Introduce cairo_tee_surface_t

Add a new surface type that multiplies it input onto several output
surfaces. The only limitation is that it requires a master surface that is
used whenever we need to query surface options, such as font options and
extents.

1 files changed, 47 insertions, 0 deletions

diff --git a/src/cairo-tee-surface-private.h b/src/cairo-tee-surface-private.h
new file mode 100644
index 00000000..258816b5
--- /dev/null
+++ b/src/cairo-tee-surface-private.h
@@ -0,0 +1,47 @@
+/* cairo - a vector graphics library with display and print output
+ *
+ * Copyright © 2009 Chris Wilson
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it either under the terms of the GNU Lesser General Public
+ * License version 2.1 as published by the Free Software Foundation
+ * (the "LGPL") or, at your option, under the terms of the Mozilla
+ * Public License Version 1.1 (the "MPL"). If you do not alter this
+ * notice, a recipient may use your version of this file under either
+ * the MPL or the LGPL.
+ *
+ * You should have received a copy of the LGPL along with this library
+ * in the file COPYING-LGPL-2.1; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * You should have received a copy of the MPL along with this library
+ * in the file COPYING-MPL-1.1
+ *
+ * The contents of this file are subject to the Mozilla Public License
+ * Version 1.1 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
+ * OF ANY KIND, either express or implied. See the LGPL or the MPL for
+ * the specific language governing rights and limitations.
+ *
+ * The Original Code is the cairo graphics library.
+ *
+ * The Initial Developer of the Original Code is University of Southern
+ * California.
+ *
+ * Contributor(s):
+ *	Chris Wilson <chris@chris-wilson.co.uk>
+ */
+
+#ifndef CAIRO_TEE_SURFACE_PRIVATE_H
+#define CAIRO_TEE_SURFACE_PRIVATE_H
+
+#include "cairoint.h"
+
+cairo_private cairo_surface_t *
+_cairo_tee_surface_find_match (void *abstract_surface,
+			       const cairo_surface_backend_t *backend,
+			       cairo_content_t content);
+
+#endif /* CAIRO_TEE_SURFACE_PRIVATE_H */