Draws a single line defined by two sets of x and y coordinates on a ColdFusion image.
imageDrawLine(name, x1, y1, x2, y2)
returns void
someImage.drawLine(x1, y1, x2, y2)
| Name | Type | Required | Default | Description |
|---|---|---|---|---|
| name | string | Yes | The image on which this operation is performed. | |
| x1 | numeric | Yes | The x coordinate for the start point of the line. | |
| y1 | numeric | Yes | The y coordinate for the start point of the line. | |
| x2 | numeric | Yes | The x coordinate for the end point of the line. | |
| y2 | numeric | Yes | The y coordinate for the end point of the line. |
This example shows how to draw a square bisected by a diagonal line.
<!--- Use the imageNew function to create a 100x100-pixel image. --->
<cfset myImage=imageNew("",100,100)>
<!--- Turn on antialiasing to improve image quality. --->
<cfset imageSetAntialiasing(myImage,"on")>
<!--- Draw a diagonal line that bisects the square. --->
<cfset imageDrawLine(myImage,0,0,100,100)>
<!--- Display the image in a browser. --->
<cfimage source="#myImage#" action="writeToBrowser">
CF11+ Lucee4.5+ Create a new image and with this image draw a diagonal line from the top left (0,0) to the bottom right (152,152)
imgObj = imageNew("",152,152,"rgb","149c82");
imgObj.drawLine(0,0,152,152);
cfimage (action="writeToBrowser", source=imgObj);