/usr/include/QtGStreamer/QGlib/wrap.h is in libqtgstreamer-dev 1.2.0-3.
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Copyright (C) 2010 Collabora Ltd. <info@collabora.co.uk>
@author George Kiagiadakis <george.kiagiadakis@collabora.co.uk>
This library is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published
by the Free Software Foundation; either version 2.1 of the License, 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef QGLIB_WRAP_H
#define QGLIB_WRAP_H
#include "global.h"
namespace QGlib {
class RefCountedObject;
class Type;
/*! This function constructs a RefCountedObject that wraps the given \a instance,
* which is of type \a instanceType. It returns a C++ wrapper class that inherits
* RefCountedObject and wraps \a instanceType objects in the best possible way.
*
* This function is provided for implementing bindings that use QtGLib. It is only
* needed if those bindings have some reference counted instance type that is not
* an Object or Interface or ParamSpec (like QGst::MiniObject and QGst::Caps).
* You should \em not otherwise call this function directly.
*/
QTGLIB_EXPORT RefCountedObject *constructWrapper(Type instanceType, void *instance);
template <typename T, typename Enable = void>
struct WrapImpl {};
#define QGLIB_REGISTER_WRAPIMPL_FOR_SUBCLASSES_OF(BaseClass, WrapFunc) \
namespace QGlib { \
template <typename T> \
struct WrapImpl<T, typename boost::enable_if< boost::is_base_of<BaseClass, T> >::type > \
{ \
static inline RefCountedObject *wrap(typename T::CType *object) \
{ \
return WrapFunc(object); \
} \
}; \
} //namespace QGlib
#define QGLIB_REGISTER_INTERFACE(IfaceClass) \
namespace QGlib { \
template <> \
struct WrapImpl<IfaceClass, void> \
{ \
static inline RefCountedObject *wrap(IfaceClass::CType *object) \
{ \
return Private::wrapInterface(GetType<IfaceClass>(), object); \
} \
}; \
} //namespace QGlib
namespace Private {
QTGLIB_EXPORT RefCountedObject *wrapObject(void *gobject);
QTGLIB_EXPORT RefCountedObject *wrapParamSpec(void *param);
QTGLIB_EXPORT RefCountedObject *wrapInterface(Type interfaceType, void *gobject);
} //namespace Private
} //namespace QGlib
#endif // QGLIB_WRAP_H
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