The opacity() function is an inbuilt function in Nodejs | Jimp which multiplies the opacity of each pixel by a factor between 0 and 1.
- f – This parameter stores the value by which image is to make opaque. It has a range of 0 to 1. 1 will turn the image completely transparent.
- cb – This is an optional parameter which is invoked when compilation is complete.
Example 2: With cb (optional parameters)
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