Nodejs | GM blur() Function
The blur() function is an inbuilt function in GraphicsMagick library which is used to add blur filter to the image. The function returns the true value on success.
Syntax:
blur( radius, sigma )
Parameters: This function accept two parameters as mentioned above and described below:
- radius: This parameter stores the value of the blur radius.
- sigma: It is an optional parameter which stores the sigma of the object.
Return Value: This function returns blurred Gmagick image.
Original Image:
Example 1:
// Include gm library var gm = require('gm'); // Import the image gm('gfg.png') // Invoke Blur function with blur radius as 12 .blur(10) // Process and Write the image .write("blur1.png", function (err) { if (!err) console.log('done'); }); |
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Output:
Example 2:
// Include gm library var gm = require('gm'); // Import the image gm('1.png') // Invoke shear function with // xDegrees as 45 and yDegrees as 90 .rotate("#545651", 78) // Invoke blur function with radius // as 5 and sigma as 5 .blur(5, 5) // Process and Write the image .write("blur2.png", function (err) { if (!err) console.log('done'); }); |
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Output:
Reference:
