iccmanager.h

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/* ============================================================
 *
 * This file is a part of digiKam project
 * https://www.digikam.org
 *
 * Date        : 2009-08-12
 * Description : methods that implement color management tasks
 *
 * Copyright (C) 2005-2006 by F.J. Cruz <fj dot cruz at supercable dot es>
 * Copyright (C) 2005-2022 by Gilles Caulier <caulier dot gilles at gmail dot com>
 * Copyright (C) 2009-2011 by Marcel Wiesweg <marcel dot wiesweg at gmx dot de>
 *
 * This program is free software; you can redistribute it
 * and/or modify it under the terms of the GNU General
 * Public License as published by the Free Software Foundation;
 * either version 2, or (at your option)
 * any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * ============================================================ */
 
#ifndef DIGIKAM_ICC_MANAGER_H
#define DIGIKAM_ICC_MANAGER_H
 
// Local includes
 
#include "digikam_export.h"
#include "iccprofile.h"
#include "iccsettings.h"
#include "iccsettingscontainer.h"
 
namespace Digikam
{
 
class DImg;
class DImgLoaderObserver;
class IccTransform;
 
class DIGIKAM_EXPORT IccManager
{
public:
 
    explicit IccManager(const DImg& image, const ICCSettingsContainer& settings = IccSettings::instance()->settings());
    ~IccManager();
 
    void setObserver(DImgLoaderObserver* const observer);
 
    DImg image()                    const;
    ICCSettingsContainer settings() const;
    DImgLoaderObserver* observer()  const;
 
    bool hasValidWorkspace()        const;
    bool isUncalibratedColor()      const;
    bool isMissingProfile()         const;
    bool isProfileMismatch()        const;
 
    void transformDefault();
 
    void transform(ICCSettingsContainer::Behavior behavior,
                   const IccProfile& specifiedProfile = IccProfile());
    void transformToSRGB();
 
    static bool isSRGB(const DImg& img);
 
    void transformForOutput(const IccProfile& outputProfile);
 
    void transformForDisplay();
    void transformForDisplay(QWidget* const widget);
    void transformForDisplay(const IccProfile& displayProfile);
 
    static IccProfile displayProfile(QWidget* const displayingWidget = nullptr);
    IccTransform displayTransform(QWidget* const displayingWidget = nullptr);
    IccTransform displayTransform(const IccProfile& displayProfile);
 
    IccTransform displaySoftProofingTransform(const IccProfile& deviceProfile, QWidget* const displayingWidget = nullptr);
    IccTransform displaySoftProofingTransform(const IccProfile& deviceProfile, const IccProfile& displayProfile);
 
    static bool needsPostLoadingManagement(const DImg& img);
 
    IccProfile imageProfile(ICCSettingsContainer::Behavior behavior,
                            const IccProfile& specifiedProfile = IccProfile());
 
    static void transformToSRGB(QImage& qimage, const IccProfile& inputProfile);
 
    static void transformForDisplay(QImage& qimage, const IccProfile& displayProfile1 = displayProfile());
 
protected:
 
    void getTransform(IccTransform& trans, ICCSettingsContainer::Behavior behavior, const IccProfile& specifiedProfile);
    void setIccProfile(const IccProfile& profile);
    ICCSettingsContainer::Behavior safestBestBehavior() const;
 
private:
 
    // Disable
    IccManager(const IccManager&)            = delete;
    IccManager& operator=(const IccManager&) = delete;
 
private:
 
    class Private;
    Private* const d;
};
 
} // namespace Digikam
 
#endif // DIGIKAM_ICC_MANAGER_H