src/gtk/dcmemory.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        dcmemory.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // RCS-ID:      $Id$
   6 // Copyright:   (c) 1998 Robert Roebling
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 #ifdef __GNUG__
  11 #pragma implementation "dcmemory.h"
  12 #endif
  13
  14 #include "wx/dcmemory.h"
  15
  16 //-----------------------------------------------------------------------------
  17 // wxMemoryDC
  18 //-----------------------------------------------------------------------------
  19
  20 IMPLEMENT_DYNAMIC_CLASS(wxMemoryDC,wxPaintDC)
  21
  22 wxMemoryDC::wxMemoryDC(void)
  23 {
  24   m_ok = FALSE;
  25
  26   m_cmap = gtk_widget_get_default_colormap();
  27 }
  28
  29 wxMemoryDC::wxMemoryDC( wxDC *WXUNUSED(dc) )
  30 {
  31   m_ok = FALSE;
  32
  33   m_cmap = gtk_widget_get_default_colormap();
  34 }
  35
  36 wxMemoryDC::~wxMemoryDC(void)
  37 {
  38 }
  39
  40 void wxMemoryDC::SelectObject( const wxBitmap& bitmap )
  41 {
  42   m_selected = bitmap;
  43   if (m_selected.Ok())
  44   {
  45     if (m_selected.GetPixmap())
  46     {
  47       m_window = m_selected.GetPixmap();
  48     }
  49     else
  50     {
  51       m_window = m_selected.GetBitmap();
  52     }
  53
  54     SetUpDC();
  55
  56     m_isMemDC = TRUE;
  57   }
  58   else
  59   {
  60     m_ok = FALSE;
  61     m_window = (GdkWindow *) NULL;
  62   }
  63 }
  64
  65 void wxMemoryDC::GetSize( int *width, int *height ) const
  66 {
  67   if (m_selected.Ok())
  68   {
  69     if (width) (*width) = m_selected.GetWidth();
  70     if (height) (*height) = m_selected.GetHeight();
  71   }
  72   else
  73   {
  74     if (width) (*width) = 0;
  75     if (height) (*height) = 0;
  76   }
  77 }
  78
  79