Fabric.js toBlackWhite() Method
Last Updated :
19 Mar, 2021
The toBlackWhite() method is used to convert any type of the specified color representation to it’s black and white representation.
Syntax:
toBlackWhite(threshold)
Parameters: This method accepts a parameter as mentioned above and described below:
- threshold: This parameter holds the specified threshold value.
Return Value: This method returns color representation in it’s black and white representation.
Example 1:
Javascript
<!DOCTYPE html>
<html>
<head>
<!-- Adding the FabricJS library -->
<script src=
</script>
</head>
<body>
<script type="text/javascript">
console.log(new fabric.Color("hsl(0, 100%, 50%)").toBlackWhite(0));
console.log(new fabric.Color("hsla(10, 40%, 53%, 0.6)").toBlackWhite(1));
</script>
</body>
</html>
|
Output:
{"_source":[0,0,0,1]}
{"_source":[255,255,255,0.6]}
Example 2:
Javascript
<!DOCTYPE html>
<html>
<head>
<!-- Adding the FabricJS library -->
<script src=
</script>
</head>
<body>
<script type="text/javascript">
var A = "hex(fff00f)";
var B = "hsl(12, 13%, 25%)";
var C = "hsla(10, 40%, 13%, 0.6)";
var D = "rgb(10, 40, 13)";
console.log(new fabric.Color(A).toBlackWhite());
console.log(new fabric.Color(B).toBlackWhite(0));
console.log(new fabric.Color(C).toBlackWhite(1));
console.log(new fabric.Color(D).toBlackWhite(2));
</script>
</body>
</html>
|
Output:
{"_source":[0,0,0,1]}
{"_source":[0,0,0,1]}
{"_source":[255,255,255,0.6]}
{"_source":[255,255,255,1]}
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