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 // Copyright:   (c) 2006 REA Elektronik GmbH
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 // ===========================================================================
  11 // declarations
  12 // ===========================================================================
  13
  14 // ---------------------------------------------------------------------------
  15 // headers
  16 // ---------------------------------------------------------------------------
  17
  18 // For compilers that support precompilation, includes "wx.h".
  19 #include "wx/wxprec.h"
  20
  21 #ifndef WX_PRECOMP
  22     #include "wx/bitmap.h"
  23 #endif
  24
  25 #include "wx/dcmemory.h"
  26 #include "wx/dfb/dcmemory.h"
  27 #include "wx/dfb/private.h"
  28
  29 // ===========================================================================
  30 // implementation
  31 // ===========================================================================
  32
  33 //-----------------------------------------------------------------------------
  34 // wxMemoryDCImpl
  35 //-----------------------------------------------------------------------------
  36
  37 #warning "FIXME: verify/fix that wxMemoryDCImpl works correctly with mono bitmaps"
  38
  39 IMPLEMENT_ABSTRACT_CLASS(wxMemoryDCImpl, wxDFBDCImpl)
  40
  41 void wxMemoryDCImpl::Init()
  42 {
  43 }
  44
  45 wxMemoryDCImpl::wxMemoryDCImpl(wxMemoryDC *owner)
  46               : wxDFBDCImpl(owner)
  47 {
  48     Init();
  49 }
  50
  51 wxMemoryDCImpl::wxMemoryDCImpl(wxMemoryDC *owner, wxBitmap& bitmap)
  52               : wxDFBDCImpl(owner)
  53 {
  54     Init();
  55     DoSelect(bitmap);
  56 }
  57
  58 wxMemoryDCImpl::wxMemoryDCImpl(wxMemoryDC *owner, wxDC *WXUNUSED(dc))
  59               : wxDFBDCImpl(owner)
  60 {
  61 }
  62
  63 void wxMemoryDCImpl::DoSelect(const wxBitmap& bitmap)
  64 {
  65     m_bmp = bitmap;
  66
  67     if ( !bitmap.IsOk() )
  68     {
  69         // select the bitmap out of the DC
  70         m_surface = NULL;
  71         return;
  72     }
  73
  74     // init the DC for drawing to this bitmap
  75     DFBInit(bitmap.GetDirectFBSurface());
  76 }