Create a new translucent image with given percentage of translucence.
imageMakeTranslucent (img, percent__);
returns any
| Name | Type | Required | Default | Description |
|---|---|---|---|---|
| img | string | Yes | The ColdFusion image on which this operation is performed. | |
| percentage | numeric | Yes | The percent of translucence: 0 = opaque, 100=transparent. Decimal values are supported |
The following example illustrates three images with the second one translucent than first and the third one translucent than the second.
<cfset myImage=imageNew('',200,110)>
<!--- Set the drawing color to green. --->
<cfset imageSetDrawingColor(myImage,'green')>
<!--- Turn on antialiasing to improve image quality. --->
<cfset imageSetAntialiasing(myImage,'on')>
<!--- Draw a filled green oval on the image. --->
<cfset imageDrawOval(myImage,5,5,190,100,'yes')>
<!--- Display the image in a browser. --->
<cfoutput>PNG image<br></cfoutput>
<cfset imageWrite(myImage,'#expandPath('.')#/png.png')>
<cfset myImage = imageRead('#expandPath('.')#/png.png')>
<cfimage source='#myImage#' action='writeToBrowser' >
<cfset x =imageMakeTranslucent(myImage,50)>
<cfimage source='#x#' action='writeToBrowser' >
<cfset x =imageMakeTranslucent(myImage,75)>
<cfimage source='#x#' action='writeToBrowser' >
<cfset x =imageMakeTranslucent(myImage,100)>
<cfimage source='#x#' action='writeToBrowser' >