isTransparent
isTransparent(
ctx,x,y,tolerance):boolean
Parameters
• ctx: CanvasRenderingContext2D
context
• x: number
x coordinate in canvasElementCoordinate, not fabric space. integer
• y: number
y coordinate in canvasElementCoordinate, not fabric space. integer
• tolerance: number
Tolerance pixels around the point, not alpha tolerance, integer
Returns
boolean
true if transparent