/*	Copyright (c) 2004-2006, The Dojo Foundation	All Rights Reserved.	Licensed under the Academic Free License version 2.1 or above OR the	modified BSD license. For more information on Dojo licensing, see:		http://dojotoolkit.org/community/licensing.shtml*/dojo.provide("dojo.gfx.shape");dojo.require("dojo.lang.declare");dojo.require("dojo.gfx.common");dojo.declare("dojo.gfx.Shape", null, {initializer:function () {	this.rawNode = null;	this.shape = null;	this.matrix = null;	this.fillStyle = null;	this.strokeStyle = null;	this.bbox = null;	this.parent = null;	this.parentMatrix = null;}, getNode:function () {	return this.rawNode;}, getShape:function () {	return this.shape;}, getTransform:function () {	return this.matrix;}, getFill:function () {	return this.fillStyle;}, getStroke:function () {	return this.strokeStyle;}, getParent:function () {	return this.parent;}, getBoundingBox:function () {	return this.bbox;}, getEventSource:function () {	return this.rawNode;}, setShape:function (shape) {	return this;}, setFill:function (fill) {	return this;}, setStroke:function (stroke) {	return this;}, moveToFront:function () {	return this;}, moveToBack:function () {	return this;}, setTransform:function (matrix) {	this.matrix = dojo.gfx.matrix.clone(matrix ? dojo.gfx.matrix.normalize(matrix) : dojo.gfx.identity, true);	return this._applyTransform();}, applyRightTransform:function (matrix) {	return matrix ? this.setTransform([this.matrix, matrix]) : this;}, applyLeftTransform:function (matrix) {	return matrix ? this.setTransform([matrix, this.matrix]) : this;}, applyTransform:function (matrix) {	return matrix ? this.setTransform([this.matrix, matrix]) : this;}, remove:function (silently) {	if (this.parent) {		this.parent.remove(this, silently);	}	return this;}, _setParent:function (parent, matrix) {	this.parent = parent;	return this._updateParentMatrix(matrix);}, _updateParentMatrix:function (matrix) {	this.parentMatrix = matrix ? dojo.gfx.matrix.clone(matrix) : null;	return this._applyTransform();}, _getRealMatrix:function () {	return this.parentMatrix ? new dojo.gfx.matrix.Matrix2D([this.parentMatrix, this.matrix]) : this.matrix;}});dojo.declare("dojo.gfx.shape.VirtualGroup", dojo.gfx.Shape, {initializer:function () {	this.children = [];}, add:function (shape) {	var oldParent = shape.getParent();	if (oldParent) {		oldParent.remove(shape, true);	}	this.children.push(shape);	return shape._setParent(this, this._getRealMatrix());}, remove:function (shape, silently) {	for (var i = 0; i < this.children.length; ++i) {		if (this.children[i] == shape) {			if (silently) {			} else {				shape._setParent(null, null);			}			this.children.splice(i, 1);			break;		}	}	return this;}, _applyTransform:function () {	var matrix = this._getRealMatrix();	for (var i = 0; i < this.children.length; ++i) {		this.children[i]._updateParentMatrix(matrix);	}	return this;}});dojo.declare("dojo.gfx.shape.Rect", dojo.gfx.Shape, {initializer:function (rawNode) {	this.shape = dojo.lang.shallowCopy(dojo.gfx.defaultRect, true);	this.attach(rawNode);}, getBoundingBox:function () {	return this.shape;}});dojo.declare("dojo.gfx.shape.Ellipse", dojo.gfx.Shape, {initializer:function (rawNode) {	this.shape = dojo.lang.shallowCopy(dojo.gfx.defaultEllipse, true);	this.attach(rawNode);}, getBoundingBox:function () {	if (!this.bbox) {		var shape = this.shape;		this.bbox = {x:shape.cx - shape.rx, y:shape.cy - shape.ry, width:2 * shape.rx, height:2 * shape.ry};	}	return this.bbox;}});dojo.declare("dojo.gfx.shape.Circle", dojo.gfx.Shape, {initializer:function (rawNode) {	this.shape = dojo.lang.shallowCopy(dojo.gfx.defaultCircle, true);	this.attach(rawNode);}, getBoundingBox:function () {	if (!this.bbox) {		var shape = this.shape;		this.bbox = {x:shape.cx - shape.r, y:shape.cy - shape.r, width:2 * shape.r, height:2 * shape.r};	}	return this.bbox;}});dojo.declare("dojo.gfx.shape.Line", dojo.gfx.Shape, {initializer:function (rawNode) {	this.shape = dojo.lang.shallowCopy(dojo.gfx.defaultLine, true);	this.attach(rawNode);}, getBoundingBox:function () {	if (!this.bbox) {		var shape = this.shape;		this.bbox = {x:Math.min(shape.x1, shape.x2), y:Math.min(shape.y1, shape.y2), width:Math.abs(shape.x2 - shape.x1), height:Math.abs(shape.y2 - shape.y1)};	}	return this.bbox;}});dojo.declare("dojo.gfx.shape.Polyline", dojo.gfx.Shape, {initializer:function (rawNode) {	this.shape = dojo.lang.shallowCopy(dojo.gfx.defaultPolyline, true);	this.attach(rawNode);}, getBoundingBox:function () {	if (!this.bbox && this.shape.points.length) {		var p = this.shape.points;		var l = p.length;		var t = p[0];		var bbox = {l:t.x, t:t.y, r:t.x, b:t.y};		for (var i = 1; i < l; ++i) {			t = p[i];			if (bbox.l > t.x) {				bbox.l = t.x;			}			if (bbox.r < t.x) {				bbox.r = t.x;			}			if (bbox.t > t.y) {				bbox.t = t.y;			}			if (bbox.b < t.y) {				bbox.b = t.y;			}		}		this.bbox = {x:bbox.l, y:bbox.t, width:bbox.r - bbox.l, height:bbox.b - bbox.t};	}	return this.bbox;}});dojo.declare("dojo.gfx.shape.Image", dojo.gfx.Shape, {initializer:function (rawNode) {	this.shape = dojo.lang.shallowCopy(dojo.gfx.defaultImage, true);	this.attach(rawNode);}, getBoundingBox:function () {	if (!this.bbox) {		var shape = this.shape;		this.bbox = {x:0, y:0, width:shape.width, height:shape.height};	}	return this.bbox;}});