/////////////////////////////////////////////////////////////////////////////
-// Name: dcmemory.cpp
+// Name: src/gtk/dcmemory.cpp
// Purpose:
// Author: Robert Roebling
// RCS-ID: $Id$
// 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,wxWindowDC)
+IMPLEMENT_ABSTRACT_CLASS(wxMemoryDCImpl, wxWindowDCImpl)
-wxMemoryDC::wxMemoryDC() : wxWindowDC()
+wxMemoryDCImpl::wxMemoryDCImpl( wxMemoryDC *owner )
+ : wxWindowDCImpl( owner )
{
- m_ok = FALSE;
+ Init();
+}
- m_cmap = gtk_widget_get_default_colormap();
+wxMemoryDCImpl::wxMemoryDCImpl( wxMemoryDC *owner, wxBitmap& bitmap)
+ : wxWindowDCImpl( owner )
+{
+ Init();
+ DoSelect(bitmap);
}
-wxMemoryDC::wxMemoryDC( wxDC *WXUNUSED(dc) )
- : wxWindowDC()
+wxMemoryDCImpl::wxMemoryDCImpl( wxMemoryDC *owner, wxDC *WXUNUSED(dc) )
+ : wxWindowDCImpl( owner )
{
- m_ok = FALSE;
+ Init();
+}
- m_cmap = gtk_widget_get_default_colormap();
+wxMemoryDCImpl::~wxMemoryDCImpl()
+{
+ g_object_unref(m_context);
}
-wxMemoryDC::~wxMemoryDC()
+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 wxMemoryDC::SelectObject( const wxBitmap& bitmap )
+void wxMemoryDCImpl::DoSelect( const wxBitmap& bitmap )
{
Destroy();
+
m_selected = bitmap;
if (m_selected.Ok())
{
- if (m_selected.GetPixmap())
- {
- m_window = m_selected.GetPixmap();
- }
- else
- {
- m_window = m_selected.GetBitmap();
- }
-
- m_isMemDC = TRUE;
-
- SetUpDC();
+ m_gdkwindow = m_selected.GetPixmap();
+
+ m_selected.PurgeOtherRepresentations(wxBitmap::Pixmap);
+
+ SetUpDC( true );
}
else
{
- m_ok = FALSE;
- m_window = (GdkWindow *) NULL;
+ m_ok = false;
+ m_gdkwindow = NULL;
}
}
-void wxMemoryDC::SetPen( const wxPen &pen )
+void wxMemoryDCImpl::SetPen( const wxPen& penOrig )
{
- if (m_selected.Ok() && m_selected.GetBitmap() && (*wxTRANSPARENT_PEN != pen))
- {
- if (*wxWHITE_PEN == pen)
- wxWindowDC::SetPen( *wxBLACK_PEN );
- else
- wxWindowDC::SetPen( *wxWHITE_PEN );
- }
- else
+ wxPen pen( penOrig );
+ if ( m_selected.Ok() &&
+ m_selected.GetDepth() == 1 &&
+ (pen != *wxTRANSPARENT_PEN) )
{
- wxWindowDC::SetPen( pen );
+ pen.SetColour( pen.GetColour() == *wxWHITE ? *wxBLACK : *wxWHITE );
}
+
+ wxWindowDCImpl::SetPen( pen );
}
-void wxMemoryDC::SetBrush( const wxBrush &brush )
+void wxMemoryDCImpl::SetBrush( const wxBrush& brushOrig )
{
- if (m_selected.Ok() && m_selected.GetBitmap() && (*wxTRANSPARENT_BRUSH != brush))
+ wxBrush brush( brushOrig );
+ if ( m_selected.Ok() &&
+ m_selected.GetDepth() == 1 &&
+ (brush != *wxTRANSPARENT_BRUSH) )
{
- if (*wxWHITE_BRUSH == brush)
- wxWindowDC::SetBrush( *wxBLACK_BRUSH );
- else
- wxWindowDC::SetBrush( *wxWHITE_BRUSH );
- }
- else
- {
- wxWindowDC::SetBrush( brush );
+ brush.SetColour( brush.GetColour() == *wxWHITE ? *wxBLACK : *wxWHITE);
}
+
+ wxWindowDCImpl::SetBrush( brush );
}
-void wxMemoryDC::SetTextForeground( const wxColour &col )
+void wxMemoryDCImpl::SetBackground( const wxBrush& brushOrig )
{
- if (m_selected.Ok() && m_selected.GetBitmap())
+ wxBrush brush(brushOrig);
+
+ if ( m_selected.Ok() &&
+ m_selected.GetDepth() == 1 &&
+ (brush != *wxTRANSPARENT_BRUSH) )
{
- if (col == *wxWHITE)
- wxWindowDC::SetTextForeground( *wxBLACK );
- else
- wxWindowDC::SetTextForeground( *wxWHITE );
+ brush.SetColour( brush.GetColour() == *wxWHITE ? *wxBLACK : *wxWHITE );
}
+
+ wxWindowDCImpl::SetBackground( brush );
+}
+
+void wxMemoryDCImpl::SetTextForeground( const wxColour& col )
+{
+ if ( m_selected.Ok() && m_selected.GetDepth() == 1 )
+ wxWindowDCImpl::SetTextForeground( col == *wxWHITE ? *wxBLACK : *wxWHITE);
else
- {
- wxWindowDC::SetTextForeground( col );
- }
+ wxWindowDCImpl::SetTextForeground( col );
}
-void wxMemoryDC::SetTextBackground( const wxColour &col )
+void wxMemoryDCImpl::SetTextBackground( const wxColour &col )
{
- if (m_selected.Ok() && m_selected.GetBitmap())
- {
- if (col == *wxWHITE)
- wxWindowDC::SetTextBackground( *wxBLACK );
- else
- wxWindowDC::SetTextBackground( *wxWHITE );
- }
+ if (m_selected.Ok() && m_selected.GetDepth() == 1)
+ wxWindowDCImpl::SetTextBackground( col == *wxWHITE ? *wxBLACK : *wxWHITE );
else
- {
- wxWindowDC::SetTextBackground( col );
- }
+ wxWindowDCImpl::SetTextBackground( col );
}
-void wxMemoryDC::DoGetSize( int *width, int *height ) const
+void wxMemoryDCImpl::DoGetSize( int *width, int *height ) const
{
if (m_selected.Ok())
{
}
}
+wxBitmap wxMemoryDCImpl::DoGetAsBitmap(const wxRect *subrect) const
+{
+ wxBitmap bmp = GetSelectedBitmap();
+ return subrect ? bmp.GetSubBitmap(*subrect) : bmp;
+}
+
+const wxBitmap& wxMemoryDCImpl::GetSelectedBitmap() const
+{
+ return m_selected;
+}
+
+wxBitmap& wxMemoryDCImpl::GetSelectedBitmap()
+{
+ return m_selected;
+}