[cocos2d-x 2.0.4][iOS7]图片加载错误

<Error>:CGBitmapContextCreate:unsupportedparametercombination:8integerbits/component;32bits/pixel;3-componentcolorspace;kCGImageAlphaPremultipliedLast;1266bytes/row.

staticbool_initWithString(constchar*pText,cocos2d::CCImage::ETextAligneAlign,constchar*pFontName,intnSize,timageInfo*pInfo)

// draw text
CGColorSpaceRef colorSpace  = CGColorSpaceCreateDeviceRGB();
CGContextRef context        = CGBitmapContextCreate(data,
                                                    dim.width,
                                                    dim.height,
                                                    8,
                                                    (int)dim.width * 4, // 此处为修改
                                                    colorSpace,
                                                    kCGImageAlphaPremultipliedLast | kCGBitmapByteOrder32Big);