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/*
* Copyright 2013 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 "SkBitmapDevice.h"
#include "SkCanvas.h"
#include "SkMagnifierImageFilter.h"
#include "SkRandom.h"
#define FILTER_WIDTH_SMALL 32
#define FILTER_HEIGHT_SMALL 32
#define FILTER_WIDTH_LARGE 256
#define FILTER_HEIGHT_LARGE 256
class MagnifierBench : public SkBenchmark {
public:
MagnifierBench(bool small) :
fIsSmall(small), fInitialized(false) {
}
protected:
virtual const char* onGetName() SK_OVERRIDE {
return fIsSmall ? "magnifier_small" : "magnifier_large";
}
virtual void onPreDraw() SK_OVERRIDE {
if (!fInitialized) {
make_checkerboard();
fInitialized = true;
}
}
virtual void onDraw(const int loops, SkCanvas* canvas) SK_OVERRIDE {
const int w = fIsSmall ? FILTER_WIDTH_SMALL : FILTER_WIDTH_LARGE;
const int h = fIsSmall ? FILTER_HEIGHT_SMALL : FILTER_HEIGHT_LARGE;
SkPaint paint;
paint.setImageFilter(
new SkMagnifierImageFilter(
SkRect::MakeXYWH(SkIntToScalar(w / 4),
SkIntToScalar(h / 4),
SkIntToScalar(w / 2),
SkIntToScalar(h / 2)), 100))->unref();
for (int i = 0; i < loops; i++) {
canvas->drawBitmap(fCheckerboard, 0, 0, &paint);
}
}
private:
void make_checkerboard() {
const int w = fIsSmall ? FILTER_WIDTH_SMALL : FILTER_WIDTH_LARGE;
const int h = fIsSmall ? FILTER_HEIGHT_LARGE : FILTER_HEIGHT_LARGE;
fCheckerboard.setConfig(SkBitmap::kARGB_8888_Config, w, h);
fCheckerboard.allocPixels();
SkBitmapDevice device(fCheckerboard);
SkCanvas canvas(&device);
canvas.clear(0x00000000);
SkPaint darkPaint;
darkPaint.setColor(0xFF804020);
SkPaint lightPaint;
lightPaint.setColor(0xFF244484);
for (int y = 0; y < h; y += 16) {
for (int x = 0; x < w; x += 16) {
canvas.save();
canvas.translate(SkIntToScalar(x), SkIntToScalar(y));
canvas.drawRect(SkRect::MakeXYWH(0, 0, 8, 8), darkPaint);
canvas.drawRect(SkRect::MakeXYWH(8, 0, 8, 8), lightPaint);
canvas.drawRect(SkRect::MakeXYWH(0, 8, 8, 8), lightPaint);
canvas.drawRect(SkRect::MakeXYWH(8, 8, 8, 8), darkPaint);
canvas.restore();
}
}
}
bool fIsSmall;
bool fInitialized;
SkBitmap fCheckerboard;
typedef SkBenchmark INHERITED;
};
///////////////////////////////////////////////////////////////////////////////
DEF_BENCH( return new MagnifierBench(true); )
DEF_BENCH( return new MagnifierBench(false); )
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