var Class = require('../../../utils/Class'); 
var GameObject = require('../../GameObject'); 
var Components = require('../../components'); 
var CanvasPool = require('../../../dom/CanvasPool'); 
var TextRender = require('./TextRender'); 
var TextStyle = require('../TextStyle'); 
var GetTextSize = require('../GetTextSize'); 
var Text = new Class({ 
Extends: GameObject,
Mixins: [Components.Alpha, Components.BlendMode, Components.Flip, Components.GetBounds, Components.Origin, Components.RenderTarget, Components.ScaleMode, Components.ScrollFactor, Components.Tint, Components.Transform, Components.Visible, TextRender] ,
initialize: function Text(state, x, y, text, style){ 
if (x === undefined) { 
x = 0; 
} 
if (y === undefined) { 
y = 0; 
} 
if (text === undefined) { 
text = ''; 
} 
GameObject.call(this, state, 'Text'); 
this.setPosition(x, y); 
this.setOrigin(0, 0); 
this.canvas = CanvasPool.create(this); 
this.context = this.canvas.getContext('2d'); 
this.style = new TextStyle(this, style); 
this.autoRound = true ; 
this.splitRegExp = /(?:\r\n|\r|\n)/; 
_AN_Write_text('text', this, false , (Array.isArray(text))? text.join('\n'): text); 
this.resolution = 1; 
this.padding = { 
x: 0,
y: 0}
; 
this.width = 1; 
this.height = 1; 
this.canvasTexture = null ; 
this.prevWidth = 0; 
this.prevHeight = 0; 
this.dirty = false ; 
if (text !== '') { 
this.updateText(); 
} 
} 
,
setText: function (value){ 
if (Array.isArray(value)) { 
value = value.join('\n'); 
} 
if (value !== this.text) { 
_AN_Write_text('text', this, false , value.toString()); 
this.updateText(); 
} 
return this; 
} 
,
setStyle: function (style){ 
return this.style.setStyle(style); 
} 
,
setFont: function (font){ 
return this.style.setFont(font); 
} 
,
setFixedSize: function (width, height){ 
return this.style.setFixedSize(width, height); 
} 
,
setBackgroundColor: function (color){ 
return this.style.setBackgroundColor(color); 
} 
,
setFill: function (color){ 
return this.style.setFill(color); 
} 
,
setStroke: function (color, thickness){ 
return this.style.setStroke(color, thickness); 
} 
,
setShadow: function (x, y, color, blur, shadowStroke, shadowFill){ 
return this.style.setShadow(x, y, color, blur, shadowStroke, shadowFill); 
} 
,
setShadowOffset: function (x, y){ 
return this.style.setShadowOffset(x, y); 
} 
,
setShadowColor: function (color){ 
return this.style.setShadowColor(color); 
} 
,
setShadowBlur: function (blur){ 
return this.style.setShadowBlur(blur); 
} 
,
setShadowStroke: function (enabled){ 
return this.style.setShadowStroke(enabled); 
} 
,
setShadowFill: function (enabled){ 
return this.style.setShadowFill(enabled); 
} 
,
setAlign: function (align){ 
return this.style.setAlign(align); 
} 
,
setMaxLines: function (max){ 
return this.style.setMaxLines(max); 
} 
,
updateText: function (){ 
var canvas = this.canvas; 
var context = this.context; 
var style = this.style; 
var size = style.metrics; 
var outputText = this.text; 
var lines = outputText.split(this.splitRegExp); 
var textSize = GetTextSize(this, size, lines); 
if (!style.fixedWidth) { 
this.width = textSize.width; 
} 
if (!style.fixedHeight) { 
this.height = textSize.height; 
} 
this.updateOrigin(); 
var padding = this.padding; 
var w = (textSize.width + (padding.x * 2)) * this.resolution; 
var h = (textSize.height + (padding.y * 2)) * this.resolution; 
if (canvas.width !== w || canvas.height !== h) { 
canvas.width = w; 
canvas.height = h; 
} 
 else { 
context.clearRect(0, 0, w, h); 
} 
if (style.backgroundColor) { 
context.fillStyle = style.backgroundColor; 
context.fillRect(0, 0, w, h); 
} 
style.syncFont(canvas, context); 
context.textBaseline = 'alphabetic'; 
context.translate(padding.x, padding.y); 
var linePositionX; 
var linePositionY; 
for (var i = 0; 
i < textSize.lines; i++ ){ 
linePositionX = style.strokeThickness / 2; 
linePositionY = (style.strokeThickness / 2 + i * textSize.lineHeight) + size.ascent; 
if (i > 0) { 
linePositionY += (textSize.lineSpacing * i); 
} 
if (style.align === 'right') { 
linePositionX += textSize.width - textSize.lineWidths[i]; 
} 
 else if (style.align === 'center') { 
linePositionX += (textSize.width - textSize.lineWidths[i]) / 2; 
} 
if (this.autoRound) { 
linePositionX = Math.round(linePositionX); 
linePositionY = Math.round(linePositionY); 
} 
if (style.strokeThickness) { 
this.style.syncShadow(context, style.shadowStroke); 
context.strokeText(lines[i], linePositionX, linePositionY); 
} 
if (style.fill) { 
this.style.syncShadow(context, style.shadowFill); 
context.fillText(lines[i], linePositionX, linePositionY); 
} 
} 
this.dirty = true ; 
return this; 
} 
,
getTextMetrics: function (){ 
return this.style.getTextMetrics(); 
} 
,
toJSON: function (){ 
var out = Components.ToJSON(this); 
var data = { 
autoRound: this.autoRound,
text: this.text,
style: this.style.toJSON(),
resolution: this.resolution,
padding: { 
x: this.padding.x,
y: this.padding.y}
}
; 
out.data = data; 
return out; 
} 
}
); 
module.exports = Text;