src/dfb/dcclient.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/dfb/dcclient.cpp
   3 // Purpose:     wxWindowDC, wxClientDC and wxPaintDC
   4 // Author:      Vaclav Slavik
   5 // Created:     2006-08-10
   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 #ifdef __BORLANDC__
  23     #pragma hdrstop
  24 #endif
  25
  26 #include "wx/dcclient.h"
  27
  28 #ifndef WX_PRECOMP
  29     #include "wx/window.h"
  30 #endif
  31
  32 #include "wx/dfb/private.h"
  33
  34 // ===========================================================================
  35 // implementation
  36 // ===========================================================================
  37
  38 //-----------------------------------------------------------------------------
  39 // wxWindowDC
  40 //-----------------------------------------------------------------------------
  41
  42 IMPLEMENT_DYNAMIC_CLASS(wxWindowDC, wxDC)
  43
  44 wxWindowDC::wxWindowDC(wxWindow *win)
  45     : wxDC(win ? win->GetDfbSurface() : NULL)
  46 {
  47     InitForWin(win);
  48 }
  49
  50 void wxWindowDC::InitForWin(wxWindow *win)
  51 {
  52     wxCHECK_RET( win, _T("invalid window") );
  53
  54     SetFont(win->GetFont());
  55 }
  56
  57 //-----------------------------------------------------------------------------
  58 // base class for wxClientDC and wxPaintDC
  59 //-----------------------------------------------------------------------------
  60
  61 wxClientDCBase::wxClientDCBase(wxWindow *win)
  62 {
  63     wxCHECK_RET( win, _T("invalid window") );
  64
  65     wxRect rect = win->GetClientRect();
  66     DFBRectangle dfbrect = { rect.x, rect.y, rect.width, rect.height };
  67
  68     IDirectFBSurfacePtr winsurf(win->GetDfbSurface());
  69     IDirectFBSurfacePtr subsurf;
  70     if ( !DFB_CALL( winsurf->GetSubSurface(winsurf, &dfbrect, &subsurf) ) )
  71         return;
  72
  73     Init(subsurf);
  74     InitForWin(win);
  75
  76     // offset coordinates to account for subsurface's origin coordinates:
  77     SetDeviceOrigin(rect.x, rect.y);
  78 }
  79
  80 //-----------------------------------------------------------------------------
  81 // wxClientDC
  82 //-----------------------------------------------------------------------------
  83
  84 IMPLEMENT_DYNAMIC_CLASS(wxClientDC, wxWindowDC)
  85
  86 wxClientDC::~wxClientDC()
  87 {
  88     // flip to surface so that the changes become visible
  89     IDirectFBSurfacePtr surface(GetDirectFBSurface());
  90     if ( surface )
  91         surface->Flip(surface, NULL, DSFLIP_NONE);
  92 }
  93
  94 //-----------------------------------------------------------------------------
  95 // wxPaintDC
  96 //-----------------------------------------------------------------------------
  97
  98 IMPLEMENT_DYNAMIC_CLASS(wxPaintDC, wxWindowDC)
  99
 100 #warning "wxPaintDC ctor must respect m_updateRegion"
 101
 102 wxPaintDC::~wxPaintDC()
 103 {
 104     // NB: do *not* flip the surface: wxPaintDC is used with EVT_PAINT and the
 105     //     surface will be flipped for the entire TLW once all children are
 106     //     repainted
 107 }