src/dfb/dcmemory.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/dfb/dcmemory.cpp
   3 // Purpose:     wxMemoryDC implementation
   4 // Author:      Vaclav Slavik
   5 // Created:     2006-08-16
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) 2006 REA Elektronik GmbH
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 // ===========================================================================
  12 // declarations
  13 // ===========================================================================
  14
  15 // ---------------------------------------------------------------------------
  16 // headers
  17 // ---------------------------------------------------------------------------
  18
  19 // For compilers that support precompilation, includes "wx.h".
  20 #include "wx/wxprec.h"
  21
  22 #include "wx/dcmemory.h"
  23
  24 #ifndef WX_PRECOMP
  25     #include "wx/bitmap.h"
  26 #endif
  27
  28 #include "wx/dfb/private.h"
  29
  30 // ===========================================================================
  31 // implementation
  32 // ===========================================================================
  33
  34 //-----------------------------------------------------------------------------
  35 // wxMemoryDC
  36 //-----------------------------------------------------------------------------
  37
  38 #warning "FIXME: verify/fix that wxMemoryDC works correctly with mono bitmaps"
  39
  40 IMPLEMENT_DYNAMIC_CLASS(wxMemoryDC, wxDC)
  41
  42 wxMemoryDC::wxMemoryDC( const wxBitmap& bitmap )
  43 {
  44     if ( bitmap.IsOk() )
  45         SelectObject(bitmap);
  46 }
  47
  48 wxMemoryDC::wxMemoryDC(wxDC *WXUNUSED(dc))
  49 {
  50 }
  51
  52 void wxMemoryDC::SelectObject(const wxBitmap& bitmap)
  53 {
  54     m_bmp = bitmap;
  55
  56     if ( !bitmap.Ok() )
  57     {
  58         // select the bitmap out of the DC
  59         m_surface = NULL;
  60         return;
  61     }
  62
  63     // init the DC for drawing to this bitmap
  64     Init(bitmap.GetDirectFBSurface());
  65 }