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+/*
+ * Copyright 2010, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+
+/**
+ * Bitmap provides an interface for basic image operations on bitmap,
+ * including scale and crop. A Bitmap can be created from RawData via
+ * pack.createBitmapsFromRawData(), and also can be transferred to mip of a
+ * Texure2D or a specific face of TextureCUBE via methods in Texture.
+ * @constructor
+ */
+o3d.Bitmap = function() {
+  o3d.ParamObject.call(this);
+};
+o3d.inherit('Bitmap', 'ParamObject');
+
+
+/**
+ * @type {number}
+ */
+o3d.Bitmap.Semantic = goog.typedef;
+
+/**
+ * After loading an array of Bitmaps with pack.createBitmapsFromRawData
+ * you can inspect their semantic to see what they were intended for. This is
+ * mostly to distinguish between 6 bitmaps that are faces of a cubemap and 6
+ * bitmaps that are slices of a 3d texture.
+ * 
+ *  FACE_POSITIVE_X, 1 face of a cubemap
+ *  FACE_NEGATIVE_X, 1 face of a cubemap
+ *  FACE_POSITIVE_Y, 1 face of a cubemap
+ *  FACE_NEGATIVE_Y, 1 face of a cubemap
+ *  FACE_POSITIVE_Z, 1 face of a cubemap
+ *  FACE_NEGATIVE_Z, 1 face of a cubemap
+ *  IMAGE, normal 2d image
+ *  SLICE, a slice of a 3d texture.
+ */
+o3d.Bitmap.FACE_POSITIVE_X = 0;
+o3d.Bitmap.FACE_NEGATIVE_X = 1;
+o3d.Bitmap.FACE_POSITIVE_Y = 2;
+o3d.Bitmap.FACE_NEGATIVE_Y = 3;
+o3d.Bitmap.FACE_POSITIVE_Z = 4;
+o3d.Bitmap.FACE_NEGATIVE_Z = 5;
+o3d.Bitmap.IMAGE = 6;
+o3d.Bitmap.SLICE = 7;
+
+
+
+/**
+ * Flips a bitmap vertically in place.
+ * @type {boolean}
+ */
+o3d.Bitmap.prototype.flipVertically = false;
+
+
+
+/**
+ * Generates mip maps from the source level to lower levels.
+ * 
+ * You can not currently generate mips for DXT textures although you can load
+ * them from dds files.
+ * 
+ * @param {number} source_level The level to use as the source of the mips.
+ * @param {number} num_levels The number of levels to generate below the
+ *     source level.
+ */
+o3d.Bitmap.prototype.generateMips =
+    function(source_level, num_levels) {
+  o3d.notImplemented();
+};
+
+
+/**
+ * The width of the bitmap (read only).
+ * @type {number}
+ */
+o3d.Bitmap.prototype.width = 0;
+
+
+
+/**
+ * The height of the bitmap (read only).
+ * @type {number}
+ */
+o3d.Bitmap.prototype.height = 0;
+
+
+
+/**
+ * The format of the bitmap (read only).
+ * @type {number}
+ */
+o3d.Bitmap.prototype.format = 0;
+
+
+
+/**
+ * Number mip-maps (read only)
+ * @type {number}
+ */
+o3d.Bitmap.prototype.numMipmaps = 1;
+
+
+
+/**
+ * The Semantic of the bitmap.
+ * @type {!o3d.Stream.Semantic}
+ */
+o3d.Bitmap.prototype.semantic = o3d.Stream.UNKNOWN_SEMANTIC;
+
+
+