chromium/skia/ext/recursive_gaussian_convolution_unittest.cc

// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include <functional>
#include <numeric>
#include <vector>

#include "base/files/file_path.h"
#include "base/files/file_util.h"
#include "base/ranges/algorithm.h"
#include "base/time/time.h"
#include "skia/ext/convolver.h"
#include "skia/ext/recursive_gaussian_convolution.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/skia/include/core/SkPoint.h"
#include "third_party/skia/include/core/SkRect.h"

namespace {

int ComputeRowStride(int width, int channel_count, int stride_slack) { … }

SkIPoint MakeImpulseImage(std::vector<unsigned char>* image,
                          int width,
                          int height,
                          int channel_index,
                          int channel_count,
                          int stride_slack) { … }

SkIRect MakeBoxImage(std::vector<unsigned char>* image,
                     int width,
                     int height,
                     int channel_index,
                     int channel_count,
                     int stride_slack,
                     int box_width,
                     int box_height,
                     unsigned char value) { … }

int ComputeBoxSum(const std::vector<unsigned char>& image,
                  const SkIRect& box,
                  int image_width) { … }

}  // namespace

namespace skia {

TEST(RecursiveGaussian, SmoothingMethodComparison) { … }

TEST(RecursiveGaussian, SmoothingImpulse) { … }

TEST(RecursiveGaussian, FirstDerivative) { … }

TEST(RecursiveGaussian, SecondDerivative) { … }

}  // namespace skia