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ImageTranslate

Last updated on May 30, 2024 | Also applies to ColdFusion

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CFML Reference User Guide
ColdFusion functions
ColdFusion Tags
1. ColdFusion tag summary
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  15. Other tags
    1. cfimage
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3. Tags a-b
4. Tags c
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  16. Tags d-e
5. Tags f
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7. Tags i
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8. Tags j-l
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13. Tags u-z
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CFML Reference
1. Reserved words and variables
2. Ajax JavaScript functions
3. ColdFusion ActionScript functions
4. ColdFusion mobile functions
5. Application.cfc reference
6. Script functions implemented as CFCs
7. ColdFusion Flash Form style reference
8. ColdFusion event gateway reference
9. ColdFusion C++ CFX Reference
10. ColdFusion Java CFX reference
11. WDDX JavaScript Objects
Cloud services

Description

Copies an image to a new location on the plane.

Returns

Nothing.

Function syntax

ImageTranslate(name, xTrans, yTrans [, interpolation])

History

ColdFusion 8: Added this function.

Parameters

Parameter	Description
name	Required. The ColdFusion image on which this operation is performed.
xTrans	Required. Displacement in the x direction.
yTrans	Required. Displacement in the y direction.
interpolation	Optional. Type of interpolation used for resampling: nearest: Applies the nearest neighbor method of interpolation. Image quality is lower than the other interpolation methods, but processing is fastest (default). bilinear: Applies the bilinear method of interpolation. The quality of the image is less pixelated than the default, but processing is slower. bicubic: Applies the bicubic method of interpolation. Generally, the quality of image is highest with this method and processing is slowest.

Usage

For each pixel (x, y) of the destination, the source value at the fractional subpixel position (x - xTrans, y - yTrans) is constructed with an interpolation object and written to the destination. If both xTrans and yTrans are integral, the operation wraps the source image to change the image's position in the coordinate plane.Use the ImageSetAntialiasing function to improve the quality of the rendered image.

Example

<cfimage source="../cfdocs/images/artgallery/aiden01.jpg" name="myImage">
<!--- Turn on antialiasing to improve image quality. --->
<cfset ImageSetAntialiasing(myImage,"on")>
<!--- Offset the image's position to (20,10). --->
<cfset ImageTranslate(myImage,20,10)>
<!--- Display the offset image in a browser. --->
<cfimage source="#myImage#" action="writeToBrowser">

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