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Nodejs | GM implode() Function
  • Last Updated : 17 Mar, 2020

The implode() function is an inbuilt function in the GraphicsMagick library which is used to implode image pixels about the center. The function returns the true value on success.

Syntax:

implode( factor )

Parameters: This function accepts single parameter as mentioned above and described below:

  • factor: This parameter is used to specify the factor by which the image need to be implode image pixels about the center.

Return Value: This function returns the GraphicsMagick object.

Example 1:






// Include gm library
var gm = require('gm');
  
// Import the image
gm('1.png')
  
// Invoke borderColor() function
// and set border color to green
.borderColor('Green')
  
// Invoke resize function
.border(10, 30)
  
// Invoke implode function
.implode(3)
  
// Process and Write the image
.write("implode1.png", function (err) {
  if (!err) console.log('done');
});

Output:

Example 2:




// Include gm library
var gm = require('gm');
  
// Import the image
gm(600, 300, 'white')
  
// Set the color for the stroke
.stroke("green", 3)
  
// Set the font 
.font("Helvetica.ttf", 60)
  
// Call to drawText Function
.drawText(100, 280, "GeeksforGeeks!")
  
// Invoke borderColor() function
// and set border color to green
.borderColor("Green")
  
// Invoke border function
.border(62, 32)
  
// Invoke implode() function
.implode(2)
  
// Process and write the image 
.write("implode2.png", function (err) {
  if (!err) console.log('done');
});

Output:

Reference:




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