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diff --git a/libdimension/dimension/pattern/patterns.h b/libdimension/dimension/pattern/patterns.h
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+/*************************************************************************
+ * Copyright (C) 2009-2014 Tavian Barnes <tavianator@tavianator.com>     *
+ *                                                                       *
+ * This file is part of The Dimension Library.                           *
+ *                                                                       *
+ * The Dimension 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 3 of the *
+ * License, or (at your option) any later version.                       *
+ *                                                                       *
+ * The Dimension 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.                       *
+ *                                                                       *
+ * You should have received a copy of the GNU Lesser General Public      *
+ * License along with this program.  If not, see                         *
+ * <http://www.gnu.org/licenses/>.                                       *
+ *************************************************************************/
+
+/**
+ * @file
+ * Pre-defined patterns.
+ */
+
+/**
+ * A checker pattern.  The pattern is composed of tesselating unit cubes
+ * alternating between 0 and 1.
+ * @param[in] pool  The memory pool to allocate from.
+ * @return A checker pattern.
+ */
+dmnsn_pattern *dmnsn_new_checker_pattern(dmnsn_pool *pool);
+
+/**
+ * A gradient.  The value starts at 0 at the origin, and goes linearly to 1 in
+ * the direction of \p orientation, then repeats after a distance of 1.
+ * @param[in] pool  The memory pool to allocate from.
+ * @param[in] orientation  The direction of the gradient.
+ * @return A gradient pattern.
+ */
+dmnsn_pattern *dmnsn_new_gradient_pattern(dmnsn_pool *pool, dmnsn_vector orientation);
+
+/**
+ * A leopard pattern.
+ * @param[in] pool  The memory pool to allocate from.
+ * @return A leopard pattern.
+ */
+dmnsn_pattern *dmnsn_new_leopard_pattern(dmnsn_pool *pool);