phaser
Version:
A fast, free and fun HTML5 Game Framework for Desktop and Mobile web browsers.
1,427 lines (1,125 loc) • 80.5 kB
HTML
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Phaser Source: gameobjects/BitmapData.js</title>
<!--[if lt IE 9]>
<script src="//html5shiv.googlecode.com/svn/trunk/html5.js"></script>
<![endif]-->
<link type="text/css" rel="stylesheet" href="styles/sunlight.default.css">
<link type="text/css" rel="stylesheet" href="styles/site.cerulean.css">
</head>
<body>
<div class="container-fluid">
<div class="navbar navbar-fixed-top navbar-inverse">
<div class="navbar-inner">
<a class="brand" href="index.html">Phaser</a>
<ul class="nav">
<li class="dropdown">
<a href="namespaces.list.html" class="dropdown-toggle" data-toggle="dropdown">Namespaces<b
class="caret"></b></a>
<ul class="dropdown-menu ">
<li class="class-depth-0">
<a href="Phaser.html">Phaser</a>
</li>
</ul>
</li>
<li class="dropdown">
<a href="classes.list.html" class="dropdown-toggle" data-toggle="dropdown">Classes<b
class="caret"></b></a>
<ul class="dropdown-menu ">
<li class="class-depth-1">
<a href="Phaser.Animation.html">Animation</a>
</li>
<li class="class-depth-1">
<a href="Phaser.AnimationManager.html">AnimationManager</a>
</li>
<li class="class-depth-1">
<a href="Phaser.AnimationParser.html">AnimationParser</a>
</li>
<li class="class-depth-1">
<a href="Phaser.ArrayList.html">ArrayList</a>
</li>
<li class="class-depth-1">
<a href="Phaser.AudioSprite.html">AudioSprite</a>
</li>
<li class="class-depth-1">
<a href="Phaser.BitmapData.html">BitmapData</a>
</li>
<li class="class-depth-1">
<a href="Phaser.BitmapText.html">BitmapText</a>
</li>
<li class="class-depth-1">
<a href="Phaser.Button.html">Button</a>
</li>
<li class="class-depth-1">
<a href="Phaser.Cache.html">Cache</a>
</li>
<li class="class-depth-1">
<a href="Phaser.Camera.html">Camera</a>
</li>
<li class="class-depth-1">
<a href="Phaser.Canvas.html">Canvas</a>
</li>
<li class="class-depth-1">
<a href="Phaser.Circle.html">Circle</a>
</li>
<li class="class-depth-1">
<a href="Phaser.Color.html">Color</a>
</li>
<li class="class-depth-1">
<a href="Phaser.Device.html">Device</a>
</li>
<li class="class-depth-1">
<a href="Phaser.Easing.html">Easing</a>
</li>
<li class="class-depth-2">
<a href="Phaser.Easing.Back.html">Back</a>
</li>
<li class="class-depth-2">
<a href="Phaser.Easing.Bounce.html">Bounce</a>
</li>
<li class="class-depth-2">
<a href="Phaser.Easing.Circular.html">Circular</a>
</li>
<li class="class-depth-2">
<a href="Phaser.Easing.Cubic.html">Cubic</a>
</li>
<li class="class-depth-2">
<a href="Phaser.Easing.Elastic.html">Elastic</a>
</li>
<li class="class-depth-2">
<a href="Phaser.Easing.Exponential.html">Exponential</a>
</li>
<li class="class-depth-2">
<a href="Phaser.Easing.Linear.html">Linear</a>
</li>
<li class="class-depth-2">
<a href="Phaser.Easing.Quadratic.html">Quadratic</a>
</li>
<li class="class-depth-2">
<a href="Phaser.Easing.Quartic.html">Quartic</a>
</li>
<li class="class-depth-2">
<a href="Phaser.Easing.Quintic.html">Quintic</a>
</li>
<li class="class-depth-2">
<a href="Phaser.Easing.Sinusoidal.html">Sinusoidal</a>
</li>
<li class="class-depth-1">
<a href="Phaser.Ellipse.html">Ellipse</a>
</li>
<li class="class-depth-1">
<a href="Phaser.Events.html">Events</a>
</li>
<li class="class-depth-1">
<a href="Phaser.Filter.html">Filter</a>
</li>
<li class="class-depth-1">
<a href="Phaser.FlexGrid.html">FlexGrid</a>
</li>
<li class="class-depth-1">
<a href="Phaser.FlexLayer.html">FlexLayer</a>
</li>
<li class="class-depth-1">
<a href="Phaser.Frame.html">Frame</a>
</li>
<li class="class-depth-1">
<a href="Phaser.FrameData.html">FrameData</a>
</li>
<li class="class-depth-1">
<a href="Phaser.Game.html">Game</a>
</li>
<li class="class-depth-1">
<a href="Phaser.GameObjectCreator.html">GameObjectCreator</a>
</li>
<li class="class-depth-1">
<a href="Phaser.GameObjectFactory.html">GameObjectFactory</a>
</li>
<li class="class-depth-1">
<a href="Phaser.Gamepad.html">Gamepad</a>
</li>
<li class="class-depth-1">
<a href="Phaser.GamepadButton.html">GamepadButton</a>
</li>
<li class="class-depth-1">
<a href="Phaser.Graphics.html">Graphics</a>
</li>
<li class="class-depth-1">
<a href="Phaser.Group.html">Group</a>
</li>
<li class="class-depth-1">
<a href="Phaser.Image.html">Image</a>
</li>
<li class="class-depth-1">
<a href="Phaser.Input.html">Input</a>
</li>
<li class="class-depth-1">
<a href="Phaser.InputHandler.html">InputHandler</a>
</li>
<li class="class-depth-1">
<a href="Phaser.Key.html">Key</a>
</li>
<li class="class-depth-1">
<a href="Phaser.Keyboard.html">Keyboard</a>
</li>
<li class="class-depth-1">
<a href="Phaser.Line.html">Line</a>
</li>
<li class="class-depth-1">
<a href="Phaser.LinkedList.html">LinkedList</a>
</li>
<li class="class-depth-1">
<a href="Phaser.Loader.html">Loader</a>
</li>
<li class="class-depth-1">
<a href="Phaser.LoaderParser.html">LoaderParser</a>
</li>
<li class="class-depth-1">
<a href="Phaser.Math.html">Math</a>
</li>
<li class="class-depth-1">
<a href="Phaser.Mouse.html">Mouse</a>
</li>
<li class="class-depth-1">
<a href="Phaser.MSPointer.html">MSPointer</a>
</li>
<li class="class-depth-1">
<a href="Phaser.Net.html">Net</a>
</li>
<li class="class-depth-1">
<a href="Phaser.Particle.html">Particle</a>
</li>
<li class="class-depth-1">
<a href="Phaser.Particles.html">Particles</a>
</li>
<li class="class-depth-2">
<a href="Phaser.Particles.Arcade.html">Arcade</a>
</li>
<li class="class-depth-3">
<a href="Phaser.Particles.Arcade.Emitter.html">Emitter</a>
</li>
<li class="class-depth-1">
<a href="Phaser.Physics.html">Physics</a>
</li>
<li class="class-depth-2">
<a href="Phaser.Physics.Arcade.html">Arcade</a>
</li>
<li class="class-depth-3">
<a href="Phaser.Physics.Arcade.Body.html">Body</a>
</li>
<li class="class-depth-2">
<a href="Phaser.Physics.Ninja.html">Ninja</a>
</li>
<li class="class-depth-3">
<a href="Phaser.Physics.Ninja.AABB.html">AABB</a>
</li>
<li class="class-depth-3">
<a href="Phaser.Physics.Ninja.Body.html">Body</a>
</li>
<li class="class-depth-3">
<a href="Phaser.Physics.Ninja.Circle.html">Circle</a>
</li>
<li class="class-depth-3">
<a href="Phaser.Physics.Ninja.Tile.html">Tile</a>
</li>
<li class="class-depth-2">
<a href="Phaser.Physics.P2.html">P2</a>
</li>
<li class="class-depth-3">
<a href="Phaser.Physics.P2.Body.html">Body</a>
</li>
<li class="class-depth-3">
<a href="Phaser.Physics.P2.BodyDebug.html">BodyDebug</a>
</li>
<li class="class-depth-3">
<a href="Phaser.Physics.P2.CollisionGroup.html">CollisionGroup</a>
</li>
<li class="class-depth-3">
<a href="Phaser.Physics.P2.ContactMaterial.html">ContactMaterial</a>
</li>
<li class="class-depth-3">
<a href="Phaser.Physics.P2.DistanceConstraint.html">DistanceConstraint</a>
</li>
<li class="class-depth-3">
<a href="Phaser.Physics.P2.FixtureList.html">FixtureList</a>
</li>
<li class="class-depth-3">
<a href="Phaser.Physics.P2.GearConstraint.html">GearConstraint</a>
</li>
<li class="class-depth-3">
<a href="Phaser.Physics.P2.InversePointProxy.html">InversePointProxy</a>
</li>
<li class="class-depth-3">
<a href="Phaser.Physics.P2.LockConstraint.html">LockConstraint</a>
</li>
<li class="class-depth-3">
<a href="Phaser.Physics.P2.Material.html">Material</a>
</li>
<li class="class-depth-3">
<a href="Phaser.Physics.P2.PointProxy.html">PointProxy</a>
</li>
<li class="class-depth-3">
<a href="Phaser.Physics.P2.PrismaticConstraint.html">PrismaticConstraint</a>
</li>
<li class="class-depth-3">
<a href="Phaser.Physics.P2.RevoluteConstraint.html">RevoluteConstraint</a>
</li>
<li class="class-depth-3">
<a href="Phaser.Physics.P2.RotationalSpring.html">RotationalSpring</a>
</li>
<li class="class-depth-3">
<a href="Phaser.Physics.P2.Spring.html">Spring</a>
</li>
<li class="class-depth-1">
<a href="Phaser.Plugin.html">Plugin</a>
</li>
<li class="class-depth-1">
<a href="Phaser.PluginManager.html">PluginManager</a>
</li>
<li class="class-depth-1">
<a href="Phaser.Point.html">Point</a>
</li>
<li class="class-depth-1">
<a href="Phaser.Pointer.html">Pointer</a>
</li>
<li class="class-depth-1">
<a href="Phaser.Polygon.html">Polygon</a>
</li>
<li class="class-depth-1">
<a href="Phaser.QuadTree.html">QuadTree</a>
</li>
<li class="class-depth-1">
<a href="Phaser.RandomDataGenerator.html">RandomDataGenerator</a>
</li>
<li class="class-depth-1">
<a href="Phaser.Rectangle.html">Rectangle</a>
</li>
<li class="class-depth-1">
<a href="Phaser.RenderTexture.html">RenderTexture</a>
</li>
<li class="class-depth-1">
<a href="Phaser.RequestAnimationFrame.html">RequestAnimationFrame</a>
</li>
<li class="class-depth-1">
<a href="Phaser.RetroFont.html">RetroFont</a>
</li>
<li class="class-depth-1">
<a href="Phaser.Rope.html">Rope</a>
</li>
<li class="class-depth-1">
<a href="Phaser.ScaleManager.html">ScaleManager</a>
</li>
<li class="class-depth-1">
<a href="Phaser.Signal.html">Signal</a>
</li>
<li class="class-depth-1">
<a href="Phaser.SignalBinding.html">SignalBinding</a>
</li>
<li class="class-depth-1">
<a href="Phaser.SinglePad.html">SinglePad</a>
</li>
<li class="class-depth-1">
<a href="Phaser.Sound.html">Sound</a>
</li>
<li class="class-depth-1">
<a href="Phaser.SoundManager.html">SoundManager</a>
</li>
<li class="class-depth-1">
<a href="Phaser.Sprite.html">Sprite</a>
</li>
<li class="class-depth-1">
<a href="Phaser.SpriteBatch.html">SpriteBatch</a>
</li>
<li class="class-depth-1">
<a href="Phaser.Stage.html">Stage</a>
</li>
<li class="class-depth-1">
<a href="Phaser.State.html">State</a>
</li>
<li class="class-depth-1">
<a href="Phaser.StateManager.html">StateManager</a>
</li>
<li class="class-depth-1">
<a href="Phaser.Text.html">Text</a>
</li>
<li class="class-depth-1">
<a href="Phaser.Tile.html">Tile</a>
</li>
<li class="class-depth-1">
<a href="Phaser.Tilemap.html">Tilemap</a>
</li>
<li class="class-depth-1">
<a href="Phaser.TilemapLayer.html">TilemapLayer</a>
</li>
<li class="class-depth-1">
<a href="Phaser.TilemapParser.html">TilemapParser</a>
</li>
<li class="class-depth-1">
<a href="Phaser.Tileset.html">Tileset</a>
</li>
<li class="class-depth-1">
<a href="Phaser.TileSprite.html">TileSprite</a>
</li>
<li class="class-depth-1">
<a href="Phaser.Time.html">Time</a>
</li>
<li class="class-depth-1">
<a href="Phaser.Timer.html">Timer</a>
</li>
<li class="class-depth-1">
<a href="Phaser.TimerEvent.html">TimerEvent</a>
</li>
<li class="class-depth-1">
<a href="Phaser.Touch.html">Touch</a>
</li>
<li class="class-depth-1">
<a href="Phaser.Tween.html">Tween</a>
</li>
<li class="class-depth-1">
<a href="Phaser.TweenManager.html">TweenManager</a>
</li>
<li class="class-depth-1">
<a href="Phaser.Utils.html">Utils</a>
</li>
<li class="class-depth-2">
<a href="Phaser.Utils.Debug.html">Debug</a>
</li>
<li class="class-depth-1">
<a href="Phaser.World.html">World</a>
</li>
</ul>
</li>
</ul>
</div>
</div>
<div class="row-fluid">
<div class="span12">
<div id="main">
<h1 class="page-title">Source: gameobjects/BitmapData.js</h1>
<section>
<article>
<pre class="sunlight-highlight-javascript linenums">/**
* @author Richard Davey <rich@photonstorm.com>
* @copyright 2014 Photon Storm Ltd.
* @license {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License}
*/
/**
* A BitmapData object contains a Canvas element to which you can draw anything you like via normal Canvas context operations.
* A single BitmapData can be used as the texture for one or many Images/Sprites.
* So if you need to dynamically create a Sprite texture then they are a good choice.
*
* @class Phaser.BitmapData
* @constructor
* @param {Phaser.Game} game - A reference to the currently running game.
* @param {string} key - Internal Phaser reference key for the render texture.
* @param {number} [width=256] - The width of the BitmapData in pixels.
* @param {number} [height=256] - The height of the BitmapData in pixels.
*/
Phaser.BitmapData = function (game, key, width, height) {
if (typeof width === 'undefined') { width = 256; }
if (typeof height === 'undefined') { height = 256; }
/**
* @property {Phaser.Game} game - A reference to the currently running game.
*/
this.game = game;
/**
* @property {string} key - The key of the BitmapData in the Cache, if stored there.
*/
this.key = key;
/**
* @property {number} width - The width of the BitmapData in pixels.
*/
this.width = width;
/**
* @property {number} height - The height of the BitmapData in pixels.
*/
this.height = height;
/**
* @property {HTMLCanvasElement} canvas - The canvas to which this BitmapData draws.
* @default
*/
this.canvas = Phaser.Canvas.create(width, height, '', true);
/**
* @property {CanvasRenderingContext2D} context - The 2d context of the canvas.
* @default
*/
this.context = this.canvas.getContext('2d');
/**
* @property {CanvasRenderingContext2D} ctx - A reference to BitmapData.context.
*/
this.ctx = this.context;
/**
* @property {ImageData} imageData - The context image data.
*/
this.imageData = this.context.getImageData(0, 0, width, height);
/**
* @property {Uint8ClampedArray} data - A Uint8ClampedArray view into BitmapData.buffer.
*/
this.data = this.imageData.data;
/**
* @property {Uint32Array} pixels - An Uint32Array view into BitmapData.buffer.
*/
this.pixels = null;
/**
* @property {ArrayBuffer} buffer - An ArrayBuffer the same size as the context ImageData.
*/
if (this.imageData.data.buffer)
{
this.buffer = this.imageData.data.buffer;
this.pixels = new Uint32Array(this.buffer);
}
else
{
if (window['ArrayBuffer'])
{
this.buffer = new ArrayBuffer(this.imageData.data.length);
this.pixels = new Uint32Array(this.buffer);
}
else
{
this.pixels = this.imageData.data;
}
}
/**
* @property {PIXI.BaseTexture} baseTexture - The PIXI.BaseTexture.
* @default
*/
this.baseTexture = new PIXI.BaseTexture(this.canvas);
/**
* @property {PIXI.Texture} texture - The PIXI.Texture.
* @default
*/
this.texture = new PIXI.Texture(this.baseTexture);
/**
* @property {Phaser.Frame} textureFrame - The Frame this BitmapData uses for rendering.
* @default
*/
this.textureFrame = new Phaser.Frame(0, 0, 0, width, height, 'bitmapData', game.rnd.uuid());
this.texture.frame = this.textureFrame;
/**
* @property {number} type - The const type of this object.
* @default
*/
this.type = Phaser.BITMAPDATA;
/**
* @property {boolean} disableTextureUpload - If disableTextureUpload is true this BitmapData will never send its image data to the GPU when its dirty flag is true.
*/
this.disableTextureUpload = false;
/**
* @property {boolean} dirty - If dirty this BitmapData will be re-rendered.
*/
this.dirty = false;
// Aliases
this.cls = this.clear;
/**
* @property {number} _image - Internal cache var.
* @private
*/
this._image = null;
/**
* @property {Phaser.Point} _pos - Internal cache var.
* @private
*/
this._pos = new Phaser.Point();
/**
* @property {Phaser.Point} _size - Internal cache var.
* @private
*/
this._size = new Phaser.Point();
/**
* @property {Phaser.Point} _scale - Internal cache var.
* @private
*/
this._scale = new Phaser.Point();
/**
* @property {number} _rotate - Internal cache var.
* @private
*/
this._rotate = 0;
/**
* @property {Object} _alpha - Internal cache var.
* @private
*/
this._alpha = { prev: 1, current: 1 };
/**
* @property {Phaser.Point} _anchor - Internal cache var.
* @private
*/
this._anchor = new Phaser.Point();
/**
* @property {number} _tempR - Internal cache var.
* @private
*/
this._tempR = 0;
/**
* @property {number} _tempG - Internal cache var.
* @private
*/
this._tempG = 0;
/**
* @property {number} _tempB - Internal cache var.
* @private
*/
this._tempB = 0;
/**
* @property {Phaser.Circle} _circle - Internal cache var.
* @private
*/
this._circle = new Phaser.Circle();
};
Phaser.BitmapData.prototype = {
/**
* Updates the given objects so that they use this BitmapData as their texture. This will replace any texture they will currently have set.
*
* @method Phaser.BitmapData#add
* @param {Phaser.Sprite|Phaser.Sprite[]|Phaser.Image|Phaser.Image[]} object - Either a single Sprite/Image or an Array of Sprites/Images.
* @return {Phaser.BitmapData} This BitmapData object for method chaining.
*/
add: function (object) {
if (Array.isArray(object))
{
for (var i = 0; i < object.length; i++)
{
if (object[i]['loadTexture'])
{
object[i].loadTexture(this);
}
}
}
else
{
object.loadTexture(this);
}
return this;
},
/**
* Takes the given Game Object, resizes this BitmapData to match it and then draws it into this BitmapDatas canvas, ready for further processing.
* The source game object is not modified by this operation.
* If the source object uses a texture as part of a Texture Atlas or Sprite Sheet, only the current frame will be used for sizing.
* If a string is given it will assume it's a cache key and look in Phaser.Cache for an image key matching the string.
*
* @method Phaser.BitmapData#load
* @param {Phaser.Sprite|Phaser.Image|Phaser.Text|Phaser.BitmapData|HTMLImage|HTMLCanvasElement|string} source - The object that will be used to populate this BitmapData. If you give a string it will try and find the Image in the Game.Cache first.
* @return {Phaser.BitmapData} This BitmapData object for method chaining.
*/
load: function (source) {
if (typeof source === 'string')
{
source = this.game.cache.getImage(source);
}
if (source)
{
this.resize(source.width, source.height);
this.cls();
}
else
{
return;
}
this.draw(source);
this.update();
return this;
},
/**
* Clears the BitmapData context using a clearRect.
*
* @method Phaser.BitmapData#cls
*/
/**
* Clears the BitmapData context using a clearRect.
*
* @method Phaser.BitmapData#clear
* @return {Phaser.BitmapData} This BitmapData object for method chaining.
*/
clear: function () {
this.context.clearRect(0, 0, this.width, this.height);
this.dirty = true;
return this;
},
/**
* Fills the BitmapData with the given color.
*
* @method Phaser.BitmapData#fill
* @param {number} r - The red color value, between 0 and 0xFF (255).
* @param {number} g - The green color value, between 0 and 0xFF (255).
* @param {number} b - The blue color value, between 0 and 0xFF (255).
* @param {number} [a=1] - The alpha color value, between 0 and 1.
* @return {Phaser.BitmapData} This BitmapData object for method chaining.
*/
fill: function (r, g, b, a) {
if (typeof a === 'undefined') { a = 1; }
this.context.fillStyle = 'rgba(' + r + ',' + g + ',' + b + ',' + a + ')';
this.context.fillRect(0, 0, this.width, this.height);
this.dirty = true;
return this;
},
/**
* Resizes the BitmapData. This changes the size of the underlying canvas and refreshes the buffer.
*
* @method Phaser.BitmapData#resize
* @return {Phaser.BitmapData} This BitmapData object for method chaining.
*/
resize: function (width, height) {
if (width !== this.width || height !== this.height)
{
this.width = width;
this.height = height;
this.canvas.width = width;
this.canvas.height = height;
this.baseTexture.width = width;
this.baseTexture.height = height;
this.textureFrame.width = width;
this.textureFrame.height = height;
this.texture.width = width;
this.texture.height = height;
this.texture.crop.width = width;
this.texture.crop.height = height;
this.update();
this.dirty = true;
}
return this;
},
/**
* This re-creates the BitmapData.imageData from the current context.
* It then re-builds the ArrayBuffer, the data Uint8ClampedArray reference and the pixels Int32Array.
* If not given the dimensions defaults to the full size of the context.
*
* @method Phaser.BitmapData#update
* @param {number} [x=0] - The x coordinate of the top-left of the image data area to grab from.
* @param {number} [y=0] - The y coordinate of the top-left of the image data area to grab from.
* @param {number} [width] - The width of the image data area.
* @param {number} [height] - The height of the image data area.
* @return {Phaser.BitmapData} This BitmapData object for method chaining.
*/
update: function (x, y, width, height) {
if (typeof x === 'undefined') { x = 0; }
if (typeof y === 'undefined') { y = 0; }
if (typeof width === 'undefined') { width = this.width; }
if (typeof height === 'undefined') { height = this.height; }
this.imageData = this.context.getImageData(x, y, width, height);
this.data = this.imageData.data;
if (this.imageData.data.buffer)
{
this.buffer = this.imageData.data.buffer;
this.pixels = new Uint32Array(this.buffer);
}
else
{
if (window['ArrayBuffer'])
{
this.buffer = new ArrayBuffer(this.imageData.data.length);
this.pixels = new Uint32Array(this.buffer);
}
else
{
this.pixels = this.imageData.data;
}
}
return this;
},
/**
* Scans through the area specified in this BitmapData and sends a color object for every pixel to the given callback.
* The callback will be sent a color object with 6 properties: `{ r: number, g: number, b: number, a: number, color: number, rgba: string }`.
* Where r, g, b and a are integers between 0 and 255 representing the color component values for red, green, blue and alpha.
* The `color` property is an Int32 of the full color. Note the endianess of this will change per system.
* The `rgba` property is a CSS style rgba() string which can be used with context.fillStyle calls, among others.
* The callback will also be sent the pixels x and y coordinates respectively.
* The callback must return either `false`, in which case no change will be made to the pixel, or a new color object.
* If a new color object is returned the pixel will be set to the r, g, b and a color values given within it.
*
* @method Phaser.BitmapData#processPixelRGB
* @param {function} callback - The callback that will be sent each pixel color object to be processed.
* @param {object} callbackContext - The context under which the callback will be called.
* @param {number} [x=0] - The x coordinate of the top-left of the region to process from.
* @param {number} [y=0] - The y coordinate of the top-left of the region to process from.
* @param {number} [width] - The width of the region to process.
* @param {number} [height] - The height of the region to process.
* @return {Phaser.BitmapData} This BitmapData object for method chaining.
*/
processPixelRGB: function (callback, callbackContext, x, y, width, height) {
if (typeof x === 'undefined') { x = 0; }
if (typeof y === 'undefined') { y = 0; }
if (typeof width === 'undefined') { width = this.width; }
if (typeof height === 'undefined') { height = this.height; }
var w = x + width;
var h = y + height;
var pixel = Phaser.Color.createColor();
var result = { r: 0, g: 0, b: 0, a: 0 };
var dirty = false;
for (var ty = y; ty < h; ty++)
{
for (var tx = x; tx < w; tx++)
{
Phaser.Color.unpackPixel(this.getPixel32(tx, ty), pixel);
result = callback.call(callbackContext, pixel, tx, ty);
if (result !== false && result !== null && result !== undefined)
{
this.setPixel32(tx, ty, result.r, result.g, result.b, result.a, false);
dirty = true;
}
}
}
if (dirty)
{
this.context.putImageData(this.imageData, 0, 0);
this.dirty = true;
}
return this;
},
/**
* Scans through the area specified in this BitmapData and sends the color for every pixel to the given callback along with its x and y coordinates.
* Whatever value the callback returns is set as the new color for that pixel, unless it returns the same color, in which case it's skipped.
* Note that the format of the color received will be different depending on if the system is big or little endian.
* It is expected that your callback will deal with endianess. If you'd rather Phaser did it then use processPixelRGB instead.
* The callback will also be sent the pixels x and y coordinates respectively.
*
* @method Phaser.BitmapData#processPixel
* @param {function} callback - The callback that will be sent each pixel color to be processed.
* @param {object} callbackContext - The context under which the callback will be called.
* @param {number} [x=0] - The x coordinate of the top-left of the region to process from.
* @param {number} [y=0] - The y coordinate of the top-left of the region to process from.
* @param {number} [width] - The width of the region to process.
* @param {number} [height] - The height of the region to process.
* @return {Phaser.BitmapData} This BitmapData object for method chaining.
*/
processPixel: function (callback, callbackContext, x, y, width, height) {
if (typeof x === 'undefined') { x = 0; }
if (typeof y === 'undefined') { y = 0; }
if (typeof width === 'undefined') { width = this.width; }
if (typeof height === 'undefined') { height = this.height; }
var w = x + width;
var h = y + height;
var pixel = 0;
var result = 0;
var dirty = false;
for (var ty = y; ty < h; ty++)
{
for (var tx = x; tx < w; tx++)
{
pixel = this.getPixel32(tx, ty);
result = callback.call(callbackContext, pixel, tx, ty);
if (result !== pixel)
{
this.pixels[ty * this.width + tx] = result;
dirty = true;
}
}
}
if (dirty)
{
this.context.putImageData(this.imageData, 0, 0);
this.dirty = true;
}
return this;
},
/**
* Replaces all pixels matching one color with another. The color values are given as two sets of RGBA values.
* An optional region parameter controls if the replacement happens in just a specific area of the BitmapData or the entire thing.
*
* @method Phaser.BitmapData#replaceRGB
* @param {number} r1 - The red color value to be replaced. Between 0 and 255.
* @param {number} g1 - The green color value to be replaced. Between 0 and 255.
* @param {number} b1 - The blue color value to be replaced. Between 0 and 255.
* @param {number} a1 - The alpha color value to be replaced. Between 0 and 255.
* @param {number} r2 - The red color value that is the replacement color. Between 0 and 255.
* @param {number} g2 - The green color value that is the replacement color. Between 0 and 255.
* @param {number} b2 - The blue color value that is the replacement color. Between 0 and 255.
* @param {number} a2 - The alpha color value that is the replacement color. Between 0 and 255.
* @param {Phaser.Rectangle} [region] - The area to perform the search over. If not given it will replace over the whole BitmapData.
* @return {Phaser.BitmapData} This BitmapData object for method chaining.
*/
replaceRGB: function (r1, g1, b1, a1, r2, g2, b2, a2, region) {
var sx = 0;
var sy = 0;
var w = this.width;
var h = this.height;
var source = Phaser.Color.packPixel(r1, g1, b1, a1);
if (region !== undefined && region instanceof Phaser.Rectangle)
{
sx = region.x;
sy = region.y;
w = region.width;
h = region.height;
}
for (var y = 0; y < h; y++)
{
for (var x = 0; x < w; x++)
{
if (this.getPixel32(sx + x, sy + y) === source)
{
this.setPixel32(sx + x, sy + y, r2, g2, b2, a2, false);
}
}
}
this.context.putImageData(this.imageData, 0, 0);
this.dirty = true;
return this;
},
/**
* Sets the hue, saturation and lightness values on every pixel in the given region, or the whole BitmapData if no region was specified.
*
* @method Phaser.BitmapData#setHSL
* @param {number} [h=null] - The hue, in the range 0 - 1.
* @param {number} [s=null] - The saturation, in the range 0 - 1.
* @param {number} [l=null] - The lightness, in the range 0 - 1.
* @param {Phaser.Rectangle} [region] - The area to perform the operation on. If not given it will run over the whole BitmapData.
* @return {Phaser.BitmapData} This BitmapData object for method chaining.
*/
setHSL: function (h, s, l, region) {
if (typeof h === 'undefined' || h === null) { h = false; }
if (typeof s === 'undefined' || s === null) { s = false; }
if (typeof l === 'undefined' || l === null) { l = false; }
if (!h && !s && !l)
{
return;
}
if (typeof region === 'undefined')
{
region = new Phaser.Rectangle(0, 0, this.width, this.height);
}
var pixel = Phaser.Color.createColor();
for (var y = region.y; y < region.bottom; y++)
{
for (var x = region.x; x < region.right; x++)
{
Phaser.Color.unpackPixel(this.getPixel32(x, y), pixel, true);
if (h)
{
pixel.h = h;
}
if (s)
{
pixel.s = s;
}
if (l)
{
pixel.l = l;
}
Phaser.Color.HSLtoRGB(pixel.h, pixel.s, pixel.l, pixel);
this.setPixel32(x, y, pixel.r, pixel.g, pixel.b, pixel.a, false);
}
}
this.context.putImageData(this.imageData, 0, 0);
this.dirty = true;
return this;
},
/**
* Shifts any or all of the hue, saturation and lightness values on every pixel in the given region, or the whole BitmapData if no region was specified.
* Shifting will add the given value onto the current h, s and l values, not replace them.
* The hue is wrapped to keep it within the range 0 to 1. Saturation and lightness are clamped to not exceed 1.
*
* @method Phaser.BitmapData#shiftHSL
* @param {number} [h=null] - The amount to shift the hue by.
* @param {number} [s=null] - The amount to shift the saturation by.
* @param {number} [l=null] - The amount to shift the lightness by.
* @param {Phaser.Rectangle} [region] - The area to perform the operation on. If not given it will run over the whole BitmapData.
* @return {Phaser.BitmapData} This BitmapData object for method chaining.
*/
shiftHSL: function (h, s, l, region) {
if (typeof h === 'undefined' || h === null) { h = false; }
if (typeof s === 'undefined' || s === null) { s = false; }
if (typeof l === 'undefined' || l === null) { l = false; }
if (!h && !s && !l)
{
return;
}
if (typeof region === 'undefined')
{
region = new Phaser.Rectangle(0, 0, this.width, this.height);
}
var pixel = Phaser.Color.createColor();
for (var y = region.y; y < region.bottom; y++)
{
for (var x = region.x; x < region.right; x++)
{
Phaser.Color.unpackPixel(this.getPixel32(x, y), pixel, true);
if (h)
{
pixel.h = this.game.math.wrap(pixel.h + h, 0, 1);
}
if (s)
{
pixel.s = this.game.math.limitValue(pixel.s + s, 0, 1);
}
if (l)
{
pixel.l = this.game.math.limitValue(pixel.l + l, 0, 1);
}
Phaser.Color.HSLtoRGB(pixel.h, pixel.s, pixel.l, pixel);
this.setPixel32(x, y, pixel.r, pixel.g, pixel.b, pixel.a, false);
}
}
this.context.putImageData(this.imageData, 0, 0);
this.dirty = true;
return this;
},
/**
* Sets the color of the given pixel to the specified red, green, blue and alpha values.
*
* @method Phaser.BitmapData#setPixel32
* @param {number} x - The x coordinate of the pixel to be set. Must lay within the dimensions of this BitmapData.
* @param {number} y - The y coordinate of the pixel to be set. Must lay within the dimensions of this BitmapData.
* @param {number} red - The red color value, between 0 and 0xFF (255).
* @param {number} green - The green color value, between 0 and 0xFF (255).
* @param {number} blue - The blue color value, between 0 and 0xFF (255).
* @param {number} alpha - The alpha color value, between 0 and 0xFF (255).
* @param {boolean} [immediate=true] - If `true` the context.putImageData will be called and the dirty flag set.
* @return {Phaser.BitmapData} This BitmapData object for method chaining.
*/
setPixel32: function (x, y, red, green, blue, alpha, immediate) {
if (typeof immediate === 'undefined') { immediate = true; }
if (x >= 0 && x <= this.width && y >= 0 && y <= this.height)
{
if (Phaser.Device.LITTLE_ENDIAN)
{
this.pixels[y * this.width + x] = (alpha << 24) | (blue << 16) | (green << 8) | red;
}
else
{
this.pixels[y * this.width + x] = (red << 24) | (green << 16) | (blue << 8) | alpha;
}
if (immediate)
{
this.context.putImageData(this.imageData, 0, 0);
this.dirty = true;
}
}
return this;
},
/**
* Sets the color of the given pixel to the specified red, green and blue values.
*
* @method Phaser.BitmapData#setPixel
* @param {number} x - The x coordinate of the pixel to be set. Must lay within the dimensions of this BitmapData.
* @param {number} y - The y coordinate of the pixel to be set. Must lay within the dimensions of this BitmapData.
* @param {number} red - The red color value, between 0 and 0xFF (255).
* @param {number} green - The green color value, between 0 and 0xFF (255).
* @param {number} blue - The blue color value, between 0 and 0xFF (255).
* @param {number} alpha - The alpha color value, between 0 and 0xFF (255).
* @param {boolean} [immediate=true] - If `true` the context.putImageData will be called and the dirty flag set.
* @return {Phaser.BitmapData} This BitmapData object for method chaining.
*/
setPixel: function (x, y, red, green, blue, immediate) {
return this.setPixel32(x, y, red, green, blue, 255, immediate);
},
/**
* Get the color of a specific pixel in the context into a color object.
* If you have drawn anything to the BitmapData since it was created you must call BitmapData.update to refresh the array buffer,
* otherwise this may return out of date color values, or worse - throw a run-time error as it tries to access an array element that doesn't exist.
*
* @method Phaser.BitmapData#getPixel
* @param {number} x - The x coordinate of the pixel to be set. Must lay within the dimensions of this BitmapData.
* @param {number} y - The y coordinate of the pixel to be set. Must lay within the dimensions of this BitmapData.
* @param {object} [out] - An object into which 4 properties will be created: r, g, b and a. If not provided a new object will be created.
* @return {object} An object with the red, green, blue and alpha values set in the r, g, b and a properties.
*/
getPixel: function (x, y, out) {
if (!out)
{
out = Phaser.Color.createColor();
}
var index = ~~(x + (y * this.width));
index *= 4;
out.r = this.data[index];
out.g = this.data[++index];
out.b = this.data[++index];
out.a = this.data[++index];
return out;
},
/**
* Get the color of a specific pixel including its alpha value.
* If you have drawn anything to the BitmapData since it was created you must call BitmapData.update to refresh the array buffer,
* otherwise this may return out of date color values, or worse - throw a run-time error as it tries to access an array element that doesn't exist.
* Note that on little-endian systems the format is 0xAABBGGRR and on big-endian the format is 0xRRGGBBAA.
*
* @method Phaser.BitmapData#getPixel32
* @param {number} x - The x coordinate of the pixel to be set. Must lay within the dimensions of this BitmapData.
* @param {number} y - The y coordinate of the pixel to be set. Must lay within the dimensions of this BitmapData.
* @return {number} A native color value integer (format: 0xAARRGGBB)
*/
getPixel32: function (x, y) {
if (x >= 0 && x <= this.width && y >= 0 && y <= this.height)
{
return this.pixels[y * this.width + x];
}
},
/**
* Get the color of a specific pixel including its alpha value as a color object containing r,g,b,a and rgba properties.
* If you have drawn anything to the BitmapData since it was created you must call BitmapData.update to refresh the array buffer,
* otherwise this may return out of date color values, or worse - throw a run-time error as it tries to access an array element that doesn't exist.
*
* @method Phaser.BitmapData#getPixelRGB
* @param {number} x - The x coordinate of the pixel to be set. Must lay within the dimensions of this BitmapData.
* @param {number} y - The y coordinate of the pixel to be set. Must lay within the dimensions of this BitmapData.
* @param {object} [out] - An object into which 3 properties will be created: r, g and b. If not provided a new object will be created.
* @param {boolean} [hsl=false] - Also convert the rgb values into hsl?
* @param {boolean} [hsv=false] - Also convert the rgb values into hsv?
* @return {object} An object with the red, green and blue values set in the r, g and b properties.
*/
getPixelRGB: function (x, y, out, hsl, hsv) {
return Phaser.Color.unpackPixel(this.getPixel32(x, y), out, hsl, hsv);
},
/**
* Gets all the pixels from the region specified by the given Rectangle object.
*
* @method Phaser.BitmapData#getPixels
* @param {Phaser.Rectangle} rect - The Rectangle region to get.
* @return {ImageData} Returns a ImageData object containing a Uint8ClampedArray data property.
*/
getPixels: function (rect) {
return this.context.getImageData(rect.x, rect.y, rect.width, rect.height);
},
/**
* Creates a new Phaser.Image object, assigns this BitmapData to be its texture, adds it to the world then returns it.
*
* @method Phaser.BitmapData#addToWorld
* @param {number} [x=0] - The x coordinate to place the Image at.
* @param {number} [y=0] - The y coordinate to place the Image at.
* @param {number} [anchorX=0] - Set the x anchor point of the Image. A value between 0 and 1, where 0 is the top-left and 1 is bottom-right.
* @param {number} [anchorY=0] - Set the y anchor point of the Image. A value between 0 and 1, where 0 is the top-left and 1 is bottom-right.
* @param {number} [scaleX=1] - The horizontal scale factor of the Image. A value of 1 means no scaling. 2 would be twice the size, and so on.
* @param {number} [scaleY=1] - The vertical scale factor of the Image. A value of 1 means no scaling. 2 would be twice the size, and so on.
* @return {Phaser.Image} The newly added Image object.
*/
addToWorld: function (x, y, anchorX, anchorY, scaleX, scaleY) {
scaleX = scaleX || 1;
scaleY = scaleY || 1;
var image = this.game.add.image(x, y, this);
image.anchor.set(anchorX, anchorY);
image.scale.set(scaleX, scaleY);
return image;
},
/**
* Copies a rectangular area from the source object to this BitmapData. If you give `null` as the source it will copy from itself.
* You can optionally resize, translate, rotate, scale, alpha or blend as it's drawn.
* All rotation, scaling and drawing takes place around the regions center point by default, but can be changed with the anchor parameters.
* Note that the source image can also be this BitmapData, which can create some interesting effects.
*
* This method has a lot of parameters for maximum control.
* You can use the more friendly methods like `copyRect` and `draw` to avoid having to remember them all.
*
* @method Phaser.BitmapData#copy
* @param {Phaser.Sprite|Phaser.Image|Phaser.Text|Phaser.BitmapData|HTMLImage|HTMLCanvasElement|string} [source] - The source to copy from. If you give a string it will try and find the Image in the Game.Cache first. This is quite expensive so try to provide the image itself.
* @param {number} [x=0] - The x coordinate representing the top-left of the region to copy from the source image.
* @param {number} [y=0] - The y coordinate representing the top-left of the region to copy from the source image.
* @param {number} [width] - The width of the region to copy from the source image. If not specified it will use the full source image width.
* @param {number} [height] - The height of the region to copy from the source image. If not specified it will use the full source image height.
* @param {number} [tx] - The x coordinate to translate to before drawing. If not specified it will default to the `x` parameter.
* @param {number} [ty] - The y coordinate to translate to before drawing. If not specified it will default to the `y` parameter.
* @param {number} [newWidth] - The new width of the block being copied. If not specified it will default to the `width` parameter.
* @param {number} [newHeight] - The new height of the block being copied. If not specified it will default to the `height` parameter.
* @param {number} [rotate=0] - The angle in radians to rotate the block to before drawing. Rotation takes place around the center by default, but can be changed with the `anchor` parameters.
* @param {number} [anchorX=0] - The anchor point around which the block is rotated and scaled. A value between 0 and 1, where 0 is the top-left and 1 is bottom-right.
* @param {number} [anchorY=0] - The anchor point around which the block is rotated and scaled. A value between 0 and 1, where 0 is the top-left and 1 is bottom-right.
* @param {number} [scaleX=1] - The horizontal scale factor of the block. A value of 1 means no scaling. 2 would be twice the size, and so on.
* @param {number} [scaleY=1] - The vertical scale factor of the block. A value of 1 means no scaling. 2 would be twice the size, and so on.
* @param {number} [alpha=1] - The alpha that will be set on the context before drawing. A value between 0 (fully transparent) and 1, opaque.
* @param {number} [blendMode=null] - The composite blend mode that will be used when drawing. The default is no blend mode at all.
* @param {boolean} [roundPx=false] - Should the x and y values be rounded to integers before drawing? This prevents anti-aliasing in some instances.
* @return {Phaser.BitmapData} This BitmapData object for method chaining.
*/
copy: function (source, x, y, width, height, tx, ty, newWidth, newHeight, rotate, anchorX, anchorY, scaleX, scaleY, alpha, blendMode, roundPx) {
if (typeof source === 'undefined' || source === null) { source = this; }
this._image = source;
if (source instanceof Phaser.Sprite || source instan