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// License: Apache 2.0. See LICENSE file in root directory.
// Copyright(c) 2019 Intel Corporation. All Rights Reserved.
#ifndef LIBREALSENSE_RS2_OPTIONS_HPP
#define LIBREALSENSE_RS2_OPTIONS_HPP
#include "rs_types.hpp"
#include "../h/rs_types.h"
#include <memory>
namespace rs2
{
class option_value
{
std::shared_ptr< const rs2_option_value > _value;
public:
explicit option_value( rs2_option_value const * handle )
: _value( handle, rs2_delete_option_value )
{
}
option_value( option_value const & ) = default;
option_value( option_value && ) = default;
option_value() = default;
enum invalid_t { invalid };
option_value( rs2_option option_id, invalid_t )
: _value( new rs2_option_value{ option_id, false, RS2_OPTION_TYPE_COUNT } ) {}
option_value( rs2_option option_id, int64_t as_integer )
: _value( new rs2_option_value{ option_id, true, RS2_OPTION_TYPE_INTEGER } )
{
const_cast< rs2_option_value * >( _value.get() )->as_integer = as_integer;
}
option_value( rs2_option option_id, float as_float )
: _value( new rs2_option_value{ option_id, true, RS2_OPTION_TYPE_FLOAT } )
{
const_cast< rs2_option_value * >( _value.get() )->as_float = as_float;
}
option_value( rs2_option option_id, char const * as_string )
: _value( new rs2_option_value{ option_id, true, RS2_OPTION_TYPE_STRING } )
{
const_cast< rs2_option_value * >( _value.get() )->as_string = as_string;
}
option_value( rs2_option option_id, bool as_boolean )
: _value( new rs2_option_value{ option_id, true, RS2_OPTION_TYPE_BOOLEAN } )
{
const_cast<rs2_option_value *>(_value.get())->as_integer = as_boolean;
}
option_value & operator=( option_value const & ) = default;
option_value & operator=( option_value && ) = default;
rs2_option_value const * operator->() const { return _value.get(); }
operator rs2_option_value const *() const { return _value.get(); }
};
class options_list
{
public:
options_list( options_list const & ) = default;
options_list( options_list && ) = default;
explicit options_list( std::shared_ptr< rs2_options_list > list )
: _list( std::move( list ) )
{
rs2_error * e = nullptr;
_size = rs2_get_options_list_size( _list.get(), &e );
error::handle( e );
}
options_list()
: _list( nullptr )
, _size( 0 )
{
}
option_value operator[]( size_t index ) const
{
rs2_error * e = nullptr;
auto value = rs2_get_option_value_from_list( _list.get(), static_cast< int >( index ), &e );
error::handle( e );
return option_value( value );
}
size_t size() const { return _size; }
option_value front() const { return ( *this )[0]; }
option_value back() const { return ( *this )[size() - 1]; }
class iterator
{
iterator( const options_list & list, size_t index )
: _list( list )
, _index( index )
{
}
public:
option_value operator*() const { return _list[_index]; }
bool operator!=( const iterator & other ) const
{
return other._index != _index || &other._list != &_list;
}
bool operator==( const iterator & other ) const
{
return ! ( *this != other );
}
iterator & operator++()
{
_index++;
return *this;
}
private:
friend options_list;
const options_list & _list;
size_t _index;
};
iterator begin() const { return iterator( *this, 0 ); }
iterator end() const { return iterator( *this, size() ); }
std::shared_ptr< rs2_options_list > get() const { return _list; };
private:
std::shared_ptr< rs2_options_list > _list;
size_t _size;
};
class options_changed_callback : public rs2_options_changed_callback
{
std::function< void( const options_list & ) > _callback;
public:
explicit options_changed_callback( const std::function< void( const options_list & ) > & callback )
: _callback( callback )
{
}
void on_value_changed( rs2_options_list * list ) override
{
std::shared_ptr< rs2_options_list > sptr( list, rs2_delete_options_list );
options_list opt_list( sptr );
_callback( opt_list );
}
void release() override { delete this; }
};
class options
{
public:
/**
* check if particular option is supported
* \param[in] option option id to be checked
* \return true if option is supported
*/
bool supports(rs2_option option) const
{
rs2_error* e = nullptr;
auto res = rs2_supports_option(_options, option, &e);
error::handle(e);
return res > 0;
}
/**
* get option description
* \param[in] option option id to be checked
* \return human-readable option description
*/
const char* get_option_description(rs2_option option) const
{
rs2_error* e = nullptr;
auto res = rs2_get_option_description(_options, option, &e);
error::handle(e);
return res;
}
/**
* get option name
* \param[in] option option id to be checked
* \return human-readable option name
*/
const char* get_option_name(rs2_option option) const
{
rs2_error* e = nullptr;
auto res = rs2_get_option_name(_options, option, &e);
error::handle(e);
return res;
}
/**
* get option value description (in case specific option value hold special meaning)
* \param[in] option option id to be checked
* \param[in] val value of the option
* \return human-readable description of a specific value of an option or null if no special meaning
*/
const char* get_option_value_description(rs2_option option, float val) const
{
rs2_error* e = nullptr;
auto res = rs2_get_option_value_description(_options, option, val, &e);
error::handle(e);
return res;
}
/**
* read option's float value
* \param[in] option option id to be queried
* \return value of the option
*/
float get_option(rs2_option option) const
{
rs2_error* e = nullptr;
auto res = rs2_get_option(_options, option, &e);
error::handle(e);
return res;
}
/**
* read option's value
* \param[in] option_id option id to be queried
* \return option value
*/
option_value get_option_value( rs2_option option_id ) const
{
rs2_error * e = nullptr;
auto value = rs2_get_option_value( _options, option_id, &e );
error::handle( e );
return option_value( value );
}
/**
* retrieve the available range of values of a supported option
* \return option range containing minimum and maximum values, step and default value
*/
option_range get_option_range(rs2_option option) const
{
option_range result;
rs2_error* e = nullptr;
rs2_get_option_range(_options, option,
&result.min, &result.max, &result.step, &result.def, &e);
error::handle(e);
return result;
}
/**
* write new value to the option
* \param[in] option option id to be queried
* \param[in] value new value for the option
*/
void set_option(rs2_option option, float value) const
{
rs2_error* e = nullptr;
rs2_set_option(_options, option, value, &e);
error::handle(e);
}
/**
* write new value to the option
* \param[in] option option id to be queried
* \param[in] value option (id,type,is_valid,new value)
*/
void set_option_value( option_value const & value ) const
{
rs2_error * e = nullptr;
rs2_set_option_value( _options, value, &e );
error::handle( e );
}
/**
* check if particular option is read-only
* \param[in] option option id to be checked
* \return true if option is read-only
*/
bool is_option_read_only(rs2_option option) const
{
rs2_error* e = nullptr;
auto res = rs2_is_option_read_only(_options, option, &e);
error::handle(e);
return res > 0;
}
/**
* sets a callback in case an option in this options container value is updated
* \param[in] callback the callback function
*/
void on_options_changed( std::function< void( const options_list & ) > callback ) const
{
rs2_error * e = nullptr;
rs2_set_options_changed_callback_cpp( _options, new options_changed_callback( callback ), &e );
error::handle( e );
}
std::vector<rs2_option> get_supported_options()
{
std::vector<rs2_option> res;
rs2_error* e = nullptr;
std::shared_ptr< rs2_options_list > options_list( rs2_get_options_list(_options, &e), rs2_delete_options_list);
error::handle( e );
for (auto opt = 0; opt < rs2_get_options_list_size(options_list.get(), &e);opt++)
{
res.push_back(rs2_get_option_from_list(options_list.get(), opt, &e));
}
return res;
};
options_list get_supported_option_values()
{
rs2_error * e = nullptr;
std::shared_ptr< rs2_options_list > sptr(
rs2_get_options_list( _options, &e ),
rs2_delete_options_list );
error::handle( e );
return options_list( sptr );
};
options& operator=(const options& other)
{
_options = other._options;
return *this;
}
// if operator= is ok, this should be ok too
options(const options& other) : _options(other._options) {}
virtual ~options() = default;
protected:
explicit options(rs2_options* o = nullptr) : _options(o)
{
}
template<class T>
options& operator=(const T& dev)
{
_options = (rs2_options*)(dev.get());
return *this;
}
private:
rs2_options* _options;
};
}
#endif // LIBREALSENSE_RS2_OIPTIONS_HPP