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diff --git a/libdimension/dimension/model/scene.h b/libdimension/dimension/model/scene.h
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+/*************************************************************************
+ * Copyright (C) 2010-2014 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
+ * Entire scenes.
+ */
+
+/** Render quality flags. */
+enum {
+  DMNSN_RENDER_NONE         = 0,      /**< Render nothing. */
+  DMNSN_RENDER_PIGMENT      = 1 << 0, /**< Render pigments. */
+  DMNSN_RENDER_LIGHTS       = 1 << 1, /**< Render lights and shadows. */
+  DMNSN_RENDER_FINISH       = 1 << 2, /**< Render object finishes. */
+  DMNSN_RENDER_TRANSPARENCY = 1 << 3, /**< Render transparency/refraction. */
+  DMNSN_RENDER_REFLECTION   = 1 << 4, /**< Render specular reflection. */
+  DMNSN_RENDER_FULL         = ~DMNSN_RENDER_NONE /**< Render everything. */
+};
+
+/** Render quality. */
+typedef unsigned int dmnsn_quality;
+
+/** An entire scene. */
+typedef struct dmnsn_scene {
+  /* World attributes */
+  dmnsn_pigment *background;        /**< Background pigment. */
+  dmnsn_texture *default_texture;   /**< Default object texture. */
+  dmnsn_interior *default_interior; /**< Default object interior. */
+
+  /** Canvas. */
+  dmnsn_canvas *canvas;
+
+  /* Support for rendering image subregions. */
+  size_t region_x; /**< The x position of the canvas in the broader image. */
+  size_t region_y; /**< The y position of the canvas in the broader image. */
+  size_t outer_width; /**< Width of the broader image. */
+  size_t outer_height; /**< Height of the broader image. */
+
+  /** Objects. */
+  dmnsn_array *objects;
+
+  /** Lights. */
+  dmnsn_array *lights;
+
+  /** Camera. */
+  dmnsn_camera *camera;
+
+  /** Render quality. */
+  dmnsn_quality quality;
+
+  /** Recursion limit. */
+  unsigned int reclimit;
+
+  /** Adaptive depth control bailout. */
+  double adc_bailout;
+
+  /** Number of parallel threads. */
+  unsigned int nthreads;
+
+  /** Timers. */
+  dmnsn_timer bounding_timer;
+  dmnsn_timer render_timer;
+
+  bool initialized; /**< @internal Whether the scene is initialized. */
+} dmnsn_scene;
+
+/**
+ * Create a scene.
+ * @param[in] pool  The memory pool to allocate from.
+ * @return A new empty scene.
+ */
+dmnsn_scene *dmnsn_new_scene(dmnsn_pool *pool);
+
+/**
+ * Initialize a scene.
+ * @param[in,out] scene  The scene to initalize.
+ */
+void dmnsn_scene_initialize(dmnsn_scene *scene);