X-Git-Url: https://git.distorted.org.uk/~mdw/clg/blobdiff_plain/9c7271c1a4c2b676f027dfacc2fe0daca7dd3759..3641c13fe260932ef11bc3c5dc915729fd0b6507:/gdk/alien/glue.c diff --git a/gdk/alien/glue.c b/gdk/alien/glue.c index 48caf6b..cbe14ee 100644 --- a/gdk/alien/glue.c +++ b/gdk/alien/glue.c @@ -1,38 +1,96 @@ -/* Common Lisp bindings for GTK+ v2.0 - * Copyright (C) 1999-2000 Espen S. Johnsen +/* Common Lisp bindings for GTK+ v2.x + * Copyright 1999-2007 Espen S. Johnsen * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. + * Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sublicense, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY + * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ -/* $Id: glue.c,v 1.1 2004-10-27 18:50:25 espen Exp $ */ +/* $Id: glue.c,v 1.9 2008-11-06 17:27:39 espen Exp $ */ #include +#include + +#ifdef GDK_WINDOWING_X11 #include +#elif defined (G_OS_WIN32) +#include +#endif +gint clg_gdk_connection_number (GdkDisplay *display) +{ +#ifdef GDK_WINDOWING_X11 + return ConnectionNumber (GDK_DISPLAY_XDISPLAY (display)); +#else + return -1; +#endif +} -extern Display *gdk_display; -gint gdk_connection_number () +GdkWindow *clg_gdk_cairo_surface_get_window (cairo_surface_t *surface) { - return ConnectionNumber (gdk_display); -} + /* 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 +} -GdkWindow* -gdk_get_root_window () +void clg_gdk_pixbuf_swap_rgb (GdkPixbuf *pixbuf) { - return gdk_window_foreign_new (GDK_ROOT_WINDOW ()); + + 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; + } + } } +