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|---|---|---|---|
| 1 | #include "rychkova_gauss/tbb/include/ops_tbb.hpp" | ||
| 2 | |||
| 3 | #include <algorithm> | ||
| 4 | #include <cstddef> | ||
| 5 | #include <cstdint> | ||
| 6 | #include <vector> | ||
| 7 | |||
| 8 | #include "oneapi/tbb/blocked_range.h" | ||
| 9 | #include "oneapi/tbb/parallel_for.h" | ||
| 10 | #include "rychkova_gauss/common/include/common.hpp" | ||
| 11 | |||
| 12 | namespace rychkova_gauss { | ||
| 13 | |||
| 14 | namespace { | ||
| 15 | int Mirror(int x, int xmin, int xmax) { | ||
| 16 | 56849472 | if (x < xmin) { | |
| 17 | return 1; | ||
| 18 | } | ||
| 19 |
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56789292 | if (x >= xmax) { |
| 20 | 60180 | return xmax - 1; | |
| 21 | } | ||
| 22 | return x; | ||
| 23 | }; | ||
| 24 | |||
| 25 | 3158304 | Pixel ComputePixel(const Image &image, std::size_t x, std::size_t y, std::size_t width, std::size_t height) { | |
| 26 | Pixel result = {.R = 0, .G = 0, .B = 0}; | ||
| 27 |
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12633216 | for (int shift_x = -1; shift_x < 2; shift_x++) { |
| 28 |
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37899648 | for (int shift_y = -1; shift_y < 2; shift_y++) { |
| 29 |
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28424736 | int xn = Mirror(static_cast<int>(x) + shift_x, 0, static_cast<int>(width)); |
| 30 |
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28424736 | int yn = Mirror(static_cast<int>(y) + shift_y, 0, static_cast<int>(height)); |
| 31 | 28424736 | auto current = image[yn][xn]; | |
| 32 | 28424736 | result.R += static_cast<uint8_t>(static_cast<double>(current.R) * kKernel[shift_x + 1][shift_y + 1]); | |
| 33 | 28424736 | result.G += static_cast<uint8_t>(static_cast<double>(current.G) * kKernel[shift_x + 1][shift_y + 1]); | |
| 34 | 28424736 | result.B += static_cast<uint8_t>(static_cast<double>(current.B) * kKernel[shift_x + 1][shift_y + 1]); | |
| 35 | } | ||
| 36 | } | ||
| 37 | 3158304 | return result; | |
| 38 | } | ||
| 39 | } // namespace | ||
| 40 | |||
| 41 |
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32 | RychkovaGaussTBB::RychkovaGaussTBB(const InType &in) { |
| 42 | SetTypeOfTask(GetStaticTypeOfTask()); | ||
| 43 |
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32 | GetInput() = in; |
| 44 | GetOutput() = {}; // cписок инициализации - пустой вектор - каждый вложенный вектор и пиксели внутри по умолчанию | ||
| 45 | 32 | } | |
| 46 | |||
| 47 |
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32 | bool RychkovaGaussTBB::ValidationImpl() { |
| 48 |
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32 | if (GetInput().empty()) { |
| 49 | return false; | ||
| 50 | } | ||
| 51 | const auto len = GetInput()[0].size(); | ||
| 52 | return std::ranges::all_of(GetInput(), [len](const auto &row) { return row.size() == len; }); | ||
| 53 | } | ||
| 54 | |||
| 55 | 32 | bool RychkovaGaussTBB::PreProcessingImpl() { | |
| 56 | 32 | return true; | |
| 57 | } | ||
| 58 | |||
| 59 | 32 | bool RychkovaGaussTBB::RunImpl() { | |
| 60 | const auto &image = GetInput(); // сохран.изоб. | ||
| 61 | 32 | const auto width = image[0].size(); | |
| 62 | 32 | const auto height = image.size(); // сайз от имаге хранит количествo строк | |
| 63 |
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32 | GetOutput() = Image(height, std::vector<Pixel>(width, Pixel(0, 0, 0))); |
| 64 | 8406 | tbb::parallel_for(tbb::blocked_range<std::size_t>(0, height), [&](const tbb::blocked_range<std::size_t> &rng) { | |
| 65 | 18726 | for (std::size_t j = rng.begin(); j < rng.end(); j++) { | |
| 66 |
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3168656 | for (std::size_t i = 0; i < width; i++) { |
| 67 | 3158304 | GetOutput()[j][i] = ComputePixel(image, i, j, width, height); | |
| 68 | } | ||
| 69 | } | ||
| 70 | 8374 | }); | |
| 71 | 32 | return true; | |
| 72 | } | ||
| 73 | |||
| 74 | 32 | bool RychkovaGaussTBB::PostProcessingImpl() { | |
| 75 | 32 | return true; | |
| 76 | } | ||
| 77 | |||
| 78 | } // namespace rychkova_gauss | ||
| 79 |