Coldfusion resize making image files bigger?

Explorer ,
Mar 05, 2018 Mar 05, 2018

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So I have an image loader that before it uploads the file to Amazon S3 it optimises the image by using this code:

<cfset ImageScaleToFit(myImage,1260,"")>

<cfset imageWrite(myimage,"newImagelocation", 0.9)>

The odd thing is that if I upload an image that is already 1260 wide and 24k in size, then optimise it using the above code, the image becomes 34k in size.

Why would optimizing an image make it bigger?

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Adobe Community Professional ,
Mar 07, 2018 Mar 07, 2018

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You invoke imageScaleToFit() using the default value of the attribute interpolation, which is "highestQuality". In addition, you invoke imageWrite() using a quality value of 0.9, which is higher than the default, 0.75.

A larger file size is the price you pay for quality, I suppose. Just saying.

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