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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#ifndef INCLUDED_CANVAS_SOURCE_DIRECTX_DX_WINSTUFF_HXX
#define INCLUDED_CANVAS_SOURCE_DIRECTX_DX_WINSTUFF_HXX
#include <algorithm>
#include <memory>
#include <basegfx/numeric/ftools.hxx>
#define WIN32_LEAN_AND_MEAN
#include <prewin.h>
// Enabling Direct3D Debug Information Further more, with registry key
// \\HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Direct3D\D3D9Debugging\\EnableCreationStack
// set to 1, sets a backtrace each time an object is created to the
// following global variable: LPCWSTR CreationCallStack
#if OSL_DEBUG_LEVEL > 0
# define D3D_DEBUG_INFO
#endif
#include <d3d9.h>
typedef IDirect3DSurface9 surface_type;
#ifndef max
#define max(a,b) (((a) > (b)) ? (a) : (b))
#endif
#ifndef min
#define min(a,b) (((a) < (b)) ? (a) : (b))
#endif
#include <gdiplus.h>
#undef max
#undef min
namespace dxcanvas
{
// some shared pointer typedefs to Gdiplus objects
typedef std::shared_ptr< Gdiplus::Graphics > GraphicsSharedPtr;
typedef std::shared_ptr< Gdiplus::GraphicsPath > GraphicsPathSharedPtr;
typedef std::shared_ptr< Gdiplus::Bitmap > BitmapSharedPtr;
typedef std::shared_ptr< Gdiplus::Font > FontSharedPtr;
typedef std::shared_ptr< Gdiplus::TextureBrush > TextureBrushSharedPtr;
/** COM object RAII wrapper
This template wraps a Windows COM object, transparently
handling lifetime issues the C++ way (i.e. releasing the
reference when the object is destroyed)
*/
template< typename T > class COMReference
{
public:
typedef T Wrappee;
COMReference() :
mp( nullptr )
{
}
/** Create from raw pointer
@attention This constructor assumes the interface is
already acquired (unless p is NULL), no additional AddRef
is called here.
This caters e.g. for all DirectX factory methods, which
return the created interfaces pre-acquired, into a raw
pointer. Simply pass the pointer to this class, but don't
call Release manually on it!
@example IDirectDrawSurface* pSurface;
pDD->CreateSurface(&aSurfaceDesc, &pSurface, NULL);
mpSurface = COMReference< IDirectDrawSurface >(pSurface);
*/
explicit COMReference( T* p ) :
mp( p )
{
}
COMReference( const COMReference& rNew ) :
mp( nullptr )
{
if( rNew.mp == nullptr )
return;
rNew.mp->AddRef(); // do that _before_ assigning the
// pointer. Just in case...
mp = rNew.mp;
}
COMReference& operator=( const COMReference& rRHS )
{
COMReference aTmp(rRHS);
std::swap( mp, aTmp.mp );
return *this;
}
~COMReference()
{
reset();
}
int reset()
{
int refcount = 0;
if( mp )
refcount = mp->Release();
mp = nullptr;
return refcount;
}
bool is() const { return mp != nullptr; }
T* get() const { return mp; }
T* operator->() const { return mp; }
T& operator*() const { return *mp; }
private:
T* mp;
};
}
#include <postwin.h>
#endif // INCLUDED_CANVAS_SOURCE_DIRECTX_DX_WINSTUFF_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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