File indexing completed on 2024-05-19 05:31:35

 /*
     SPDX-FileCopyrightText: 2023 Xaver Hugl <xaver.hugl@gmail.com>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 #pragma once
 
 #include "core/colorspace.h"
 #include "kwin_export.h"
 
 #include <QMatrix4x4>
 #include <QString>
 #include <memory>
 #include <optional>
 
 typedef void *cmsHPROFILE;
 
 namespace KWin
 {
 
 class ColorTransformation;
 class ColorLUT3D;
 
 class KWIN_EXPORT IccProfile
 {
 public:
     struct BToATagData
     {
         std::unique_ptr<ColorTransformation> B;
         std::optional<QMatrix4x4> matrix;
         std::unique_ptr<ColorTransformation> M;
         std::unique_ptr<ColorLUT3D> CLut;
         std::unique_ptr<ColorTransformation> A;
     };
 
     explicit IccProfile(cmsHPROFILE handle, const Colorimetry &colorimetry, BToATagData &&bToATag, const std::shared_ptr<ColorTransformation> &vcgt);
     explicit IccProfile(cmsHPROFILE handle, const Colorimetry &colorimetry, const std::shared_ptr<ColorTransformation> &inverseEOTF, const std::shared_ptr<ColorTransformation> &vcgt);
     ~IccProfile();
 
     /**
      * the BToA tag describes a transformation from XYZ with D50 whitepoint
      * to the display color space. May be nullptr!
      */
     const BToATagData *BtToATag() const;
     /**
      * Contains the inverse of the TRC tags. May be nullptr!
      */
     std::shared_ptr<ColorTransformation> inverseEOTF() const;
     /**
      * The VCGT is a non-standard tag that needs to be applied before
      * pixels are sent to the display. May be nullptr!
      */
     std::shared_ptr<ColorTransformation> vcgt() const;
     const Colorimetry &colorimetry() const;
 
     static std::unique_ptr<IccProfile> load(const QString &path);
 
 private:
     cmsHPROFILE const m_handle;
     const Colorimetry m_colorimetry;
     const std::optional<BToATagData> m_bToATag;
     const std::shared_ptr<ColorTransformation> m_inverseEOTF;
     const std::shared_ptr<ColorTransformation> m_vcgt;
 };
 
 }