Railo 4.2 Reference
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Sets the background color for the image. The background color is used for clearing a region. Setting the background color only affects the subsequent ImageClearRect calls


imagesetbackgroundcolor(any name,string color):void


The arguments for this function are set. You can not use other arguments except the following ones.
Name Type Required Description
name any  Yes The image on which this operation is performed.  
color string  Yes Background color (The default value is "black"):
  • Hexadecimal value of RGB color. For example, specify the color white as ##FFFFFF or FFFFFF.
  • String value of color (for example, "black", "red", "green").
  • List of three numbers for (R,G,B) values. Each value must be in the range 0-255.