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/* Copyright (c) 2013-2015, Stanislaw Halik <sthalik@misaki.pl>
* Permission to use, copy, modify, and/or distribute this
* software for any purpose with or without fee is hereby granted,
* provided that the above copyright notice and this permission
* notice appear in all copies.
*/
#pragma once
#include <QString>
#include <QWidget>
#include <QFrame>
#include <QIcon>
#ifdef BUILD_api
# include "opentrack-compat/export.hpp"
#else
# include "opentrack-compat/import.hpp"
#endif
#ifndef OPENTRACK_PLUGIN_EXPORT
# ifdef _WIN32
# define OPENTRACK_PLUGIN_LINKAGE __declspec(dllexport)
# else
# define OPENTRACK_PLUGIN_LINKAGE
# endif
# ifndef _MSC_VER
# define OPENTRACK_PLUGIN_EXPORT __attribute__ ((visibility ("default"))) OPENTRACK_PLUGIN_LINKAGE
# else
# define OPENTRACK_PLUGIN_EXPORT OPENTRACK_PLUGIN_LINKAGE
# endif
#endif
enum Axis {
TX = 0, TY, TZ, Yaw, Pitch, Roll
};
namespace plugin_api {
namespace detail {
class OPENTRACK_EXPORT BaseDialog : public QWidget
{
Q_OBJECT
public:
void closeEvent(QCloseEvent *) override { emit closing(); }
signals:
void closing();
};
} // ns
} // ns
#define OPENTRACK_DECLARE_PLUGIN_INTERNAL(ctor_class, ctor_ret_class, metadata_class, dialog_class, dialog_ret_class) \
extern "C" OPENTRACK_PLUGIN_EXPORT ctor_ret_class* GetConstructor() \
{ \
return new ctor_class; \
} \
extern "C" OPENTRACK_PLUGIN_EXPORT Metadata* GetMetadata() \
{ \
return new metadata_class; \
} \
extern "C" OPENTRACK_PLUGIN_EXPORT dialog_ret_class* GetDialog() \
{ \
return new dialog_class; \
}
// implement this in all plugins
// also you must link against "opentrack-api" in CMakeLists.txt to avoid vtable link errors
struct Metadata
{
// plugin name to be displayed in the interface
virtual QString name() = 0;
// plugin icon, you can return an empty QIcon()
virtual QIcon icon() = 0;
// optional destructor
virtual ~Metadata() {}
};
// implement this in filters
struct IFilter
{
// optional destructor
virtual ~IFilter() {}
// perform filtering step.
// you have to take care of dt on your own, try "opentrack-compat/timer.hpp"
virtual void filter(const double *input, double *output) = 0;
// optionally reset the filter when centering
virtual void center() {}
};
struct IFilterDialog : public plugin_api::detail::BaseDialog
{
// optional destructor
virtual ~IFilterDialog() {}
// receive a pointer to the filter from ui thread
virtual void register_filter(IFilter* filter) = 0;
// received filter pointer is about to get deleted
virtual void unregister_filter() = 0;
};
// call once with your chosen class names in the plugin
#define OPENTRACK_DECLARE_FILTER(filter_class, dialog_class, metadata_class) \
OPENTRACK_DECLARE_PLUGIN_INTERNAL(filter_class, IFilter, metadata_class, dialog_class, IFilterDialog)
// implement this in protocols
struct IProtocol
{
// optional destructor
virtual ~IProtocol() {}
// return true if protocol was properly initialized
virtual bool correct() = 0;
// called 250 times a second with XYZ yaw pitch roll pose
// try not to perform intense computation here. if you must, use a thread.
virtual void pose(const double* headpose) = 0;
// return game name or placeholder text
virtual QString game_name() = 0;
};
struct IProtocolDialog : public plugin_api::detail::BaseDialog
{
// optional destructor
virtual ~IProtocolDialog() {}
// receive a pointer to the protocol from ui thread
virtual void register_protocol(IProtocol *protocol) = 0;
// received protocol pointer is about to get deleted
virtual void unregister_protocol() = 0;
};
// call once with your chosen class names in the plugin
#define OPENTRACK_DECLARE_PROTOCOL(protocol_class, dialog_class, metadata_class) \
OPENTRACK_DECLARE_PLUGIN_INTERNAL(protocol_class, IProtocol, metadata_class, dialog_class, IProtocolDialog)
// implement this in trackers
struct ITracker
{
// optional destructor
virtual ~ITracker() {}
// start tracking, and grab a frame to display webcam video in, optionally
virtual void start_tracker(QFrame* frame) = 0;
// return XYZ yaw pitch roll data. don't block here, use a separate thread for computation.
virtual void data(double *data) = 0;
};
struct ITrackerDialog : public plugin_api::detail::BaseDialog
{
// optional destructor
virtual ~ITrackerDialog() {}
// receive a pointer to the tracker from ui thread
virtual void register_tracker(ITracker *tracker) = 0;
// received tracker pointer is about to get deleted
virtual void unregister_tracker() = 0;
};
// call once with your chosen class names in the plugin
#define OPENTRACK_DECLARE_TRACKER(tracker_class, dialog_class, metadata_class) \
OPENTRACK_DECLARE_PLUGIN_INTERNAL(tracker_class, ITracker, metadata_class, dialog_class, ITrackerDialog)
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