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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 "bench/Benchmark.h"
- #include "include/core/SkBitmap.h"
- #include "include/core/SkCanvas.h"
- #include "include/effects/SkMagnifierImageFilter.h"
- #include "include/utils/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 Benchmark {
- public:
- MagnifierBench(bool small) :
- fIsSmall(small), fInitialized(false) {
- }
- protected:
- const char* onGetName() override {
- return fIsSmall ? "magnifier_small" : "magnifier_large";
- }
- void onDelayedSetup() override {
- if (!fInitialized) {
- make_checkerboard();
- fInitialized = true;
- }
- }
- void onDraw(int loops, SkCanvas* canvas) 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(
- SkMagnifierImageFilter::Make(
- SkRect::MakeXYWH(SkIntToScalar(w / 4),
- SkIntToScalar(h / 4),
- SkIntToScalar(w / 2),
- SkIntToScalar(h / 2)), 100, nullptr));
- 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_SMALL : FILTER_HEIGHT_LARGE;
- fCheckerboard.allocN32Pixels(w, h);
- SkCanvas canvas(fCheckerboard);
- 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 Benchmark INHERITED;
- };
- ///////////////////////////////////////////////////////////////////////////////
- DEF_BENCH( return new MagnifierBench(true); )
- DEF_BENCH( return new MagnifierBench(false); )
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