void wxBitmap::SetPalette(const wxPalette& palette)
{
wxCHECK_RET( IsOk(), wxT("invalid bitmap") );
wxCHECK_RET( GetDepth() > 1 && GetDepth() <= 8, wxT("cannot set palette for bitmap of this depth") );
AllocExclusive();
wxDELETE(M_BITMAP->m_palette);
if ( !palette.IsOk() ) return;
M_BITMAP->m_palette = new wxPalette(palette);
}
bool wxGLCanvas::Create(wxWindow *parent,
const wxGLAttributes& dispAttrs,
wxWindowID id,
const wxPoint& pos,
const wxSize& size,
long style,
const wxString& name,
const wxPalette& palette)
{
#if wxUSE_PALETTE
wxASSERT_MSG( !palette.IsOk(), wxT("palettes not supported") );
#endif // wxUSE_PALETTE
wxUnusedVar(palette); // Unused when wxDEBUG_LEVEL==0
m_exposed = false;
m_noExpose = true;
m_nativeSizeEvent = true;
#ifdef __WXGTK3__
m_cairoPaintContext = NULL;
m_backgroundStyle = wxBG_STYLE_PAINT;
#endif
if ( !InitVisual(dispAttrs) )
return false;
// watch for the "parent-set" signal on m_wxwindow so we can set colormap
// before m_wxwindow is realized (which will occur before
// wxWindow::Create() returns if parent is already visible)
unsigned sig_id = g_signal_lookup("parent-set", GTK_TYPE_WIDGET);
g_signal_add_emission_hook(sig_id, 0, parent_set_hook, this, NULL);
wxWindow::Create( parent, id, pos, size, style, name );
gtk_widget_set_double_buffered(m_wxwindow, false);
#if WXWIN_COMPATIBILITY_2_8
g_signal_connect(m_wxwindow, "realize", G_CALLBACK(gtk_glwindow_realized_callback), this);
#endif // WXWIN_COMPATIBILITY_2_8
#ifdef __WXGTK3__
g_signal_connect(m_wxwindow, "draw", G_CALLBACK(draw), this);
#else
g_signal_connect(m_wxwindow, "map", G_CALLBACK(gtk_glwindow_map_callback), this);
g_signal_connect(m_wxwindow, "expose_event", G_CALLBACK(gtk_glwindow_expose_callback), this);
#endif
g_signal_connect(m_widget, "size_allocate", G_CALLBACK(gtk_glcanvas_size_callback), this);
#if WXWIN_COMPATIBILITY_2_8
// if our parent window is already visible, we had been realized before we
// connected to the "realize" signal and hence our m_glContext hasn't been
// initialized yet and we have to do it now
if (gtk_widget_get_realized(m_wxwindow))
gtk_glwindow_realized_callback( m_wxwindow, this );
#endif // WXWIN_COMPATIBILITY_2_8
#ifndef __WXGTK3__
if (gtk_widget_get_mapped(m_wxwindow))
gtk_glwindow_map_callback( m_wxwindow, this );
#endif
return true;
}