/////////////////////////////////////////////////////////////////////////////
-// Name: dcmemory.cpp
+// Name: src/gtk/dcmemory.cpp
// Purpose:
// Author: Robert Roebling
-// Created: 01/02/97
-// Id:
-// Copyright: (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
-// Licence: wxWindows licence
+// RCS-ID: $Id$
+// Copyright: (c) 1998 Robert Roebling
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
-#pragma implementation "dcmemory.h"
-#endif
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
#include "wx/dcmemory.h"
+#include "wx/gtk/dcmemory.h"
+
+#include <gdk/gdk.h>
+#include <gtk/gtk.h>
//-----------------------------------------------------------------------------
-// wxMemoryDC
+// wxMemoryDCImpl
//-----------------------------------------------------------------------------
-IMPLEMENT_DYNAMIC_CLASS(wxMemoryDC,wxPaintDC)
+IMPLEMENT_ABSTRACT_CLASS(wxMemoryDCImpl, wxWindowDCImpl)
+
+wxMemoryDCImpl::wxMemoryDCImpl( wxMemoryDC *owner )
+ : wxWindowDCImpl( owner )
+{
+ Init();
+}
+
+wxMemoryDCImpl::wxMemoryDCImpl( wxMemoryDC *owner, wxBitmap& bitmap)
+ : wxWindowDCImpl( owner )
+{
+ Init();
+ DoSelect(bitmap);
+}
+
+wxMemoryDCImpl::wxMemoryDCImpl( wxMemoryDC *owner, wxDC *WXUNUSED(dc) )
+ : wxWindowDCImpl( owner )
+{
+ Init();
+}
+
+wxMemoryDCImpl::~wxMemoryDCImpl()
+{
+ g_object_unref(m_context);
+}
+
+void wxMemoryDCImpl::Init()
+{
+ m_ok = false;
+
+ m_cmap = gtk_widget_get_default_colormap();
+
+ m_context = gdk_pango_context_get();
+ // Note: The Sun customised version of Pango shipping with Solaris 10
+ // crashes if the language is left NULL (see bug 1374114)
+ pango_context_set_language( m_context, gtk_get_default_language() );
+ m_layout = pango_layout_new( m_context );
+ m_fontdesc = pango_font_description_copy( pango_context_get_font_description( m_context ) );
+}
+
+void wxMemoryDCImpl::DoSelect( const wxBitmap& bitmap )
+{
+ Destroy();
+
+ m_selected = bitmap;
+ if (m_selected.Ok())
+ {
+ m_gdkwindow = m_selected.GetPixmap();
-wxMemoryDC::wxMemoryDC(void)
+ m_selected.PurgeOtherRepresentations(wxBitmap::Pixmap);
+
+ SetUpDC( true );
+ }
+ else
+ {
+ m_ok = false;
+ m_gdkwindow = NULL;
+ }
+}
+
+void wxMemoryDCImpl::SetPen( const wxPen& penOrig )
+{
+ wxPen pen( penOrig );
+ if ( m_selected.Ok() &&
+ m_selected.GetDepth() == 1 &&
+ (pen != *wxTRANSPARENT_PEN) )
+ {
+ pen.SetColour( pen.GetColour() == *wxWHITE ? *wxBLACK : *wxWHITE );
+ }
+
+ wxWindowDCImpl::SetPen( pen );
+}
+
+void wxMemoryDCImpl::SetBrush( const wxBrush& brushOrig )
+{
+ wxBrush brush( brushOrig );
+ if ( m_selected.Ok() &&
+ m_selected.GetDepth() == 1 &&
+ (brush != *wxTRANSPARENT_BRUSH) )
+ {
+ brush.SetColour( brush.GetColour() == *wxWHITE ? *wxBLACK : *wxWHITE);
+ }
+
+ wxWindowDCImpl::SetBrush( brush );
+}
+
+void wxMemoryDCImpl::SetBackground( const wxBrush& brushOrig )
{
- m_ok = FALSE;
- m_cmap = gdk_colormap_get_system();
-};
+ wxBrush brush(brushOrig);
+
+ if ( m_selected.Ok() &&
+ m_selected.GetDepth() == 1 &&
+ (brush != *wxTRANSPARENT_BRUSH) )
+ {
+ brush.SetColour( brush.GetColour() == *wxWHITE ? *wxBLACK : *wxWHITE );
+ }
-wxMemoryDC::wxMemoryDC( wxDC *WXUNUSED(dc) )
+ wxWindowDCImpl::SetBackground( brush );
+}
+
+void wxMemoryDCImpl::SetTextForeground( const wxColour& col )
{
- m_ok = FALSE;
- m_cmap = gdk_colormap_get_system();
-};
+ if ( m_selected.Ok() && m_selected.GetDepth() == 1 )
+ wxWindowDCImpl::SetTextForeground( col == *wxWHITE ? *wxBLACK : *wxWHITE);
+ else
+ wxWindowDCImpl::SetTextForeground( col );
+}
-wxMemoryDC::~wxMemoryDC(void)
+void wxMemoryDCImpl::SetTextBackground( const wxColour &col )
{
-};
+ if (m_selected.Ok() && m_selected.GetDepth() == 1)
+ wxWindowDCImpl::SetTextBackground( col == *wxWHITE ? *wxBLACK : *wxWHITE );
+ else
+ wxWindowDCImpl::SetTextBackground( col );
+}
-void wxMemoryDC::SelectObject( const wxBitmap& bitmap )
+void wxMemoryDCImpl::DoGetSize( int *width, int *height ) const
{
- m_selected = bitmap;
- if (m_selected.Ok())
- {
- m_window = m_selected.GetPixmap();
- SetUpDC();
- }
- else
- {
- m_ok = FALSE;
- m_window = NULL;
- };
-};
-
-void wxMemoryDC::GetSize( int *width, int *height )
+ if (m_selected.Ok())
+ {
+ if (width) (*width) = m_selected.GetWidth();
+ if (height) (*height) = m_selected.GetHeight();
+ }
+ else
+ {
+ if (width) (*width) = 0;
+ if (height) (*height) = 0;
+ }
+}
+
+wxBitmap wxMemoryDCImpl::DoGetAsBitmap(const wxRect *subrect) const
{
- if (m_selected.Ok())
- {
- if (width) (*width) = m_selected.GetWidth();
- if (height) (*height) = m_selected.GetHeight();
- }
- else
- {
- if (width) (*width) = 0;
- if (height) (*height) = 0;
- };
-};
+ wxBitmap bmp = GetSelectedBitmap();
+ return subrect ? bmp.GetSubBitmap(*subrect) : bmp;
+}
+const wxBitmap& wxMemoryDCImpl::GetSelectedBitmap() const
+{
+ return m_selected;
+}
+
+wxBitmap& wxMemoryDCImpl::GetSelectedBitmap()
+{
+ return m_selected;
+}