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/* Pango
* pangowin32-private.hpp: C++ header-only utility code
*
* Copyright (C) 2023 Chun-wei Fan
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __PANGOWIN32_PRIVATE_HPP__
#define __PANGOWIN32_PRIVATE_HPP__
/* We are likely to use items from the following by including this header */
#include "pangowin32-private.h"
struct _PangoWin32DWriteItems
{
IDWriteFactory5 *dwrite_factory5;
IDWriteFactory3 *dwrite_factory3;
IDWriteFactory *dwrite_factory;
IDWriteGdiInterop *gdi_interop;
guint have_idwritefactory5 : 1;
guint have_idwritefactory3 : 1;
};
/* Releases a COM object and clears it */
template <typename com_interface>
inline void pangowin32_release_com_obj (com_interface **curr_obj)
{
if (*curr_obj != NULL)
{
(*curr_obj)->Release ();
*curr_obj = NULL;
}
}
/* Acquires an additional reference, if non-null */
template <typename com_interface>
inline com_interface* pangowin32_acquire_com_obj (com_interface *new_obj)
{
if (new_obj != NULL)
new_obj->AddRef ();
return new_obj;
}
#endif /* __PANGOWIN32_PRIVATE_HPP__ */
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