cfdocs

imageDrawArc

Draws a circular or elliptical arc.

imageDrawArc(name, x, y, width, height, startAngle, archAngle [, filled])

returns void

Member Function Syntax

someImage.drawArc(x, y, width, height, startAngle, archAngle [, filled])

Argument Reference

Name	Type	Required	Default	Description	Values
name	string	Yes		The image on which this operation is performed.
x	numeric	Yes		The x coordinate of the upper-left corner of the arc.
y	numeric	Yes		The y coordinate of the upper-left corner of the arc.
width	numeric	Yes		The width of the arc.
height	numeric	Yes		The height of the arc.
startAngle	numeric	Yes		The beginning angle in degrees.
archAngle	numeric	Yes		The angular extent of the arc, relative to the start angle.
filled	boolean	No	false	Specify whether the arc is filled	/Users/garethedwards/development/github/cfdocs/docs/functions/imagedrawarc.md	false

Tag Syntax

This example shows how to use the imageNew function to create a blank ColdFusion image that is 250 pixels wide and 180 pixels high.

<cfset myImage=imageNew("",250,320)> 
 <!--- Set the drawing color for the arc to orange. --->  
 <cfset imageSetDrawingColor(myImage,"orange")> 
 <!--- Turn on antialiasing to improve image quality. --->  
 <cfset imageSetAntialiasing(myImage,"on")> 
 <!--- Draw an enclosed orange arc starting at the coordinate (5,5). --->  
 <cfset imageDrawArc(myImage,5,5,200,300,100,100,"yes")> 
 <!--- Display the image in a browser. --->  
 <cfimage action="writeToBrowser" source="#myImage#">

Using drawArc member function

CF11+ Lucee4.5+ Draw a circle in the center of the image and fill with color

imgObj = imageRead("http://cfdocs.org/apple-touch-icon.png");
imgObj.setDrawingColor("005100");
imgObj.drawArc(50,50,50,50,90,360,"yes");
cfimage(action="writeToBrowser", source=imgObj);

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