diff options
author | sugoi@google.com <sugoi@google.com@2bbb7eff-a529-9590-31e7-b0007b416f81> | 2013-04-23 14:20:45 +0000 |
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committer | sugoi@google.com <sugoi@google.com@2bbb7eff-a529-9590-31e7-b0007b416f81> | 2013-04-23 14:20:45 +0000 |
commit | 580a17241c51712f26441c6551c773e3769738e9 (patch) | |
tree | 77412c01336b076726791734a741f392b2f4cd4c /bench/MagnifierBench.cpp | |
parent | c3f63570c35a1e2bc84b33906c6401d6f3062bf2 (diff) |
Added a few bench for some image filters
Review URL: https://codereview.chromium.org/14234019
git-svn-id: http://skia.googlecode.com/svn/trunk@8824 2bbb7eff-a529-9590-31e7-b0007b416f81
Diffstat (limited to 'bench/MagnifierBench.cpp')
-rw-r--r-- | bench/MagnifierBench.cpp | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/bench/MagnifierBench.cpp b/bench/MagnifierBench.cpp new file mode 100644 index 0000000000..af507ac8a5 --- /dev/null +++ b/bench/MagnifierBench.cpp @@ -0,0 +1,85 @@ +/* + * 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 "SkCanvas.h" +#include "SkDevice.h" +#include "SkMagnifierImageFilter.h" +#include "SkRandom.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 MagnifierBench : public SkBenchmark { +public: + MagnifierBench(void* param, bool small) : + INHERITED(param), 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(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(); + 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(); + SkDevice 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(p, true); ) +DEF_BENCH( return new MagnifierBench(p, false); ) + |