Node.js GM recolor() Function

The recolor() function is an inbuilt function in the GraphicsMagick library which is used to apply a color translation matrix to the image channels. The function returns the true value of success. 

Syntax:

recolor( matrix )

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

• Matrix: This parameter is used to specify the value as a string of a matrix which is decoded as a color transformation matrix.

Return Value: This function returns the GraphicsMagick object. 

Example 1: 

Output:

 👁 Image
 

Example 2: 

Output:

 👁 Image
 

Reference:

• http://www.graphicsmagick.org/GraphicsMagick.html#details-recolor
• https://www.npmjs.com/package/gm