var GameObject = require('../../GameObject'); 
var BitmapTextCanvasRenderer = function (renderer, src, interpolationPercentage, camera, parentMatrix){ 
var text = src.text; 
var textLength = _AN_Read_length('length', text); 
if (GameObject.RENDER_MASK !== src.renderFlags || textLength === 0 || (src.cameraFilter > 0 && (src.cameraFilter & camera._id))) { 
return ; 
} 
var textureFrame = src.frame; 
var chars = src.fontData.chars; 
var lineHeight = src.fontData.lineHeight; 
var letterSpacing = src.letterSpacing; 
var xAdvance = 0; 
var yAdvance = 0; 
var indexCount = 0; 
var charCode = 0; 
var glyph = null ; 
var glyphX = 0; 
var glyphY = 0; 
var glyphW = 0; 
var glyphH = 0; 
var x = 0; 
var y = 0; 
var lastGlyph = null ; 
var lastCharCode = 0; 
var ctx = renderer.currentContext; 
var image = src.frame.source.image; 
var textureX = textureFrame.cutX; 
var textureY = textureFrame.cutY; 
var scale = (src.fontSize / src.fontData.size); 
if (renderer.currentBlendMode !== src.blendMode) { 
renderer.currentBlendMode = src.blendMode; 
ctx.globalCompositeOperation = renderer.blendModes[src.blendMode]; 
} 
if (renderer.currentAlpha !== src.alpha) { 
renderer.currentAlpha = src.alpha; 
ctx.globalAlpha = src.alpha; 
} 
if (renderer.currentScaleMode !== src.scaleMode) { 
renderer.currentScaleMode = src.scaleMode; 
} 
var roundPixels = renderer.config.roundPixels; 
var tx = (src.x - camera.scrollX * src.scrollFactorX) + src.frame.x; 
var ty = (src.y - camera.scrollY * src.scrollFactorY) + src.frame.y; 
if (roundPixels) { 
tx |= 0; 
ty |= 0; 
} 
ctx.save(); 
if (parentMatrix !== undefined) { 
var matrix = parentMatrix.matrix; 
ctx.transform(matrix[0], matrix[1], matrix[2], matrix[3], matrix[4], matrix[5]); 
} 
ctx.translate(tx, ty); 
ctx.rotate(src.rotation); 
ctx.translate(- src.displayOriginX, - src.displayOriginY); 
ctx.scale(src.scaleX, src.scaleY); 
for (var index = 0; 
index < textLength; ++index){ 
charCode = text.charCodeAt(index); 
if (charCode === 10) { 
xAdvance = 0; 
indexCount = 0; 
yAdvance += lineHeight; 
lastGlyph = null ; 
continue ; 
} 
glyph = chars[charCode]; 
if (!glyph) { 
continue ; 
} 
glyphX = textureX + glyph.x; 
glyphY = textureY + glyph.y; 
glyphW = glyph.width; 
glyphH = glyph.height; 
x = indexCount + glyph.xOffset + xAdvance; 
y = glyph.yOffset + yAdvance; 
if (lastGlyph !== null ) { 
var kerningOffset = glyph.kerning[lastCharCode]; 
x += (kerningOffset !== undefined)? kerningOffset: 0; 
} 
x *= scale; 
y *= scale; 
xAdvance += glyph.xAdvance + letterSpacing; 
indexCount += 1; 
lastGlyph = glyph; 
lastCharCode = charCode; 
if (glyphW === 0 || glyphH === 0 || charCode === 32) { 
continue ; 
} 
if (roundPixels) { 
x |= 0; 
y |= 0; 
} 
ctx.save(); 
ctx.translate(x, y); 
ctx.scale(scale, scale); 
ctx.drawImage(image, glyphX, glyphY, glyphW, glyphH, 0, 0, glyphW, glyphH); 
ctx.restore(); 
} 
ctx.restore(); 
} 
; 
module.exports = BitmapTextCanvasRenderer;