Index: experimental/webgtt/javascript/edge.js |
diff --git a/experimental/webgtt/javascript/edge.js b/experimental/webgtt/javascript/edge.js |
deleted file mode 100644 |
index 2b5f12379b597c17c325f834fbf6cd19b862337e..0000000000000000000000000000000000000000 |
--- a/experimental/webgtt/javascript/edge.js |
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-// Copyright (c) 2011 The Native Client Authors. All rights reserved. |
-// Use of this source code is governed by a BSD-style license that can be found |
-// in the LICENSE file. |
- |
-/** |
- * @fileoverview This file contains the JavaScript required for the WebGTT |
- * application, specifically, the implementation of the Edge class. This |
- * implementation provides functions for creating, selecting, coloring, and |
- * drawing an edge. |
- * |
- * @author ragad@google.com (Raga Gopalakrishnan) |
- */ |
- |
-/** |
- * This constant holds the size used to draw an edge. |
- * @type {number} |
- * @const |
- */ |
-var EDGE_SIZE = 4; |
- |
-/** |
- * This class is used to represent an edge of the graph. |
- * |
- * @param {object} start Reference to the object representing the start vertex. |
- * @param {object} end Reference to the object representing the end vertex. |
- * @constructor |
- */ |
-Edge = function (start, end) { |
- this.start = start; |
- this.end = end; |
- |
- /** |
- * This boolean variable indicates whether the edge is selected or not. |
- */ |
- this.isSelected = false; |
- |
- /** |
- * This variable stores the color used while drawing the edge on the canvas. |
- */ |
- this.color = 'black'; |
-}; |
- |
-/** |
- * This function sets the value of Edge.isSelected. |
- * |
- * @param {boolean} isSelected The value to be assigned to Edge.isSelected. |
- */ |
-Edge.prototype.setSelected = function (isSelected) { |
- this.isSelected = isSelected; |
-}; |
- |
-/** |
- * This function sets the value of Edge.color. |
- * |
- * @param {string} color The value to be assigned to Edge.color. |
- */ |
-Edge.prototype.setColor = function (color) { |
- this.color = color; |
-}; |
- |
-/** |
- * This function draws the edge on the canvas, with a specified color and |
- * line width. |
- * |
- * @param {object} drawingContext The handle to the drawing surface of the |
- * canvas. |
- * @param {string} color The color with which the edge is to be drawn. |
- * @param {number} lineWidth The width with which the edge is to be drawn. |
- */ |
-Edge.prototype.drawSpecific = function (drawingContext, color, lineWidth) { |
- drawingContext.strokeStyle = color; |
- drawingContext.lineWidth = lineWidth; |
- drawingContext.beginPath(); |
- drawingContext.moveTo(this.start.x, this.start.y); |
- drawingContext.lineTo(this.end.x, this.end.y); |
- drawingContext.closePath(); |
- drawingContext.stroke(); |
-}; |
- |
-/** |
- * This function draws the edge on the canvas. |
- * |
- * The edge is drawn as a line from (start.x,start.y) to (end.x,end.y) with |
- * size (thickness) specified by EDGE_SIZE. If isSelected is true, a thicker |
- * red line is also drawn, to indicate that the edge is selected. |
- * |
- * @param {object} drawingContext The handle to the drawing surface of the |
- * canvas. |
- */ |
-Edge.prototype.draw = function (drawingContext) { |
- this.drawSpecific(drawingContext, this.color, EDGE_SIZE); |
- if (this.isSelected) { |
- this.drawSpecific(drawingContext, 'red', 3*EDGE_SIZE/2); |
- } |
-}; |