha(isOpaque ? 0xFF : 0x80);
|
|
fPaint.setShader(new SkColorShader)->unref();
|
|
}
|
|
|
|
protected:
|
|
virtual const char* onGetName() {
|
|
fName.printf("shadermask");
|
|
fName.appendf("_%s", fontQualityName(fPaint));
|
|
fName.appendf("_%02X", fPaint.getAlpha());
|
|
return fName.c_str();
|
|
}
|
|
|
|
virtual void onDraw(SkCanvas* canvas) {
|
|
const SkIPoint dim = this->getSize();
|
|
SkRandom rand;
|
|
|
|
SkPaint paint(fPaint);
|
|
this->setupPaint(&paint);
|
|
// explicitly need these
|
|
paint.setAlpha(fPaint.getAlpha());
|
|
paint.setAntiAlias(kBW != fFQ);
|
|
paint.setLCDRenderText(kLCD == fFQ);
|
|
|
|
const SkScalar x0 = SkIntToScalar(-10);
|
|
const SkScalar y0 = SkIntToScalar(-10);
|
|
|
|
paint.setTextSize(SkIntToScalar(12));
|
|
for (int i = 0; i < N; i++) {
|
|
SkScalar x = x0 + rand.nextUScalar1() * dim.fX;
|
|
SkScalar y = y0 + rand.nextUScalar1() * dim.fY;
|
|
canvas->drawText(fText.c_str(), fText.size(), x, y, paint);
|
|
}
|
|
|
|
paint.setTextSize(SkIntToScalar(48));
|
|
for (int i = 0; i < N/4; i++) {
|
|
SkScalar x = x0 + rand.nextUScalar1() * dim.fX;
|
|
SkScalar y = y0 + rand.nextUScalar1() * dim.fY;
|
|
canvas->drawText(fText.c_str(), fText.size(), x, y, paint);
|
|
}
|
|
}
|
|
|
|
private:
|
|
typedef SkBenchmark INHERITED;
|
|
};
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
|
|
static SkBenchmark* Fact00(void* p) { return new ShaderMaskBench(p, true, kBW); }
|
|
static SkBenchmark* Fact01(void* p) { return new ShaderMaskBench(p, false, kBW); }
|
|
static SkBenchmark* Fact10(void* p) { return new ShaderMaskBench(p, true, kAA); }
|
|
static SkBenchmark* Fact11(void* p) { return new ShaderMaskBench(p, false, kAA); }
|
|
static SkBenchmark* Fact20(void* p) { return new ShaderMaskBench(p, true, kLCD); }
|
|
static SkBenchmark* Fact21(void* p) { return new ShaderMaskBench(p, false, kLCD); }
|
|
|
|
static BenchRegistry gReg00(Fact00);
|
|
static BenchRegistry gReg01(Fact01);
|
|
static BenchRegistry gReg10(Fact10);
|
|
static BenchRegistry gReg11(Fact11);
|
|
static BenchRegistry gReg20(Fact20);
|
|
static BenchRegistry gReg21(Fact21);
|