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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 "SkBitmapSource.h"
#include "SkCanvas.h"
#include "SkMergeImageFilter.h"
#define FILTER_WIDTH_SMALL SkIntToScalar(32)
#define FILTER_HEIGHT_SMALL SkIntToScalar(32)
#define FILTER_WIDTH_LARGE SkIntToScalar(256)
#define FILTER_HEIGHT_LARGE SkIntToScalar(256)
class MergeBench : public SkBenchmark {
public:
MergeBench(bool small) : fIsSmall(small), fInitialized(false) { }
protected:
virtual const char* onGetName() SK_OVERRIDE {
return fIsSmall ? "merge_small" : "merge_large";
}
virtual void onPreDraw() SK_OVERRIDE {
if (!fInitialized) {
make_bitmap();
make_checkerboard();
fInitialized = true;
}
}
virtual void onDraw(const int loops, SkCanvas* canvas) SK_OVERRIDE {
SkRect r = fIsSmall ? SkRect::MakeWH(FILTER_WIDTH_SMALL, FILTER_HEIGHT_SMALL) :
SkRect::MakeWH(FILTER_WIDTH_LARGE, FILTER_HEIGHT_LARGE);
SkPaint paint;
paint.setImageFilter(mergeBitmaps())->unref();
for (int i = 0; i < loops; i++) {
canvas->drawRect(r, paint);
}
}
private:
SkImageFilter* mergeBitmaps() {
SkImageFilter* first = SkBitmapSource::Create(fCheckerboard);
SkImageFilter* second = SkBitmapSource::Create(fBitmap);
SkAutoUnref aur0(first);
SkAutoUnref aur1(second);
return SkMergeImageFilter::Create(first, second);
}
void make_bitmap() {
fBitmap.setConfig(SkBitmap::kARGB_8888_Config, 80, 80);
fBitmap.allocPixels();
SkBitmapDevice device(fBitmap);
SkCanvas canvas(&device);
canvas.clear(0x00000000);
SkPaint paint;
paint.setAntiAlias(true);
paint.setColor(0xFF884422);
paint.setTextSize(SkIntToScalar(96));
const char* str = "g";
canvas.drawText(str, strlen(str), SkIntToScalar(15), SkIntToScalar(55), paint);
}
void make_checkerboard() {
fCheckerboard.setConfig(SkBitmap::kARGB_8888_Config, 80, 80);
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 < 80; y += 16) {
for (int x = 0; x < 80; 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 fBitmap, fCheckerboard;
typedef SkBenchmark INHERITED;
};
///////////////////////////////////////////////////////////////////////////////
DEF_BENCH( return new MergeBench(true); )
DEF_BENCH( return new MergeBench(false); )
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