Esempio n. 1
0
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);
}
Esempio n. 2
0
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;
}