<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>src/pixi/primitives/Graphics.js - Pixi.JS</title>
<link rel="stylesheet" href="http://yui.yahooapis.com/3.9.1/build/cssgrids/cssgrids-min.css">
<link rel="stylesheet" href="../assets/vendor/prettify/prettify-min.css">
<link rel="stylesheet" href="../assets/css/main.css" id="site_styles">
<link rel="shortcut icon" type="image/png" href="../assets/favicon.png">
<script src="http://yui.yahooapis.com/combo?3.9.1/build/yui/yui-min.js"></script>
</head>
<body class="yui3-skin-sam">
<div id="doc">
<div id="hd" class="yui3-g header">
<div class="yui3-u-3-4">
<h1><img src="http://www.goodboydigital.com/pixijs/logo_small.png" title="Pixi.JS"></h1>
</div>
<div class="yui3-u-1-4 version">
<em>API Docs for: 1.3.0</em>
</div>
</div>
<div id="bd" class="yui3-g">
<div class="yui3-u-1-4">
<div id="docs-sidebar" class="sidebar apidocs">
<div id="api-list">
<h2 class="off-left">APIs</h2>
<div id="api-tabview" class="tabview">
<ul class="tabs">
<li><a href="#api-classes">Classes</a></li>
<li><a href="#api-modules">Modules</a></li>
</ul>
<div id="api-tabview-filter">
<input type="search" id="api-filter" placeholder="Type to filter APIs">
</div>
<div id="api-tabview-panel">
<ul id="api-classes" class="apis classes">
<li><a href="../classes/AbstractFilter.html">AbstractFilter</a></li>
<li><a href="../classes/AssetLoader.html">AssetLoader</a></li>
<li><a href="../classes/BaseTexture.html">BaseTexture</a></li>
<li><a href="../classes/BitmapFontLoader.html">BitmapFontLoader</a></li>
<li><a href="../classes/BitmapText.html">BitmapText</a></li>
<li><a href="../classes/BlurFilter.html">BlurFilter</a></li>
<li><a href="../classes/CanvasGraphics.html">CanvasGraphics</a></li>
<li><a href="../classes/CanvasRenderer.html">CanvasRenderer</a></li>
<li><a href="../classes/Circle.html">Circle</a></li>
<li><a href="../classes/ColorMatrixFilter.html">ColorMatrixFilter</a></li>
<li><a href="../classes/CustomRenderable.html">CustomRenderable</a></li>
<li><a href="../classes/DisplacementFilter.html">DisplacementFilter</a></li>
<li><a href="../classes/DisplayObject.html">DisplayObject</a></li>
<li><a href="../classes/DisplayObjectContainer.html">DisplayObjectContainer</a></li>
<li><a href="../classes/Ellipse.html">Ellipse</a></li>
<li><a href="../classes/EventTarget.html">EventTarget</a></li>
<li><a href="../classes/Graphics.html">Graphics</a></li>
<li><a href="../classes/GreyFilter.html">GreyFilter</a></li>
<li><a href="../classes/ImageLoader.html">ImageLoader</a></li>
<li><a href="../classes/InvertFilter.html">InvertFilter</a></li>
<li><a href="../classes/JsonLoader.html">JsonLoader</a></li>
<li><a href="../classes/MovieClip.html">MovieClip</a></li>
<li><a href="../classes/PixelateFilter.html">PixelateFilter</a></li>
<li><a href="../classes/Point.html">Point</a></li>
<li><a href="../classes/Polygon.html">Polygon</a></li>
<li><a href="../classes/PolyK._convex.html">PolyK._convex</a></li>
<li><a href="../classes/PolyK._PointInTriangle.html">PolyK._PointInTriangle</a></li>
<li><a href="../classes/PolyK.AjaxRequest.html">PolyK.AjaxRequest</a></li>
<li><a href="../classes/PolyK.InteractionData.html">PolyK.InteractionData</a></li>
<li><a href="../classes/PolyK.InteractionManager.html">PolyK.InteractionManager</a></li>
<li><a href="../classes/Rectangle.html">Rectangle</a></li>
<li><a href="../classes/RenderTexture.html">RenderTexture</a></li>
<li><a href="../classes/SepiaFilter.html">SepiaFilter</a></li>
<li><a href="../classes/Spine.html">Spine</a></li>
<li><a href="../classes/Sprite.html">Sprite</a></li>
<li><a href="../classes/SpriteSheetLoader.html">SpriteSheetLoader</a></li>
<li><a href="../classes/Stage.html">Stage</a></li>
<li><a href="../classes/Text.html">Text</a></li>
<li><a href="../classes/Texture.html">Texture</a></li>
<li><a href="../classes/TilingSprite.html">TilingSprite</a></li>
<li><a href="../classes/WebGLBatch.html">WebGLBatch</a></li>
<li><a href="../classes/WebGLRenderer.html">WebGLRenderer</a></li>
</ul>
<ul id="api-modules" class="apis modules">
<li><a href="../modules/PIXI.html">PIXI</a></li>
</ul>
</div>
</div>
</div>
</div>
</div>
<div class="yui3-u-3-4">
<div id="api-options">
Show:
<label for="api-show-inherited">
<input type="checkbox" id="api-show-inherited" checked>
Inherited
</label>
<label for="api-show-protected">
<input type="checkbox" id="api-show-protected">
Protected
</label>
<label for="api-show-private">
<input type="checkbox" id="api-show-private">
Private
</label>
<label for="api-show-deprecated">
<input type="checkbox" id="api-show-deprecated">
Deprecated
</label>
</div>
<div class="apidocs">
<div id="docs-main">
<div class="content">
<h1 class="file-heading">File: src/pixi/primitives/Graphics.js</h1>
<div class="file">
<pre class="code prettyprint linenums">
/**
* @author Mat Groves http://matgroves.com/ @Doormat23
*/
/**
* The Graphics class contains a set of methods that you can use to create primitive shapes and lines.
* It is important to know that with the webGL renderer only simple polys can be filled at this stage
* Complex polys will not be filled. Heres an example of a complex poly: http://www.goodboydigital.com/wp-content/uploads/2013/06/complexPolygon.png
*
* @class Graphics
* @extends DisplayObjectContainer
* @constructor
*/
PIXI.Graphics = function()
{
PIXI.DisplayObjectContainer.call( this );
this.renderable = true;
/**
* The alpha of the fill of this graphics object
*
* @property fillAlpha
* @type Number
*/
this.fillAlpha = 1;
/**
* The width of any lines drawn
*
* @property lineWidth
* @type Number
*/
this.lineWidth = 0;
/**
* The color of any lines drawn
*
* @property lineColor
* @type String
*/
this.lineColor = "black";
/**
* Graphics data
*
* @property graphicsData
* @type Array
* @private
*/
this.graphicsData = [];
/**
* Current path
*
* @property currentPath
* @type Object
* @private
*/
this.currentPath = {points:[]};
}
// constructor
PIXI.Graphics.prototype = Object.create( PIXI.DisplayObjectContainer.prototype );
PIXI.Graphics.prototype.constructor = PIXI.Graphics;
/**
* Specifies a line style used for subsequent calls to Graphics methods such as the lineTo() method or the drawCircle() method.
*
* @method lineStyle
* @param lineWidth {Number} width of the line to draw, will update the object's stored style
* @param color {Number} color of the line to draw, will update the object's stored style
* @param alpha {Number} alpha of the line to draw, will update the object's stored style
*/
PIXI.Graphics.prototype.lineStyle = function(lineWidth, color, alpha)
{
if(this.currentPath.points.length == 0)this.graphicsData.pop();
this.lineWidth = lineWidth || 0;
this.lineColor = color || 0;
this.lineAlpha = (alpha == undefined) ? 1 : alpha;
this.currentPath = {lineWidth:this.lineWidth, lineColor:this.lineColor, lineAlpha:this.lineAlpha,
fillColor:this.fillColor, fillAlpha:this.fillAlpha, fill:this.filling, points:[], type:PIXI.Graphics.POLY};
this.graphicsData.push(this.currentPath);
}
/**
* Moves the current drawing position to (x, y).
*
* @method moveTo
* @param x {Number} the X coord to move to
* @param y {Number} the Y coord to move to
*/
PIXI.Graphics.prototype.moveTo = function(x, y)
{
if(this.currentPath.points.length == 0)this.graphicsData.pop();
this.currentPath = this.currentPath = {lineWidth:this.lineWidth, lineColor:this.lineColor, lineAlpha:this.lineAlpha,
fillColor:this.fillColor, fillAlpha:this.fillAlpha, fill:this.filling, points:[], type:PIXI.Graphics.POLY};
this.currentPath.points.push(x, y);
this.graphicsData.push(this.currentPath);
}
/**
* Draws a line using the current line style from the current drawing position to (x, y);
* the current drawing position is then set to (x, y).
*
* @method lineTo
* @param x {Number} the X coord to draw to
* @param y {Number} the Y coord to draw to
*/
PIXI.Graphics.prototype.lineTo = function(x, y)
{
this.currentPath.points.push(x, y);
this.dirty = true;
}
/**
* Specifies a simple one-color fill that subsequent calls to other Graphics methods
* (such as lineTo() or drawCircle()) use when drawing.
*
* @method beginFill
* @param color {uint} the color of the fill
* @param alpha {Number} the alpha
*/
PIXI.Graphics.prototype.beginFill = function(color, alpha)
{
this.filling = true;
this.fillColor = color || 0;
this.fillAlpha = (alpha == undefined) ? 1 : alpha;
}
/**
* Applies a fill to the lines and shapes that were added since the last call to the beginFill() method.
*
* @method endFill
*/
PIXI.Graphics.prototype.endFill = function()
{
this.filling = false;
this.fillColor = null;
this.fillAlpha = 1;
}
/**
* @method drawRect
*
* @param x {Number} The X coord of the top-left of the rectangle
* @param y {Number} The Y coord of the top-left of the rectangle
* @param width {Number} The width of the rectangle
* @param height {Number} The height of the rectangle
*/
PIXI.Graphics.prototype.drawRect = function( x, y, width, height )
{
if(this.currentPath.points.length == 0)this.graphicsData.pop();
this.currentPath = {lineWidth:this.lineWidth, lineColor:this.lineColor, lineAlpha:this.lineAlpha,
fillColor:this.fillColor, fillAlpha:this.fillAlpha, fill:this.filling,
points:[x, y, width, height], type:PIXI.Graphics.RECT};
this.graphicsData.push(this.currentPath);
this.dirty = true;
}
/**
* Draws a circle.
*
* @method drawCircle
* @param x {Number} The X coord of the center of the circle
* @param y {Number} The Y coord of the center of the circle
* @param radius {Number} The radius of the circle
*/
PIXI.Graphics.prototype.drawCircle = function( x, y, radius)
{
if(this.currentPath.points.length == 0)this.graphicsData.pop();
this.currentPath = {lineWidth:this.lineWidth, lineColor:this.lineColor, lineAlpha:this.lineAlpha,
fillColor:this.fillColor, fillAlpha:this.fillAlpha, fill:this.filling,
points:[x, y, radius, radius], type:PIXI.Graphics.CIRC};
this.graphicsData.push(this.currentPath);
this.dirty = true;
}
/**
* Draws an elipse.
*
* @method drawElipse
* @param x {Number}
* @param y {Number}
* @param width {Number}
* @param height {Number}
*/
PIXI.Graphics.prototype.drawElipse = function( x, y, width, height)
{
if(this.currentPath.points.length == 0)this.graphicsData.pop();
this.currentPath = {lineWidth:this.lineWidth, lineColor:this.lineColor, lineAlpha:this.lineAlpha,
fillColor:this.fillColor, fillAlpha:this.fillAlpha, fill:this.filling,
points:[x, y, width, height], type:PIXI.Graphics.ELIP};
this.graphicsData.push(this.currentPath);
this.dirty = true;
}
/**
* Clears the graphics that were drawn to this Graphics object, and resets fill and line style settings.
*
* @method clear
*/
PIXI.Graphics.prototype.clear = function()
{
this.lineWidth = 0;
this.filling = false;
this.dirty = true;
this.clearDirty = true;
this.graphicsData = [];
this.bounds = null//new PIXI.Rectangle();
}
PIXI.Graphics.prototype.updateFilterBounds = function()
{
if(!this.bounds)
{
var minX = Infinity;
var maxX = -Infinity;
var minY = Infinity;
var maxY = -Infinity;
var points, x, y;
for (var i = 0; i < this.graphicsData.length; i++) {
var data = this.graphicsData[i];
var type = data.type;
var lineWidth = data.lineWidth;
points = data.points;
if(type === PIXI.Graphics.RECT)
{
x = points.x - lineWidth/2;
y = points.y - lineWidth/2;
var width = points.width + lineWidth;
var height = points.height + lineWidth;
minX = x < minX ? x : minX;
maxX = x + width > maxX ? x + width : maxX;
minY = y < minY ? x : minY;
maxY = y + height > maxY ? y + height : maxY;
}
else if(type === PIXI.Graphics.CIRC || type === PIXI.Graphics.ELIP)
{
x = points.x;
y = points.y;
var radius = points.radius + lineWidth/2;
minX = x - radius < minX ? x - radius : minX;
maxX = x + radius > maxX ? x + radius : maxX;
minY = y - radius < minY ? y - radius : minY;
maxY = y + radius > maxY ? y + radius : maxY;
}
else
{
// POLY
for (var j = 0; j < points.length; j+=2)
{
x = points[j];
y = points[j+1];
minX = x-lineWidth < minX ? x-lineWidth : minX;
maxX = x+lineWidth > maxX ? x+lineWidth : maxX;
minY = y-lineWidth < minY ? y-lineWidth : minY;
maxY = y+lineWidth > maxY ? y+lineWidth : maxY;
};
}
};
this.bounds = new PIXI.Rectangle(minX, minY, maxX - minX, maxY - minY);
}
// console.log(this.bounds);
}
// SOME TYPES:
PIXI.Graphics.POLY = 0;
PIXI.Graphics.RECT = 1;
PIXI.Graphics.CIRC = 2;
PIXI.Graphics.ELIP = 3;
</pre>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
<script src="../assets/vendor/prettify/prettify-min.js"></script>
<script>prettyPrint();</script>
<script src="../assets/js/yui-prettify.js"></script>
<script src="../assets/../api.js"></script>
<script src="../assets/js/api-filter.js"></script>
<script src="../assets/js/api-list.js"></script>
<script src="../assets/js/api-search.js"></script>
<script src="../assets/js/apidocs.js"></script>
</body>
</html>
