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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 "SkBitmapSource.h"
#include "SkBlendImageFilter.h"
#include "SkCanvas.h"
#include "SkDevice.h"
#define FILTER_WIDTH 256
#define FILTER_HEIGHT 256
class BlendBaseBench : public SkBenchmark {
public:
BlendBaseBench(void* param) : INHERITED(param), fInitialized(false) {
}
protected:
virtual void onPreDraw() SK_OVERRIDE {
if (!fInitialized) {
make_bitmap();
make_checkerboard();
fInitialized = true;
}
}
void drawClippedBitmap(SkCanvas* canvas, const SkPaint& paint, int x) {
canvas->save();
canvas->clipRect(SkRect::MakeXYWH(SkIntToScalar(x), 0,
SkIntToScalar(fBitmap.width()), SkIntToScalar(fBitmap.height())));
canvas->drawBitmap(fBitmap, SkIntToScalar(x), 0, &paint);
canvas->restore();
}
void make_bitmap() {
fBitmap.setConfig(SkBitmap::kARGB_8888_Config, FILTER_WIDTH, FILTER_HEIGHT);
fBitmap.allocPixels();
SkDevice device(fBitmap);
SkCanvas canvas(&device);
canvas.clear(0x00000000);
SkPaint paint;
paint.setAntiAlias(true);
paint.setColor(0xD000D000);
paint.setTextSize(SkIntToScalar(96));
const char* str = "e";
canvas.drawText(str, strlen(str), SkIntToScalar(15), SkIntToScalar(65), paint);
}
void make_checkerboard() {
fCheckerboard.setConfig(SkBitmap::kARGB_8888_Config, FILTER_WIDTH, FILTER_HEIGHT);
fCheckerboard.allocPixels();
SkDevice device(fCheckerboard);
SkCanvas canvas(&device);
canvas.clear(0x00000000);
SkPaint darkPaint;
darkPaint.setColor(0xFF404040);
SkPaint lightPaint;
lightPaint.setColor(0xFFA0A0A0);
for (int y = 0; y < FILTER_HEIGHT; y += 16) {
for (int x = 0; x < FILTER_WIDTH; 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();
}
}
}
typedef SkBenchmark INHERITED;
SkBitmap fBitmap, fCheckerboard;
bool fInitialized;
};
class BlendNormalBench : public BlendBaseBench {
public:
BlendNormalBench(void* param) : INHERITED(param) {
}
protected:
virtual const char* onGetName() SK_OVERRIDE {
return "blend_normal";
}
virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
SkPaint paint;
SkAutoTUnref<SkImageFilter> background(SkNEW_ARGS(SkBitmapSource, (fCheckerboard)));
paint.setImageFilter(SkNEW_ARGS(SkBlendImageFilter,
(SkBlendImageFilter::kNormal_Mode, background)))->unref();
drawClippedBitmap(canvas, paint, 0);
}
private:
typedef BlendBaseBench INHERITED;
};
class BlendMultiplyBench : public BlendBaseBench {
public:
BlendMultiplyBench(void* param) : INHERITED(param) {
}
protected:
virtual const char* onGetName() SK_OVERRIDE {
return "blend_multiply";
}
virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
SkPaint paint;
SkAutoTUnref<SkImageFilter> background(SkNEW_ARGS(SkBitmapSource, (fCheckerboard)));
paint.setImageFilter(SkNEW_ARGS(SkBlendImageFilter,
(SkBlendImageFilter::kMultiply_Mode, background)))->unref();
drawClippedBitmap(canvas, paint, 100);
}
private:
typedef BlendBaseBench INHERITED;
};
class BlendScreenBench : public BlendBaseBench {
public:
BlendScreenBench(void* param) : INHERITED(param) {
}
protected:
virtual const char* onGetName() SK_OVERRIDE {
return "blend_screen";
}
virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
SkPaint paint;
SkAutoTUnref<SkImageFilter> background(SkNEW_ARGS(SkBitmapSource, (fCheckerboard)));
paint.setImageFilter(SkNEW_ARGS(SkBlendImageFilter,
(SkBlendImageFilter::kScreen_Mode, background)))->unref();
drawClippedBitmap(canvas, paint, 200);
}
private:
typedef BlendBaseBench INHERITED;
};
class BlendDarkenBench : public BlendBaseBench {
public:
BlendDarkenBench(void* param) : INHERITED(param) {
}
protected:
virtual const char* onGetName() SK_OVERRIDE {
return "blend_darken";
}
virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
SkPaint paint;
SkAutoTUnref<SkImageFilter> background(SkNEW_ARGS(SkBitmapSource, (fCheckerboard)));
paint.setImageFilter(SkNEW_ARGS(SkBlendImageFilter,
(SkBlendImageFilter::kDarken_Mode, background)))->unref();
drawClippedBitmap(canvas, paint, 300);
}
private:
typedef BlendBaseBench INHERITED;
};
class BlendLightenBench : public BlendBaseBench {
public:
BlendLightenBench(void* param) : INHERITED(param) {
}
protected:
virtual const char* onGetName() SK_OVERRIDE {
return "blend_lighten";
}
virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
SkPaint paint;
SkAutoTUnref<SkImageFilter> background(SkNEW_ARGS(SkBitmapSource, (fCheckerboard)));
paint.setImageFilter(SkNEW_ARGS(SkBlendImageFilter,
(SkBlendImageFilter::kLighten_Mode, background)))->unref();
drawClippedBitmap(canvas, paint, 400);
}
private:
typedef BlendBaseBench INHERITED;
};
///////////////////////////////////////////////////////////////////////////////
DEF_BENCH( return new BlendNormalBench(p); )
DEF_BENCH( return new BlendMultiplyBench(p); )
DEF_BENCH( return new BlendScreenBench(p); )
DEF_BENCH( return new BlendDarkenBench(p); )
DEF_BENCH( return new BlendLightenBench(p); )
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