/* Common Lisp bindings for GTK+ v2.x
- * Copyright 1999-2005 Espen S. Johnsen <espen@users.sf.net>
+ * Copyright 1999-2007 Espen S. Johnsen <espen@users.sf.net>
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
-/* $Id: glue.c,v 1.4 2007-04-06 14:25:20 espen Exp $ */
+/* $Id: glue.c,v 1.9 2008-11-06 17:27:39 espen Exp $ */
#include <gdk/gdk.h>
-#include <gdk/gdkx.h>
+#include <gdk-pixbuf/gdk-pixbuf.h>
-struct _GdkDisplayX11
-{
- GdkDisplay parent_instance;
- Display *xdisplay;
-};
+#ifdef GDK_WINDOWING_X11
+#include <gdk/gdkx.h>
+#elif defined (G_OS_WIN32)
+#include <gdk/gdkwin32.h>
+#endif
gint clg_gdk_connection_number (GdkDisplay *display)
{
- return ConnectionNumber (((struct _GdkDisplayX11 *)display)->xdisplay);
+#ifdef GDK_WINDOWING_X11
+ return ConnectionNumber (GDK_DISPLAY_XDISPLAY (display));
+#else
+ return -1;
+#endif
}
-GdkWindow *clg_gdk_cairo_xlib_surface_get_window (cairo_surface_t *surface)
+GdkWindow *clg_gdk_cairo_surface_get_window (cairo_surface_t *surface)
{
- return gdk_window_lookup (cairo_xlib_surface_get_drawable (surface));
+ /* If 'surface_info_key' had been public we would have had a
+ portable way to find the GdkWindow of a Cairo surface. */
+
+#ifdef GDK_WINDOWING_X11
+ g_return_if_fail (cairo_surface_get_type (surface) == CAIRO_SURFACE_TYPE_XLIB);
+
+ Display* display = cairo_xlib_surface_get_display (surface);
+ if (display) {
+ Drawable window = cairo_xlib_surface_get_drawable (surface);
+ if (window)
+ return gdk_window_lookup_for_display (window, display);
+ }
+
+ return NULL;
+#elif defined (G_OS_WIN32)
+ HDC hdc = (HDC)cairo_win32_surface_get_dc (surface);
+ if (hdc)
+ return gdk_window_lookup ((GdkNativeWindow)hdc);
+ else
+ return NULL;
+#else
+ return NULL;
+#endif
}
+
+void clg_gdk_pixbuf_swap_rgb (GdkPixbuf *pixbuf)
+{
+
+ int n_channels = gdk_pixbuf_get_n_channels (pixbuf);
+ guchar *p, *pixels = gdk_pixbuf_get_pixels (pixbuf);
+ int width = gdk_pixbuf_get_width (pixbuf);
+ int height = gdk_pixbuf_get_height (pixbuf);
+ int rowstride = gdk_pixbuf_get_rowstride (pixbuf);
+ int x, y;
+
+ g_assert (gdk_pixbuf_get_bits_per_sample (pixbuf) == 8);
+ g_assert (gdk_pixbuf_get_has_alpha (pixbuf));
+ g_assert (n_channels == 4);
+
+ for (y = 0; y < height; y++) {
+ for (x = 0; x < width; x++) {
+ p = pixels + y * rowstride + x * n_channels;
+ guint tmp = p[0];
+ p[0] = p[2];
+ p[2] = tmp;
+ }
+ }
+}
+