/* ============================================================
*
* This file is a part of digiKam project
* https://www.digikam.org
*
* Date : 28/08/2021
* Description : Image Quality Parser - Compression basic factor detection
*
* SPDX-FileCopyrightText: 2021-2025 by Gilles Caulier <caulier dot gilles at gmail dot com>
* SPDX-FileCopyrightText: 2021-2022 by Phuoc Khanh Le <phuockhanhnk94 at gmail dot com>
*
* SPDX-License-Identifier: GPL-2.0-or-later
*
* ============================================================ */
#pragma once
// Local includes
#include "abstract_detector.h"
namespace Digikam
{
class CompressionDetector : public AbstractDetector
{
Q_OBJECT
public:
explicit CompressionDetector();
~CompressionDetector();<--- Destructor in derived class
float detect(const cv::Mat& image) const override;
private:
template <typename Function>
cv::Mat checkEdgesBlock(const cv::Mat& gray_image,
int blockSize,
Function accessEdges) const;
cv::Mat detectMonoColorRegion(const cv::Mat& image) const;
float normalize(const float number);
// Disable
explicit CompressionDetector(QObject*);
private:
class Private;
Private* const d = nullptr;
};
} // namespace Digikam