TestFinderPatternDetector.h

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/*
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */
 
#pragma once
 
#include "ocean/test/testcv/testdetector/testqrcodes/TestCVDetectorQRCodes.h"
 
#include "ocean/base/RandomGenerator.h"
 
#include "ocean/cv/detector/qrcodes/FinderPatternDetector.h"
 
namespace Ocean
{
 
namespace Test
{
 
namespace TestCV
{
 
namespace TestDetector
{
 
namespace TestQRCodes
{
 
/**
 * This class implements a test for the QR code detector.
 * @ingroup testcvdetectorqrcodes
 */
class OCEAN_TEST_CV_DETECTOR_QRCODES_EXPORT TestFinderPatternDetector : protected CV::Detector::QRCodes::FinderPatternDetector
{
    public:
 
        /**
         * Invokes all test for the QR code detector.
         * @param testDuration Number of seconds for each test, with range (0, infinity)
         * @param worker The worker object
         * @return True, if succeeded
         */
        static bool test(const double testDuration, Worker& worker);
 
         /**
         * Tests the detection of finder patterns in row (horizontal detection)
         * @param filterSize the size of the Gaussian blur kernel to be applied, range: [1, infinity) must be odd, use 0 to disable blurring altogether
         * @param testDuration Number of seconds for each test, with range (0, infinity)
         * @param worker The worker object
         * @return True, if succeeded
         */
        static bool testDetectFinderPatternSyntheticData(const unsigned int filterSize, const double testDuration, Worker& worker);
 
    protected:
 
         /**
          * Paint a finder pattern into a grayscale image.
          * @param yFrame The grayscale image, with pixel format FORMAT_Y8, with resolution [29, infinity)x[29, infinity), must be valid
          * @param location The location of the center of the finder pattern that will be drawn. Must inside the image and at least `round(length)` pixels away from frame border
          * @param length Diameter of the finder pattern in horizontal direction, range: [7, infinity)
          * @param rotation The rotation angle in radian, range: (-infinity, infinity)
          * @param foregroundColor Color that is used for the finder pattern (usually black), range: [0, 255]
          * @param backgroundColor Background color that the finder pattern is drawn on (usually white), range: [0, 255]
          * @param worker Optional worker instance
          */
        static void paintFinderPattern(Frame& yFrame, const Vector2& location, const Scalar& length, const Scalar& rotation, const uint8_t foregroundColor, const uint8_t backgroundColor, Worker* worker = nullptr);
};
 
} // namespace TestQRCodes
 
} // namespace TestDetector
 
} // namespace TestCV
 
} // namespace Test
 
} // namespace Ocean