Node.js GM sepia()用法及代码示例

// Include gm library 
var gm = require('gm'); 
  
// Import the image 
gm('1.png') 
  
// Invoke sepia function 
.sepia() 
  
// Process and Write the image 
.write("sepia1.png", function (err) { 
  if (!err) console.log('done'); 
});

// 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 sepia function 
.sepia() 
  
// Process and Write the image 
.write("sepia2.png", function (err) { 
  if (!err) console.log('done'); 
});