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 #ifdef USE_GDK_IMLIB
  18 #include "../gdk_imlib/gdk_imlib.h"
  19 #endif
  20
  21 //-----------------------------------------------------------------------------
  22 // wxMemoryDC
  23 //-----------------------------------------------------------------------------
  24
  25 IMPLEMENT_DYNAMIC_CLASS(wxMemoryDC,wxPaintDC)
  26
  27 wxMemoryDC::wxMemoryDC(void)
  28 {
  29   m_ok = FALSE;
  30
  31 #ifdef USE_GDK_IMLIB
  32   m_cmap = gdk_imlib_get_colormap();
  33 #else
  34   m_cmap = gdk_colormap_get_system();
  35 #endif
  36 }
  37
  38 wxMemoryDC::wxMemoryDC( wxDC *WXUNUSED(dc) )
  39 {
  40   m_ok = FALSE;
  41
  42 #ifdef USE_GDK_IMLIB
  43   m_cmap = gdk_imlib_get_colormap();
  44 #else
  45   m_cmap = gdk_colormap_get_system();
  46 #endif
  47 }
  48
  49 wxMemoryDC::~wxMemoryDC(void)
  50 {
  51 }
  52
  53 void wxMemoryDC::SelectObject( const wxBitmap& bitmap )
  54 {
  55   m_selected = bitmap;
  56   if (m_selected.Ok())
  57   {
  58     if (m_selected.GetPixmap())
  59     {
  60       m_window = m_selected.GetPixmap();
  61     }
  62     else
  63     {
  64       m_window = m_selected.GetBitmap();
  65     }
  66
  67     SetUpDC();
  68
  69     m_isDrawable = FALSE;
  70   }
  71   else
  72   {
  73     m_ok = FALSE;
  74     m_window = (GdkWindow *) NULL;
  75   }
  76 }
  77
  78 void wxMemoryDC::GetSize( int *width, int *height ) const
  79 {
  80   if (m_selected.Ok())
  81   {
  82     if (width) (*width) = m_selected.GetWidth();
  83     if (height) (*height) = m_selected.GetHeight();
  84   }
  85   else
  86   {
  87     if (width) (*width) = 0;
  88     if (height) (*height) = 0;
  89   }
  90 }
  91
  92