src/gtk/dcmemory.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        dcmemory.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Created:     01/02/97
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 #ifdef __GNUG__
  12 #pragma implementation "dcmemory.h"
  13 #endif
  14
  15 #include "wx/dcmemory.h"
  16
  17 //-----------------------------------------------------------------------------
  18 // wxMemoryDC
  19 //-----------------------------------------------------------------------------
  20
  21 IMPLEMENT_DYNAMIC_CLASS(wxMemoryDC,wxPaintDC)
  22
  23 wxMemoryDC::wxMemoryDC(void)
  24 {
  25   m_ok = FALSE;
  26   m_cmap = gdk_colormap_get_system();
  27 }
  28
  29 wxMemoryDC::wxMemoryDC( wxDC *WXUNUSED(dc) )
  30 {
  31   m_ok = FALSE;
  32   m_cmap = gdk_colormap_get_system();
  33 }
  34
  35 wxMemoryDC::~wxMemoryDC(void)
  36 {
  37 }
  38
  39 void wxMemoryDC::SelectObject( const wxBitmap& bitmap )
  40 {
  41   m_selected = bitmap;
  42   if (m_selected.Ok())
  43   {
  44     if (m_selected.GetPixmap())
  45     {
  46       m_window = m_selected.GetPixmap();
  47     }
  48     else
  49     {
  50       m_window = m_selected.GetBitmap();
  51     }
  52
  53     SetUpDC();
  54
  55     m_isDrawable = FALSE;
  56   }
  57   else
  58   {
  59     m_ok = FALSE;
  60     m_window = (GdkWindow *) NULL;
  61   }
  62 }
  63
  64 void wxMemoryDC::GetSize( int *width, int *height ) const
  65 {
  66   if (m_selected.Ok())
  67   {
  68     if (width) (*width) = m_selected.GetWidth();
  69     if (height) (*height) = m_selected.GetHeight();
  70   }
  71   else
  72   {
  73     if (width) (*width) = 0;
  74     if (height) (*height) = 0;
  75   }
  76 }
  77
  78