canvas/source/directx/dx_winstuff.hxx

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  27
  28 #ifndef _DXCANVAS_WINSTUFF_HXX
  29 #define _DXCANVAS_WINSTUFF_HXX
  30
  31 #include <algorithm>
  32
  33 #include <boost/shared_ptr.hpp>
  34
  35 #include <basegfx/numeric/ftools.hxx>
  36
  37 #ifdef _WINDOWS_
  38 #error someone else included <windows.h>
  39 #endif
  40
  41 // Enabling Direct3D Debug Information Further more, with registry key
  42 // \\HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Direct3D\D3D9Debugging\\EnableCreationStack
  43 // set to 1, sets a backtrace each time an object is created to the
  44 // following global variable: LPCWSTR CreationCallStack
  45 #if OSL_DEBUG_LEVEL > 0
  46 # define D3D_DEBUG_INFO
  47 #endif
  48
  49 #ifndef DIRECTX_VERSION
  50 #error please define for which directx version we should compile
  51 #endif
  52
  53 #if defined _MSC_VER
  54 #pragma warning(push,1)
  55 #endif
  56
  57
  58 #define GradientStyle_RECT win32GradientStyle_RECT
  59 #define Polygon win32Polygon
  60 #define PolyPolygon win32PolyPolygon
  61 #undef WB_LEFT
  62 #undef WB_RIGHT
  63
  64 #define WIN32_LEAN_AND_MEAN
  65 #include <windows.h> // TODO(Q1): extract minimal set of required headers for gdiplus
  66
  67 #if DIRECTX_VERSION < 0x0900
  68
  69     #include <multimon.h>
  70
  71     // Be compatible with directdraw 3.0. Lets see how far this takes us
  72     #define DIRECTDRAW_VERSION 0x0300
  73     #include <ddraw.h>
  74
  75     // Be compatible with direct3d 5.0. Lets see how far this takes us
  76     #define DIRECT3D_VERSION 0x0500
  77     #define D3D_OVERLOADS
  78     #include <d3d.h>
  79
  80     typedef IDirectDrawSurface surface_type;
  81
  82 #else
  83
  84     #include <d3d9.h>
  85     #include <d3dx9.h>
  86 //  #include <dxerr9.h>     #i107614# removing include, it has been changed in the latest sdk fron August2009 from dxerr9.h into dxerr.h
  87
  88     typedef IDirect3DSurface9 surface_type;
  89
  90 #endif
  91
  92 #undef DrawText
  93
  94 #ifdef __MINGW32__
  95 using ::std::max;
  96 using ::std::min;
  97 #endif
  98
  99 #include <gdiplus.h>
 100
 101 #ifdef min
 102 #   undef min
 103 #endif
 104 #ifdef max
 105 #   undef max
 106 #endif
 107
 108 namespace dxcanvas
 109 {
 110     // some shared pointer typedefs to Gdiplus objects
 111     typedef ::boost::shared_ptr< Gdiplus::Graphics >        GraphicsSharedPtr;
 112     typedef ::boost::shared_ptr< Gdiplus::GraphicsPath >    GraphicsPathSharedPtr;
 113     typedef ::boost::shared_ptr< Gdiplus::Bitmap >          BitmapSharedPtr;
 114     typedef ::boost::shared_ptr< Gdiplus::CachedBitmap >    CachedBitmapSharedPtr;
 115     typedef ::boost::shared_ptr< Gdiplus::Font >            FontSharedPtr;
 116     typedef ::boost::shared_ptr< Gdiplus::Brush >           BrushSharedPtr;
 117     typedef ::boost::shared_ptr< Gdiplus::TextureBrush >    TextureBrushSharedPtr;
 118
 119     /** COM object RAII wrapper
 120
 121         This template wraps a Windows COM object, transparently
 122         handling lifetime issues the C++ way (i.e. releasing the
 123         reference when the object is destroyed)
 124      */
 125     template< typename T > class COMReference
 126     {
 127     public:
 128         typedef T Wrappee;
 129
 130         COMReference() :
 131             mp( NULL )
 132         {
 133         }
 134
 135         /** Create from raw pointer
 136
 137             @attention This constructor assumes the interface is
 138             already acquired (unless p is NULL), no additional AddRef
 139             is called here.
 140
 141             This caters e.g. for all DirectX factory methods, which
 142             return the created interfaces pre-acquired, into a raw
 143             pointer. Simply pass the pointer to this class, but don't
 144             call Release manually on it!
 145
 146             @example IDirectDrawSurface* pSurface;
 147             pDD->CreateSurface(&aSurfaceDesc, &pSurface, NULL);
 148             mpSurface = COMReference< IDirectDrawSurface >(pSurface);
 149
 150          */
 151         explicit COMReference( T* p ) :
 152             mp( p )
 153         {
 154         }
 155
 156         COMReference( const COMReference& rNew ) :
 157             mp( NULL )
 158         {
 159             if( rNew.mp == NULL )
 160                 return;
 161
 162             rNew.mp->AddRef(); // do that _before_ assigning the
 163                                // pointer. Just in case...
 164             mp = rNew.mp;
 165         }
 166
 167         COMReference& operator=( const COMReference& rRHS )
 168         {
 169             COMReference aTmp(rRHS);
 170             ::std::swap( mp, aTmp.mp );
 171
 172             return *this;
 173         }
 174
 175         ~COMReference()
 176         {
 177             reset();
 178         }
 179
 180         int reset()
 181         {
 182             int refcount = 0;
 183             if( mp )
 184                 refcount = mp->Release();
 185
 186             mp = NULL;
 187             return refcount;
 188         }
 189
 190         bool        is() const { return mp != NULL; }
 191         T*          get() const { return mp; }
 192         T*          operator->() const { return mp; }
 193         T&          operator*() const { return *mp; }
 194
 195     private:
 196         T*  mp;
 197     };
 198
 199     // get_pointer() enables boost::mem_fn to recognize COMReference
 200     template<class T> inline T * get_pointer(COMReference<T> const& p)
 201     {
 202         return p.get();
 203     }
 204 }
 205
 206 #if defined _MSC_VER
 207 #pragma warning(pop)
 208 #endif
 209
 210 #undef DELETE
 211 #undef PolyPolygon
 212
 213 #endif /* _DXCANVAS_WINSTUFF_HXX */