Inverts the pixel values of a ColdFusion image.
Nothing.
ImageNegative(name
)
ImageBlur, ImageGrayscale, ImageSetAntialiasing, ImageSharpen, IsImageFile
ColdFusion 8: Added this function.
Parameter |
Description |
---|---|
name |
Required. The ColdFusion image on which this operation is performed. |
The resulting image has the same dimensions of the source image, but not necessarily the same number bytes. Use the ImageSetAntialiasing function to improve the quality of the rendered image.
<!--- This example shows how to create a negative version of an image. ---> <!--- Create a ColdFusion image from and existing JPEG file. ---> <cfimage source="../cfdocs/images/artgallery/jeff05.jpg" name="myImage"> <!--- Turn on antialiasing to improve image quality. ---> <cfset ImageSetAntialiasing(myImage,"on")> <!--- Create a negative version of the image. ---> <cfset ImageNegative(myImage)> <!--- Save the modified image to a file. ---> <cfimage source="#myImage#" action="write" destination="test_myImage.jpg" overwrite="yes"> <!--- Display the source image and the negative image. ---> <img src="../cfdocs/images/artgallery/jeff05.jpg"/> <img src="test_myImage.jpg"/>