1 /**
2 * Copyright 2021 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 "tools/converter/preprocess/opencv_utils.h"
18 #include <vector>
19 #include "src/common/log_adapter.h"
20 #include "include/errorcode.h"
21 namespace mindspore {
22 namespace lite {
23 namespace preprocess {
ConvertColorConversionCodes(const std::string & format)24 cv::ColorConversionCodes ConvertColorConversionCodes(const std::string &format) {
25 if (format == "RGB") {
26 return cv::COLOR_BGR2RGB;
27 } else if (format == "GRAY") {
28 return cv::COLOR_BGR2GRAY;
29 } else {
30 MS_LOG(ERROR) << "Unsupported format:" << format;
31 return cv::COLOR_COLORCVT_MAX;
32 }
33 }
34
ConvertColorConversionCodes(preprocess::ImageToFormat format)35 cv::ColorConversionCodes ConvertColorConversionCodes(preprocess::ImageToFormat format) {
36 if (format == RGB) {
37 return cv::COLOR_BGR2RGB;
38 } else if (format == GRAY) {
39 return cv::COLOR_BGR2GRAY;
40 } else {
41 MS_LOG(ERROR) << "Unsupported format:" << format;
42 return cv::COLOR_COLORCVT_MAX;
43 }
44 }
45
ConvertResizeMethod(const std::string & method)46 cv::InterpolationFlags ConvertResizeMethod(const std::string &method) {
47 if (method == "NEAREST") {
48 return cv::INTER_NEAREST;
49 } else if (method == "LINEAR") {
50 return cv::INTER_LINEAR;
51 } else if (method == "CUBIC") {
52 return cv::INTER_CUBIC;
53 } else {
54 MS_LOG(ERROR) << "INPUT ILLEGAL: resize_method must be NEAREST|LINEAR|CUBIC.";
55 return cv::INTER_MAX;
56 }
57 }
58
GetMatData(const cv::Mat & mat,void ** data,size_t * size)59 int GetMatData(const cv::Mat &mat, void **data, size_t *size) {
60 if (data == nullptr || size == nullptr) {
61 MS_LOG(ERROR) << "data or size is nullptr.";
62 return RET_NULL_PTR;
63 }
64 cv::Mat mat_local = mat;
65 // if the input Mat's memory is not continuous, copy it to one block of memory
66 if (!mat.isContinuous()) {
67 mat_local = mat.clone();
68 }
69 (*size) = 0;
70 for (int i = 0; i < mat.rows; ++i) {
71 (*size) += static_cast<size_t>(mat.cols) * mat.elemSize();
72 }
73
74 (*data) = new char[*size];
75 if (memcpy_s(*data, *size, mat_local.data,
76 static_cast<size_t>(mat.rows * mat.cols * mat.channels()) * sizeof(float)) != EOK) {
77 MS_LOG(ERROR) << "memcpy failed.";
78 return RET_ERROR;
79 }
80 return RET_OK;
81 }
82 } // namespace preprocess
83 } // namespace lite
84 } // namespace mindspore
85