cocos2d Using camera to take picture and save that to file - ios

Question

cocos2d Using camera to take picture and save that to file
I can use camera to take picture.
But this picture is a part of this picture.(a white White border)
How get a big picture?
I want to get a clear picture.
thank you！！
-(void)takePhoto{
AppController *appdel = (AppController*) [[UIApplication sharedApplication] delegate];
#try {
uip = [[UIImagePickerController alloc] init] ;
uip.sourceType = UIImagePickerControllerSourceTypeCamera;
uip.allowsEditing = YES;
uip.delegate = self;
}
#catch (NSException * e) {
[uip release];
uip = nil;
}
#finally {
if(uip) {
[appdel.navController presentModalViewController:uip animated:YES];
}
}
}
- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info{
profileImage=[info objectForKey:UIImagePickerControllerCropRect];
AppController *appdel = (AppController*) [[UIApplication sharedApplication] delegate];
[appdel.navController dismissModalViewControllerAnimated:YES];
[uip release];
[NSThread detachNewThreadSelector:#selector(writeImgToPath:) toTarget:self withObject:profileImage];
}
-(void)writeImgToPath:(id)sender
{
NSAutoreleasePool *pool = [NSAutoreleasePool new];
UIImage *image = sender;
NSArray *pathArr = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory,
NSUserDomainMask,
YES);
CGSize size;
int currentProfileIndex = 1;
NSString *path = [[pathArr objectAtIndex:0]
stringByAppendingPathComponent:[NSString stringWithFormat:#"Img_%d.png",currentProfileIndex]];
size = CGSizeMake(1320, 480);
UIGraphicsBeginImageContext(size);
[image drawInRect:CGRectMake(0, 0, 1320, 480)];
image = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
NSData *data = UIImagePNGRepresentation(image);
[data writeToFile:path atomically:YES];
NSLog(#”Saved…..”);
CGRect r = CGRectMake(0, 0, 1320, 480);
UIGraphicsBeginImageContext(r.size);
UIImage *img1;
[image drawInRect:r];
img1 = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
UIImageWriteToSavedPhotosAlbum(img1, nil, nil, nil);
[pool release];
}
-(id) init
{
[self takePhoto];
}
return self;
}