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Get image color
1 Answer(s)      2 years and 7 months ago
Posted in : MobileApplications


How to get image color in iPhone SDK application?


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February 15, 2012 at 12:03 PM


- (UIImage *)imageWithColor:(UIColor *)color andSize:(CGSize)size {
  //Context
  UIGraphicsBeginImageContext(size);
  CGContextRef currentContext = UIGraphicsGetCurrentContext();

  //size
  CGRect fillRect = CGRectMake(0,0,size.width,size.height);

  / color
  CGContextSetFillColorWithColor(currentContext, color.CGColor);

  //color
  CGContextFillRect(currentContext, fillRect);

  //Sclose the context
  UIImage *retval = UIGraphicsGetImageFromCurrentImageContext(void);
  UIGraphicsEndImageContext();

  return retval;
}


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