src/dfb/dcmemory.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/dfb/dcmemory.cpp
   3 // Purpose:     wxMemoryDCImpl 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 #ifndef WX_PRECOMP
  23     #include "wx/bitmap.h"
  24 #endif
  25
  26 #include "wx/dcmemory.h"
  27 #include "wx/dfb/dcmemory.h"
  28 #include "wx/dfb/private.h"
  29
  30 // ===========================================================================
  31 // implementation
  32 // ===========================================================================
  33
  34 //-----------------------------------------------------------------------------
  35 // wxMemoryDCImpl
  36 //-----------------------------------------------------------------------------
  37
  38 #warning "FIXME: verify/fix that wxMemoryDCImpl works correctly with mono bitmaps"
  39
  40 IMPLEMENT_ABSTRACT_CLASS(wxMemoryDCImpl, wxDFBDCImpl)
  41
  42 void wxMemoryDCImpl::Init()
  43 {
  44 }
  45
  46 wxMemoryDCImpl::wxMemoryDCImpl(wxMemoryDC *owner)
  47               : wxDFBDCImpl(owner)
  48 {
  49     Init();
  50 }
  51
  52 wxMemoryDCImpl::wxMemoryDCImpl(wxMemoryDC *owner, wxBitmap& bitmap)
  53               : wxDFBDCImpl(owner)
  54 {
  55     Init();
  56     DoSelect(bitmap);
  57 }
  58
  59 wxMemoryDCImpl::wxMemoryDCImpl(wxMemoryDC *owner, wxDC *WXUNUSED(dc))
  60               : wxDFBDCImpl(owner)
  61 {
  62 }
  63
  64 void wxMemoryDCImpl::DoSelect(const wxBitmap& bitmap)
  65 {
  66     m_bmp = bitmap;
  67
  68     if ( !bitmap.Ok() )
  69     {
  70         // select the bitmap out of the DC
  71         m_surface = NULL;
  72         return;
  73     }
  74
  75     // init the DC for drawing to this bitmap
  76     DFBInit(bitmap.GetDirectFBSurface());
  77 }