src/dfb/wrapdfb.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/dfb/wrapdfb.cpp
   3 // Purpose:     wx wrappers for DirectFB interfaces
   4 // Author:      Vaclav Slavik
   5 // Created:     2006-09-04
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) 2006 REA Elektronik GmbH
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 // For compilers that support precompilation, includes "wx.h".
  12 #include "wx/wxprec.h"
  13
  14 #ifdef __BORLANDC__
  15     #pragma hdrstop
  16 #endif
  17
  18 #include "wx/dfb/wrapdfb.h"
  19
  20 //-----------------------------------------------------------------------------
  21 // wxDfbCheckReturn
  22 //-----------------------------------------------------------------------------
  23
  24 bool wxDfbCheckReturn(DFBResult code)
  25 {
  26     switch ( code )
  27     {
  28         case DFB_OK:
  29             return true;
  30
  31         // these are programming errors, assert:
  32         #define DFB_ASSERT(code)                                        \
  33             case code:                                                  \
  34                 wxFAIL_MSG( _T("DirectFB error: ") _T(#code) );         \
  35                 return false                                            \
  36
  37         DFB_ASSERT(DFB_DEAD);
  38         DFB_ASSERT(DFB_UNSUPPORTED);
  39         DFB_ASSERT(DFB_UNIMPLEMENTED);
  40         DFB_ASSERT(DFB_INVARG);
  41         DFB_ASSERT(DFB_NOIMPL);
  42         DFB_ASSERT(DFB_MISSINGFONT);
  43         DFB_ASSERT(DFB_THIZNULL);
  44         DFB_ASSERT(DFB_INVAREA);
  45         DFB_ASSERT(DFB_DESTROYED);
  46         DFB_ASSERT(DFB_NOSUCHMETHOD);
  47         DFB_ASSERT(DFB_NOSUCHINSTANCE);
  48         DFB_ASSERT(DFB_VERSIONMISMATCH);
  49
  50         #undef  DFB_ASSERT
  51
  52         // these are not errors, but valid return codes:
  53         case DFB_INTERRUPTED:
  54         case DFB_BUFFEREMPTY:
  55             return true;
  56
  57         default:
  58             // FIXME: should handle the errors individually
  59             wxLogError(_("DirectFB error %d occured."), (int)code);
  60             return false;
  61     }
  62 }
  63
  64 //-----------------------------------------------------------------------------
  65 // wxDfbPtrBase
  66 //-----------------------------------------------------------------------------
  67
  68 /* static */
  69 void wxDfbPtrBase::DoAddRef(wxDfbWrapperBase *ptr)
  70 {
  71     ptr->AddRef();
  72 }
  73
  74 void wxDfbPtrBase::DoRelease(wxDfbWrapperBase *ptr)
  75 {
  76     ptr->Release();
  77 }
  78
  79 //-----------------------------------------------------------------------------
  80 // wxIDirectFB
  81 //-----------------------------------------------------------------------------
  82
  83 wxIDirectFBPtr wxIDirectFB::ms_ptr;
  84
  85 /* static */
  86 void wxIDirectFB::CreateDirectFB()
  87 {
  88     IDirectFB *dfb;
  89     if ( wxDfbCheckReturn(DirectFBCreate(&dfb)) )
  90         ms_ptr = new wxIDirectFB(dfb);
  91 }
  92
  93 /* static */
  94 void wxIDirectFB::CleanUp()
  95 {
  96     ms_ptr.Reset();
  97 }