Description
Converts a ColdFusion image to grayscale.
Returns
Nothing.
1 | ImageGrayscale(name) |
See also
ImageBlur, ImageNegative, ImageSetAntialiasing, ImageSharpen, IsImageFile
History
ColdFusion 8: Added this function.
Parameters
Parameter |
Description |
|---|---|
name |
Required. The ColdFusion image on which this operation is performed. |
Usage
Use the ImageSetAntialiasing function to improve the quality of the rendered image.
Example
1 2 3 4 5 6 7 8 9 10 11 12 | <!--- This example shows how to change a color image to grayscale. ---><!--- Create a ColdFusion image from an existing color image. ---><cfimage source="../cfdocs/images/artgallery/jeff04.jpg" name="myImage"> <!--- Turn on antialiasing to improve image quality. ---><cfset ImageSetAntialiasing(myImage,"on")> <!--- Change the image to grayscale. ---><cfset ImageGrayscale(myImage)> <!--- Save the grayscale image to a JPEG file. ---><cfimage source="#myImage#" action="write" destination="test_myImage.jpg" overwrite="yes"> <!--- Display the source image and the grayscale image. ---><img src="../cfdocs/images/artgallery/jeff04.jpg"/> <img src="test_myImage.jpg"/> |
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