<IMG SRC="http://mail.nate.com/NateConfirmMgr.php?act=confirm&key=1255053405_xorg@lists.freedesktop.org&from=|PROFILE2|71|71|43|jopong@nate.com" height="0" width="0">I crosscompile xorg-server-1.3.0.0on Powerpc environment.TinyX is working on SDL layer.It use 32bit color depth but alpha color bit do not working..When Crosscompile in tinyX, libxcomposite library include in tinyX. Maybe libXcomposite is not working correctly.<o:p> </o:p>Below code is sample code for transparent Window.This code is do not woring on TinyX server (Kdrive)<o:p> </o:p>/* * transparent window test */<o:p> </o:p>#include <gtk/gtk.h>#include <gdk-pixbuf/gdk-pixbuf.h><o:p> </o:p>static voidmake_desktop_window (GtkWidget *window){ gtk_window_set_type_hint (GTK_WINDOW (window), GDK_WINDOW_TYPE_HINT_DOCK); gtk_window_set_keep_below (GTK_WINDOW (window), TRUE); gtk_window_set_decorated (GTK_WINDOW (window), FALSE); gtk_window_stick (GTK_WINDOW (window));}<o:p> </o:p>static gbooleanwindow_exposed (GtkWidget *widget, GdkEventExpose *event, gpointer user_data){ cairo_t *cr;<o:p> </o:p> g_debug ("rectangle: %dx%d+%d+%d", event->area.width, event->area.height, event->area.x, event->area.y);<o:p> </o:p> cr = gdk_cairo_create (widget->window);<o:p> </o:p> /* Make it transparent */ cairo_set_operator (cr, CAIRO_OPERATOR_CLEAR); gdk_cairo_region (cr, event->region); cairo_fill_preserve (cr);<o:p> </o:p> /* Make it semi-transparent */ cairo_set_source_rgba (cr, 0.0, 0.0, 0.0, 0.5); cairo_set_operator (cr, CAIRO_OPERATOR_OVER); cairo_fill (cr);<o:p> </o:p> cairo_destroy (cr);<o:p> </o:p> return FALSE;}<o:p> </o:p>static voidmake_transparent_window (GtkWidget *window){ GdkScreen *screen; GdkColormap *colormap; screen = gtk_widget_get_screen(window); if (!screen) { g_warning ("failed to get window's screen"); return; } colormap = gdk_screen_get_rgba_colormap(screen); if (!colormap) { g_warning ("failed to get RGBA colormap========"); return; }<o:p> </o:p> gtk_widget_set_colormap (window, colormap); gtk_widget_set_app_paintable (window, TRUE); g_signal_connect (window, "expose-event", G_CALLBACK (window_exposed), NULL);}<o:p> </o:p>static voidbutton_clicked (GtkButton *button, gpointer user_data){ static gint counter = 0; GtkWidget *label = user_data; gchar *str;<o:p> </o:p> str = g_strdup_printf ("?덈뀞?섏떊媛�? %d", ++counter); gtk_label_set_markup (GTK_LABEL (label), str); g_free (str);}<o:p> </o:p>intmain (int argc, char **argv){ GtkWidget *window; GtkWidget *vbox; GtkWidget *label; GtkWidget *button; gtk_init (&argc, &argv); gdk_pixbuf_render_to_drawable_alpha(GDK_PIXBUF_ALPHA_FULL); <o:p> </o:p> window = gtk_window_new (GTK_WINDOW_TOPLEVEL); make_transparent_window (window); if (0) make_desktop_window (window); gtk_widget_show (window);<o:p> </o:p> vbox = gtk_vbox_new (TRUE, 10); gtk_widget_show (vbox); gtk_container_add (GTK_CONTAINER (window), vbox);<o:p> </o:p> label = gtk_label_new (""); gtk_label_set_markup (GTK_LABEL (label), "?덈뀞?섏떊媛�?"); gtk_widget_show (label); gtk_box_pack_start (GTK_BOX (vbox), label, TRUE, TRUE, 10);<o:p> </o:p> button = gtk_button_new_with_label ("Click Here!"); gtk_widget_show (button); gtk_box_pack_start (GTK_BOX (vbox), button, FALSE, FALSE, 10);<o:p> </o:p> g_signal_connect (button, "clicked", G_CALLBACK (button_clicked), label); gtk_main ();<o:p> </o:p> return 0;}<o:p> </o:p>/* Local Variables: mode:c c-file-style:"gnu" indent-tabs-mode:nil End: vim:autoindent:filetype=c:expandtab:shiftwidth=2:softtabstop=2:tabstop=8*/<o:p> </o:p><o:p> </o:p>How to solve this problem ????How to work alpha Window on tinyX?<o:p> </o:p><o:p> </o:p><o:p> </o:p>