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3e51448ef0
QR code (encoding process) * add qrcode encoder * qr encoder fixes * qr encoder: fix api and realization * fixed qr encoder, added eci and kanji modes * trigger CI * qr encoder constructor fixes Co-authored-by: APrigarina <ann73617@gmail.com>
434 lines
18 KiB
C++
434 lines
18 KiB
C++
// This file is part of OpenCV project.
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// It is subject to the license terms in the LICENSE file found in the top-level directory
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// of this distribution and at http://opencv.org/license.html.
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#include "test_precomp.hpp"
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namespace opencv_test { namespace {
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std::string encode_qrcode_images_name[] = {
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"version1_mode1.png", "version1_mode2.png", "version1_mode4.png",
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"version2_mode1.png", "version2_mode2.png", "version2_mode4.png",
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"version3_mode2.png", "version3_mode4.png",
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"version4_mode4.png"
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};
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std::string encode_qrcode_eci_images_name[] = {
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"version1_mode7.png",
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"version2_mode7.png",
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"version3_mode7.png",
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"version4_mode7.png",
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"version5_mode7.png"
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};
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const Size fixed_size = Size(200, 200);
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const float border_width = 2.0;
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int establishCapacity(QRCodeEncoder::EncodeMode mode, int version, int capacity)
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{
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int result = 0;
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capacity *= 8;
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capacity -= 4;
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switch (mode)
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{
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case QRCodeEncoder::MODE_NUMERIC:
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{
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if (version >= 10)
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capacity -= 12;
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else
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capacity -= 10;
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int tmp = capacity / 10;
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result = tmp * 3;
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if (tmp * 10 + 7 <= capacity)
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result += 2;
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else if (tmp * 10 + 4 <= capacity)
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result += 1;
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break;
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}
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case QRCodeEncoder::MODE_ALPHANUMERIC:
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{
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if (version < 10)
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capacity -= 9;
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else
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capacity -= 13;
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int tmp = capacity / 11;
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result = tmp * 2;
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if (tmp * 11 + 6 <= capacity)
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result++;
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break;
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}
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case QRCodeEncoder::MODE_BYTE:
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{
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if (version > 9)
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capacity -= 16;
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else
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capacity -= 8;
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result = capacity / 8;
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break;
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}
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default:
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break;
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}
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return result;
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}
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// #define UPDATE_TEST_DATA
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#ifdef UPDATE_TEST_DATA
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TEST(Objdetect_QRCode_Encode, generate_test_data)
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{
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const std::string root = "qrcode/encode";
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const std::string dataset_config = findDataFile(root + "/" + "dataset_config.json");
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FileStorage file_config(dataset_config, FileStorage::WRITE);
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file_config << "test_images" << "[";
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size_t images_count = sizeof(encode_qrcode_images_name) / sizeof(encode_qrcode_images_name[0]);
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for (size_t i = 0; i < images_count; i++)
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{
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file_config << "{:" << "image_name" << encode_qrcode_images_name[i];
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std::string image_path = findDataFile(root + "/" + encode_qrcode_images_name[i]);
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Mat src = imread(image_path, IMREAD_GRAYSCALE);
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Mat straight_barcode;
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EXPECT_TRUE(!src.empty()) << "Can't read image: " << image_path;
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std::vector<Point2f> corners(4);
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corners[0] = Point2f(border_width, border_width);
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corners[1] = Point2f(qrcode.cols * 1.0f - border_width, border_width);
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corners[2] = Point2f(qrcode.cols * 1.0f - border_width, qrcode.rows * 1.0f - border_width);
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corners[3] = Point2f(border_width, qrcode.rows * 1.0f - border_width);
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Mat resized_src;
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resize(qrcode, resized_src, fixed_size, 0, 0, INTER_AREA);
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float width_ratio = resized_src.cols * 1.0f / qrcode.cols;
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float height_ratio = resized_src.rows * 1.0f / qrcode.rows;
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for(size_t j = 0; j < corners.size(); j++)
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{
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corners[j].x = corners[j].x * width_ratio;
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corners[j].y = corners[j].y * height_ratio;
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}
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std::string decoded_info = "";
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#ifdef HAVE_QUIRC
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EXPECT_TRUE(decodeQRCode(resized_src, corners, decoded_info, straight_barcode)) << "The QR code cannot be decoded: " << image_path;
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#endif
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file_config << "info" << decoded_info;
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file_config << "}";
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}
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file_config << "]";
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file_config.release();
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}
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#else
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typedef testing::TestWithParam< std::string > Objdetect_QRCode_Encode;
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TEST_P(Objdetect_QRCode_Encode, regression) {
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const int pixels_error = 3;
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const std::string name_current_image = GetParam();
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const std::string root = "qrcode/encode";
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std::string image_path = findDataFile(root + "/" + name_current_image);
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const std::string dataset_config = findDataFile(root + "/" + "dataset_config.json");
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FileStorage file_config(dataset_config, FileStorage::READ);
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ASSERT_TRUE(file_config.isOpened()) << "Can't read validation data: " << dataset_config;
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{
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FileNode images_list = file_config["test_images"];
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size_t images_count = static_cast<size_t>(images_list.size());
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ASSERT_GT(images_count, 0u) << "Can't find validation data entries in 'test_images': " << dataset_config;
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for (size_t index = 0; index < images_count; index++)
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{
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FileNode config = images_list[(int)index];
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std::string name_test_image = config["image_name"];
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if (name_test_image == name_current_image)
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{
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std::string original_info = config["info"];
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Ptr<QRCodeEncoder> encoder = QRCodeEncoder::create();
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Mat result;
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encoder->encode(original_info, result);
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EXPECT_FALSE(result.empty()) << "Can't generate QR code image";
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Mat src = imread(image_path, IMREAD_GRAYSCALE);
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Mat straight_barcode;
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EXPECT_TRUE(!src.empty()) << "Can't read image: " << image_path;
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double diff_norm = cvtest::norm(result - src, NORM_L1);
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EXPECT_NEAR(diff_norm, 0.0, pixels_error) << "The generated QRcode is not same as test data. The difference: " << diff_norm;
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return; // done
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}
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}
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FAIL() << "Not found results in config file:" << dataset_config
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<< "\nRe-run tests with enabled UPDATE_ENCODE_TEST_DATA macro to update test data.";
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}
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}
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typedef testing::TestWithParam< std::string > Objdetect_QRCode_Encode_ECI;
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TEST_P(Objdetect_QRCode_Encode_ECI, regression) {
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const int pixels_error = 3;
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const std::string name_current_image = GetParam();
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const std::string root = "qrcode/encode";
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std::string image_path = findDataFile(root + "/" + name_current_image);
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const std::string dataset_config = findDataFile(root + "/" + "dataset_config.json");
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FileStorage file_config(dataset_config, FileStorage::READ);
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ASSERT_TRUE(file_config.isOpened()) << "Can't read validation data: " << dataset_config;
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{
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FileNode images_list = file_config["test_images"];
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size_t images_count = static_cast<size_t>(images_list.size());
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ASSERT_GT(images_count, 0u) << "Can't find validation data entries in 'test_images': " << dataset_config;
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QRCodeEncoder::Params params;
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params.mode = QRCodeEncoder::MODE_ECI;
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for (size_t index = 0; index < images_count; index++)
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{
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FileNode config = images_list[(int)index];
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std::string name_test_image = config["image_name"];
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if (name_test_image == name_current_image)
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{
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std::string original_info = config["info"];
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Mat result;
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Ptr<QRCodeEncoder> encoder = QRCodeEncoder::create(params);
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encoder->encode(original_info, result);
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EXPECT_FALSE(result.empty()) << "Can't generate QR code image";
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Mat src = imread(image_path, IMREAD_GRAYSCALE);
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Mat straight_barcode;
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EXPECT_TRUE(!src.empty()) << "Can't read image: " << image_path;
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double diff_norm = cvtest::norm(result - src, NORM_L1);
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EXPECT_NEAR(diff_norm, 0.0, pixels_error) << "The generated QRcode is not same as test data. The difference: " << diff_norm;
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return; // done
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}
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}
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FAIL() << "Not found results in config file:" << dataset_config
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<< "\nRe-run tests with enabled UPDATE_ENCODE_TEST_DATA macro to update test data.";
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}
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}
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INSTANTIATE_TEST_CASE_P(/**/, Objdetect_QRCode_Encode, testing::ValuesIn(encode_qrcode_images_name));
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INSTANTIATE_TEST_CASE_P(/**/, Objdetect_QRCode_Encode_ECI, testing::ValuesIn(encode_qrcode_eci_images_name));
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TEST(Objdetect_QRCode_Encode_Decode, regression)
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{
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const std::string root = "qrcode/decode_encode";
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const int min_version = 1;
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const int test_max_version = 5;
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const int max_ec_level = 3;
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const std::string dataset_config = findDataFile(root + "/" + "symbol_sets.json");
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const std::string version_config = findDataFile(root + "/" + "capacity.json");
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FileStorage file_config(dataset_config, FileStorage::READ);
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FileStorage capacity_config(version_config, FileStorage::READ);
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ASSERT_TRUE(file_config.isOpened()) << "Can't read validation data: " << dataset_config;
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ASSERT_TRUE(capacity_config.isOpened()) << "Can't read validation data: " << version_config;
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FileNode mode_list = file_config["symbols_sets"];
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FileNode capacity_list = capacity_config["version_ecc_capacity"];
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size_t mode_count = static_cast<size_t>(mode_list.size());
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ASSERT_GT(mode_count, 0u) << "Can't find validation data entries in 'test_images': " << dataset_config;
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const int testing_modes = 3;
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QRCodeEncoder::EncodeMode modes[testing_modes] = {
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QRCodeEncoder::MODE_NUMERIC,
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QRCodeEncoder::MODE_ALPHANUMERIC,
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QRCodeEncoder::MODE_BYTE
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};
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for (int i = 0; i < testing_modes; i++)
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{
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QRCodeEncoder::EncodeMode mode = modes[i];
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FileNode config = mode_list[i];
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std::string symbol_set = config["symbols_set"];
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for(int version = min_version; version <= test_max_version; version++)
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{
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FileNode capa_config = capacity_list[version - 1];
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for(int level = 0; level <= max_ec_level; level++)
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{
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const int cur_capacity = capa_config["ecc_level"][level];
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int true_capacity = establishCapacity(mode, version, cur_capacity);
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std::string input_info = symbol_set;
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std::random_shuffle(input_info.begin(),input_info.end());
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int count = 0;
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if((int)input_info.length() > true_capacity)
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{
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input_info = input_info.substr(0, true_capacity);
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}
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else
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{
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while ((int)input_info.length() != true_capacity)
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{
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input_info += input_info.substr(count%(int)input_info.length(), 1);
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count++;
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}
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}
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QRCodeEncoder::Params params;
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params.version = version;
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params.correction_level = static_cast<QRCodeEncoder::CorrectionLevel>(level);
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params.mode = mode;
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Ptr<QRCodeEncoder> encoder = QRCodeEncoder::create(params);
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Mat qrcode;
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encoder->encode(input_info, qrcode);
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EXPECT_TRUE(!qrcode.empty()) << "Can't generate this QR image (" << "mode: " << (int)mode <<
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" version: "<< version <<" error correction level: "<< (int)level <<")";
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std::vector<Point2f> corners(4);
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corners[0] = Point2f(border_width, border_width);
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corners[1] = Point2f(qrcode.cols * 1.0f - border_width, border_width);
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corners[2] = Point2f(qrcode.cols * 1.0f - border_width, qrcode.rows * 1.0f - border_width);
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corners[3] = Point2f(border_width, qrcode.rows * 1.0f - border_width);
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Mat resized_src;
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resize(qrcode, resized_src, fixed_size, 0, 0, INTER_AREA);
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float width_ratio = resized_src.cols * 1.0f / qrcode.cols;
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float height_ratio = resized_src.rows * 1.0f / qrcode.rows;
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for(size_t k = 0; k < corners.size(); k++)
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{
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corners[k].x = corners[k].x * width_ratio;
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corners[k].y = corners[k].y * height_ratio;
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}
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std::string output_info = "";
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Mat straight_barcode;
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#ifdef HAVE_QUIRC
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bool success = decodeQRCode(resized_src, corners, output_info, straight_barcode);
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EXPECT_TRUE(success) << "The generated QRcode cannot be decoded." << " Mode: " << (int)mode<<
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" version: " << version << " error correction level: " << (int)level;
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#endif
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EXPECT_EQ(input_info, output_info) << "The generated QRcode is not same as test data." << " Mode: " << (int)mode <<
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" version: " << version << " error correction level: " << (int)level;
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}
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}
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}
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}
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TEST(Objdetect_QRCode_Encode_Kanji, regression)
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{
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QRCodeEncoder::Params params;
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params.mode = QRCodeEncoder::MODE_KANJI;
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Mat qrcode;
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const int testing_versions = 3;
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std::string input_infos[testing_versions] = {"\x82\xb1\x82\xf1\x82\xc9\x82\xbf\x82\xcd\x90\xa2\x8a\x45", // こんにちは世界
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"\x82\xa8\x95\xa0\x82\xaa\x8b\xf3\x82\xa2\x82\xc4\x82\xa2\x82\xdc\x82\xb7", // お腹が空いています
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"\x82\xb1\x82\xf1\x82\xc9\x82\xbf\x82\xcd\x81\x41\x8e\x84\x82\xcd\x8f\xad\x82\xb5\x93\xfa\x96\x7b\x8c\xea\x82\xf0\x98\x62\x82\xb5\x82\xdc\x82\xb7" // こんにちは、私は少し日本語を話します
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};
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for (int i = 0; i < testing_versions; i++)
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{
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std::string input_info = input_infos[i];
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Ptr<QRCodeEncoder> encoder = QRCodeEncoder::create(params);
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encoder->encode(input_info, qrcode);
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std::vector<Point2f> corners(4);
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corners[0] = Point2f(border_width, border_width);
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corners[1] = Point2f(qrcode.cols * 1.0f - border_width, border_width);
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corners[2] = Point2f(qrcode.cols * 1.0f - border_width, qrcode.rows * 1.0f - border_width);
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corners[3] = Point2f(border_width, qrcode.rows * 1.0f - border_width);
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Mat resized_src;
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resize(qrcode, resized_src, fixed_size, 0, 0, INTER_AREA);
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float width_ratio = resized_src.cols * 1.0f / qrcode.cols;
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float height_ratio = resized_src.rows * 1.0f / qrcode.rows;
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for(size_t j = 0; j < corners.size(); j++)
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{
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corners[j].x = corners[j].x * width_ratio;
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corners[j].y = corners[j].y * height_ratio;
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}
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Mat straight_barcode;
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std::string decoded_info = "";
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#ifdef HAVE_QUIRC
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EXPECT_TRUE(decodeQRCode(resized_src, corners, decoded_info, straight_barcode)) << "The generated QRcode cannot be decoded.";
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#endif
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EXPECT_EQ(input_info, decoded_info);
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}
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}
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TEST(Objdetect_QRCode_Encode_Decode_Structured_Append, DISABLED_regression)
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{
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// disabled since QR decoder probably doesn't support structured append mode qr codes
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const std::string root = "qrcode/decode_encode";
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const std::string dataset_config = findDataFile(root + "/" + "symbol_sets.json");
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const std::string version_config = findDataFile(root + "/" + "capacity.json");
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FileStorage file_config(dataset_config, FileStorage::READ);
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ASSERT_TRUE(file_config.isOpened()) << "Can't read validation data: " << dataset_config;
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FileNode mode_list = file_config["symbols_sets"];
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size_t mode_count = static_cast<size_t>(mode_list.size());
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ASSERT_GT(mode_count, 0u) << "Can't find validation data entries in 'test_images': " << dataset_config;
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int modes[] = {1, 2, 4};
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const int min_stuctures_num = 2;
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const int max_stuctures_num = 5;
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for (int i = 0; i < 3; i++)
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{
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int mode = modes[i];
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FileNode config = mode_list[i];
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std::string symbol_set = config["symbols_set"];
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std::string input_info = symbol_set;
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std::random_shuffle(input_info.begin(), input_info.end());
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for (int j = min_stuctures_num; j < max_stuctures_num; j++)
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{
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QRCodeEncoder::Params params;
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params.structure_number = j;
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Ptr<QRCodeEncoder> encoder = QRCodeEncoder::create(params);
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vector<Mat> qrcodes;
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encoder->encodeStructuredAppend(input_info, qrcodes);
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EXPECT_TRUE(!qrcodes.empty()) << "Can't generate this QR images";
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std::string output_info = "";
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for (size_t k = 0; k < qrcodes.size(); k++)
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{
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Mat qrcode = qrcodes[k];
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std::vector<Point2f> corners(4);
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corners[0] = Point2f(border_width, border_width);
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corners[1] = Point2f(qrcode.cols * 1.0f - border_width, border_width);
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corners[2] = Point2f(qrcode.cols * 1.0f - border_width, qrcode.rows * 1.0f - border_width);
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corners[3] = Point2f(border_width, qrcode.rows * 1.0f - border_width);
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Mat resized_src;
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resize(qrcode, resized_src, fixed_size, 0, 0, INTER_AREA);
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float width_ratio = resized_src.cols * 1.0f / qrcode.cols;
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float height_ratio = resized_src.rows * 1.0f / qrcode.rows;
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for(size_t m = 0; m < corners.size(); m++)
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{
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corners[m].x = corners[m].x * width_ratio;
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corners[m].y = corners[m].y * height_ratio;
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}
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std::string decoded_info = "";
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Mat straight_barcode;
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#ifdef HAVE_QUIRC
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bool success = decodeQRCode(resized_src, corners, decoded_info, straight_barcode);
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EXPECT_TRUE(success) << "The generated QRcode cannot be decoded." << " Mode: " << mode <<
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" structures number: " << k << "/" << j;
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#endif
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output_info += decoded_info;
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}
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EXPECT_EQ(input_info, output_info) << "The generated QRcode is not same as test data." << " Mode: " << mode <<
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" structures number: " << j;
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}
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}
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}
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#endif // UPDATE_QRCODE_TEST_DATA
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}} // namespace
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