system.h

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// SPDX-License-Identifier: GPL-2.0-or-later
 * Authors: see git history
 *
 * Copyright (C) 2017 Authors
 * Released under GNU GPL v2+, read the file 'COPYING' for more information.
 */
#ifndef SEEN_COLORS_CMS_SYSTEM_H
#define SEEN_COLORS_CMS_SYSTEM_H
 
#include <cassert>
#include <map>
#include <memory>
#include <string>
#include <vector>
 
#include "preferences.h"
 
using DirPaths = std::vector<std::pair<std::string, bool>>;
 
namespace Inkscape::Colors::CMS {
 
class Profile;
class Transform;
class System
{
private:
    System(System const &) = delete;
    void operator=(System const &) = delete;
 
public:
    // Access the singleton CMS::System object.
    static System &get()
    {
        static System instance;
        return instance;
    }
 
    DirPaths const &getDirectoryPaths();
    void addDirectoryPath(std::string path, bool is_user);
    void clearDirectoryPaths();
 
    std::vector<std::shared_ptr<Profile>> getProfiles() const;
    const std::shared_ptr<Profile> &getProfile(std::string const &name) const;
 
    std::vector<std::shared_ptr<Profile>> getDisplayProfiles() const;
    const std::shared_ptr<Profile> &getDisplayProfile(bool &updated);
    const std::shared_ptr<Transform> &getDisplayTransform();
 
    std::vector<std::shared_ptr<Profile>> getOutputProfiles() const;
 
    void refreshProfiles();
 
    System();
    ~System() = default;
 
    // Used by testing to add profiles when needed
    void addProfile(std::shared_ptr<Profile> profile) { _profiles.emplace_back(profile); }
 
private:
    // List of ICC profiles found on system
    std::vector<std::shared_ptr<Profile>> _profiles;
 
    // Paths to search for icc profiles
    DirPaths _paths;
 
    // We track last display transform settings. If there is a change, we delete create new transform.
    std::shared_ptr<Profile> _display_profile;
    std::shared_ptr<Transform> _display_transform;
    bool _display = false;
    int _display_intent = -1;
 
    Inkscape::PrefObserver _prefs_observer;
};
 
class CmsError : public std::exception
{
public:
    CmsError(std::string &&msg)
        : _msg(msg)
    {}
    char const *what() const noexcept override { return _msg.c_str(); }
 
private:
    std::string _msg;
};
 
} // namespace Inkscape::Colors::CMS
 
#endif // SEEN_COLORS_CMS_SYSTEM_H
 
/*
  Local Variables:
  mode:c++
  c-file-style:"stroustrup"
  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
  indent-tabs-mode:nil
  fill-column:99
  End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :