1 /**
2 * Copyright 2020-2023 Huawei Technologies Co., Ltd
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include "minddata/dataset/kernels/image/random_posterize_op.h"
18
19 #include "minddata/dataset/kernels/image/image_utils.h"
20 #include "minddata/dataset/util/random.h"
21
22 namespace mindspore {
23 namespace dataset {
RandomPosterizeOp(const std::vector<uint8_t> & bit_range)24 RandomPosterizeOp::RandomPosterizeOp(const std::vector<uint8_t> &bit_range) : bit_range_(bit_range) {}
25
Compute(const std::shared_ptr<Tensor> & input,std::shared_ptr<Tensor> * output)26 Status RandomPosterizeOp::Compute(const std::shared_ptr<Tensor> &input, std::shared_ptr<Tensor> *output) {
27 IO_CHECK(input, output);
28 uint8_t bits =
29 (bit_range_[0] == bit_range_[1])
30 ? bit_range_[0]
31 : static_cast<uint8_t>(std::uniform_int_distribution<uint32_t>(bit_range_[0], bit_range_[1])(random_generator_));
32 return Posterize(input, output, bits);
33 }
34 } // namespace dataset
35 } // namespace mindspore
36