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main/inc/lib/mxgraph/src/js/shape/mxActor.js

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+/**
+ * Copyright (c) 2006-2015, JGraph Ltd
+ * Copyright (c) 2006-2015, Gaudenz Alder
+ */
+/**
+ * Class: mxActor
+ *
+ * Extends <mxShape> to implement an actor shape. If a custom shape with one
+ * filled area is needed, then this shape's <redrawPath> should be overridden.
+ * 
+ * Example:
+ * 
+ * (code)
+ * function SampleShape() { }
+ * 
+ * SampleShape.prototype = new mxActor();
+ * SampleShape.prototype.constructor = vsAseShape;
+ * 
+ * mxCellRenderer.registerShape('sample', SampleShape);
+ * SampleShape.prototype.redrawPath = function(path, x, y, w, h)
+ * {
+ *   path.moveTo(0, 0);
+ *   path.lineTo(w, h);
+ *   // ...
+ *   path.close();
+ * }
+ * (end)
+ * 
+ * This shape is registered under <mxConstants.SHAPE_ACTOR> in
+ * <mxCellRenderer>.
+ * 
+ * Constructor: mxActor
+ *
+ * Constructs a new actor shape.
+ * 
+ * Parameters:
+ * 
+ * bounds - <mxRectangle> that defines the bounds. This is stored in
+ * <mxShape.bounds>.
+ * fill - String that defines the fill color. This is stored in <fill>.
+ * stroke - String that defines the stroke color. This is stored in <stroke>.
+ * strokewidth - Optional integer that defines the stroke width. Default is
+ * 1. This is stored in <strokewidth>.
+ */
+function mxActor(bounds, fill, stroke, strokewidth)
+{
+	mxShape.call(this);
+	this.bounds = bounds;
+	this.fill = fill;
+	this.stroke = stroke;
+	this.strokewidth = (strokewidth != null) ? strokewidth : 1;
+};
+
+/**
+ * Extends mxShape.
+ */
+mxUtils.extend(mxActor, mxShape);
+
+/**
+ * Function: paintVertexShape
+ * 
+ * Redirects to redrawPath for subclasses to work.
+ */
+mxActor.prototype.paintVertexShape = function(c, x, y, w, h)
+{
+	c.translate(x, y);
+	c.begin();
+	this.redrawPath(c, x, y, w, h);
+	c.fillAndStroke();
+};
+
+/**
+ * Function: redrawPath
+ *
+ * Draws the path for this shape.
+ */
+mxActor.prototype.redrawPath = function(c, x, y, w, h)
+{
+	var width = w/3;
+	c.moveTo(0, h);
+	c.curveTo(0, 3 * h / 5, 0, 2 * h / 5, w / 2, 2 * h / 5);
+	c.curveTo(w / 2 - width, 2 * h / 5, w / 2 - width, 0, w / 2, 0);
+	c.curveTo(w / 2 + width, 0, w / 2 + width, 2 * h / 5, w / 2, 2 * h / 5);
+	c.curveTo(w, 2 * h / 5, w, 3 * h / 5, w, h);
+	c.close();
+};