📜  节点吉普 |颜色 蓝色

📅  最后修改于: 2022-05-13 01:56:27.072000             🧑  作者: Mango

节点吉普 |颜色 蓝色

简介: xor修饰符是 Nodejs Jimp 中内置的颜色修饰符,它按给定数量修改给定图像的蓝色分量。

句法:

image.color([
  { apply: 'green', params: value }
]);

范围:

  • value:此参数存储要修改图像蓝色的量。

输入图像:

示例 1:

// npm install --save jimp
// import jimp library to the environment
var Jimp = require('jimp');
  
// User-Defined Function to read the images
async function main() {
    const image = await Jimp.read(
'https://media.geeksforgeeks.org/wp-content/uploads/20190328185307/gfg28.png');
    // color function having blue modifier
    image.color([{apply:'blue', params: [73]}])
    .write('blue1.png');
} 
  
main();
    console.log("Image Processing Completed");

输出:

示例 2:cb(可选参数)

// npm install --save jimp
// import jimp library to the environment
var Jimp = require('jimp');
  
// User-Defined Function to read the images
async function main() {
    const image = await Jimp.read(
'https://media.geeksforgeeks.org/wp-content/uploads/20190328185333/gfg111.png');
      
// color function having blue modifier
    image.color([{apply:'blue', params: ['50']}], function(err){
        if (err) throw err;
    })
    .write('blue2.png');
}
  
main();
    console.log("Image Processing Completed");

输出:

参考: https://www.npmjs.com/package/jimp