canvas/source/directx/dx_winstuff.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifndef INCLUDED_CANVAS_SOURCE_DIRECTX_DX_WINSTUFF_HXX
  21 #define INCLUDED_CANVAS_SOURCE_DIRECTX_DX_WINSTUFF_HXX
  22
  23 #include <algorithm>
  24
  25 #include <boost/shared_ptr.hpp>
  26
  27 #include <basegfx/numeric/ftools.hxx>
  28
  29 #ifdef _WINDOWS_
  30 #error someone else included <windows.h>
  31 #endif
  32
  33 // Enabling Direct3D Debug Information Further more, with registry key
  34 // \\HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Direct3D\D3D9Debugging\\EnableCreationStack
  35 // set to 1, sets a backtrace each time an object is created to the
  36 // following global variable: LPCWSTR CreationCallStack
  37 #if OSL_DEBUG_LEVEL > 0
  38 # define D3D_DEBUG_INFO
  39 #endif
  40
  41 #if defined _MSC_VER
  42 #pragma warning(push,1)
  43 #endif
  44
  45
  46 #define ULONG win32ULONG
  47 #define GradientStyle_RECT win32GradientStyle_RECT
  48 #define Polygon win32Polygon
  49 #undef WB_LEFT
  50 #undef WB_RIGHT
  51
  52 #define WIN32_LEAN_AND_MEAN
  53 #include <windows.h>
  54
  55 #include <d3d9.h>
  56
  57 typedef IDirect3DSurface9 surface_type;
  58
  59
  60 #undef DrawText
  61
  62 #ifdef __MINGW32__
  63 using ::std::max;
  64 using ::std::min;
  65 #endif
  66
  67 #include <gdiplus.h>
  68
  69 #ifdef min
  70 #   undef min
  71 #endif
  72 #ifdef max
  73 #   undef max
  74 #endif
  75
  76 namespace dxcanvas
  77 {
  78     // some shared pointer typedefs to Gdiplus objects
  79     typedef ::boost::shared_ptr< Gdiplus::Graphics >        GraphicsSharedPtr;
  80     typedef ::boost::shared_ptr< Gdiplus::GraphicsPath >    GraphicsPathSharedPtr;
  81     typedef ::boost::shared_ptr< Gdiplus::Bitmap >          BitmapSharedPtr;
  82     typedef ::boost::shared_ptr< Gdiplus::CachedBitmap >    CachedBitmapSharedPtr;
  83     typedef ::boost::shared_ptr< Gdiplus::Font >            FontSharedPtr;
  84     typedef ::boost::shared_ptr< Gdiplus::Brush >           BrushSharedPtr;
  85     typedef ::boost::shared_ptr< Gdiplus::TextureBrush >    TextureBrushSharedPtr;
  86
  87     /** COM object RAII wrapper
  88
  89         This template wraps a Windows COM object, transparently
  90         handling lifetime issues the C++ way (i.e. releasing the
  91         reference when the object is destroyed)
  92      */
  93     template< typename T > class COMReference
  94     {
  95     public:
  96         typedef T Wrappee;
  97
  98         COMReference() :
  99             mp( NULL )
 100         {
 101         }
 102
 103         /** Create from raw pointer
 104
 105             @attention This constructor assumes the interface is
 106             already acquired (unless p is NULL), no additional AddRef
 107             is called here.
 108
 109             This caters e.g. for all DirectX factory methods, which
 110             return the created interfaces pre-acquired, into a raw
 111             pointer. Simply pass the pointer to this class, but don't
 112             call Release manually on it!
 113
 114             @example IDirectDrawSurface* pSurface;
 115             pDD->CreateSurface(&aSurfaceDesc, &pSurface, NULL);
 116             mpSurface = COMReference< IDirectDrawSurface >(pSurface);
 117
 118          */
 119         explicit COMReference( T* p ) :
 120             mp( p )
 121         {
 122         }
 123
 124         COMReference( const COMReference& rNew ) :
 125             mp( NULL )
 126         {
 127             if( rNew.mp == NULL )
 128                 return;
 129
 130             rNew.mp->AddRef(); // do that _before_ assigning the
 131                                // pointer. Just in case...
 132             mp = rNew.mp;
 133         }
 134
 135         COMReference& operator=( const COMReference& rRHS )
 136         {
 137             COMReference aTmp(rRHS);
 138             ::std::swap( mp, aTmp.mp );
 139
 140             return *this;
 141         }
 142
 143         ~COMReference()
 144         {
 145             reset();
 146         }
 147
 148         int reset()
 149         {
 150             int refcount = 0;
 151             if( mp )
 152                 refcount = mp->Release();
 153
 154             mp = NULL;
 155             return refcount;
 156         }
 157
 158         bool        is() const { return mp != NULL; }
 159         T*          get() const { return mp; }
 160         T*          operator->() const { return mp; }
 161         T&          operator*() const { return *mp; }
 162
 163     private:
 164         T*  mp;
 165     };
 166
 167     // get_pointer() enables boost::mem_fn to recognize COMReference
 168     template<class T> inline T * get_pointer(COMReference<T> const& p)
 169     {
 170         return p.get();
 171     }
 172 }
 173
 174 #if defined _MSC_VER
 175 #pragma warning(pop)
 176 #endif
 177
 178 #undef DELETE
 179 #undef GradientStyle_RECT
 180 #undef Polygon
 181
 182 #endif // INCLUDED_CANVAS_SOURCE_DIRECTX_DX_WINSTUFF_HXX
 183
 184 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */