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ImageBlur
Last update:
May 18, 2026
Description
Smooths (blurs) an image.
Returns
Nothing.
Category
Function syntax
ImageBlur(image [, blurRadius])See also
History
ColdFusion (2018 release): Renamed parameter name to image .
ColdFusion 8: Added this function.
Parameters
Parameter | Description |
image | Required. The ColdFusion image on which this operation is performed. |
blurRadius | Optional. The size of the blur radius. Value must be greater than or equal to 3 and less than or equal to 10. The default value is 3. |
Usage
The blurRadius operation affects performance: as the blurRadius value increases, performance decreases.
Example
<!--- This example shows how to blur an image by a radius of 10. --->
<!--- Create a ColdFusion image from an existing JPEG file. --->
<cfimage source="../cfdocs/images/artgallery/jeff05.jpg" name="myImage">
<!--- Use the maximum blur radius to blur the image. --->
<cfset ImageBlur(myImage,10)>
<!--- Save the modified ColdFusion image to a JPEG file. --->
<cfimage source="#myImage#" action="write" destination="test_myImage.jpeg" overwrite="yes">
<!--- Display the source image and the new image. --->
<img src="../cfdocs/images/artgallery/jeff05.jpg"/>
<img src="test_myImage.jpeg"/>
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