iPhone Resizing a UIImage:
This is the sample code for resize an image without change it's original aspect ratio.
Copy and paste the following code into your .h file
This is the method for resize the image, copy and paste the following code into your .m file
And finally this is the method to call image resize function.
This is the sample code for resize an image without change it's original aspect ratio.
Copy and paste the following code into your .h file
// Change image size without change image ratio -(UIImage *)scaleImage:(UIImage *)image toSize:(CGSize)newSize;
This is the method for resize the image, copy and paste the following code into your .m file
-(UIImage *)scaleImage:(UIImage *)image toSize:(CGSize)newSize { float width = newSize.width; float height = newSize.height; UIGraphicsBeginImageContext(newSize); CGRect rect = CGRectMake(0, 0, width, height); float widthRatio = image.size.width / width; float heightRatio = image.size.height / height; float divisor = widthRatio > heightRatio ? widthRatio : heightRatio; width = image.size.width / divisor; height = image.size.height / divisor; rect.size.width = width; rect.size.height = height; if(height < width) rect.origin.y = height / 3; [image drawInRect: rect]; UIImage *smallImage = UIGraphicsGetImageFromCurrentImageContext(); UIGraphicsEndImageContext(); return smallImage; }
And finally this is the method to call image resize function.
UIImage *imageCC= [UIImage imageNamed:@"codingcluster.png"]; // Pass your image size as paramater UIImage *buttonBk = [self scaleImage:imageCC toSize:CGSizeMake(40.0,40.0)];
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