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/*
* Copyright 2014 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "Benchmark.h"
#include "SkCanvas.h"
#include "SkPaint.h"
/** This benchmark tests rendering rotated rectangles. It can optionally apply AA and/or change the
paint color between each rect. */
class RotRectBench: public Benchmark {
public:
RotRectBench(bool aa, bool changeColor)
: fAA(aa)
, fChangeColor(changeColor) {
this->makeName();
}
protected:
virtual const char* onGetName() SK_OVERRIDE { return fName.c_str(); }
virtual void onDraw(const int loops, SkCanvas* canvas) SK_OVERRIDE {
SkPaint paint;
paint.setAntiAlias(fAA);
SkColor color = 0xFF000000;
int w = canvas->getBaseLayerSize().width();
int h = canvas->getBaseLayerSize().height();
static const SkScalar kRectW = 25.1f;
static const SkScalar kRectH = 25.9f;
SkMatrix rotate;
// This value was chosen so that we frequently hit the axis-aligned case.
rotate.setRotate(30.f, kRectW / 2, kRectH / 2);
SkMatrix m = rotate;
SkScalar tx = 0, ty = 0;
for (int i = 0; i < loops; ++i) {
canvas->save();
canvas->translate(tx, ty);
canvas->concat(m);
paint.setColor(color);
if (fChangeColor) {
color += 0x010203;
color |= 0xFF000000;
}
canvas->drawRect(SkRect::MakeWH(kRectW, kRectH), paint);
canvas->restore();
tx += kRectW + 2;
if (tx > w) {
tx = 0;
ty += kRectH + 2;
if (ty > h) {
ty = 0;
}
}
m.postConcat(rotate);
}
}
private:
void makeName() {
fName = "rotated_rects";
if (fAA) {
fName.append("_aa");
} else {
fName.append("_bw");
}
if (fChangeColor) {
fName.append("_change_color");
} else {
fName.append("_same_color");
}
}
bool fAA;
bool fChangeColor;
SkString fName;
typedef Benchmark INHERITED;
};
DEF_BENCH(return new RotRectBench(true, true);)
DEF_BENCH(return new RotRectBench(true, false);)
DEF_BENCH(return new RotRectBench(false, true);)
DEF_BENCH(return new RotRectBench(false, false);)
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