ImageSetDrawingTransparency

ImageSetDrawingTransparency(name, percent)

--->
<!--- Create a ColdFusion image from an existing JPEG file. --->
<cfimage source="../cfdocs/images/artgallery/austin01.jpg" name="myImage">
<!--- Turn on antialiasing to improve image quality. --->
<cfset ImageSetAntialiasing(myImage)>
<!--- Set the drawing transparency to 40%. --->
<cfset ImageSetDrawingTransparency(myImage,40)>
<!--- Set the text drawing attributes. --->
<cfset attr = StructNew()>
<cfset attr.size = 40>
<cfset attr.style = "bold">
<!--- Specify the text string and the location of the text on the image.
--->
<cfset ImageDrawText(myImage,"SOLD!",40,100,attr)>
<!--- Display the image in a browser. --->
<cfimage source="#myImage#" action="writeToBrowser">

--->
<!--- Create a ColdFusion image from a JPEG file. --->
<cfimage source="../cfdocs/getting_started/photos/somewhere.jpg" name="myImage" action="read">
<!--- Set the drawing transparency to 75%. --->
<cfset ImageSetDrawingTransparency(myImage,75)>
<!--- Create a ColdFusion image from a picture in the cfartgallery. --->
<cfimage source="../cfdocs/images/artgallery/raquel05.jpg" name="myImage2" action="read">
<!--- Set the drawing transparency to 30%. --->
<cfset ImagesetDrawingTransparency(myImage,30)>
<!--- Paste the ColdFusion log over the picture at coordinates (0,0).--->
<cfset ImagePaste(myImage,myImage2,0,0)>
<!--- Display the two source images and the result. --->
<cfimage source="#myImage#" destination="watermark.jpg" action="write" overwrite="yes">
<img src="../cfdocs/getting_started/photos/somewhere.jpg">
<Img src="../cfdocs/images/artgallery/raquel05.jpg">
<img src="watermark.jpg">

<cfimage action="read" name="logo" source="../cfdocs/getting_started/photos/somewhere.jpg">
<cfset imageGrayscale(logo)>
<cfset imageRotate(logo,45)>
<!--- This code creates the ColdFusion image to be used as the base image.
--->
<cfimage action="read" source="../cfdocs/images/artgallery/raquel05.jpg" name="baseImage">
<!--- This code sets the drawing transparency for the base image to 80%.
--->
<cfset ImageSetDrawingTransparency(baseImage,80)>
<!--- This code pastes the watermark image onto the base image at the coordinates (0,0). --->
<cfset ImagePaste(baseImage,logo,0,0)>
<!--- This code writes the result to a file. --->
<cfimage action="write" source="#baseImage#" destination="abc_watermark.jpg" overwrite="yes">
<!--- This code displays the image used as a watermark and the result. --->
<img src="../cfdocs/getting_started/photos/somewhere.jpg"/>
<img src="abc_watermark.jpg"/>