101 lines
3.2 KiB
C++
101 lines
3.2 KiB
C++
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/*
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* Copyright 2013 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "SkBenchmark.h"
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#include "SkBitmapSource.h"
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#include "SkCanvas.h"
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#include "SkDevice.h"
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#include "SkMergeImageFilter.h"
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#define FILTER_WIDTH_SMALL SkIntToScalar(32)
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#define FILTER_HEIGHT_SMALL SkIntToScalar(32)
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#define FILTER_WIDTH_LARGE SkIntToScalar(256)
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#define FILTER_HEIGHT_LARGE SkIntToScalar(256)
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class MergeBench : public SkBenchmark {
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public:
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MergeBench(void* param, bool small) : INHERITED(param), fIsSmall(small), fInitialized(false) {
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}
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protected:
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virtual const char* onGetName() SK_OVERRIDE {
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return fIsSmall ? "merge_small" : "merge_large";
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}
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virtual void onPreDraw() SK_OVERRIDE {
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if (!fInitialized) {
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make_bitmap();
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make_checkerboard();
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fInitialized = true;
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}
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}
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virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
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SkRect r = fIsSmall ? SkRect::MakeWH(FILTER_WIDTH_SMALL, FILTER_HEIGHT_SMALL) :
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SkRect::MakeWH(FILTER_WIDTH_LARGE, FILTER_HEIGHT_LARGE);
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SkPaint paint;
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paint.setImageFilter(mergeBitmaps())->unref();
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canvas->drawRect(r, paint);
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}
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private:
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SkImageFilter* mergeBitmaps() {
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SkImageFilter* first = new SkBitmapSource(fCheckerboard);
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SkImageFilter* second = new SkBitmapSource(fBitmap);
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SkAutoUnref aur0(first);
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SkAutoUnref aur1(second);
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return new SkMergeImageFilter(first, second);
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}
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void make_bitmap() {
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fBitmap.setConfig(SkBitmap::kARGB_8888_Config, 80, 80);
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fBitmap.allocPixels();
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SkDevice device(fBitmap);
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SkCanvas canvas(&device);
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canvas.clear(0x00000000);
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SkPaint paint;
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paint.setAntiAlias(true);
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paint.setColor(0xFF884422);
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paint.setTextSize(SkIntToScalar(96));
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const char* str = "g";
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canvas.drawText(str, strlen(str), SkIntToScalar(15), SkIntToScalar(55), paint);
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}
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void make_checkerboard() {
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fCheckerboard.setConfig(SkBitmap::kARGB_8888_Config, 80, 80);
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fCheckerboard.allocPixels();
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SkDevice device(fCheckerboard);
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SkCanvas canvas(&device);
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canvas.clear(0x00000000);
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SkPaint darkPaint;
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darkPaint.setColor(0xFF804020);
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SkPaint lightPaint;
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lightPaint.setColor(0xFF244484);
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for (int y = 0; y < 80; y += 16) {
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for (int x = 0; x < 80; x += 16) {
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canvas.save();
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canvas.translate(SkIntToScalar(x), SkIntToScalar(y));
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canvas.drawRect(SkRect::MakeXYWH(0, 0, 8, 8), darkPaint);
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canvas.drawRect(SkRect::MakeXYWH(8, 0, 8, 8), lightPaint);
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canvas.drawRect(SkRect::MakeXYWH(0, 8, 8, 8), lightPaint);
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canvas.drawRect(SkRect::MakeXYWH(8, 8, 8, 8), darkPaint);
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canvas.restore();
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}
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}
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}
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bool fIsSmall;
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bool fInitialized;
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SkBitmap fBitmap, fCheckerboard;
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typedef SkBenchmark INHERITED;
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};
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///////////////////////////////////////////////////////////////////////////////
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DEF_BENCH( return new MergeBench(p, true); )
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DEF_BENCH( return new MergeBench(p, false); )
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