Node.js GM trim() Function
The trim() function is an inbuilt function in the GraphicsMagick library which is used to remove edges that are exactly the same color as the corner pixels. The function returns the true value on success.
Syntax:
trim()
Parameters: This function does not accepts any parameters.
Return Value: This function returns the GraphicsMagick object with trimmed image added.
Original Image:
Example 1:
// Include gm libraryvar gm = require('gm'); // Import the imagegm('1.png') // Invoke trim function .trim() // Process and Write the image.write("trim1.png", function (err) { if (!err) console.log('done');}); |
Output:
Example 2:
// Include gm libraryvar gm = require('gm'); // Import the imagegm('1.png') // Set stroke color.stroke("#fe1232") // Set fill color.fill("#1200ff") // Draw Rectangle using drawRectangle function.drawRectangle(10, 2, 130, 30, 1, 2) // Invoke wave function with an amplitude// as 8 and wavelength as 3.wave(20, 30) // Invoke trim function .trim() // Process and Write the image.write("trim2.png", function (err) { if (!err) console.log('done');}); |
Output:
Reference:
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