Created
November 17, 2015 20:41
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Swift function for adding text to a UIImage
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func addTextToImage(text: NSString, inImage: UIImage, atPoint:CGPoint) -> UIImage{ | |
// Setup the font specific variables | |
let textColor = YOUR_COLOR | |
let textFont = YOUR_FONT | |
//Setups up the font attributes that will be later used to dictate how the text should be drawn | |
let textFontAttributes = [ | |
NSFontAttributeName: textFont, | |
NSForegroundColorAttributeName: textColor, | |
] | |
// Create bitmap based graphics context | |
UIGraphicsBeginImageContextWithOptions(inImage.size, false, 0.0) | |
//Put the image into a rectangle as large as the original image. | |
inImage.drawInRect(CGRectMake(0, 0, inImage.size.width, inImage.size.height)) | |
// Our drawing bounds | |
let drawingBounds = CGRectMake(0.0, 0.0, inImage.size.width, inImage.size.height) | |
let textSize = text.sizeWithAttributes([NSFontAttributeName:textFont]) | |
let textRect = CGRectMake(drawingBounds.size.width/2 - textSize.width/2, drawingBounds.size.height/2 - textSize.height/2, | |
textSize.width, textSize.height) | |
text.drawInRect(textRect, withAttributes: textFontAttributes) | |
// Get the image from the graphics context | |
let newImag = UIGraphicsGetImageFromCurrentImageContext() | |
UIGraphicsEndImageContext() | |
return newImag | |
} |
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