Move convolver, image_operations, and skia_utils from base/gfx to skia/ext....

base/gfx/img_resize_perftest.cc

-// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include <stdlib.h>
-#include <time.h>
-
-#include "base/perftimer.h"
-#include "base/gfx/convolver.h"
-#include "base/gfx/image_operations.h"
-#include "base/gfx/image_resizer.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace {
-
-void FillRandomData(char* dest, int byte_count) {
-  srand(static_cast<unsigned>(time(NULL)));
-  for (int i = 0; i < byte_count; i++)
-    dest[i] = rand() * 255 / RAND_MAX;
-}
-
-}  // namespace
-
-// Old code gives [1521, 1519]ms for this, 4000x4000 -> 2100x2100 lanczos8
-
-TEST(ImageResizePerf, BigFilter) {
-  static const int kSrcWidth = 4000;
-  static const int kSrcHeight = 4000;
-  static const int kSrcByteSize = kSrcWidth * kSrcHeight * 4;
-
-  SkBitmap src_bmp;
-  src_bmp.setConfig(SkBitmap::kARGB_8888_Config, kSrcWidth, kSrcHeight);
-  src_bmp.allocPixels();
-  FillRandomData(reinterpret_cast<char*>(src_bmp.getAddr32(0, 0)),
-                 kSrcByteSize);
-
-  // Make the dest size > 1/2 so the 50% optimization doesn't kick in.
-  static const int kDestWidth = 1400;
-  static const int kDestHeight = 1400;
-
-  PerfTimeLogger resize_timer("resize");
-  gfx::ImageResizer resizer(gfx::ImageResizer::LANCZOS3);
-  SkBitmap dest = resizer.Resize(src_bmp, kDestWidth, kDestHeight);
-}
-
-// The original image filter we were using took 523ms for this test, while this
-// one takes 857ms.
-// TODO(brettw) make this at least 64% faster.
-TEST(ImageOperationPerf, BigFilter) {
-  static const int kSrcWidth = 4000;
-  static const int kSrcHeight = 4000;
-  static const int kSrcByteSize = kSrcWidth * kSrcHeight * 4;
-
-  SkBitmap src_bmp;
-  src_bmp.setConfig(SkBitmap::kARGB_8888_Config, kSrcWidth, kSrcHeight);
-  src_bmp.allocPixels();
-  src_bmp.setIsOpaque(true);
-  FillRandomData(reinterpret_cast<char*>(src_bmp.getAddr32(0, 0)),
-                 kSrcByteSize);
-
-  // Make the dest size > 1/2 so the 50% optimization doesn't kick in.
-  static const int kDestWidth = 1400;
-  static const int kDestHeight = 1400;
-
-  PerfTimeLogger resize_timer("resize");
-  SkBitmap dest = gfx::ImageOperations::Resize(src_bmp,
-      gfx::ImageOperations::RESIZE_LANCZOS3, (float)kDestWidth / (float)kSrcWidth,
-      (float)kDestHeight / (float)kSrcHeight);
-}
-