Merge pull request #565 from danvk/gulp

[dygraphs.git] / extras / shapes.js

diff --git a/extras/shapes.js b/extras/shapes.js
deleted file mode 100644 (file)
index a453177..0000000
--- a/extras/shapes.js
+++ /dev/null
@@ -1,118 +0,0 @@
-/**
- * @license
- * Copyright 2011 Dan Vanderkam (danvdk@gmail.com)
- * MIT-licensed (http://opensource.org/licenses/MIT)
- */
-
-/**
- * @fileoverview
- * Including this file will add several additional shapes to Dygraph.Circles
- * which can be passed to drawPointCallback.
- * See tests/custom-circles.html for usage.
- */
-
-(function() {
-
-/**
- * @param {!CanvasRenderingContext2D} ctx the canvas context
- * @param {number} sides the number of sides in the shape.
- * @param {number} radius the radius of the image.
- * @param {number} cx center x coordate
- * @param {number} cy center y coordinate
- * @param {number=} rotationRadians the shift of the initial angle, in radians.
- * @param {number=} delta the angle shift for each line. If missing, creates a
- *     regular polygon.
- */
-var regularShape = function(
-    ctx, sides, radius, cx, cy, rotationRadians, delta) {
-  rotationRadians = rotationRadians || 0;
-  delta = delta || Math.PI * 2 / sides;
-
-  ctx.beginPath();
-  var initialAngle = rotationRadians;
-  var angle = initialAngle;
-
-  var computeCoordinates = function() {
-    var x = cx + (Math.sin(angle) * radius);
-    var y = cy + (-Math.cos(angle) * radius);
-    return [x, y];
-  };
-
-  var initialCoordinates = computeCoordinates();
-  var x = initialCoordinates[0];
-  var y = initialCoordinates[1];
-  ctx.moveTo(x, y);
-
-  for (var idx = 0; idx < sides; idx++) {
-    angle = (idx == sides - 1) ? initialAngle : (angle + delta);
-    var coords = computeCoordinates();
-    ctx.lineTo(coords[0], coords[1]);
-  }
-  ctx.fill();
-  ctx.stroke();
-};
-
-/**
- * TODO(danvk): be more specific on the return type.
- * @param {number} sides
- * @param {number=} rotationRadians
- * @param {number=} delta
- * @return {Function}
- * @private
- */
-var shapeFunction = function(sides, rotationRadians, delta) {
-  return function(g, name, ctx, cx, cy, color, radius) {
-    ctx.strokeStyle = color;
-    ctx.fillStyle = "white";
-    regularShape(ctx, sides, radius, cx, cy, rotationRadians, delta);
-  };
-};
-
-Dygraph.update(Dygraph.Circles, {
-  TRIANGLE : shapeFunction(3),
-  SQUARE : shapeFunction(4, Math.PI / 4),
-  DIAMOND : shapeFunction(4),
-  PENTAGON : shapeFunction(5),
-  HEXAGON : shapeFunction(6),
-  CIRCLE : function(g, name, ctx, cx, cy, color, radius) {
-    ctx.beginPath();
-    ctx.strokeStyle = color;
-    ctx.fillStyle = "white";
-    ctx.arc(cx, cy, radius, 0, 2 * Math.PI, false);
-    ctx.fill();
-    ctx.stroke();
-  },
-  STAR : shapeFunction(5, 0, 4 * Math.PI / 5),
-  PLUS : function(g, name, ctx, cx, cy, color, radius) {
-    ctx.strokeStyle = color;
-
-    ctx.beginPath();
-    ctx.moveTo(cx + radius, cy);
-    ctx.lineTo(cx - radius, cy);
-    ctx.closePath();
-    ctx.stroke();
-
-    ctx.beginPath();
-    ctx.moveTo(cx, cy + radius);
-    ctx.lineTo(cx, cy - radius);
-    ctx.closePath();
-    ctx.stroke();
-  },
-  EX : function(g, name, ctx, cx, cy, color, radius) {
-    ctx.strokeStyle = color;
-
-    ctx.beginPath();
-    ctx.moveTo(cx + radius, cy + radius);
-    ctx.lineTo(cx - radius, cy - radius);
-    ctx.closePath();
-    ctx.stroke();
-
-    ctx.beginPath();
-    ctx.moveTo(cx + radius, cy - radius);
-    ctx.lineTo(cx - radius, cy + radius);
-    ctx.closePath();
-    ctx.stroke();
-  }
-});
-
-})();