Draws a cubic curve.
imageDrawCubicCurve(name, ctrlx1, ctrly1, ctrlx2, ctrly2, x1, y1, x2, y2)
returns void
someImage.drawCubicCurve(ctrlx1, ctrly1, ctrlx2, ctrly2, x1, y1, x2, y2)
| Name | Type | Required | Default | Description |
|---|---|---|---|---|
| name | string | Yes | The image on which this operation is performed. | |
| ctrlx1 | string | Yes | The x coordinate of the start point of the cubic curve segment. | |
| ctrly1 | numeric | Yes | The y coordinate of the start point of the cubic curve segment. | |
| ctrlx2 | numeric | Yes | The x coordinate of the first control point of the cubic curve segment. | |
| ctrly2 | numeric | Yes | The y coordinate of the first control point of the cubic curve segment. | |
| x1 | numeric | Yes | The x coordinate of the second control point of the cubic curve segment. | |
| y1 | numeric | Yes | The y coordinate of the second control point of the cubic curve segment. | |
| x2 | numeric | Yes | The x coordinate of the end point of the cubic curve segment. | |
| y2 | numeric | Yes | The y coordinate of the end point of the cubic curve segment. |
This example shows how to draw a curved line that looks like a stylized 7.
<!--- Use the imageNew function to create a blank ColdFusion image that is 200 pixels wide and 380 pixels high. --->
<cfset myImage=imageNew("",200,380)>
<!--- Set the drawing color to magenta. --->
<cfset imageSetDrawingColor(myImage,"magenta")>
<!--- Turn on antialiasing to improve image quality. --->
<cfset imageSetAntialiasing(myImage,"on")>
<!--- Draw a curved line that starts at (380,28) and ends at (32,56) with its first control point at (120,380) and its second control point at (5,15). --->
<cfset imageDrawCubicCurve(myImage,120,380,5,15,380,28,32,56)>
<!--- Display the image in a browser. --->
<cfimage source="#myImage#" action="writeToBrowser">
CF11+ Lucee4.5+ Create a new image. With the new image draw a cubic curve, starting at top left (0,0) ending at bottom right (152,152) with 2 control points, 1 half way down the left side(0,71) and other at bottom left (0,152)
imgObj = imageNew("",152,152,"rgb","149c82");
imgObj.drawCubicCurve(0,0,0,71,0,152,152,152);
cfimage (action="writeToBrowser", source=imgObj);