TestAlignmentPatternDetector.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"
 
namespace Ocean
{
 
namespace Test
{
 
namespace TestCV
{
 
namespace TestDetector
{
 
namespace TestQRCodes
{
 
/**
 * This class implements tests for the alignment pattern detector
 * @ingroup testcvdetectorqrcodes
 */
class OCEAN_TEST_CV_DETECTOR_QRCODES_EXPORT TestAlignmentPatternDetector
{
    public:
 
        /**
         * Tests the functions of the alignment pattern detector.
         * @param testDuration Number of seconds for each test, with range (0, infinity)
         * @return True, if succeeded
         */
        static bool test(const double testDuration);
 
        /**
         * Test for the detection of alignment patterns using synthetic test data
         * @param gaussianFilterSize Size of a Gaussian filter that is applied to the synthesized data; no filter is applied for the value 0, range: [0, infinity), must be an odd value
         * @param testDuration Number of seconds for each test, with range (0, infinity)
         * @return True, if succeeded
         */
        static bool testDetectAlignmentPatternsSyntheticData(const unsigned int gaussianFilterSize, const double testDuration);
 
    protected:
 
        /**
         * Draws a single (synthetic) alignment pattern
         * @param yFrame The 8-bit grayscale image that the alignment pattern will be drawn into, must be valid and the origin in the upper left corner
         * @param location The location in the input image where the alignment pattern will be draw
         * @param patternSizeInPixels The side length of the alignment pattern in pixels with which it will be drawn, range: [5, infinity)
         * @param rotation The angle in radian by which the alignment pattern will be rotated, range: [0, PI/2]
         * @param foregroundColor The pixel value that will be used for foreground elements, range: [0, 255]
         * @param backgroundColor The pixel value that will be used for background elements, range: [0, 255]
         */
        static void drawAlignmentPattern(Frame& yFrame, const Vector2& location, const Scalar patternSizeInPixels, const Scalar rotation, const uint8_t foregroundColor, const uint8_t backgroundColor);
};
 
} // namespace TestQRCodes
 
} // namespace TestDetector
 
} // namespace TestCV
 
} // namespace Test
 
} // namepace Test