2016-12-05 10:06:09 +00:00
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< a href = "PIXI.PIXI.html" > PIXI< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.PixiFastShader.html" > PixiFastShader< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.PixiShader.html" > PixiShader< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.PrimitiveShader.html" > PrimitiveShader< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.Sprite.html" > Sprite< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.StripShader.html" > StripShader< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.Texture.html" > Texture< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.WebGLBlendModeManager.html" > WebGLBlendModeManager< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.WebGLFastSpriteBatch.html" > WebGLFastSpriteBatch< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.WebGLFilterManager.html" > WebGLFilterManager< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.WebGLRenderer.html" > WebGLRenderer< / a >
< / li >
< / ul >
< / li >
< li class = "dropdown" >
< a href = "global.html" class = "dropdown-toggle" data-toggle = "dropdown" > Global< b
class="caret">< / b > < / a >
< ul class = "dropdown-menu " >
< li class = "class-depth-0" >
< a href = "global.html#ANGLE_DOWN" > ANGLE_DOWN< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#ANGLE_LEFT" > ANGLE_LEFT< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#ANGLE_NORTH_EAST" > ANGLE_NORTH_EAST< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#ANGLE_NORTH_WEST" > ANGLE_NORTH_WEST< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#ANGLE_RIGHT" > ANGLE_RIGHT< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#ANGLE_SOUTH_EAST" > ANGLE_SOUTH_EAST< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#ANGLE_SOUTH_WEST" > ANGLE_SOUTH_WEST< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#ANGLE_UP" > ANGLE_UP< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#arc" > arc< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#AUTO" > AUTO< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#beginFill" > beginFill< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#bezierCurveTo" > bezierCurveTo< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#BITMAPDATA" > BITMAPDATA< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#BITMAPTEXT" > BITMAPTEXT< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#blendModes" > blendModes< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#BOTTOM_CENTER" > BOTTOM_CENTER< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#BOTTOM_LEFT" > BOTTOM_LEFT< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#BOTTOM_RIGHT" > BOTTOM_RIGHT< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#BUTTON" > BUTTON< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#CANVAS" > CANVAS< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#CANVAS_FILTER" > CANVAS_FILTER< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#CENTER" > CENTER< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#CIRCLE" > CIRCLE< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#clear" > clear< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#CREATURE" > CREATURE< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#destroyCachedSprite" > destroyCachedSprite< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#displayList" > displayList< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#DOWN" > DOWN< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#drawCircle" > drawCircle< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#drawEllipse" > drawEllipse< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#drawPolygon" > drawPolygon< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#drawRect" > drawRect< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#drawRoundedRect" > drawRoundedRect< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#drawShape" > drawShape< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#ELLIPSE" > ELLIPSE< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#emit" > emit< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#EMITTER" > EMITTER< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#endFill" > endFill< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#GAMES" > GAMES< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#generateTexture" > generateTexture< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#getBounds" > getBounds< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#getLocalBounds" > getLocalBounds< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#GRAPHICS" > GRAPHICS< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#GROUP" > GROUP< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#HEADLESS" > HEADLESS< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#HORIZONTAL" > HORIZONTAL< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#IMAGE" > IMAGE< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#LANDSCAPE" > LANDSCAPE< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#LEFT" > LEFT< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#LEFT_BOTTOM" > LEFT_BOTTOM< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#LEFT_CENTER" > LEFT_CENTER< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#LEFT_TOP" > LEFT_TOP< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#LINE" > LINE< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#lineStyle" > lineStyle< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#lineTo" > lineTo< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#listeners" > listeners< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#MATRIX" > MATRIX< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#mixin" > mixin< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#moveTo" > moveTo< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#NONE" > NONE< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#off" > off< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#on" > on< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#once" > once< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#PENDING_ATLAS" > PENDING_ATLAS< / a >
< / li >
< li class = "class-depth-2" >
< a href = "global.html#Phaser.Path#numPointsreturn%257Bnumber%257DThetotalnumberofPathPointsinthisPath." > Phaser.Path#numPoints
return {number} The total number of PathPoints in this Path.< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#POINT" > POINT< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#POINTER" > POINTER< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#POLYGON" > POLYGON< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#PORTRAIT" > PORTRAIT< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#quadraticCurveTo" > quadraticCurveTo< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#RECTANGLE" > RECTANGLE< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#removeAllListeners" > removeAllListeners< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#RENDERTEXTURE" > RENDERTEXTURE< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#RETROFONT" > RETROFONT< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#RIGHT" > RIGHT< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#RIGHT_BOTTOM" > RIGHT_BOTTOM< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#RIGHT_CENTER" > RIGHT_CENTER< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#RIGHT_TOP" > RIGHT_TOP< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#ROPE" > ROPE< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#ROUNDEDRECTANGLE" > ROUNDEDRECTANGLE< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#scaleModes" > scaleModes< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#SPRITE" > SPRITE< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#SPRITEBATCH" > SPRITEBATCH< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#stopImmediatePropagation" > stopImmediatePropagation< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#stopPropagation" > stopPropagation< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#TEXT" > TEXT< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#TILEMAP" > TILEMAP< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#TILEMAPLAYER" > TILEMAPLAYER< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#TILESPRITE" > TILESPRITE< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#TOP_CENTER" > TOP_CENTER< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#TOP_LEFT" > TOP_LEFT< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#TOP_RIGHT" > TOP_RIGHT< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#UP" > UP< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#updateLocalBounds" > updateLocalBounds< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#VERSION" > VERSION< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#VERTICAL" > VERTICAL< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#VIDEO" > VIDEO< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#WEBGL" > WEBGL< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#WEBGL_FILTER" > WEBGL_FILTER< / a >
< / li >
< li class = "class-depth-0" >
< a href = "global.html#WEBGL_MULTI" > WEBGL_MULTI< / a >
< / li >
< / ul >
< / li >
< li class = "dropdown" >
< a href = "#" class = "dropdown-toggle" data-toggle = "dropdown" > Core< b class = "caret" > < / b > < / a >
< ul class = "dropdown-menu " >
< li class = "class-depth-1" > < a href = "Phaser.Game.html" > Game< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Group.html" > Group< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.World.html" > World< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Loader.html" > Loader< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Cache.html" > Cache< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Time.html" > Time< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Camera.html" > Camera< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.StateManager.html" > State Manager< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.TweenManager.html" > Tween Manager< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.SoundManager.html" > Sound Manager< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Input.html" > Input Manager< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.ScaleManager.html" > Scale Manager< / a > < / li >
< / ul >
< / li >
< li class = "dropdown" >
< a href = "#" class = "dropdown-toggle" data-toggle = "dropdown" > Game Objects< b class = "caret" > < / b > < / a >
< ul class = "dropdown-menu " >
< li class = "class-depth-1" > < a href = "Phaser.GameObjectFactory.html" > Factory (game.add)< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.GameObjectCreator.html" > Creator (game.make)< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Sprite.html" > Sprite< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Image.html" > Image< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Sound.html" > Sound< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Video.html" > Video< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Particles.Arcade.Emitter.html" > Particle Emitter< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Particle.html" > Particle< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Text.html" > Text< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Tween.html" > Tween< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.BitmapText.html" > BitmapText< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Tilemap.html" > Tilemap< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.BitmapData.html" > BitmapData< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.RetroFont.html" > RetroFont< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Button.html" > Button< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Animation.html" > Animation< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Graphics.html" > Graphics< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.RenderTexture.html" > RenderTexture< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.TileSprite.html" > TileSprite< / a > < / li >
< / ul >
< / li >
< li class = "dropdown" >
< a href = "#" class = "dropdown-toggle" data-toggle = "dropdown" > Geometry< b class = "caret" > < / b > < / a >
< ul class = "dropdown-menu " >
< li class = "class-depth-1" > < a href = "Phaser.Circle.html" > Circle< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Ellipse.html" > Ellipse< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Line.html" > Line< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Matrix.html" > Matrix< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Point.html" > Point< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Polygon.html" > Polygon< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Rectangle.html" > Rectangle< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.RoundedRectangle.html" > Rounded Rectangle< / a > < / li >
< / ul >
< / li >
< li class = "dropdown" >
< a href = "#" class = "dropdown-toggle" data-toggle = "dropdown" > Physics< b class = "caret" > < / b > < / a >
< ul class = "dropdown-menu " >
< li class = "class-depth-1" > < a href = "Phaser.Physics.Arcade.html" > Arcade Physics< / a > < / li >
< li class = "class-depth-2" > < a href = "Phaser.Physics.Arcade.Body.html" > Body< / a > < / li >
< li class = "class-depth-2" > < a href = "Phaser.Weapon.html" > Weapon< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Physics.P2.html" > P2 Physics< / a > < / li >
< li class = "class-depth-2" > < a href = "Phaser.Physics.P2.Body.html" > Body< / a > < / li >
< li class = "class-depth-2" > < a href = "Phaser.Physics.P2.Spring.html" > Spring< / a > < / li >
< li class = "class-depth-2" > < a href = "Phaser.Physics.P2.CollisionGroup.html" > CollisionGroup< / a > < / li >
< li class = "class-depth-2" > < a href = "Phaser.Physics.P2.ContactMaterial.html" > ContactMaterial< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Physics.Ninja.html" > Ninja Physics< / a > < / li >
< li class = "class-depth-2" > < a href = "Phaser.Physics.Body.html" > Body< / a > < / li >
< / ul >
< / li >
< li class = "dropdown" >
< a href = "#" class = "dropdown-toggle" data-toggle = "dropdown" > Input< b class = "caret" > < / b > < / a >
< ul class = "dropdown-menu " >
< li class = "class-depth-1" > < a href = "Phaser.InputHandler.html" > Input Handler< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Pointer.html" > Pointer< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.DeviceButton.html" > Device Button< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Mouse.html" > Mouse< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Keyboard.html" > Keyboard< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Key.html" > Key< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.KeyCode.html" > Key Codes< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Gamepad.html" > Gamepad< / a > < / li >
< / ul >
< / li >
< li class = "dropdown" >
< a href = "#" class = "dropdown-toggle" data-toggle = "dropdown" > Community< b class = "caret" > < / b > < / a >
< ul class = "dropdown-menu " >
< li class = "class-depth-1" > < a href = "http://phaser.io" > Phaser Web Site< / a > < / li >
< li class = "class-depth-1" > < a href = "https://github.com/photonstorm/phaser" > Phaser Github< / a > < / li >
< li class = "class-depth-1" > < a href = "http://phaser.io/examples" > Phaser Examples< / a > < / li >
< li class = "class-depth-1" > < a href = "https://github.com/photonstorm/phaser-plugins" > Phaser Plugins< / a > < / li >
< li class = "class-depth-1" > < a href = "http://www.html5gamedevs.com/forum/14-phaser/" > Forum< / a > < / li >
< li class = "class-depth-1" > < a href = "http://stackoverflow.com/questions/tagged/phaser-framework" > Stack Overflow< / a > < / li >
< li class = "class-depth-1" > < a href = "http://phaser.io/learn" > Tutorials< / a > < / li >
< li class = "class-depth-1" > < a href = "http://phaser.io/community/newsletter" > Newsletter< / a > < / li >
< li class = "class-depth-1" > < a href = "http://phaser.io/community/twitter" > Twitter< / a > < / li >
< li class = "class-depth-1" > < a href = "http://phaser.io/community/slack" > Slack< / a > < / li >
< li class = "class-depth-1" > < a href = "http://phaser.io/community/donate" > Donate< / a > < / li >
< li class = "class-depth-1" > < a href = "https://www.codeandweb.com/texturepacker/phaser" > Texture Packer< / a > < / li >
< / ul >
< / li >
< / ul >
< / div >
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< h1 class = "page-title" > Source: src/pixi/textures/Texture.js< / h1 >
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< pre class = "sunlight-highlight-javascript linenums" > /**
* @author Mat Groves http://matgroves.com/ @Doormat23
*/
/**
* TextureSilentFail is a boolean that defaults to `false`.
* If `true` then `PIXI.Texture.setFrame` will no longer throw an error if the texture dimensions are incorrect.
* Instead `Texture.valid` will be set to `false` (#1556)
*
* @type {boolean}
*/
PIXI.TextureSilentFail = false;
/**
* A texture stores the information that represents an image or part of an image. It cannot be added
* to the display list directly. Instead use it as the texture for a PIXI.Sprite. If no frame is provided then the whole image is used.
*
* @class Texture
* @uses EventTarget
* @constructor
* @param baseTexture {BaseTexture} The base texture source to create the texture from
* @param frame {Rectangle} The rectangle frame of the texture to show
* @param [crop] {Rectangle} The area of original texture
* @param [trim] {Rectangle} Trimmed texture rectangle
*/
PIXI.Texture = function(baseTexture, frame, crop, trim)
{
/**
* Does this Texture have any frame data assigned to it?
*
* @property noFrame
* @type Boolean
*/
this.noFrame = false;
if (!frame)
{
this.noFrame = true;
frame = new PIXI.Rectangle(0,0,1,1);
}
if (baseTexture instanceof PIXI.Texture)
{
baseTexture = baseTexture.baseTexture;
}
/**
* The base texture that this texture uses.
*
* @property baseTexture
* @type BaseTexture
*/
this.baseTexture = baseTexture;
/**
* The frame specifies the region of the base texture that this texture uses
*
* @property frame
* @type Rectangle
*/
this.frame = frame;
/**
* The texture trim data.
*
* @property trim
* @type Rectangle
*/
this.trim = trim;
/**
* This will let the renderer know if the texture is valid. If it's not then it cannot be rendered.
*
* @property valid
* @type Boolean
*/
this.valid = false;
/**
* Is this a tiling texture? As used by the likes of a TilingSprite.
*
* @property isTiling
* @type Boolean
*/
this.isTiling = false;
/**
* This will let a renderer know that a texture has been updated (used mainly for webGL uv updates)
*
* @property requiresUpdate
* @type Boolean
*/
this.requiresUpdate = false;
/**
* This will let a renderer know that a tinted parent has updated its texture.
*
* @property requiresReTint
* @type Boolean
*/
this.requiresReTint = false;
/**
* The WebGL UV data cache.
*
* @property _uvs
* @type Object
* @private
*/
this._uvs = null;
/**
* The width of the Texture in pixels.
*
* @property width
* @type Number
*/
this.width = 0;
/**
* The height of the Texture in pixels.
*
* @property height
* @type Number
*/
this.height = 0;
/**
* This is the area of the BaseTexture image to actually copy to the Canvas / WebGL when rendering,
* irrespective of the actual frame size or placement (which can be influenced by trimmed texture atlases)
*
* @property crop
* @type Rectangle
*/
this.crop = crop || new PIXI.Rectangle(0, 0, 1, 1);
/**
* A flag that controls if this frame is rotated or not.
* Rotation allows you to use rotated frames in texture atlas packing, it has nothing to do with
* Sprite rotation.
*
* @property rotated
* @type Boolean
*/
this.rotated = false;
if (baseTexture.hasLoaded)
{
if (this.noFrame) frame = new PIXI.Rectangle(0, 0, baseTexture.width, baseTexture.height);
this.setFrame(frame);
}
};
PIXI.Texture.prototype.constructor = PIXI.Texture;
/**
* Called when the base texture is loaded
*
* @method onBaseTextureLoaded
* @private
*/
PIXI.Texture.prototype.onBaseTextureLoaded = function()
{
var baseTexture = this.baseTexture;
if (this.noFrame)
{
this.frame = new PIXI.Rectangle(0, 0, baseTexture.width, baseTexture.height);
}
this.setFrame(this.frame);
};
/**
* Destroys this texture
*
* @method destroy
* @param destroyBase {Boolean} Whether to destroy the base texture as well
*/
PIXI.Texture.prototype.destroy = function(destroyBase)
{
if (destroyBase) this.baseTexture.destroy();
this.valid = false;
};
/**
* Specifies the region of the baseTexture that this texture will use.
*
* @method setFrame
* @param frame {Rectangle} The frame of the texture to set it to
*/
PIXI.Texture.prototype.setFrame = function(frame)
{
this.noFrame = false;
this.frame = frame;
this.width = frame.width;
this.height = frame.height;
this.crop.x = frame.x;
this.crop.y = frame.y;
this.crop.width = frame.width;
this.crop.height = frame.height;
if (!this.trim & & (frame.x + frame.width > this.baseTexture.width || frame.y + frame.height > this.baseTexture.height))
{
if (!PIXI.TextureSilentFail)
{
throw new Error('Texture Error: frame does not fit inside the base Texture dimensions ' + this);
}
this.valid = false;
return;
}
this.valid = frame & & frame.width & & frame.height & & this.baseTexture.source & & this.baseTexture.hasLoaded;
if (this.trim)
{
this.width = this.trim.width;
this.height = this.trim.height;
this.frame.width = this.trim.width;
this.frame.height = this.trim.height;
}
if (this.valid) this._updateUvs();
};
/**
* Updates the internal WebGL UV cache.
*
* @method _updateUvs
* @private
*/
PIXI.Texture.prototype._updateUvs = function()
{
if(!this._uvs)this._uvs = new PIXI.TextureUvs();
var frame = this.crop;
var tw = this.baseTexture.width;
var th = this.baseTexture.height;
this._uvs.x0 = frame.x / tw;
this._uvs.y0 = frame.y / th;
this._uvs.x1 = (frame.x + frame.width) / tw;
this._uvs.y1 = frame.y / th;
this._uvs.x2 = (frame.x + frame.width) / tw;
this._uvs.y2 = (frame.y + frame.height) / th;
this._uvs.x3 = frame.x / tw;
this._uvs.y3 = (frame.y + frame.height) / th;
};
/**
* Updates the internal WebGL UV cache.
*
* @method _updateUvsInverted
* @private
*/
PIXI.Texture.prototype._updateUvsInverted = function () {
if (!this._uvs) { this._uvs = new PIXI.TextureUvs(); }
var frame = this.crop;
var tw = this.baseTexture.width;
var th = this.baseTexture.height;
this._uvs.x0 = frame.x / tw;
this._uvs.y0 = frame.y / th;
this._uvs.x1 = (frame.x + frame.height) / tw;
this._uvs.y1 = frame.y / th;
this._uvs.x2 = (frame.x + frame.height) / tw;
this._uvs.y2 = (frame.y + frame.width) / th;
this._uvs.x3 = frame.x / tw;
this._uvs.y3 = (frame.y + frame.width) / th;
};
/**
* Helper function that creates a new a Texture based on the given canvas element.
*
* @static
* @method fromCanvas
* @param canvas {Canvas} The canvas element source of the texture
* @param scaleMode {Number} See {{#crossLink "PIXI/scaleModes:property"}}PIXI.scaleModes{{/crossLink}} for possible values
* @return {Texture}
*/
PIXI.Texture.fromCanvas = function(canvas, scaleMode)
{
var baseTexture = PIXI.BaseTexture.fromCanvas(canvas, scaleMode);
return new PIXI.Texture(baseTexture);
};
PIXI.TextureUvs = function()
{
this.x0 = 0;
this.y0 = 0;
this.x1 = 0;
this.y1 = 0;
this.x2 = 0;
this.y2 = 0;
this.x3 = 0;
this.y3 = 0;
};
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