function getValue(node, attribute){ 
return parseInt(_AN_Call_getattribute('getAttribute', node, attribute), 10); 
} 
var ParseXMLBitmapFont = function (xml, xSpacing, ySpacing, frame){ 
if (xSpacing === undefined) { 
xSpacing = 0; 
} 
if (ySpacing === undefined) { 
ySpacing = 0; 
} 
var data = { 
}
; 
var info = _AN_Call_getelementsbytagname('getElementsByTagName', xml, 'info')[0]; 
var common = _AN_Call_getelementsbytagname('getElementsByTagName', xml, 'common')[0]; 
data.font = _AN_Call_getattribute('getAttribute', info, 'face'); 
data.size = getValue(info, 'size'); 
data.lineHeight = getValue(common, 'lineHeight') + ySpacing; 
data.chars = { 
}
; 
var letters = _AN_Call_getelementsbytagname('getElementsByTagName', xml, 'char'); 
var x = 0; 
var y = 0; 
var cx = 0; 
var cy = 0; 
var adjustForTrim = (frame !== undefined && frame.trimmed); 
if (adjustForTrim) { 
var top = frame.height; 
var left = frame.width; 
} 
var diff = 0; 
for (var i = 0; 
i < _AN_Read_length('length', letters); i++ ){ 
var node = letters[i]; 
var charCode = getValue(node, 'id'); 
var gx = getValue(node, 'x'); 
var gy = getValue(node, 'y'); 
var gw = getValue(node, 'width'); 
var gh = getValue(node, 'height'); 
if (adjustForTrim) { 
if (gx < left) { 
left = gx; 
} 
if (gy < top) { 
top = gy; 
} 
} 
data.chars[charCode] = { 
x: gx,
y: gy,
width: gw,
height: gh,
centerX: Math.floor(gw / 2),
centerY: Math.floor(gh / 2),
xOffset: getValue(node, 'xoffset'),
yOffset: getValue(node, 'yoffset'),
xAdvance: getValue(node, 'xadvance') + xSpacing,
data: { 
}
,
kerning: { 
}
}
; 
} 
if (adjustForTrim && top !== 0 && left !== 0) { 
for (var code in data.chars){ 
var glyph = data.chars[code]; 
glyph.x -= frame.x; 
glyph.y -= frame.y; 
} 
} 
var kernings = _AN_Call_getelementsbytagname('getElementsByTagName', xml, 'kerning'); 
for (i = 0; i < _AN_Read_length('length', kernings); i++ ){ 
var kern = kernings[i]; 
var first = getValue(kern, 'first'); 
var second = getValue(kern, 'second'); 
var amount = getValue(kern, 'amount'); 
data.chars[second].kerning[first] = amount; 
} 
return data; 
} 
; 
module.exports = ParseXMLBitmapFont;