add cairo

1 files changed, 142 insertions, 0 deletions

diff --git a/libs/cairo-1.16.0/src/cairo-rtree-private.h b/libs/cairo-1.16.0/src/cairo-rtree-private.h
new file mode 100644
index 0000000..27806ca
--- /dev/null
+++ b/libs/cairo-1.16.0/src/cairo-rtree-private.h
@@ -0,0 +1,142 @@
+/* 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., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, 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 Chris Wilson.
+ *
+ * Contributor(s):
+ *      Chris Wilson <chris@chris-wilson.co.uk>
+ *
+ */
+
+#ifndef CAIRO_RTREE_PRIVATE_H
+#define CAIRO_RTREE_PRIVATE_H
+
+#include "cairo-compiler-private.h"
+#include "cairo-error-private.h"
+#include "cairo-types-private.h"
+
+#include "cairo-freelist-private.h"
+#include "cairo-list-inline.h"
+
+enum {
+    CAIRO_RTREE_NODE_AVAILABLE,
+    CAIRO_RTREE_NODE_DIVIDED,
+    CAIRO_RTREE_NODE_OCCUPIED,
+};
+
+typedef struct _cairo_rtree_node {
+    struct _cairo_rtree_node *children[4], *parent;
+    cairo_list_t link;
+    uint16_t pinned;
+    uint16_t state;
+    uint16_t x, y;
+    uint16_t width, height;
+} cairo_rtree_node_t;
+
+typedef struct _cairo_rtree {
+    cairo_rtree_node_t root;
+    int min_size;
+    cairo_list_t pinned;
+    cairo_list_t available;
+    cairo_list_t evictable;
+    void (*destroy) (cairo_rtree_node_t *);
+    cairo_freepool_t node_freepool;
+} cairo_rtree_t;
+
+cairo_private cairo_rtree_node_t *
+_cairo_rtree_node_create (cairo_rtree_t		 *rtree,
+		          cairo_rtree_node_t	 *parent,
+			  int			  x,
+			  int			  y,
+			  int			  width,
+			  int			  height);
+
+cairo_private cairo_status_t
+_cairo_rtree_node_insert (cairo_rtree_t *rtree,
+	                  cairo_rtree_node_t *node,
+			  int width,
+			  int height,
+			  cairo_rtree_node_t **out);
+
+cairo_private void
+_cairo_rtree_node_collapse (cairo_rtree_t *rtree, cairo_rtree_node_t *node);
+
+cairo_private void
+_cairo_rtree_node_remove (cairo_rtree_t *rtree, cairo_rtree_node_t *node);
+
+cairo_private void
+_cairo_rtree_node_destroy (cairo_rtree_t *rtree, cairo_rtree_node_t *node);
+
+cairo_private void
+_cairo_rtree_init (cairo_rtree_t	*rtree,
+	           int			 width,
+		   int			 height,
+		   int			 min_size,
+		   int			 node_size,
+		   void (*destroy)(cairo_rtree_node_t *));
+
+cairo_private cairo_int_status_t
+_cairo_rtree_insert (cairo_rtree_t	     *rtree,
+		     int		      width,
+	             int		      height,
+	             cairo_rtree_node_t	    **out);
+
+cairo_private cairo_int_status_t
+_cairo_rtree_evict_random (cairo_rtree_t	 *rtree,
+		           int			  width,
+		           int			  height,
+		           cairo_rtree_node_t	**out);
+
+cairo_private void
+_cairo_rtree_foreach (cairo_rtree_t *rtree,
+		      void (*func)(cairo_rtree_node_t *, void *data),
+		      void *data);
+
+static inline void *
+_cairo_rtree_pin (cairo_rtree_t *rtree, cairo_rtree_node_t *node)
+{
+    assert (node->state == CAIRO_RTREE_NODE_OCCUPIED);
+    if (! node->pinned) {
+	cairo_list_move (&node->link, &rtree->pinned);
+	node->pinned = 1;
+    }
+
+    return node;
+}
+
+cairo_private void
+_cairo_rtree_unpin (cairo_rtree_t *rtree);
+
+cairo_private void
+_cairo_rtree_reset (cairo_rtree_t *rtree);
+
+cairo_private void
+_cairo_rtree_fini (cairo_rtree_t *rtree);
+
+#endif /* CAIRO_RTREE_PRIVATE_H */