Monday, July 18, 2016

Stretching a image in iOS using colorWithPatternImage


We can do some image resizing to achieve this. Use this helper method to resize image and then use it in colorWithPatternImage method call.

This is the resizing helper method.

-(UIImage *)imageResize :(UIImage*)img andResizeTo:(CGSize)newSize
{
    CGFloat scale = [[UIScreen mainScreen]scale];

    //UIGraphicsBeginImageContext(newSize);
    UIGraphicsBeginImageContextWithOptions(newSize, NO, scale);
    [img drawInRect:CGRectMake(0,0,newSize.width,newSize.height)];
    UIImage* newImage = UIGraphicsGetImageFromCurrentImageContext();
    UIGraphicsEndImageContext();
    return newImage;
}

And this is how to call it inside your colorWithPatternImage method.

[separatorLineView setFrame:CGRectMake(10, 0, 180, 3)];
separatorLineView.backgroundColor = [UIColor colorWithPatternImage:[self imageResize :[UIImage imageNamed:@"divider.png"] andResizeTo:separatorLineView.frame.size]];

I guess you came to this post by searching similar kind of issues in any of the search engine and hope that this resolved your problem. If you find this tips useful, just drop a line below and share the link to others and who knows they might find it useful too. 

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This article is related to

iPad,iPhone,iPhone Resources,iPhone Articles,iPhone Development,iPhone Turorial,Mobile Development Tutorials,Mobile Developments,Objective C

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