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partTimeCrazy
Inspiring
March 5, 2018
Question

Coldfusion resize making image files bigger?

  • March 5, 2018
  • 1 reply
  • 338 views

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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1 reply

BKBK
Community Expert
BKBKCommunity Expert
Community Expert
March 7, 2018

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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