Encode an image base64

@interface NSString (Extension)

/**

* Base64 Encoding of Image

*/

+ (NSString *) ImageBase64: (UIImage *) image;

@end

+ (NSString *) ImageBase64: (UIImage *) image

{

Image = [self imagewithimagesimple:image scaledtosize:cgsizemake (200, 200)];

NSData *data =[nsdata data];

if (uiimagepngrepresentation (image)) {

Returns a PNG image.

data = uiimagepngrepresentation (image);

}else {

Returns a JPEG image.

data = uiimagejpegrepresentation (image, 0.5);

}

NSString *BASE64IMAGESTR = [data base64encodedstringwithoptions:0];

Base64imagestr = (__bridge NSString *) cfurlcreatestringbyaddingpercentescapes (Kcfallocatordefault, (CFSTRINGREF) Base64imagestr, NULL,

Cfstr ("="), kCFStringEncodingUTF8);

return base64imagestr;

}

/**

* Adjust the size of the hair picture

*/

+ (UIImage *) Imagewithimagesimple: (uiimage*) Image scaledtosize: (cgsize) newSize;

{

Uigraphicsbeginimagecontext (newSize);

[Image drawinrect:cgrectmake (0, 0, Newsize.width, newsize.height)];

UIImage *newimage=uigraphicsgetimagefromcurrentimagecontext ();

Uigraphicsendimagecontext ();

return newimage;

}

Encode an image base64