/////////////////////////////////////////////////////////////////////////////
-// Name: dcmemory.cpp
+// Name: src/gtk/dcmemory.cpp
// Purpose:
// Author: Robert Roebling
// RCS-ID: $Id$
// Copyright: (c) 1998 Robert Roebling
-// Licence: wxWindows licence
+// 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 <gdk/gdk.h>
+#include <gtk/gtk.h>
+
//-----------------------------------------------------------------------------
// wxMemoryDC
//-----------------------------------------------------------------------------
IMPLEMENT_DYNAMIC_CLASS(wxMemoryDC,wxWindowDC)
-wxMemoryDC::wxMemoryDC(void) : wxWindowDC()
+void wxMemoryDC::Init()
{
- m_ok = FALSE;
-
- m_cmap = gtk_widget_get_default_colormap();
+ 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 ) );
}
-wxMemoryDC::wxMemoryDC( wxDC *WXUNUSED(dc) )
+wxMemoryDC::wxMemoryDC( wxDC *WXUNUSED(dc) )
: wxWindowDC()
{
- m_ok = FALSE;
-
- m_cmap = gtk_widget_get_default_colormap();
+ Init();
}
-wxMemoryDC::~wxMemoryDC(void)
+wxMemoryDC::~wxMemoryDC()
{
+ g_object_unref(m_context);
}
-void wxMemoryDC::SelectObject( const wxBitmap& bitmap )
+void wxMemoryDC::DoSelect( const wxBitmap& bitmap )
{
- m_selected = bitmap;
- if (m_selected.Ok())
- {
- if (m_selected.GetPixmap())
+ Destroy();
+
+ m_selected = bitmap;
+ if (m_selected.Ok())
{
- m_window = m_selected.GetPixmap();
+ m_window = m_selected.GetPixmap();
+
+ m_selected.PurgeOtherRepresentations(wxBitmap::Pixmap);
+
+ m_isMemDC = true;
+
+ SetUpDC();
}
else
{
- m_window = m_selected.GetBitmap();
+ m_ok = false;
+ m_window = (GdkWindow *) NULL;
}
-
- SetUpDC();
-
- m_isMemDC = TRUE;
- }
- else
- {
- m_ok = FALSE;
- m_window = (GdkWindow *) NULL;
- }
}
-void wxMemoryDC::GetSize( int *width, int *height ) const
+void wxMemoryDC::SetPen( const wxPen& penOrig )
{
- 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;
- }
+ wxPen pen( penOrig );
+ if ( m_selected.Ok() &&
+ m_selected.GetDepth() == 1 &&
+ (pen != *wxTRANSPARENT_PEN) )
+ {
+ pen.SetColour( pen.GetColour() == *wxWHITE ? *wxBLACK : *wxWHITE );
+ }
+
+ wxWindowDC::SetPen( pen );
}
+void wxMemoryDC::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);
+ }
+
+ wxWindowDC::SetBrush( brush );
+}
+void wxMemoryDC::SetBackground( const wxBrush& brushOrig )
+{
+ wxBrush brush(brushOrig);
+
+ if ( m_selected.Ok() &&
+ m_selected.GetDepth() == 1 &&
+ (brush != *wxTRANSPARENT_BRUSH) )
+ {
+ brush.SetColour( brush.GetColour() == *wxWHITE ? *wxBLACK : *wxWHITE );
+ }
+
+ wxWindowDC::SetBackground( brush );
+}
+
+void wxMemoryDC::SetTextForeground( const wxColour& col )
+{
+ if ( m_selected.Ok() && m_selected.GetDepth() == 1 )
+ {
+ wxWindowDC::SetTextForeground( col == *wxWHITE ? *wxBLACK : *wxWHITE);
+ }
+ else
+ {
+ wxWindowDC::SetTextForeground( col );
+ }
+}
+
+void wxMemoryDC::SetTextBackground( const wxColour &col )
+{
+ if (m_selected.Ok() && m_selected.GetDepth() == 1)
+ {
+ wxWindowDC::SetTextBackground( col == *wxWHITE ? *wxBLACK : *wxWHITE );
+ }
+ else
+ {
+ wxWindowDC::SetTextBackground( col );
+ }
+}
+
+void wxMemoryDC::DoGetSize( int *width, int *height ) 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;
+ }
+}