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1526 lines
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HTML
1526 lines
41 KiB
HTML
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<a href="Phaser.Physics.P2.Body.html">Body</a>
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<a href="Phaser.Physics.P2.CollisionGroup.html">CollisionGroup</a>
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<a href="Phaser.Physics.P2.ContactMaterial.html">ContactMaterial</a>
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<li class="class-depth-3">
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<a href="Phaser.Physics.P2.DistanceConstraint.html">DistanceConstraint</a>
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<li class="class-depth-3">
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<a href="Phaser.Physics.P2.FixtureList.html">FixtureList</a>
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<li class="class-depth-3">
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<a href="Phaser.Physics.P2.GearConstraint.html">GearConstraint</a>
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<li class="class-depth-3">
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<a href="Phaser.Physics.P2.InversePointProxy.html">InversePointProxy</a>
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<li class="class-depth-3">
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<a href="Phaser.Physics.P2.LockConstraint.html">LockConstraint</a>
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<li class="class-depth-3">
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<a href="Phaser.Physics.P2.Material.html">Material</a>
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<li class="class-depth-3">
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<a href="Phaser.Physics.P2.PointProxy.html">PointProxy</a>
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<li class="class-depth-3">
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<a href="Phaser.Physics.P2.PrismaticConstraint.html">PrismaticConstraint</a>
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<li class="class-depth-3">
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<a href="Phaser.Physics.P2.RevoluteConstraint.html">RevoluteConstraint</a>
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</li>
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<li class="class-depth-3">
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<a href="Phaser.Physics.P2.RotationalSpring.html">RotationalSpring</a>
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</li>
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<li class="class-depth-3">
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<a href="Phaser.Physics.P2.Spring.html">Spring</a>
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<a href="Phaser.Plugin.html">Plugin</a>
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<a href="Phaser.PluginManager.html">PluginManager</a>
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<li class="class-depth-1">
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<a href="Phaser.Point.html">Point</a>
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</li>
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<a href="Phaser.Pointer.html">Pointer</a>
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</li>
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<a href="Phaser.Polygon.html">Polygon</a>
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<a href="Phaser.QuadTree.html">QuadTree</a>
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<li class="class-depth-1">
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<a href="Phaser.RandomDataGenerator.html">RandomDataGenerator</a>
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<a href="Phaser.Rectangle.html">Rectangle</a>
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<a href="Phaser.RenderTexture.html">RenderTexture</a>
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<a href="Phaser.RequestAnimationFrame.html">RequestAnimationFrame</a>
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<a href="Phaser.RetroFont.html">RetroFont</a>
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<li class="class-depth-1">
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<a href="Phaser.Rope.html">Rope</a>
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<li class="class-depth-1">
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<a href="Phaser.ScaleManager.html">ScaleManager</a>
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<li class="class-depth-1">
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<a href="Phaser.Signal.html">Signal</a>
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<li class="class-depth-1">
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<a href="Phaser.SignalBinding.html">SignalBinding</a>
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<a href="Phaser.SinglePad.html">SinglePad</a>
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<a href="Phaser.Sound.html">Sound</a>
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<li class="class-depth-1">
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<a href="Phaser.SoundManager.html">SoundManager</a>
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<li class="class-depth-1">
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<a href="Phaser.Sprite.html">Sprite</a>
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</li>
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<li class="class-depth-1">
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<a href="Phaser.SpriteBatch.html">SpriteBatch</a>
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<li class="class-depth-1">
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<a href="Phaser.Stage.html">Stage</a>
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<li class="class-depth-1">
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<a href="Phaser.State.html">State</a>
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<li class="class-depth-1">
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<a href="Phaser.StateManager.html">StateManager</a>
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</li>
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<li class="class-depth-1">
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<a href="Phaser.Text.html">Text</a>
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</li>
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<li class="class-depth-1">
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<a href="Phaser.Tile.html">Tile</a>
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<li class="class-depth-1">
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<a href="Phaser.Tilemap.html">Tilemap</a>
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</li>
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<li class="class-depth-1">
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<a href="Phaser.TilemapLayer.html">TilemapLayer</a>
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</li>
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<li class="class-depth-1">
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<a href="Phaser.TilemapParser.html">TilemapParser</a>
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</li>
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<li class="class-depth-1">
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<a href="Phaser.Tileset.html">Tileset</a>
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</li>
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<li class="class-depth-1">
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<a href="Phaser.TileSprite.html">TileSprite</a>
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</li>
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<li class="class-depth-1">
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<a href="Phaser.Time.html">Time</a>
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</li>
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<li class="class-depth-1">
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<a href="Phaser.Timer.html">Timer</a>
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</li>
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<li class="class-depth-1">
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<a href="Phaser.TimerEvent.html">TimerEvent</a>
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</li>
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<li class="class-depth-1">
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<a href="Phaser.Touch.html">Touch</a>
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</li>
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<li class="class-depth-1">
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<a href="Phaser.Tween.html">Tween</a>
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</li>
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<li class="class-depth-1">
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<a href="Phaser.TweenManager.html">TweenManager</a>
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</li>
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<li class="class-depth-1">
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<a href="Phaser.Utils.html">Utils</a>
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</li>
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<li class="class-depth-2">
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<a href="Phaser.Utils.Debug.html">Debug</a>
|
|
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|
|
|
|
<li class="class-depth-1">
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<a href="Phaser.World.html">World</a>
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<a href="PIXI.PixiShader.html">PixiShader</a>
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<a href="PIXI.Point.html">Point</a>
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<a href="PIXI.PolyK.html">PolyK</a>
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</li>
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<li class="class-depth-1">
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<a href="PIXI.PrimitiveShader.html">PrimitiveShader</a>
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</li>
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|
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<li class="class-depth-1">
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<a href="PIXI.Rectangle.html">Rectangle</a>
|
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</li>
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<a href="PIXI.RenderTexture.html">RenderTexture</a>
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<li class="class-depth-1">
|
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<a href="PIXI.RGBSplitFilter.html">RGBSplitFilter</a>
|
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</li>
|
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<li class="class-depth-1">
|
|
<a href="PIXI.Rope.html">Rope</a>
|
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</li>
|
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|
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<li class="class-depth-1">
|
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<a href="PIXI.RoundedRectangle.html">RoundedRectangle</a>
|
|
</li>
|
|
|
|
<li class="class-depth-1">
|
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<a href="PIXI.SepiaFilter.html">SepiaFilter</a>
|
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</li>
|
|
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|
<li class="class-depth-1">
|
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<a href="PIXI.SmartBlurFilter.html">SmartBlurFilter</a>
|
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</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>
|
|
|
|
<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>
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<li class="class-depth-1">
|
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<a href="PIXI.Strip.html">Strip</a>
|
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</li>
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<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>
|
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<li class="class-depth-1">
|
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<a href="PIXI.TilingSprite.html">TilingSprite</a>
|
|
</li>
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<li class="class-depth-1">
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<a href="PIXI.TiltShiftFilter.html">TiltShiftFilter</a>
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</li>
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<li class="class-depth-1">
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<a href="PIXI.TiltShiftXFilter.html">TiltShiftXFilter</a>
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</li>
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<li class="class-depth-1">
|
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<a href="PIXI.TiltShiftYFilter.html">TiltShiftYFilter</a>
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</li>
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<li class="class-depth-1">
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<a href="PIXI.TwistFilter.html">TwistFilter</a>
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</li>
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<li class="class-depth-1">
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<a href="PIXI.VideoTexture.html">VideoTexture</a>
|
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</li>
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<li class="class-depth-1">
|
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<a href="PIXI.WebGLBlendModeManager.html">WebGLBlendModeManager</a>
|
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</li>
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<li class="class-depth-1">
|
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<a href="PIXI.WebGLFastSpriteBatch.html">WebGLFastSpriteBatch</a>
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</li>
|
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|
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<li class="class-depth-1">
|
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<a href="PIXI.WebGLFilterManager.html">WebGLFilterManager</a>
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</li>
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<li class="class-depth-1">
|
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<a href="PIXI.WebGLRenderer.html">WebGLRenderer</a>
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</li>
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</ul>
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</li>
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<li class="dropdown">
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<a href="global.html" class="dropdown-toggle" data-toggle="dropdown">Global<b
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class="caret"></b></a>
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<ul class="dropdown-menu ">
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<li class="class-depth-0">
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<a href="global.html#clone">clone</a>
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<a href="global.html#createCustomLayer">createCustomLayer</a>
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</li>
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<a href="global.html#createFixedLayer">createFixedLayer</a>
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</li>
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<li class="class-depth-0">
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<a href="global.html#createFluidLayer">createFluidLayer</a>
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</li>
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<li class="class-depth-0">
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<a href="global.html#createFullLayer">createFullLayer</a>
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</li>
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<a href="global.html#debug">debug</a>
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<a href="global.html#destroy">destroy</a>
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<a href="global.html#onResize">onResize</a>
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<a href="global.html#originalEvent">originalEvent</a>
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<a href="global.html#refresh">refresh</a>
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<a href="global.html#reset">reset</a>
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<a href="global.html#setSize">setSize</a>
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</ul>
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</div>
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</div>
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<div class="row-fluid">
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<div class="span12">
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<div id="main">
|
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|
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|
|
<h1 class="page-title">Source: d:/wamp/www/phaser/src/pixi/text/Text.js</h1>
|
|
|
|
<section>
|
|
<article>
|
|
<pre class="sunlight-highlight-javascript linenums">/**
|
|
* @author Mat Groves http://matgroves.com/ @Doormat23
|
|
* Modified by Tom Slezakowski http://www.tomslezakowski.com @TomSlezakowski (24/03/2014) - Added dropShadowColor.
|
|
*/
|
|
|
|
/**
|
|
* A Text Object will create a line or multiple lines of text. To split a line you can use '\n' in your text string,
|
|
* or add a wordWrap property set to true and and wordWrapWidth property with a value in the style object.
|
|
*
|
|
* @class Text
|
|
* @extends Sprite
|
|
* @constructor
|
|
* @param text {String} The copy that you would like the text to display
|
|
* @param [style] {Object} The style parameters
|
|
* @param [style.font] {String} default 'bold 20px Arial' The style and size of the font
|
|
* @param [style.fill='black'] {String|Number} A canvas fillstyle that will be used on the text e.g 'red', '#00FF00'
|
|
* @param [style.align='left'] {String} Alignment for multiline text ('left', 'center' or 'right'), does not affect single line text
|
|
* @param [style.stroke] {String|Number} A canvas fillstyle that will be used on the text stroke e.g 'blue', '#FCFF00'
|
|
* @param [style.strokeThickness=0] {Number} A number that represents the thickness of the stroke. Default is 0 (no stroke)
|
|
* @param [style.wordWrap=false] {Boolean} Indicates if word wrap should be used
|
|
* @param [style.wordWrapWidth=100] {Number} The width at which text will wrap, it needs wordWrap to be set to true
|
|
* @param [style.dropShadow=false] {Boolean} Set a drop shadow for the text
|
|
* @param [style.dropShadowColor='#000000'] {String} A fill style to be used on the dropshadow e.g 'red', '#00FF00'
|
|
* @param [style.dropShadowAngle=Math.PI/4] {Number} Set a angle of the drop shadow
|
|
* @param [style.dropShadowDistance=5] {Number} Set a distance of the drop shadow
|
|
*/
|
|
PIXI.Text = function(text, style)
|
|
{
|
|
/**
|
|
* The canvas element that everything is drawn to
|
|
*
|
|
* @property canvas
|
|
* @type HTMLCanvasElement
|
|
*/
|
|
this.canvas = document.createElement('canvas');
|
|
|
|
/**
|
|
* The canvas 2d context that everything is drawn with
|
|
* @property context
|
|
* @type HTMLCanvasElement
|
|
*/
|
|
this.context = this.canvas.getContext('2d');
|
|
|
|
/**
|
|
* The resolution of the canvas.
|
|
* @property resolution
|
|
* @type Number
|
|
*/
|
|
this.resolution = 1;
|
|
|
|
PIXI.Sprite.call(this, PIXI.Texture.fromCanvas(this.canvas));
|
|
|
|
this.setText(text);
|
|
this.setStyle(style);
|
|
|
|
};
|
|
|
|
// constructor
|
|
PIXI.Text.prototype = Object.create(PIXI.Sprite.prototype);
|
|
PIXI.Text.prototype.constructor = PIXI.Text;
|
|
|
|
/**
|
|
* The width of the Text, setting this will actually modify the scale to achieve the value set
|
|
*
|
|
* @property width
|
|
* @type Number
|
|
*/
|
|
Object.defineProperty(PIXI.Text.prototype, 'width', {
|
|
get: function() {
|
|
|
|
if(this.dirty)
|
|
{
|
|
this.updateText();
|
|
this.dirty = false;
|
|
}
|
|
|
|
|
|
return this.scale.x * this.texture.frame.width;
|
|
},
|
|
set: function(value) {
|
|
this.scale.x = value / this.texture.frame.width;
|
|
this._width = value;
|
|
}
|
|
});
|
|
|
|
/**
|
|
* The height of the Text, setting this will actually modify the scale to achieve the value set
|
|
*
|
|
* @property height
|
|
* @type Number
|
|
*/
|
|
Object.defineProperty(PIXI.Text.prototype, 'height', {
|
|
get: function() {
|
|
|
|
if(this.dirty)
|
|
{
|
|
this.updateText();
|
|
this.dirty = false;
|
|
}
|
|
|
|
|
|
return this.scale.y * this.texture.frame.height;
|
|
},
|
|
set: function(value) {
|
|
this.scale.y = value / this.texture.frame.height;
|
|
this._height = value;
|
|
}
|
|
});
|
|
|
|
/**
|
|
* Set the style of the text
|
|
*
|
|
* @method setStyle
|
|
* @param [style] {Object} The style parameters
|
|
* @param [style.font='bold 20pt Arial'] {String} The style and size of the font
|
|
* @param [style.fill='black'] {Object} A canvas fillstyle that will be used on the text eg 'red', '#00FF00'
|
|
* @param [style.align='left'] {String} Alignment for multiline text ('left', 'center' or 'right'), does not affect single line text
|
|
* @param [style.stroke='black'] {String} A canvas fillstyle that will be used on the text stroke eg 'blue', '#FCFF00'
|
|
* @param [style.strokeThickness=0] {Number} A number that represents the thickness of the stroke. Default is 0 (no stroke)
|
|
* @param [style.wordWrap=false] {Boolean} Indicates if word wrap should be used
|
|
* @param [style.wordWrapWidth=100] {Number} The width at which text will wrap
|
|
* @param [style.dropShadow=false] {Boolean} Set a drop shadow for the text
|
|
* @param [style.dropShadowColor='#000000'] {String} A fill style to be used on the dropshadow e.g 'red', '#00FF00'
|
|
* @param [style.dropShadowAngle=Math.PI/4] {Number} Set a angle of the drop shadow
|
|
* @param [style.dropShadowDistance=5] {Number} Set a distance of the drop shadow
|
|
*/
|
|
PIXI.Text.prototype.setStyle = function(style)
|
|
{
|
|
style = style || {};
|
|
style.font = style.font || 'bold 20pt Arial';
|
|
style.fill = style.fill || 'black';
|
|
style.align = style.align || 'left';
|
|
style.stroke = style.stroke || 'black'; //provide a default, see: https://github.com/GoodBoyDigital/pixi.js/issues/136
|
|
style.strokeThickness = style.strokeThickness || 0;
|
|
style.wordWrap = style.wordWrap || false;
|
|
style.wordWrapWidth = style.wordWrapWidth || 100;
|
|
|
|
style.dropShadow = style.dropShadow || false;
|
|
style.dropShadowAngle = style.dropShadowAngle || Math.PI / 6;
|
|
style.dropShadowDistance = style.dropShadowDistance || 4;
|
|
style.dropShadowColor = style.dropShadowColor || 'black';
|
|
|
|
this.style = style;
|
|
this.dirty = true;
|
|
};
|
|
|
|
/**
|
|
* Set the copy for the text object. To split a line you can use '\n'.
|
|
*
|
|
* @method setText
|
|
* @param text {String} The copy that you would like the text to display
|
|
*/
|
|
PIXI.Text.prototype.setText = function(text)
|
|
{
|
|
this.text = text.toString() || ' ';
|
|
this.dirty = true;
|
|
};
|
|
|
|
/**
|
|
* Renders text and updates it when needed
|
|
*
|
|
* @method updateText
|
|
* @private
|
|
*/
|
|
PIXI.Text.prototype.updateText = function()
|
|
{
|
|
this.texture.baseTexture.resolution = this.resolution;
|
|
|
|
this.context.font = this.style.font;
|
|
|
|
var outputText = this.text;
|
|
|
|
// word wrap
|
|
// preserve original text
|
|
if(this.style.wordWrap)outputText = this.wordWrap(this.text);
|
|
|
|
//split text into lines
|
|
var lines = outputText.split(/(?:\r\n|\r|\n)/);
|
|
|
|
//calculate text width
|
|
var lineWidths = [];
|
|
var maxLineWidth = 0;
|
|
var fontProperties = this.determineFontProperties(this.style.font);
|
|
for (var i = 0; i < lines.length; i++)
|
|
{
|
|
var lineWidth = this.context.measureText(lines[i]).width;
|
|
lineWidths[i] = lineWidth;
|
|
maxLineWidth = Math.max(maxLineWidth, lineWidth);
|
|
}
|
|
|
|
var width = maxLineWidth + this.style.strokeThickness;
|
|
if(this.style.dropShadow)width += this.style.dropShadowDistance;
|
|
|
|
this.canvas.width = ( width + this.context.lineWidth ) * this.resolution;
|
|
|
|
//calculate text height
|
|
var lineHeight = fontProperties.fontSize + this.style.strokeThickness;
|
|
|
|
var height = lineHeight * lines.length;
|
|
if(this.style.dropShadow)height += this.style.dropShadowDistance;
|
|
|
|
this.canvas.height = height * this.resolution;
|
|
|
|
this.context.scale( this.resolution, this.resolution);
|
|
|
|
if(navigator.isCocoonJS) this.context.clearRect(0,0,this.canvas.width,this.canvas.height);
|
|
|
|
this.context.font = this.style.font;
|
|
this.context.strokeStyle = this.style.stroke;
|
|
this.context.lineWidth = this.style.strokeThickness;
|
|
this.context.textBaseline = 'alphabetic';
|
|
//this.context.lineJoin = 'round';
|
|
|
|
var linePositionX;
|
|
var linePositionY;
|
|
|
|
if(this.style.dropShadow)
|
|
{
|
|
this.context.fillStyle = this.style.dropShadowColor;
|
|
|
|
var xShadowOffset = Math.sin(this.style.dropShadowAngle) * this.style.dropShadowDistance;
|
|
var yShadowOffset = Math.cos(this.style.dropShadowAngle) * this.style.dropShadowDistance;
|
|
|
|
for (i = 0; i < lines.length; i++)
|
|
{
|
|
linePositionX = this.style.strokeThickness / 2;
|
|
linePositionY = (this.style.strokeThickness / 2 + i * lineHeight) + fontProperties.ascent;
|
|
|
|
if(this.style.align === 'right')
|
|
{
|
|
linePositionX += maxLineWidth - lineWidths[i];
|
|
}
|
|
else if(this.style.align === 'center')
|
|
{
|
|
linePositionX += (maxLineWidth - lineWidths[i]) / 2;
|
|
}
|
|
|
|
if(this.style.fill)
|
|
{
|
|
this.context.fillText(lines[i], linePositionX + xShadowOffset, linePositionY + yShadowOffset);
|
|
}
|
|
|
|
// if(dropShadow)
|
|
}
|
|
}
|
|
|
|
//set canvas text styles
|
|
this.context.fillStyle = this.style.fill;
|
|
|
|
//draw lines line by line
|
|
for (i = 0; i < lines.length; i++)
|
|
{
|
|
linePositionX = this.style.strokeThickness / 2;
|
|
linePositionY = (this.style.strokeThickness / 2 + i * lineHeight) + fontProperties.ascent;
|
|
|
|
if(this.style.align === 'right')
|
|
{
|
|
linePositionX += maxLineWidth - lineWidths[i];
|
|
}
|
|
else if(this.style.align === 'center')
|
|
{
|
|
linePositionX += (maxLineWidth - lineWidths[i]) / 2;
|
|
}
|
|
|
|
if(this.style.stroke && this.style.strokeThickness)
|
|
{
|
|
this.context.strokeText(lines[i], linePositionX, linePositionY);
|
|
}
|
|
|
|
if(this.style.fill)
|
|
{
|
|
this.context.fillText(lines[i], linePositionX, linePositionY);
|
|
}
|
|
|
|
// if(dropShadow)
|
|
}
|
|
|
|
this.updateTexture();
|
|
};
|
|
|
|
/**
|
|
* Updates texture size based on canvas size
|
|
*
|
|
* @method updateTexture
|
|
* @private
|
|
*/
|
|
PIXI.Text.prototype.updateTexture = function()
|
|
{
|
|
this.texture.baseTexture.width = this.canvas.width;
|
|
this.texture.baseTexture.height = this.canvas.height;
|
|
this.texture.crop.width = this.texture.frame.width = this.canvas.width;
|
|
this.texture.crop.height = this.texture.frame.height = this.canvas.height;
|
|
|
|
this._width = this.canvas.width;
|
|
this._height = this.canvas.height;
|
|
|
|
// update the dirty base textures
|
|
this.texture.baseTexture.dirty();
|
|
};
|
|
|
|
/**
|
|
* Renders the object using the WebGL renderer
|
|
*
|
|
* @method _renderWebGL
|
|
* @param renderSession {RenderSession}
|
|
* @private
|
|
*/
|
|
PIXI.Text.prototype._renderWebGL = function(renderSession)
|
|
{
|
|
if(this.dirty)
|
|
{
|
|
this.resolution = renderSession.resolution;
|
|
|
|
this.updateText();
|
|
this.dirty = false;
|
|
}
|
|
|
|
PIXI.Sprite.prototype._renderWebGL.call(this, renderSession);
|
|
};
|
|
|
|
/**
|
|
* Renders the object using the Canvas renderer
|
|
*
|
|
* @method _renderCanvas
|
|
* @param renderSession {RenderSession}
|
|
* @private
|
|
*/
|
|
PIXI.Text.prototype._renderCanvas = function(renderSession)
|
|
{
|
|
if(this.dirty)
|
|
{
|
|
this.resolution = renderSession.resolution;
|
|
|
|
this.updateText();
|
|
this.dirty = false;
|
|
}
|
|
|
|
PIXI.Sprite.prototype._renderCanvas.call(this, renderSession);
|
|
};
|
|
|
|
/**
|
|
* Calculates the ascent, descent and fontSize of a given fontStyle
|
|
*
|
|
* @method determineFontProperties
|
|
* @param fontStyle {Object}
|
|
* @private
|
|
*/
|
|
PIXI.Text.prototype.determineFontProperties = function(fontStyle)
|
|
{
|
|
var properties = PIXI.Text.fontPropertiesCache[fontStyle];
|
|
|
|
if(!properties)
|
|
{
|
|
properties = {};
|
|
|
|
var canvas = PIXI.Text.fontPropertiesCanvas;
|
|
var context = PIXI.Text.fontPropertiesContext;
|
|
|
|
context.font = fontStyle;
|
|
|
|
var width = Math.ceil(context.measureText('|Mq').width);
|
|
var baseline = Math.ceil(context.measureText('M').width);
|
|
var height = 2 * baseline;
|
|
|
|
baseline = baseline * 1.4 | 0;
|
|
|
|
canvas.width = width;
|
|
canvas.height = height;
|
|
|
|
context.fillStyle = '#f00';
|
|
context.fillRect(0, 0, width, height);
|
|
|
|
context.font = fontStyle;
|
|
|
|
context.textBaseline = 'alphabetic';
|
|
context.fillStyle = '#000';
|
|
context.fillText('|Mq', 0, baseline);
|
|
|
|
var imagedata = context.getImageData(0, 0, width, height).data;
|
|
var pixels = imagedata.length;
|
|
var line = width * 4;
|
|
|
|
var i, j;
|
|
|
|
var idx = 0;
|
|
var stop = false;
|
|
|
|
// ascent. scan from top to bottom until we find a non red pixel
|
|
for(i = 0; i < baseline; i++)
|
|
{
|
|
for(j = 0; j < line; j += 4)
|
|
{
|
|
if(imagedata[idx + j] !== 255)
|
|
{
|
|
stop = true;
|
|
break;
|
|
}
|
|
}
|
|
if(!stop)
|
|
{
|
|
idx += line;
|
|
}
|
|
else
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
|
|
properties.ascent = baseline - i;
|
|
|
|
idx = pixels - line;
|
|
stop = false;
|
|
|
|
// descent. scan from bottom to top until we find a non red pixel
|
|
for(i = height; i > baseline; i--)
|
|
{
|
|
for(j = 0; j < line; j += 4)
|
|
{
|
|
if(imagedata[idx + j] !== 255)
|
|
{
|
|
stop = true;
|
|
break;
|
|
}
|
|
}
|
|
if(!stop)
|
|
{
|
|
idx -= line;
|
|
}
|
|
else
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
|
|
properties.descent = i - baseline;
|
|
properties.fontSize = properties.ascent + properties.descent;
|
|
|
|
PIXI.Text.fontPropertiesCache[fontStyle] = properties;
|
|
}
|
|
|
|
return properties;
|
|
};
|
|
|
|
/**
|
|
* Applies newlines to a string to have it optimally fit into the horizontal
|
|
* bounds set by the Text object's wordWrapWidth property.
|
|
*
|
|
* @method wordWrap
|
|
* @param text {String}
|
|
* @private
|
|
*/
|
|
PIXI.Text.prototype.wordWrap = function(text)
|
|
{
|
|
// Greedy wrapping algorithm that will wrap words as the line grows longer
|
|
// than its horizontal bounds.
|
|
var result = '';
|
|
var lines = text.split('\n');
|
|
for (var i = 0; i < lines.length; i++)
|
|
{
|
|
var spaceLeft = this.style.wordWrapWidth;
|
|
var words = lines[i].split(' ');
|
|
for (var j = 0; j < words.length; j++)
|
|
{
|
|
var wordWidth = this.context.measureText(words[j]).width;
|
|
var wordWidthWithSpace = wordWidth + this.context.measureText(' ').width;
|
|
if(j === 0 || wordWidthWithSpace > spaceLeft)
|
|
{
|
|
// Skip printing the newline if it's the first word of the line that is
|
|
// greater than the word wrap width.
|
|
if(j > 0)
|
|
{
|
|
result += '\n';
|
|
}
|
|
result += words[j];
|
|
spaceLeft = this.style.wordWrapWidth - wordWidth;
|
|
}
|
|
else
|
|
{
|
|
spaceLeft -= wordWidthWithSpace;
|
|
result += ' ' + words[j];
|
|
}
|
|
}
|
|
|
|
if (i < lines.length-1)
|
|
{
|
|
result += '\n';
|
|
}
|
|
}
|
|
return result;
|
|
};
|
|
|
|
/**
|
|
* Returns the bounds of the Text as a rectangle. The bounds calculation takes the worldTransform into account.
|
|
*
|
|
* @method getBounds
|
|
* @param matrix {Matrix} the transformation matrix of the Text
|
|
* @return {Rectangle} the framing rectangle
|
|
*/
|
|
PIXI.Text.prototype.getBounds = function(matrix)
|
|
{
|
|
if(this.dirty)
|
|
{
|
|
this.updateText();
|
|
this.dirty = false;
|
|
}
|
|
|
|
return PIXI.Sprite.prototype.getBounds.call(this, matrix);
|
|
};
|
|
|
|
/**
|
|
* Destroys this text object.
|
|
*
|
|
* @method destroy
|
|
* @param destroyBaseTexture {Boolean} whether to destroy the base texture as well
|
|
*/
|
|
PIXI.Text.prototype.destroy = function(destroyBaseTexture)
|
|
{
|
|
// make sure to reset the the context and canvas.. dont want this hanging around in memory!
|
|
this.context = null;
|
|
this.canvas = null;
|
|
|
|
this.texture.destroy(destroyBaseTexture === undefined ? true : destroyBaseTexture);
|
|
};
|
|
|
|
PIXI.Text.fontPropertiesCache = {};
|
|
PIXI.Text.fontPropertiesCanvas = document.createElement('canvas');
|
|
PIXI.Text.fontPropertiesContext = PIXI.Text.fontPropertiesCanvas.getContext('2d');
|
|
</pre>
|
|
</article>
|
|
</section>
|
|
|
|
|
|
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|
|
|
|
|
</div>
|
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|
|
<div class="clearfix"></div>
|
|
<footer>
|
|
|
|
|
|
<span class="copyright">
|
|
Phaser Copyright © 2012-2014 Photon Storm Ltd.
|
|
</span>
|
|
<br />
|
|
|
|
<span class="jsdoc-message">
|
|
Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.3.0-dev</a>
|
|
on Sat Nov 15 2014 19:54:25 GMT-0000 (GMT) using the <a href="https://github.com/terryweiss/docstrap">DocStrap template</a>.
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</span>
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</footer>
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<script> Sunlight.highlightAll({lineNumbers:true, showMenu: true, enableDoclinks :true}); </script>
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