Update third_party/document_image_extractor

third_party/document_image_extractor/third_party/closure-library/closure/goog/math/rect.js

Index: third_party/document_image_extractor/third_party/closure-library/closure/goog/math/rect.js
diff --git a/third_party/document_image_extractor/third_party/closure-library/closure/goog/math/rect.js b/third_party/document_image_extractor/third_party/closure-library/closure/goog/math/rect.js
deleted file mode 100644
index c44b80e8419907e6bdc64a031517ae56e29f360b..0000000000000000000000000000000000000000
--- a/third_party/document_image_extractor/third_party/closure-library/closure/goog/math/rect.js
+++ /dev/null
@@ -1,464 +0,0 @@
-// Copyright 2006 The Closure Library Authors. All Rights Reserved.
-//
-// Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS-IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-/**
- * @fileoverview A utility class for representing rectangles.
- */
-
-goog.provide('goog.math.Rect');
-
-goog.require('goog.math.Box');
-goog.require('goog.math.Coordinate');
-goog.require('goog.math.Size');
-
-
-
-/**
- * Class for representing rectangular regions.
- * @param {number} x Left.
- * @param {number} y Top.
- * @param {number} w Width.
- * @param {number} h Height.
- * @struct
- * @constructor
- */
-goog.math.Rect = function(x, y, w, h) {
-  /** @type {number} */
-  this.left = x;
-
-  /** @type {number} */
-  this.top = y;
-
-  /** @type {number} */
-  this.width = w;
-
-  /** @type {number} */
-  this.height = h;
-};
-
-
-/**
- * @return {!goog.math.Rect} A new copy of this Rectangle.
- */
-goog.math.Rect.prototype.clone = function() {
-  return new goog.math.Rect(this.left, this.top, this.width, this.height);
-};
-
-
-/**
- * Returns a new Box object with the same position and dimensions as this
- * rectangle.
- * @return {!goog.math.Box} A new Box representation of this Rectangle.
- */
-goog.math.Rect.prototype.toBox = function() {
-  var right = this.left + this.width;
-  var bottom = this.top + this.height;
-  return new goog.math.Box(this.top,
-                           right,
-                           bottom,
-                           this.left);
-};
-
-
-/**
- * Creates a new Rect object with the same position and dimensions as a given
- * Box.  Note that this is only the inverse of toBox if left/top are defined.
- * @param {goog.math.Box} box A box.
- * @return {!goog.math.Rect} A new Rect initialized with the box's position
- *     and size.
- */
-goog.math.Rect.createFromBox = function(box) {
-  return new goog.math.Rect(box.left, box.top,
-      box.right - box.left, box.bottom - box.top);
-};
-
-
-if (goog.DEBUG) {
-  /**
-   * Returns a nice string representing size and dimensions of rectangle.
-   * @return {string} In the form (50, 73 - 75w x 25h).
-   * @override
-   */
-  goog.math.Rect.prototype.toString = function() {
-    return '(' + this.left + ', ' + this.top + ' - ' + this.width + 'w x ' +
-           this.height + 'h)';
-  };
-}
-
-
-/**
- * Compares rectangles for equality.
- * @param {goog.math.Rect} a A Rectangle.
- * @param {goog.math.Rect} b A Rectangle.
- * @return {boolean} True iff the rectangles have the same left, top, width,
- *     and height, or if both are null.
- */
-goog.math.Rect.equals = function(a, b) {
-  if (a == b) {
-    return true;
-  }
-  if (!a || !b) {
-    return false;
-  }
-  return a.left == b.left && a.width == b.width &&
-         a.top == b.top && a.height == b.height;
-};
-
-
-/**
- * Computes the intersection of this rectangle and the rectangle parameter.  If
- * there is no intersection, returns false and leaves this rectangle as is.
- * @param {goog.math.Rect} rect A Rectangle.
- * @return {boolean} True iff this rectangle intersects with the parameter.
- */
-goog.math.Rect.prototype.intersection = function(rect) {
-  var x0 = Math.max(this.left, rect.left);
-  var x1 = Math.min(this.left + this.width, rect.left + rect.width);
-
-  if (x0 <= x1) {
-    var y0 = Math.max(this.top, rect.top);
-    var y1 = Math.min(this.top + this.height, rect.top + rect.height);
-
-    if (y0 <= y1) {
-      this.left = x0;
-      this.top = y0;
-      this.width = x1 - x0;
-      this.height = y1 - y0;
-
-      return true;
-    }
-  }
-  return false;
-};
-
-
-/**
- * Returns the intersection of two rectangles. Two rectangles intersect if they
- * touch at all, for example, two zero width and height rectangles would
- * intersect if they had the same top and left.
- * @param {goog.math.Rect} a A Rectangle.
- * @param {goog.math.Rect} b A Rectangle.
- * @return {goog.math.Rect} A new intersection rect (even if width and height
- *     are 0), or null if there is no intersection.
- */
-goog.math.Rect.intersection = function(a, b) {
-  // There is no nice way to do intersection via a clone, because any such
-  // clone might be unnecessary if this function returns null.  So, we duplicate
-  // code from above.
-
-  var x0 = Math.max(a.left, b.left);
-  var x1 = Math.min(a.left + a.width, b.left + b.width);
-
-  if (x0 <= x1) {
-    var y0 = Math.max(a.top, b.top);
-    var y1 = Math.min(a.top + a.height, b.top + b.height);
-
-    if (y0 <= y1) {
-      return new goog.math.Rect(x0, y0, x1 - x0, y1 - y0);
-    }
-  }
-  return null;
-};
-
-
-/**
- * Returns whether two rectangles intersect. Two rectangles intersect if they
- * touch at all, for example, two zero width and height rectangles would
- * intersect if they had the same top and left.
- * @param {goog.math.Rect} a A Rectangle.
- * @param {goog.math.Rect} b A Rectangle.
- * @return {boolean} Whether a and b intersect.
- */
-goog.math.Rect.intersects = function(a, b) {
-  return (a.left <= b.left + b.width && b.left <= a.left + a.width &&
-      a.top <= b.top + b.height && b.top <= a.top + a.height);
-};
-
-
-/**
- * Returns whether a rectangle intersects this rectangle.
- * @param {goog.math.Rect} rect A rectangle.
- * @return {boolean} Whether rect intersects this rectangle.
- */
-goog.math.Rect.prototype.intersects = function(rect) {
-  return goog.math.Rect.intersects(this, rect);
-};
-
-
-/**
- * Computes the difference regions between two rectangles. The return value is
- * an array of 0 to 4 rectangles defining the remaining regions of the first
- * rectangle after the second has been subtracted.
- * @param {goog.math.Rect} a A Rectangle.
- * @param {goog.math.Rect} b A Rectangle.
- * @return {!Array<!goog.math.Rect>} An array with 0 to 4 rectangles which
- *     together define the difference area of rectangle a minus rectangle b.
- */
-goog.math.Rect.difference = function(a, b) {
-  var intersection = goog.math.Rect.intersection(a, b);
-  if (!intersection || !intersection.height || !intersection.width) {
-    return [a.clone()];
-  }
-
-  var result = [];
-
-  var top = a.top;
-  var height = a.height;
-
-  var ar = a.left + a.width;
-  var ab = a.top + a.height;
-
-  var br = b.left + b.width;
-  var bb = b.top + b.height;
-
-  // Subtract off any area on top where A extends past B
-  if (b.top > a.top) {
-    result.push(new goog.math.Rect(a.left, a.top, a.width, b.top - a.top));
-    top = b.top;
-    // If we're moving the top down, we also need to subtract the height diff.
-    height -= b.top - a.top;
-  }
-  // Subtract off any area on bottom where A extends past B
-  if (bb < ab) {
-    result.push(new goog.math.Rect(a.left, bb, a.width, ab - bb));
-    height = bb - top;
-  }
-  // Subtract any area on left where A extends past B
-  if (b.left > a.left) {
-    result.push(new goog.math.Rect(a.left, top, b.left - a.left, height));
-  }
-  // Subtract any area on right where A extends past B
-  if (br < ar) {
-    result.push(new goog.math.Rect(br, top, ar - br, height));
-  }
-
-  return result;
-};
-
-
-/**
- * Computes the difference regions between this rectangle and {@code rect}. The
- * return value is an array of 0 to 4 rectangles defining the remaining regions
- * of this rectangle after the other has been subtracted.
- * @param {goog.math.Rect} rect A Rectangle.
- * @return {!Array<!goog.math.Rect>} An array with 0 to 4 rectangles which
- *     together define the difference area of rectangle a minus rectangle b.
- */
-goog.math.Rect.prototype.difference = function(rect) {
-  return goog.math.Rect.difference(this, rect);
-};
-
-
-/**
- * Expand this rectangle to also include the area of the given rectangle.
- * @param {goog.math.Rect} rect The other rectangle.
- */
-goog.math.Rect.prototype.boundingRect = function(rect) {
-  // We compute right and bottom before we change left and top below.
-  var right = Math.max(this.left + this.width, rect.left + rect.width);
-  var bottom = Math.max(this.top + this.height, rect.top + rect.height);
-
-  this.left = Math.min(this.left, rect.left);
-  this.top = Math.min(this.top, rect.top);
-
-  this.width = right - this.left;
-  this.height = bottom - this.top;
-};
-
-
-/**
- * Returns a new rectangle which completely contains both input rectangles.
- * @param {goog.math.Rect} a A rectangle.
- * @param {goog.math.Rect} b A rectangle.
- * @return {goog.math.Rect} A new bounding rect, or null if either rect is
- *     null.
- */
-goog.math.Rect.boundingRect = function(a, b) {
-  if (!a || !b) {
-    return null;
-  }
-
-  var clone = a.clone();
-  clone.boundingRect(b);
-
-  return clone;
-};
-
-
-/**
- * Tests whether this rectangle entirely contains another rectangle or
- * coordinate.
- *
- * @param {goog.math.Rect|goog.math.Coordinate} another The rectangle or
- *     coordinate to test for containment.
- * @return {boolean} Whether this rectangle contains given rectangle or
- *     coordinate.
- */
-goog.math.Rect.prototype.contains = function(another) {
-  if (another instanceof goog.math.Rect) {
-    return this.left <= another.left &&
-           this.left + this.width >= another.left + another.width &&
-           this.top <= another.top &&
-           this.top + this.height >= another.top + another.height;
-  } else { // (another instanceof goog.math.Coordinate)
-    return another.x >= this.left &&
-           another.x <= this.left + this.width &&
-           another.y >= this.top &&
-           another.y <= this.top + this.height;
-  }
-};
-
-
-/**
- * @param {!goog.math.Coordinate} point A coordinate.
- * @return {number} The squared distance between the point and the closest
- *     point inside the rectangle. Returns 0 if the point is inside the
- *     rectangle.
- */
-goog.math.Rect.prototype.squaredDistance = function(point) {
-  var dx = point.x < this.left ?
-      this.left - point.x : Math.max(point.x - (this.left + this.width), 0);
-  var dy = point.y < this.top ?
-      this.top - point.y : Math.max(point.y - (this.top + this.height), 0);
-  return dx * dx + dy * dy;
-};
-
-
-/**
- * @param {!goog.math.Coordinate} point A coordinate.
- * @return {number} The distance between the point and the closest point
- *     inside the rectangle. Returns 0 if the point is inside the rectangle.
- */
-goog.math.Rect.prototype.distance = function(point) {
-  return Math.sqrt(this.squaredDistance(point));
-};
-
-
-/**
- * @return {!goog.math.Size} The size of this rectangle.
- */
-goog.math.Rect.prototype.getSize = function() {
-  return new goog.math.Size(this.width, this.height);
-};
-
-
-/**
- * @return {!goog.math.Coordinate} A new coordinate for the top-left corner of
- *     the rectangle.
- */
-goog.math.Rect.prototype.getTopLeft = function() {
-  return new goog.math.Coordinate(this.left, this.top);
-};
-
-
-/**
- * @return {!goog.math.Coordinate} A new coordinate for the center of the
- *     rectangle.
- */
-goog.math.Rect.prototype.getCenter = function() {
-  return new goog.math.Coordinate(
-      this.left + this.width / 2, this.top + this.height / 2);
-};
-
-
-/**
- * @return {!goog.math.Coordinate} A new coordinate for the bottom-right corner
- *     of the rectangle.
- */
-goog.math.Rect.prototype.getBottomRight = function() {
-  return new goog.math.Coordinate(
-      this.left + this.width, this.top + this.height);
-};
-
-
-/**
- * Rounds the fields to the next larger integer values.
- * @return {!goog.math.Rect} This rectangle with ceil'd fields.
- */
-goog.math.Rect.prototype.ceil = function() {
-  this.left = Math.ceil(this.left);
-  this.top = Math.ceil(this.top);
-  this.width = Math.ceil(this.width);
-  this.height = Math.ceil(this.height);
-  return this;
-};
-
-
-/**
- * Rounds the fields to the next smaller integer values.
- * @return {!goog.math.Rect} This rectangle with floored fields.
- */
-goog.math.Rect.prototype.floor = function() {
-  this.left = Math.floor(this.left);
-  this.top = Math.floor(this.top);
-  this.width = Math.floor(this.width);
-  this.height = Math.floor(this.height);
-  return this;
-};
-
-
-/**
- * Rounds the fields to nearest integer values.
- * @return {!goog.math.Rect} This rectangle with rounded fields.
- */
-goog.math.Rect.prototype.round = function() {
-  this.left = Math.round(this.left);
-  this.top = Math.round(this.top);
-  this.width = Math.round(this.width);
-  this.height = Math.round(this.height);
-  return this;
-};
-
-
-/**
- * Translates this rectangle by the given offsets. If a
- * {@code goog.math.Coordinate} is given, then the left and top values are
- * translated by the coordinate's x and y values. Otherwise, top and left are
- * translated by {@code tx} and {@code opt_ty} respectively.
- * @param {number|goog.math.Coordinate} tx The value to translate left by or the
- *     the coordinate to translate this rect by.
- * @param {number=} opt_ty The value to translate top by.
- * @return {!goog.math.Rect} This rectangle after translating.
- */
-goog.math.Rect.prototype.translate = function(tx, opt_ty) {
-  if (tx instanceof goog.math.Coordinate) {
-    this.left += tx.x;
-    this.top += tx.y;
-  } else {
-    this.left += tx;
-    if (goog.isNumber(opt_ty)) {
-      this.top += opt_ty;
-    }
-  }
-  return this;
-};
-
-
-/**
- * Scales this rectangle by the given scale factors. The left and width values
- * are scaled by {@code sx} and the top and height values are scaled by
- * {@code opt_sy}.  If {@code opt_sy} is not given, then all fields are scaled
- * by {@code sx}.
- * @param {number} sx The scale factor to use for the x dimension.
- * @param {number=} opt_sy The scale factor to use for the y dimension.
- * @return {!goog.math.Rect} This rectangle after scaling.
- */
-goog.math.Rect.prototype.scale = function(sx, opt_sy) {
-  var sy = goog.isNumber(opt_sy) ? opt_sy : sx;
-  this.left *= sx;
-  this.width *= sx;
-  this.top *= sy;
-  this.height *= sy;
-  return this;
-};