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A-Zak/uiimage_combine.swift

Last active December 9, 2025 18:26
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  1. A-Zak renamed this gist Oct 19, 2015. 1 changed file with 0 additions and 0 deletions.
    0 gistfile1.txt → uiimage_combine.swift
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  2. A-Zak created this gist Oct 19, 2015.
    28 changes: 28 additions & 0 deletions gistfile1.txt
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    Original file line number Diff line number Diff line change
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    extension UIImage {

    class func imageByCombiningImage(firstImage: UIImage, withImage secondImage: UIImage) -> UIImage {

    let newImageWidth = max(firstImage.size.width, secondImage.size.width )
    let newImageHeight = max(firstImage.size.height, secondImage.size.height)
    let newImageSize = CGSize(width : newImageWidth, height: newImageHeight)


    UIGraphicsBeginImageContextWithOptions(newImageSize, false, UIScreen.mainScreen().scale)

    let firstImageDrawX = round((newImageSize.width - firstImage.size.width ) / 2)
    let firstImageDrawY = round((newImageSize.height - firstImage.size.height ) / 2)

    let secondImageDrawX = round((newImageSize.width - secondImage.size.width ) / 2)
    let secondImageDrawY = round((newImageSize.height - secondImage.size.height) / 2)

    firstImage .drawAtPoint(CGPoint(x: firstImageDrawX, y: firstImageDrawY))
    secondImage.drawAtPoint(CGPoint(x: secondImageDrawX, y: secondImageDrawY))

    let image = UIGraphicsGetImageFromCurrentImageContext()

    UIGraphicsEndImageContext()


    return image
    }
    }