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< li class = "class-depth-1" >
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< a href = "Phaser.TilemapLayer.html" > TilemapLayer< / a >
< / li >
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< li class = "class-depth-1" >
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< a href = "Phaser.TilemapParser.html" > TilemapParser< / a >
< / li >
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< li class = "class-depth-1" >
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< a href = "Phaser.Tileset.html" > Tileset< / a >
< / li >
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< li class = "class-depth-1" >
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< a href = "Phaser.TileSprite.html" > TileSprite< / a >
< / li >
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< li class = "class-depth-1" >
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< a href = "Phaser.Time.html" > Time< / a >
< / li >
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< li class = "class-depth-1" >
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< a href = "Phaser.Timer.html" > Timer< / a >
< / li >
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< li class = "class-depth-1" >
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< a href = "Phaser.TimerEvent.html" > TimerEvent< / a >
< / li >
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< li class = "class-depth-1" >
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< a href = "Phaser.Touch.html" > Touch< / a >
< / li >
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< li class = "class-depth-1" >
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< a href = "Phaser.Tween.html" > Tween< / a >
< / li >
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< li class = "class-depth-1" >
< a href = "Phaser.TweenData.html" > TweenData< / a >
< / li >
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< li class = "class-depth-1" >
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< a href = "Phaser.TweenManager.html" > TweenManager< / a >
< / li >
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< li class = "class-depth-1" >
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< a href = "Phaser.Utils.html" > Utils< / a >
< / li >
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< li class = "class-depth-2" >
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< a href = "Phaser.Utils.Debug.html" > Debug< / a >
< / li >
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< li class = "class-depth-1" >
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< a href = "Phaser.World.html" > World< / a >
< / li >
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< li class = "class-depth-1" >
< a href = "PIXI.AbstractFilter.html" > AbstractFilter< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.AjaxRequest.html" > AjaxRequest< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.AlphaMaskFilter.html" > AlphaMaskFilter< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.AsciiFilter.html" > AsciiFilter< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.AssetLoader.html" > AssetLoader< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.AtlasLoader.html" > AtlasLoader< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.BaseTexture.html" > BaseTexture< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.BitmapFontLoader.html" > BitmapFontLoader< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.BitmapText.html" > BitmapText< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.BlurFilter.html" > BlurFilter< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.BlurXFilter.html" > BlurXFilter< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.BlurYFilter.html" > BlurYFilter< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.CanvasBuffer.html" > CanvasBuffer< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.CanvasGraphics.html" > CanvasGraphics< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.CanvasMaskManager.html" > CanvasMaskManager< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.CanvasRenderer.html" > CanvasRenderer< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.CanvasTinter.html" > CanvasTinter< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.Circle.html" > Circle< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.ColorMatrixFilter.html" > ColorMatrixFilter< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.ColorStepFilter.html" > ColorStepFilter< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.ComplexPrimitiveShader.html" > ComplexPrimitiveShader< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.ConvolutionFilter.html" > ConvolutionFilter< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.CrossHatchFilter.html" > CrossHatchFilter< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.DisplacementFilter.html" > DisplacementFilter< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.DisplayObject.html" > DisplayObject< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.DisplayObjectContainer.html" > DisplayObjectContainer< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.DotScreenFilter.html" > DotScreenFilter< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.Ellipse.html" > Ellipse< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.Event.html" > Event< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.EventTarget.html" > EventTarget< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.FilterBlock.html" > FilterBlock< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.FilterTexture.html" > FilterTexture< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.Graphics.html" > Graphics< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.GraphicsData.html" > GraphicsData< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.GrayFilter.html" > GrayFilter< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.ImageLoader.html" > ImageLoader< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.InteractionData.html" > InteractionData< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.InteractionManager.html" > InteractionManager< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.InvertFilter.html" > InvertFilter< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.JsonLoader.html" > JsonLoader< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.Matrix.html" > Matrix< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.MovieClip.html" > MovieClip< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.NoiseFilter.html" > NoiseFilter< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.NormalMapFilter.html" > NormalMapFilter< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.PixelateFilter.html" > PixelateFilter< / a >
< / li >
< li class = "class-depth-1" >
< 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.Point.html" > Point< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.Polygon.html" > Polygon< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.PolyK.html" > PolyK< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.PrimitiveShader.html" > PrimitiveShader< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.Rectangle.html" > Rectangle< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.RenderTexture.html" > RenderTexture< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.RGBSplitFilter.html" > RGBSplitFilter< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.Rope.html" > Rope< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.RoundedRectangle.html" > RoundedRectangle< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.SepiaFilter.html" > SepiaFilter< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.SmartBlurFilter.html" > SmartBlurFilter< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.Spine.html" > Spine< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.SpineLoader.html" > SpineLoader< / a >
< / li >
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< li class = "class-depth-1" >
< a href = "PIXI.SpineTextureLoader.html" > SpineTextureLoader< / a >
< / li >
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< li class = "class-depth-1" >
< a href = "PIXI.Sprite.html" > Sprite< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.SpriteBatch.html" > SpriteBatch< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.SpriteSheetLoader.html" > SpriteSheetLoader< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.Stage.html" > Stage< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.Strip.html" > Strip< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.StripShader.html" > StripShader< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.Text.html" > Text< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.Texture.html" > Texture< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.TilingSprite.html" > TilingSprite< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.TiltShiftFilter.html" > TiltShiftFilter< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.TiltShiftXFilter.html" > TiltShiftXFilter< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.TiltShiftYFilter.html" > TiltShiftYFilter< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.TwistFilter.html" > TwistFilter< / a >
< / li >
< li class = "class-depth-1" >
< a href = "PIXI.VideoTexture.html" > VideoTexture< / 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 >
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< / ul >
< / li >
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< li class = "dropdown" >
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< a href = "#" class = "dropdown-toggle" data-toggle = "dropdown" > Core< b class = "caret" > < / b > < / a >
< ul class = "dropdown-menu " >
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< li class = "class-depth-1" > < a href = "Phaser.Game.html" > Game< / a > < / li >
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< 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.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.InputManager.html" > Input Manager< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.ScaleManager.html" > Scale Manager< / a > < / li >
< / ul >
< / li >
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< li class = "dropdown" >
< a href = "#" class = "dropdown-toggle" data-toggle = "dropdown" > Game Objects< b class = "caret" > < / b > < / a >
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< ul class = "dropdown-menu " >
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< 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.Emitter.html" > Emitter< / a > < / li >
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< li class = "class-depth-1" > < a href = "Phaser.Particle.html" > Particle< / a > < / li >
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< 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.Rectangle.html" > Rectangle< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Point.html" > Point< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Line.html" > Line< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Ellipse.html" > Ellipse< / a > < / li >
< li class = "class-depth-1" > < a href = "Phaser.Polygon.html" > Polygon< / a > < / li >
< / ul >
< / li >
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< 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-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 >
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< / ul >
< / li >
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< 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.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.Gamepad.html" > Gamepad< / a > < / li >
< / ul >
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< 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 = "https://github.com/photonstorm/phaser" > Phaser Github< / a > < / li >
< li class = "class-depth-1" > < a href = "http://examples.phaser.io" > 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 = "https://confirmsubscription.com/h/r/369DE48E3E86AF1E" > Newsletter< / a > < / li >
< li class = "class-depth-1" > < a href = "https://twitter.com/photonstorm" > Twitter< / a > < / li >
< li class = "class-depth-1" > < a href = "http://www.html5gamedevs.com/topic/4470-official-phaserio-irc-channel-phaserio-on-freenode/" > IRC< / a > < / li >
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< li class = "class-depth-1" > < a href = "https://leanpub.com/u/photonstorm" > Phaser Books< / a > < / li >
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< li class = "class-depth-1" > < a href = "https://www.gittip.com/photonstorm/" > GitTip< / a > < / li >
< / ul >
< / li >
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< / ul >
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< div class = "row-fluid" >
< div class = "span12" >
< div id = "main" >
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< h1 class = "page-title" > Source: d:/wamp/www/phaser/src/pixi/textures/RenderTexture.js< / h1 >
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< section >
< article >
< pre class = "sunlight-highlight-javascript linenums" > /**
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* @author Mat Groves http://matgroves.com/ @Doormat23
*/
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/**
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* A RenderTexture is a special texture that allows any Pixi display object to be rendered to it.
*
* __Hint__: All DisplayObjects (i.e. Sprites) that render to a RenderTexture should be preloaded otherwise black rectangles will be drawn instead.
*
* A RenderTexture takes a snapshot of any Display Object given to its render method. The position and rotation of the given Display Objects is ignored. For example:
*
* var renderTexture = new PIXI.RenderTexture(800, 600);
* var sprite = PIXI.Sprite.fromImage("spinObj_01.png");
* sprite.position.x = 800/2;
* sprite.position.y = 600/2;
* sprite.anchor.x = 0.5;
* sprite.anchor.y = 0.5;
* renderTexture.render(sprite);
*
* The Sprite in this case will be rendered to a position of 0,0. To render this sprite at its actual position a DisplayObjectContainer should be used:
*
* var doc = new PIXI.DisplayObjectContainer();
* doc.addChild(sprite);
* renderTexture.render(doc); // Renders to center of renderTexture
*
* @class RenderTexture
* @extends Texture
* @constructor
* @param width {Number} The width of the render texture
* @param height {Number} The height of the render texture
* @param renderer {CanvasRenderer|WebGLRenderer} The renderer used for this RenderTexture
* @param scaleMode {Number} See {{#crossLink "PIXI/scaleModes:property"}}PIXI.scaleModes{{/crossLink}} for possible values
* @param resolution {Number} The resolution of the texture being generated
*/
PIXI.RenderTexture = function(width, height, renderer, scaleMode, resolution)
{
/**
* The with of the render texture
*
* @property width
* @type Number
*/
this.width = width || 100;
/**
* The height of the render texture
*
* @property height
* @type Number
*/
this.height = height || 100;
/**
* The Resolution of the texture.
*
* @property resolution
* @type Number
*/
this.resolution = resolution || 1;
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/**
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* The framing rectangle of the render texture
*
* @property frame
* @type Rectangle
*/
this.frame = new PIXI.Rectangle(0, 0, this.width * this.resolution, this.height * this.resolution);
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/**
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* 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 = new PIXI.Rectangle(0, 0, this.width * this.resolution, this.height * this.resolution);
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/**
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* The base texture object that this texture uses
*
* @property baseTexture
* @type BaseTexture
*/
this.baseTexture = new PIXI.BaseTexture();
this.baseTexture.width = this.width * this.resolution;
this.baseTexture.height = this.height * this.resolution;
this.baseTexture._glTextures = [];
this.baseTexture.resolution = this.resolution;
this.baseTexture.scaleMode = scaleMode || PIXI.scaleModes.DEFAULT;
this.baseTexture.hasLoaded = true;
PIXI.Texture.call(this,
this.baseTexture,
new PIXI.Rectangle(0, 0, this.width, this.height)
);
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/**
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* The renderer this RenderTexture uses. A RenderTexture can only belong to one renderer at the moment if its webGL.
*
* @property renderer
* @type CanvasRenderer|WebGLRenderer
*/
this.renderer = renderer || PIXI.defaultRenderer;
if(this.renderer.type === PIXI.WEBGL_RENDERER)
{
var gl = this.renderer.gl;
this.baseTexture._dirty[gl.id] = false;
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this.textureBuffer = new PIXI.FilterTexture(gl, this.width * this.resolution, this.height * this.resolution, this.baseTexture.scaleMode);
this.baseTexture._glTextures[gl.id] = this.textureBuffer.texture;
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this.render = this.renderWebGL;
this.projection = new PIXI.Point(this.width*0.5, -this.height*0.5);
}
else
{
this.render = this.renderCanvas;
this.textureBuffer = new PIXI.CanvasBuffer(this.width* this.resolution, this.height* this.resolution);
this.baseTexture.source = this.textureBuffer.canvas;
}
/**
* @property valid
* @type Boolean
*/
this.valid = true;
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this._updateUvs();
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};
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PIXI.RenderTexture.prototype = Object.create(PIXI.Texture.prototype);
PIXI.RenderTexture.prototype.constructor = PIXI.RenderTexture;
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/**
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* Resizes the RenderTexture.
*
* @method resize
* @param width {Number} The width to resize to.
* @param height {Number} The height to resize to.
* @param updateBase {Boolean} Should the baseTexture.width and height values be resized as well?
*/
PIXI.RenderTexture.prototype.resize = function(width, height, updateBase)
{
if (width === this.width & & height === this.height)return;
this.valid = (width > 0 & & height > 0);
this.width = this.frame.width = this.crop.width = width;
this.height = this.frame.height = this.crop.height = height;
if (updateBase)
{
this.baseTexture.width = this.width;
this.baseTexture.height = this.height;
}
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if (this.renderer.type === PIXI.WEBGL_RENDERER)
{
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this.projection.x = this.width / 2;
this.projection.y = -this.height / 2;
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}
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if(!this.valid)return;
this.textureBuffer.resize(this.width * this.resolution, this.height * this.resolution);
};
/**
* Clears the RenderTexture.
*
* @method clear
*/
PIXI.RenderTexture.prototype.clear = function()
{
if(!this.valid)return;
if (this.renderer.type === PIXI.WEBGL_RENDERER)
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{
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this.renderer.gl.bindFramebuffer(this.renderer.gl.FRAMEBUFFER, this.textureBuffer.frameBuffer);
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}
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this.textureBuffer.clear();
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};
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/**
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* This function will draw the display object to the texture.
*
* @method renderWebGL
* @param displayObject {DisplayObject} The display object to render this texture on
* @param [matrix] {Matrix} Optional matrix to apply to the display object before rendering.
* @param [clear] {Boolean} If true the texture will be cleared before the displayObject is drawn
* @private
*/
PIXI.RenderTexture.prototype.renderWebGL = function(displayObject, matrix, clear)
{
if(!this.valid)return;
//TOOD replace position with matrix..
//Lets create a nice matrix to apply to our display object. Frame buffers come in upside down so we need to flip the matrix
var wt = displayObject.worldTransform;
wt.identity();
wt.translate(0, this.projection.y * 2);
if(matrix)wt.append(matrix);
wt.scale(1,-1);
// setWorld Alpha to ensure that the object is renderer at full opacity
displayObject.worldAlpha = 1;
// Time to update all the children of the displayObject with the new matrix..
var children = displayObject.children;
for(var i=0,j=children.length; i< j; i++)
{
children[i].updateTransform();
}
// time for the webGL fun stuff!
var gl = this.renderer.gl;
gl.viewport(0, 0, this.width * this.resolution, this.height * this.resolution);
gl.bindFramebuffer(gl.FRAMEBUFFER, this.textureBuffer.frameBuffer );
if(clear)this.textureBuffer.clear();
this.renderer.spriteBatch.dirty = true;
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this.renderer.renderDisplayObject(displayObject, this.projection, this.textureBuffer.frameBuffer);
this.renderer.spriteBatch.dirty = true;
};
/**
* This function will draw the display object to the texture.
*
* @method renderCanvas
* @param displayObject {DisplayObject} The display object to render this texture on
* @param [matrix] {Matrix} Optional matrix to apply to the display object before rendering.
* @param [clear] {Boolean} If true the texture will be cleared before the displayObject is drawn
* @private
*/
PIXI.RenderTexture.prototype.renderCanvas = function(displayObject, matrix, clear)
{
if(!this.valid)return;
var wt = displayObject.worldTransform;
wt.identity();
if(matrix)wt.append(matrix);
// setWorld Alpha to ensure that the object is renderer at full opacity
displayObject.worldAlpha = 1;
// Time to update all the children of the displayObject with the new matrix..
var children = displayObject.children;
for(var i = 0, j = children.length; i < j; i++)
{
children[i].updateTransform();
}
if(clear)this.textureBuffer.clear();
var context = this.textureBuffer.context;
var realResolution = this.renderer.resolution;
this.renderer.resolution = this.resolution;
this.renderer.renderDisplayObject(displayObject, context);
this.renderer.resolution = realResolution;
};
/**
* Will return a HTML Image of the texture
*
* @method getImage
* @return {Image}
*/
PIXI.RenderTexture.prototype.getImage = function()
{
var image = new Image();
image.src = this.getBase64();
return image;
};
/**
* Will return a a base64 encoded string of this texture. It works by calling RenderTexture.getCanvas and then running toDataURL on that.
*
* @method getBase64
* @return {String} A base64 encoded string of the texture.
*/
PIXI.RenderTexture.prototype.getBase64 = function()
{
return this.getCanvas().toDataURL();
};
/**
* Creates a Canvas element, renders this RenderTexture to it and then returns it.
*
* @method getCanvas
* @return {HTMLCanvasElement} A Canvas element with the texture rendered on.
*/
PIXI.RenderTexture.prototype.getCanvas = function()
{
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if (this.renderer.type === PIXI.WEBGL_RENDERER)
{
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var gl = this.renderer.gl;
var width = this.textureBuffer.width;
var height = this.textureBuffer.height;
var webGLPixels = new Uint8Array(4 * width * height);
gl.bindFramebuffer(gl.FRAMEBUFFER, this.textureBuffer.frameBuffer);
gl.readPixels(0, 0, width, height, gl.RGBA, gl.UNSIGNED_BYTE, webGLPixels);
gl.bindFramebuffer(gl.FRAMEBUFFER, null);
var tempCanvas = new PIXI.CanvasBuffer(width, height);
var canvasData = tempCanvas.context.getImageData(0, 0, width, height);
canvasData.data.set(webGLPixels);
tempCanvas.context.putImageData(canvasData, 0, 0);
return tempCanvas.canvas;
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}
else
{
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return this.textureBuffer.canvas;
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}
};
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PIXI.RenderTexture.tempMatrix = new PIXI.Matrix();
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